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    XOSTOR hyperconvergence preview

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    XOSTOR
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    • ronan-aR
      ronan-a Vates šŸŖ XCP-ng Team @geoffbland
      last edited by

      @geoffbland Can you execute this command on the other hosts please?

      ls -l /dev/drbd/by-res/xcp-volume-75c11231-0fb8-4b40-9e2e-a0665bb758c0/0

      Also I don't have all the info in your previous log, can you send me the previous SMlog files? (Using private message if you want. šŸ™‚ )

      G 1 Reply Last reply Reply Quote 0
      • G
        geoffbland @ronan-a
        last edited by

        @ronan-a said in XOSTOR hyperconvergence preview:

        Can you execute this command on the other hosts please?

        As requested

        XCPNG01 - Current linstor master

        [10:59 XCPNG01 ~]# ls -l /dev/drbd/by-res/xcp-volume-75c11231-0fb8-4b40-9e2e-a0665bb758c0/0
lrwxrwxrwx 1 root root 17 May 22 19:24 /dev/drbd/by-res/xcp-volume-75c11231-0fb8-4b40-9e2e-a0665bb758c0/0 -> ../../../drbd1004

        XCPNG02

        [11:00 XCPNG02 ~]# ls -l /dev/drbd/by-res/xcp-volume-75c11231-0fb8-4b40-9e2e-a0665bb758c0/0
lrwxrwxrwx 1 root root 17 May 22 19:25 /dev/drbd/by-res/xcp-volume-75c11231-0fb8-4b40-9e2e-a0665bb758c0/0 -> ../../../drbd1004

        XCPNG03

        [07:31 XCPNG03 ~]# ls -l /dev/drbd/by-res/xcp-volume-75c11231-0fb8-4b40-9e2e-a0665bb758c0/0
lrwxrwxrwx 1 root root 17 May 22 19:24 /dev/drbd/by-res/xcp-volume-75c11231-0fb8-4b40-9e2e-a0665bb758c0/0 -> ../../../drbd1004

        XCPNG04

        [07:35 XCPNG04 ~]# ls -l /dev/drbd/by-res/xcp-volume-75c11231-0fb8-4b40-9e2e-a0665bb758c0/0
lrwxrwxrwx 1 root root 17 May 22 19:24 /dev/drbd/by-res/xcp-volume-75c11231-0fb8-4b40-9e2e-a0665bb758c0/0 -> ../../../drbd1004

        XCPNG05

        [10:49 XCPNG05 ~]# ls -l /dev/drbd/by-res/xcp-volume-75c11231-0fb8-4b40-9e2e-a0665bb758c0/0
lrwxrwxrwx 1 root root 17 May 22 19:24 /dev/drbd/by-res/xcp-volume-75c11231-0fb8-4b40-9e2e-a0665bb758c0/0 -> ../../../drbd1004
        ronan-aR 1 Reply Last reply Reply Quote 0
        • G
          geoffbland
          last edited by

          It seems like xe may be getting mixed up between where a host is running and where the XOSTOR storage is held.
          Apologies if I have misunderstood and done something wrong here - but I think this migration should have worked.
          I created a new VM on one of my hosts XCPNG05 using XOSTOR as the VDI RS. I can see that the linstore volumes are on hosts XCPNG01, XCPNG03 and XCPNG05.
          XCPNG05 is an Intel server, XCPNG01 and XCPNG03 are AMD. The VM is running on XCPNG05.
          Now when I try to migrate the VM's VDI from XOSTOR onto a local VDI on the same host the VM is currently running on I get a warning about incompatible CPUs.

          To replicate the issue:

          Create new VM test05 on XOSTOR.
          VM is created on host XCPNG05.

          >xe vm-list name-label=test05
uuid ( RO)           : d3f8c52d-be3c-3712-0ccc-a526dcc241a5
     name-label ( RW): test05
    power-state ( RO): running

>xe vm-disk-list vm=test05
Disk 0 VBD:
uuid ( RO)             : a337cd1f-04cc-ce46-fbfb-d5d8e290dc03
    vm-name-label ( RO): test05
       userdevice ( RW): 0

Disk 0 VDI:
uuid ( RO)             : f856680c-c00d-44af-ba3f-16d9952ccb2f
       name-label ( RW): test05_vdi
    sr-name-label ( RO): XOSTOR01
     virtual-size ( RO): 34359738368

>xe sr-list name-label=XOSTOR01
uuid ( RO)                : cf896912-cd71-d2b2-488a-xxxxxxxx7c87
          name-label ( RW): XOSTOR01
    name-description ( RW):
                host ( RO): <shared>
                type ( RO): linstor
        content-type ( RO):

          Migrate to local disk (SSD1) on same host (XCPNG05) - this fails migrating to the same host the VM is currently running on due to incompatible CPU.

          >xe sr-list name-label=XCPNG05SSD1
uuid ( RO)                : c0851501-3a1b-c661-70b9-54373e0d9847
          name-label ( RW): XCPNG05SSD1
    name-description ( RW):
                host ( RO): XCPNG05
                type ( RO): lvm
        content-type ( RO): user

>xe vdi-pool-migrate uuid=f856680c-c00d-44af-ba3f-16d9952ccb2f sr-uuid=c0851501-3a1b-c661-70b9-54373e0d9847
The VM is incompatible with the CPU features of this host.
vm: d3f8c52d-be3c-3712-0ccc-a526dcc241a5 (test05)
host: 7bd62a77-71d6-4b51-9a86-850dd4ff4b60 (XCPNG05)
reason: VM last booted on a host which had a CPU from a different vendor.
          1 Reply Last reply Reply Quote 0
          • ronan-aR
            ronan-a Vates šŸŖ XCP-ng Team @geoffbland
            last edited by

            @geoffbland Thank you, so ok the VDI is still here on all hosts.

            You can try to check the status of the VDH like the smapi using:

            /usr/bin/vhd-util query --debug -vsfp -n /dev/drbd/by-res/xcp-volume-75c11231-0fb8-4b40-9e2e-a0665bb758c0/0

            If you have this problem on many hosts, I suspect a problem with DRBD, so maybe there is a useful info in daemon.log and/or kern.log.

            G 1 Reply Last reply Reply Quote 0
            • G
              geoffbland @ronan-a
              last edited by geoffbland

              @ronan-a said in XOSTOR hyperconvergence preview:

              You can try to check the status of the VDH like the smapi using:
              /usr/bin/vhd-util query --debug -vsfp -n /dev/drbd/by-res/xcp-volume-75c11231-0fb8-4b40-9e2e-a0665bb758c0/0
              useful info in daemon.log and/or kern.log.

              This gives the following:

              [10:59 XCPNG01 ~]# /usr/bin/vhd-util query --debug -vsfp -n /dev/drbd/by-res/xcp-volume-75c11231-0fb8-4b40-9e2e-a0665bb758c0/0
40960
2061447680
query failed
hidden: 0

              I will send logs by direct mail.

              ronan-aR 1 Reply Last reply Reply Quote 0
              • ronan-aR
                ronan-a Vates šŸŖ XCP-ng Team @geoffbland
                last edited by

                @geoffbland Okay so it's probably not related to the driver itself, I will take a look to the logs after reception. šŸ™‚

                G 1 Reply Last reply Reply Quote 0
                • G
                  geoffbland
                  last edited by

                  Failure trying to revert a VM to a snapshot with XOSTOR.

                  Created a VM with main VDI on XOSTOR (24GB) and with 6 disks each also on XOSTOR (2GB each).
                  All is running OK.
                  Now create a snapshot of the VM - this takes quite a while but does eventually succeed.
                  Now using XO (from sources) click the "Revert VM to this snapshot". This errors and the VM stops.

                  vm.revert
{
  "snapshot": "6032fc73-eb7f-cf64-2481-4346b7b57204"
}
{
  "code": "VM_REVERT_FAILED",
  "params": [
    "OpaqueRef:1439fd0f-4e66-44c9-99af-1f8536e59378",
    "OpaqueRef:5ad4c51e-473e-4ab0-877d-2d0dbdb90add"
  ],
  "task": {
    "uuid": "4804fefd-0037-d7dd-9a7c-769230728483",
    "name_label": "Async.VM.revert",
    "name_description": "",
    "allowed_operations": [],
    "current_operations": {},
    "created": "20220527T15:01:42Z",
    "finished": "20220527T15:01:46Z",
    "status": "failure",
    "resident_on": "OpaqueRef:a1e9a8f3-0a79-4824-b29f-d81b3246d190",
    "progress": 1,
    "type": "<none/>",
    "result": "",
    "error_info": [
      "VM_REVERT_FAILED",
      "OpaqueRef:1439fd0f-4e66-44c9-99af-1f8536e59378",
      "OpaqueRef:5ad4c51e-473e-4ab0-877d-2d0dbdb90add"
    ],
    "other_config": {},
    "subtask_of": "OpaqueRef:NULL",
    "subtasks": [],
    "backtrace": "(((process xapi)(filename ocaml/xapi/xapi_vm_snapshot.ml)(line 492))((process xapi)(filename lib/xapi-stdext-pervasives/pervasiveext.ml)(line 24))((process xapi)(filename lib/xapi-stdext-pervasives/pervasiveext.ml)(line 35))((process xapi)(filename ocaml/xapi/message_forwarding.ml)(line 131))((process xapi)(filename lib/xapi-stdext-pervasives/pervasiveext.ml)(line 24))((process xapi)(filename lib/xapi-stdext-pervasives/pervasiveext.ml)(line 35))((process xapi)(filename lib/xapi-stdext-pervasives/pervasiveext.ml)(line 24))((process xapi)(filename ocaml/xapi/rbac.ml)(line 231))((process xapi)(filename ocaml/xapi/server_helpers.ml)(line 103)))"
  },
  "message": "VM_REVERT_FAILED(OpaqueRef:1439fd0f-4e66-44c9-99af-1f8536e59378, OpaqueRef:5ad4c51e-473e-4ab0-877d-2d0dbdb90add)",
  "name": "XapiError",
  "stack": "XapiError: VM_REVERT_FAILED(OpaqueRef:1439fd0f-4e66-44c9-99af-1f8536e59378, OpaqueRef:5ad4c51e-473e-4ab0-877d-2d0dbdb90add)
    at Function.wrap (/opt/xo/xo-builds/xen-orchestra-202204291839/packages/xen-api/src/_XapiError.js:16:12)
    at _default (/opt/xo/xo-builds/xen-orchestra-202204291839/packages/xen-api/src/_getTaskResult.js:11:29)
    at Xapi._addRecordToCache (/opt/xo/xo-builds/xen-orchestra-202204291839/packages/xen-api/src/index.js:949:24)
    at forEach (/opt/xo/xo-builds/xen-orchestra-202204291839/packages/xen-api/src/index.js:983:14)
    at Array.forEach (<anonymous>)
    at Xapi._processEvents (/opt/xo/xo-builds/xen-orchestra-202204291839/packages/xen-api/src/index.js:973:12)
    at Xapi._watchEvents (/opt/xo/xo-builds/xen-orchestra-202204291839/packages/xen-api/src/index.js:1139:14)"
}

                  Now viewing the VM with XO on the disks tab shows no attached disks - disk tab is blank.

                  XOSTOR01 Storage No Disks.png

                  But linstor appears to still have the disks and the snapshot disks too.

                  ā”Š XCPNG01 ā”Š xcp-volume-142cb89f-2850-4ac8-a47c-10bb2cfc4692 ā”Š xcp-sr-linstor_group ā”Š     0 ā”Š    1010 ā”Š /dev/drbd1010 ā”Š  2.02 GiB ā”Š Unused ā”Š UpToDate ā”Š
ā”Š XCPNG02 ā”Š xcp-volume-142cb89f-2850-4ac8-a47c-10bb2cfc4692 ā”Š xcp-sr-linstor_group ā”Š     0 ā”Š    1010 ā”Š /dev/drbd1010 ā”Š  2.02 GiB ā”Š Unused ā”Š UpToDate ā”Š
ā”Š XCPNG03 ā”Š xcp-volume-142cb89f-2850-4ac8-a47c-10bb2cfc4692 ā”Š DfltDisklessStorPool ā”Š     0 ā”Š    1010 ā”Š /dev/drbd1010 ā”Š           ā”Š Unused ā”Š Diskless ā”Š
ā”Š XCPNG04 ā”Š xcp-volume-142cb89f-2850-4ac8-a47c-10bb2cfc4692 ā”Š xcp-sr-linstor_group ā”Š     0 ā”Š    1010 ā”Š /dev/drbd1010 ā”Š  2.02 GiB ā”Š Unused ā”Š UpToDate ā”Š
ā”Š XCPNG01 ā”Š xcp-volume-18fa145a-d36b-44bd-b1b5-af1e9424ea00 ā”Š xcp-sr-linstor_group ā”Š     0 ā”Š    1018 ā”Š /dev/drbd1018 ā”Š  2.02 GiB ā”Š Unused ā”Š UpToDate ā”Š
ā”Š XCPNG02 ā”Š xcp-volume-18fa145a-d36b-44bd-b1b5-af1e9424ea00 ā”Š xcp-sr-linstor_group ā”Š     0 ā”Š    1018 ā”Š /dev/drbd1018 ā”Š  2.02 GiB ā”Š Unused ā”Š UpToDate ā”Š
ā”Š XCPNG03 ā”Š xcp-volume-18fa145a-d36b-44bd-b1b5-af1e9424ea00 ā”Š DfltDisklessStorPool ā”Š     0 ā”Š    1018 ā”Š /dev/drbd1018 ā”Š           ā”Š InUse  ā”Š Diskless ā”Š
ā”Š XCPNG04 ā”Š xcp-volume-18fa145a-d36b-44bd-b1b5-af1e9424ea00 ā”Š DfltDisklessStorPool ā”Š     0 ā”Š    1018 ā”Š /dev/drbd1018 ā”Š           ā”Š Unused ā”Š Diskless ā”Š
ā”Š XCPNG05 ā”Š xcp-volume-18fa145a-d36b-44bd-b1b5-af1e9424ea00 ā”Š xcp-sr-linstor_group ā”Š     0 ā”Š    1018 ā”Š /dev/drbd1018 ā”Š  2.02 GiB ā”Š Unused ā”Š UpToDate ā”Š
ā”Š XCPNG01 ā”Š xcp-volume-1a6c7272-f718-4c4d-a8b0-ca8419eab314 ā”Š DfltDisklessStorPool ā”Š     0 ā”Š    1024 ā”Š /dev/drbd1024 ā”Š           ā”Š Unused ā”Š Diskless ā”Š
ā”Š XCPNG02 ā”Š xcp-volume-1a6c7272-f718-4c4d-a8b0-ca8419eab314 ā”Š xcp-sr-linstor_group ā”Š     0 ā”Š    1024 ā”Š /dev/drbd1024 ā”Š  2.02 GiB ā”Š Unused ā”Š UpToDate ā”Š
ā”Š XCPNG03 ā”Š xcp-volume-1a6c7272-f718-4c4d-a8b0-ca8419eab314 ā”Š xcp-sr-linstor_group ā”Š     0 ā”Š    1024 ā”Š /dev/drbd1024 ā”Š  2.02 GiB ā”Š Unused ā”Š UpToDate ā”Š
ā”Š XCPNG04 ā”Š xcp-volume-1a6c7272-f718-4c4d-a8b0-ca8419eab314 ā”Š xcp-sr-linstor_group ā”Š     0 ā”Š    1024 ā”Š /dev/drbd1024 ā”Š  2.02 GiB ā”Š Unused ā”Š UpToDate ā”Š
ā”Š XCPNG05 ā”Š xcp-volume-1a6c7272-f718-4c4d-a8b0-ca8419eab314 ā”Š DfltDisklessStorPool ā”Š     0 ā”Š    1024 ā”Š /dev/drbd1024 ā”Š           ā”Š Unused ā”Š Diskless ā”Š
ā”Š XCPNG01 ā”Š xcp-volume-2cab6c2d-abf6-42c7-9094-d75351ed8ebb ā”Š xcp-sr-linstor_group ā”Š     0 ā”Š    1016 ā”Š /dev/drbd1016 ā”Š  2.02 GiB ā”Š Unused ā”Š UpToDate ā”Š
ā”Š XCPNG02 ā”Š xcp-volume-2cab6c2d-abf6-42c7-9094-d75351ed8ebb ā”Š xcp-sr-linstor_group ā”Š     0 ā”Š    1016 ā”Š /dev/drbd1016 ā”Š  2.02 GiB ā”Š Unused ā”Š UpToDate ā”Š
ā”Š XCPNG03 ā”Š xcp-volume-2cab6c2d-abf6-42c7-9094-d75351ed8ebb ā”Š xcp-sr-linstor_group ā”Š     0 ā”Š    1016 ā”Š /dev/drbd1016 ā”Š  2.02 GiB ā”Š Unused ā”Š UpToDate ā”Š
ā”Š XCPNG04 ā”Š xcp-volume-2cab6c2d-abf6-42c7-9094-d75351ed8ebb ā”Š DfltDisklessStorPool ā”Š     0 ā”Š    1016 ā”Š /dev/drbd1016 ā”Š           ā”Š Unused ā”Š Diskless ā”Š
ā”Š XCPNG05 ā”Š xcp-volume-2cab6c2d-abf6-42c7-9094-d75351ed8ebb ā”Š DfltDisklessStorPool ā”Š     0 ā”Š    1016 ā”Š /dev/drbd1016 ā”Š           ā”Š Unused ā”Š Diskless ā”Š
ā”Š XCPNG01 ā”Š xcp-volume-30bf014b-025d-4f3f-a068-f9a9bf34fab2 ā”Š xcp-sr-linstor_group ā”Š     0 ā”Š    1013 ā”Š /dev/drbd1013 ā”Š  2.02 GiB ā”Š Unused ā”Š UpToDate ā”Š
ā”Š XCPNG02 ā”Š xcp-volume-30bf014b-025d-4f3f-a068-f9a9bf34fab2 ā”Š xcp-sr-linstor_group ā”Š     0 ā”Š    1013 ā”Š /dev/drbd1013 ā”Š  2.02 GiB ā”Š Unused ā”Š UpToDate ā”Š
ā”Š XCPNG03 ā”Š xcp-volume-30bf014b-025d-4f3f-a068-f9a9bf34fab2 ā”Š xcp-sr-linstor_group ā”Š     0 ā”Š    1013 ā”Š /dev/drbd1013 ā”Š  2.02 GiB ā”Š Unused ā”Š UpToDate ā”Š
ā”Š XCPNG01 ā”Š xcp-volume-3bdb2b25-706c-4309-ab8f-df3190f57c43 ā”Š DfltDisklessStorPool ā”Š     0 ā”Š    1021 ā”Š /dev/drbd1021 ā”Š           ā”Š Unused ā”Š Diskless ā”Š
ā”Š XCPNG02 ā”Š xcp-volume-3bdb2b25-706c-4309-ab8f-df3190f57c43 ā”Š xcp-sr-linstor_group ā”Š     0 ā”Š    1021 ā”Š /dev/drbd1021 ā”Š  2.02 GiB ā”Š Unused ā”Š UpToDate ā”Š
ā”Š XCPNG03 ā”Š xcp-volume-3bdb2b25-706c-4309-ab8f-df3190f57c43 ā”Š xcp-sr-linstor_group ā”Š     0 ā”Š    1021 ā”Š /dev/drbd1021 ā”Š  2.02 GiB ā”Š Unused ā”Š UpToDate ā”Š
ā”Š XCPNG04 ā”Š xcp-volume-3bdb2b25-706c-4309-ab8f-df3190f57c43 ā”Š DfltDisklessStorPool ā”Š     0 ā”Š    1021 ā”Š /dev/drbd1021 ā”Š           ā”Š Unused ā”Š Diskless ā”Š
ā”Š XCPNG05 ā”Š xcp-volume-3bdb2b25-706c-4309-ab8f-df3190f57c43 ā”Š xcp-sr-linstor_group ā”Š     0 ā”Š    1021 ā”Š /dev/drbd1021 ā”Š  2.02 GiB ā”Š Unused ā”Š UpToDate ā”Š
ā”Š XCPNG01 ā”Š xcp-volume-450f65f7-7fcc-4ffd-893e-761a2f6ac366 ā”Š xcp-sr-linstor_group ā”Š     0 ā”Š    1020 ā”Š /dev/drbd1020 ā”Š  2.02 GiB ā”Š Unused ā”Š UpToDate ā”Š
ā”Š XCPNG02 ā”Š xcp-volume-450f65f7-7fcc-4ffd-893e-761a2f6ac366 ā”Š DfltDisklessStorPool ā”Š     0 ā”Š    1020 ā”Š /dev/drbd1020 ā”Š           ā”Š Unused ā”Š Diskless ā”Š
ā”Š XCPNG03 ā”Š xcp-volume-450f65f7-7fcc-4ffd-893e-761a2f6ac366 ā”Š DfltDisklessStorPool ā”Š     0 ā”Š    1020 ā”Š /dev/drbd1020 ā”Š           ā”Š Unused ā”Š Diskless ā”Š
ā”Š XCPNG04 ā”Š xcp-volume-450f65f7-7fcc-4ffd-893e-761a2f6ac366 ā”Š xcp-sr-linstor_group ā”Š     0 ā”Š    1020 ā”Š /dev/drbd1020 ā”Š  2.02 GiB ā”Š Unused ā”Š UpToDate ā”Š
ā”Š XCPNG05 ā”Š xcp-volume-450f65f7-7fcc-4ffd-893e-761a2f6ac366 ā”Š xcp-sr-linstor_group ā”Š     0 ā”Š    1020 ā”Š /dev/drbd1020 ā”Š  2.02 GiB ā”Š Unused ā”Š UpToDate ā”Š
ā”Š XCPNG01 ā”Š xcp-volume-466938db-11f1-4b59-8a90-ad08fa20e085 ā”Š xcp-sr-linstor_group ā”Š     0 ā”Š    1015 ā”Š /dev/drbd1015 ā”Š  2.02 GiB ā”Š Unused ā”Š UpToDate ā”Š
ā”Š XCPNG02 ā”Š xcp-volume-466938db-11f1-4b59-8a90-ad08fa20e085 ā”Š xcp-sr-linstor_group ā”Š     0 ā”Š    1015 ā”Š /dev/drbd1015 ā”Š  2.02 GiB ā”Š Unused ā”Š UpToDate ā”Š
ā”Š XCPNG03 ā”Š xcp-volume-466938db-11f1-4b59-8a90-ad08fa20e085 ā”Š DfltDisklessStorPool ā”Š     0 ā”Š    1015 ā”Š /dev/drbd1015 ā”Š           ā”Š Unused ā”Š Diskless ā”Š
ā”Š XCPNG04 ā”Š xcp-volume-466938db-11f1-4b59-8a90-ad08fa20e085 ā”Š xcp-sr-linstor_group ā”Š     0 ā”Š    1015 ā”Š /dev/drbd1015 ā”Š  2.02 GiB ā”Š Unused ā”Š UpToDate ā”Š
ā”Š XCPNG05 ā”Š xcp-volume-466938db-11f1-4b59-8a90-ad08fa20e085 ā”Š DfltDisklessStorPool ā”Š     0 ā”Š    1015 ā”Š /dev/drbd1015 ā”Š           ā”Š Unused ā”Š Diskless ā”Š
ā”Š XCPNG01 ā”Š xcp-volume-470dcf6f-d916-403d-8258-e012c065b8ec ā”Š xcp-sr-linstor_group ā”Š     0 ā”Š    1009 ā”Š /dev/drbd1009 ā”Š  2.02 GiB ā”Š Unused ā”Š UpToDate ā”Š
ā”Š XCPNG02 ā”Š xcp-volume-470dcf6f-d916-403d-8258-e012c065b8ec ā”Š xcp-sr-linstor_group ā”Š     0 ā”Š    1009 ā”Š /dev/drbd1009 ā”Š  2.02 GiB ā”Š Unused ā”Š UpToDate ā”Š
ā”Š XCPNG03 ā”Š xcp-volume-470dcf6f-d916-403d-8258-e012c065b8ec ā”Š DfltDisklessStorPool ā”Š     0 ā”Š    1009 ā”Š /dev/drbd1009 ā”Š           ā”Š Unused ā”Š Diskless ā”Š
ā”Š XCPNG04 ā”Š xcp-volume-470dcf6f-d916-403d-8258-e012c065b8ec ā”Š xcp-sr-linstor_group ā”Š     0 ā”Š    1009 ā”Š /dev/drbd1009 ā”Š  2.02 GiB ā”Š Unused ā”Š UpToDate ā”Š
ā”Š XCPNG01 ā”Š xcp-volume-551db5b5-7772-407a-9e8c-e549db3a0e5f ā”Š xcp-sr-linstor_group ā”Š     0 ā”Š    1008 ā”Š /dev/drbd1008 ā”Š  2.02 GiB ā”Š Unused ā”Š UpToDate ā”Š
ā”Š XCPNG02 ā”Š xcp-volume-551db5b5-7772-407a-9e8c-e549db3a0e5f ā”Š xcp-sr-linstor_group ā”Š     0 ā”Š    1008 ā”Š /dev/drbd1008 ā”Š  2.02 GiB ā”Š Unused ā”Š UpToDate ā”Š
ā”Š XCPNG03 ā”Š xcp-volume-551db5b5-7772-407a-9e8c-e549db3a0e5f ā”Š DfltDisklessStorPool ā”Š     0 ā”Š    1008 ā”Š /dev/drbd1008 ā”Š           ā”Š Unused ā”Š Diskless ā”Š
ā”Š XCPNG04 ā”Š xcp-volume-551db5b5-7772-407a-9e8c-e549db3a0e5f ā”Š xcp-sr-linstor_group ā”Š     0 ā”Š    1008 ā”Š /dev/drbd1008 ā”Š  2.02 GiB ā”Š Unused ā”Š UpToDate ā”Š
ā”Š XCPNG01 ā”Š xcp-volume-699871db-2319-4ddd-9a44-0514d2e7aee3 ā”Š xcp-sr-linstor_group ā”Š     0 ā”Š    1025 ā”Š /dev/drbd1025 ā”Š  2.02 GiB ā”Š Unused ā”Š UpToDate ā”Š
ā”Š XCPNG02 ā”Š xcp-volume-699871db-2319-4ddd-9a44-0514d2e7aee3 ā”Š DfltDisklessStorPool ā”Š     0 ā”Š    1025 ā”Š /dev/drbd1025 ā”Š           ā”Š Unused ā”Š Diskless ā”Š
ā”Š XCPNG03 ā”Š xcp-volume-699871db-2319-4ddd-9a44-0514d2e7aee3 ā”Š DfltDisklessStorPool ā”Š     0 ā”Š    1025 ā”Š /dev/drbd1025 ā”Š           ā”Š Unused ā”Š Diskless ā”Š
ā”Š XCPNG04 ā”Š xcp-volume-699871db-2319-4ddd-9a44-0514d2e7aee3 ā”Š xcp-sr-linstor_group ā”Š     0 ā”Š    1025 ā”Š /dev/drbd1025 ā”Š  2.02 GiB ā”Š Unused ā”Š UpToDate ā”Š
ā”Š XCPNG05 ā”Š xcp-volume-699871db-2319-4ddd-9a44-0514d2e7aee3 ā”Š xcp-sr-linstor_group ā”Š     0 ā”Š    1025 ā”Š /dev/drbd1025 ā”Š  2.02 GiB ā”Š Unused ā”Š UpToDate ā”Š
ā”Š XCPNG01 ā”Š xcp-volume-6c96822b-7ded-41dd-b4ff-690dc4795ee7 ā”Š xcp-sr-linstor_group ā”Š     0 ā”Š    1023 ā”Š /dev/drbd1023 ā”Š  2.02 GiB ā”Š Unused ā”Š UpToDate ā”Š
ā”Š XCPNG02 ā”Š xcp-volume-6c96822b-7ded-41dd-b4ff-690dc4795ee7 ā”Š DfltDisklessStorPool ā”Š     0 ā”Š    1023 ā”Š /dev/drbd1023 ā”Š           ā”Š Unused ā”Š Diskless ā”Š
ā”Š XCPNG03 ā”Š xcp-volume-6c96822b-7ded-41dd-b4ff-690dc4795ee7 ā”Š xcp-sr-linstor_group ā”Š     0 ā”Š    1023 ā”Š /dev/drbd1023 ā”Š  2.02 GiB ā”Š Unused ā”Š UpToDate ā”Š
ā”Š XCPNG04 ā”Š xcp-volume-6c96822b-7ded-41dd-b4ff-690dc4795ee7 ā”Š DfltDisklessStorPool ā”Š     0 ā”Š    1023 ā”Š /dev/drbd1023 ā”Š           ā”Š Unused ā”Š Diskless ā”Š
ā”Š XCPNG05 ā”Š xcp-volume-6c96822b-7ded-41dd-b4ff-690dc4795ee7 ā”Š xcp-sr-linstor_group ā”Š     0 ā”Š    1023 ā”Š /dev/drbd1023 ā”Š  2.02 GiB ā”Š Unused ā”Š UpToDate ā”Š
ā”Š XCPNG01 ā”Š xcp-volume-70004559-a2c4-480f-b7bc-b26dcb95bfba ā”Š xcp-sr-linstor_group ā”Š     0 ā”Š    1027 ā”Š /dev/drbd1027 ā”Š 24.06 GiB ā”Š Unused ā”Š UpToDate ā”Š
ā”Š XCPNG02 ā”Š xcp-volume-70004559-a2c4-480f-b7bc-b26dcb95bfba ā”Š xcp-sr-linstor_group ā”Š     0 ā”Š    1027 ā”Š /dev/drbd1027 ā”Š 24.06 GiB ā”Š Unused ā”Š UpToDate ā”Š
ā”Š XCPNG03 ā”Š xcp-volume-70004559-a2c4-480f-b7bc-b26dcb95bfba ā”Š DfltDisklessStorPool ā”Š     0 ā”Š    1027 ā”Š /dev/drbd1027 ā”Š           ā”Š Unused ā”Š Diskless ā”Š
ā”Š XCPNG04 ā”Š xcp-volume-70004559-a2c4-480f-b7bc-b26dcb95bfba ā”Š xcp-sr-linstor_group ā”Š     0 ā”Š    1027 ā”Š /dev/drbd1027 ā”Š 24.06 GiB ā”Š Unused ā”Š UpToDate ā”Š
ā”Š XCPNG05 ā”Š xcp-volume-70004559-a2c4-480f-b7bc-b26dcb95bfba ā”Š DfltDisklessStorPool ā”Š     0 ā”Š    1027 ā”Š /dev/drbd1027 ā”Š           ā”Š Unused ā”Š Diskless ā”Š
ā”Š XCPNG01 ā”Š xcp-volume-707a0158-ad31-4b4b-af2b-20d89e5717de ā”Š DfltDisklessStorPool ā”Š     0 ā”Š    1026 ā”Š /dev/drbd1026 ā”Š           ā”Š Unused ā”Š Diskless ā”Š
ā”Š XCPNG02 ā”Š xcp-volume-707a0158-ad31-4b4b-af2b-20d89e5717de ā”Š xcp-sr-linstor_group ā”Š     0 ā”Š    1026 ā”Š /dev/drbd1026 ā”Š 24.06 GiB ā”Š Unused ā”Š UpToDate ā”Š
ā”Š XCPNG03 ā”Š xcp-volume-707a0158-ad31-4b4b-af2b-20d89e5717de ā”Š xcp-sr-linstor_group ā”Š     0 ā”Š    1026 ā”Š /dev/drbd1026 ā”Š 24.06 GiB ā”Š Unused ā”Š UpToDate ā”Š
ā”Š XCPNG04 ā”Š xcp-volume-707a0158-ad31-4b4b-af2b-20d89e5717de ā”Š DfltDisklessStorPool ā”Š     0 ā”Š    1026 ā”Š /dev/drbd1026 ā”Š           ā”Š Unused ā”Š Diskless ā”Š
ā”Š XCPNG05 ā”Š xcp-volume-707a0158-ad31-4b4b-af2b-20d89e5717de ā”Š xcp-sr-linstor_group ā”Š     0 ā”Š    1026 ā”Š /dev/drbd1026 ā”Š 24.06 GiB ā”Š Unused ā”Š UpToDate ā”Š
ā”Š XCPNG02 ā”Š xcp-volume-7aaa7a6e-98c4-4a57-a4f1-4fea0a36b17a ā”Š xcp-sr-linstor_group ā”Š     0 ā”Š    1011 ā”Š /dev/drbd1011 ā”Š  2.02 GiB ā”Š Unused ā”Š UpToDate ā”Š
ā”Š XCPNG03 ā”Š xcp-volume-7aaa7a6e-98c4-4a57-a4f1-4fea0a36b17a ā”Š xcp-sr-linstor_group ā”Š     0 ā”Š    1011 ā”Š /dev/drbd1011 ā”Š  2.02 GiB ā”Š Unused ā”Š UpToDate ā”Š
ā”Š XCPNG04 ā”Š xcp-volume-7aaa7a6e-98c4-4a57-a4f1-4fea0a36b17a ā”Š xcp-sr-linstor_group ā”Š     0 ā”Š    1011 ā”Š /dev/drbd1011 ā”Š  2.02 GiB ā”Š Unused ā”Š UpToDate ā”Š
ā”Š XCPNG01 ā”Š xcp-volume-9320c158-489e-49e7-92b8-85c93c9e3eeb ā”Š xcp-sr-linstor_group ā”Š     0 ā”Š    1022 ā”Š /dev/drbd1022 ā”Š  2.02 GiB ā”Š Unused ā”Š UpToDate ā”Š
ā”Š XCPNG02 ā”Š xcp-volume-9320c158-489e-49e7-92b8-85c93c9e3eeb ā”Š xcp-sr-linstor_group ā”Š     0 ā”Š    1022 ā”Š /dev/drbd1022 ā”Š  2.02 GiB ā”Š Unused ā”Š UpToDate ā”Š
ā”Š XCPNG03 ā”Š xcp-volume-9320c158-489e-49e7-92b8-85c93c9e3eeb ā”Š DfltDisklessStorPool ā”Š     0 ā”Š    1022 ā”Š /dev/drbd1022 ā”Š           ā”Š Unused ā”Š Diskless ā”Š
ā”Š XCPNG04 ā”Š xcp-volume-9320c158-489e-49e7-92b8-85c93c9e3eeb ā”Š xcp-sr-linstor_group ā”Š     0 ā”Š    1022 ā”Š /dev/drbd1022 ā”Š  2.02 GiB ā”Š Unused ā”Š UpToDate ā”Š
ā”Š XCPNG05 ā”Š xcp-volume-9320c158-489e-49e7-92b8-85c93c9e3eeb ā”Š DfltDisklessStorPool ā”Š     0 ā”Š    1022 ā”Š /dev/drbd1022 ā”Š           ā”Š Unused ā”Š Diskless ā”Š
ā”Š XCPNG02 ā”Š xcp-volume-b341848b-01d1-4019-a62f-85c6108a53e3 ā”Š xcp-sr-linstor_group ā”Š     0 ā”Š    1006 ā”Š /dev/drbd1006 ā”Š 24.06 GiB ā”Š Unused ā”Š UpToDate ā”Š
ā”Š XCPNG03 ā”Š xcp-volume-b341848b-01d1-4019-a62f-85c6108a53e3 ā”Š xcp-sr-linstor_group ā”Š     0 ā”Š    1006 ā”Š /dev/drbd1006 ā”Š 24.06 GiB ā”Š Unused ā”Š UpToDate ā”Š
ā”Š XCPNG05 ā”Š xcp-volume-b341848b-01d1-4019-a62f-85c6108a53e3 ā”Š xcp-sr-linstor_group ā”Š     0 ā”Š    1006 ā”Š /dev/drbd1006 ā”Š 24.06 GiB ā”Š Unused ā”Š UpToDate ā”Š
ā”Š XCPNG01 ā”Š xcp-volume-bccefe12-9ff5-4317-b05c-515cb44a5710 ā”Š DfltDisklessStorPool ā”Š     0 ā”Š    1014 ā”Š /dev/drbd1014 ā”Š           ā”Š Unused ā”Š Diskless ā”Š
ā”Š XCPNG02 ā”Š xcp-volume-bccefe12-9ff5-4317-b05c-515cb44a5710 ā”Š xcp-sr-linstor_group ā”Š     0 ā”Š    1014 ā”Š /dev/drbd1014 ā”Š  2.02 GiB ā”Š Unused ā”Š UpToDate ā”Š
ā”Š XCPNG03 ā”Š xcp-volume-bccefe12-9ff5-4317-b05c-515cb44a5710 ā”Š xcp-sr-linstor_group ā”Š     0 ā”Š    1014 ā”Š /dev/drbd1014 ā”Š  2.02 GiB ā”Š Unused ā”Š UpToDate ā”Š
ā”Š XCPNG04 ā”Š xcp-volume-bccefe12-9ff5-4317-b05c-515cb44a5710 ā”Š xcp-sr-linstor_group ā”Š     0 ā”Š    1014 ā”Š /dev/drbd1014 ā”Š  2.02 GiB ā”Š Unused ā”Š UpToDate ā”Š
ā”Š XCPNG05 ā”Š xcp-volume-bccefe12-9ff5-4317-b05c-515cb44a5710 ā”Š DfltDisklessStorPool ā”Š     0 ā”Š    1014 ā”Š /dev/drbd1014 ā”Š           ā”Š Unused ā”Š Diskless ā”Š
ā”Š XCPNG01 ā”Š xcp-volume-cdc051ae-bc39-4012-9ce0-6e4f855a5063 ā”Š xcp-sr-linstor_group ā”Š     0 ā”Š    1012 ā”Š /dev/drbd1012 ā”Š  2.02 GiB ā”Š Unused ā”Š UpToDate ā”Š
ā”Š XCPNG02 ā”Š xcp-volume-cdc051ae-bc39-4012-9ce0-6e4f855a5063 ā”Š xcp-sr-linstor_group ā”Š     0 ā”Š    1012 ā”Š /dev/drbd1012 ā”Š  2.02 GiB ā”Š Unused ā”Š UpToDate ā”Š
ā”Š XCPNG03 ā”Š xcp-volume-cdc051ae-bc39-4012-9ce0-6e4f855a5063 ā”Š DfltDisklessStorPool ā”Š     0 ā”Š    1012 ā”Š /dev/drbd1012 ā”Š           ā”Š Unused ā”Š Diskless ā”Š
ā”Š XCPNG04 ā”Š xcp-volume-cdc051ae-bc39-4012-9ce0-6e4f855a5063 ā”Š xcp-sr-linstor_group ā”Š     0 ā”Š    1012 ā”Š /dev/drbd1012 ā”Š  2.02 GiB ā”Š Unused ā”Š UpToDate ā”Š
ā”Š XCPNG01 ā”Š xcp-volume-d5a744ec-d1a1-4116-a576-38608b9dd790 ā”Š DfltDisklessStorPool ā”Š     0 ā”Š    1019 ā”Š /dev/drbd1019 ā”Š           ā”Š Unused ā”Š Diskless ā”Š
ā”Š XCPNG02 ā”Š xcp-volume-d5a744ec-d1a1-4116-a576-38608b9dd790 ā”Š xcp-sr-linstor_group ā”Š     0 ā”Š    1019 ā”Š /dev/drbd1019 ā”Š  2.02 GiB ā”Š Unused ā”Š UpToDate ā”Š
ā”Š XCPNG03 ā”Š xcp-volume-d5a744ec-d1a1-4116-a576-38608b9dd790 ā”Š xcp-sr-linstor_group ā”Š     0 ā”Š    1019 ā”Š /dev/drbd1019 ā”Š  2.02 GiB ā”Š Unused ā”Š UpToDate ā”Š
ā”Š XCPNG04 ā”Š xcp-volume-d5a744ec-d1a1-4116-a576-38608b9dd790 ā”Š xcp-sr-linstor_group ā”Š     0 ā”Š    1019 ā”Š /dev/drbd1019 ā”Š  2.02 GiB ā”Š Unused ā”Š UpToDate ā”Š
ā”Š XCPNG05 ā”Š xcp-volume-d5a744ec-d1a1-4116-a576-38608b9dd790 ā”Š DfltDisklessStorPool ā”Š     0 ā”Š    1019 ā”Š /dev/drbd1019 ā”Š           ā”Š Unused ā”Š Diskless ā”Š
ā”Š XCPNG01 ā”Š xcp-volume-f9cf9143-829d-4246-9051-9102f2c4709c ā”Š DfltDisklessStorPool ā”Š     0 ā”Š    1017 ā”Š /dev/drbd1017 ā”Š           ā”Š Unused ā”Š Diskless ā”Š
ā”Š XCPNG02 ā”Š xcp-volume-f9cf9143-829d-4246-9051-9102f2c4709c ā”Š xcp-sr-linstor_group ā”Š     0 ā”Š    1017 ā”Š /dev/drbd1017 ā”Š  2.02 GiB ā”Š Unused ā”Š UpToDate ā”Š
ā”Š XCPNG03 ā”Š xcp-volume-f9cf9143-829d-4246-9051-9102f2c4709c ā”Š xcp-sr-linstor_group ā”Š     0 ā”Š    1017 ā”Š /dev/drbd1017 ā”Š  2.02 GiB ā”Š Unused ā”Š UpToDate ā”Š
ā”Š XCPNG04 ā”Š xcp-volume-f9cf9143-829d-4246-9051-9102f2c4709c ā”Š xcp-sr-linstor_group ā”Š     0 ā”Š    1017 ā”Š /dev/drbd1017 ā”Š  2.02 GiB ā”Š Unused ā”Š UpToDate ā”Š
ā”Š XCPNG05 ā”Š xcp-volume-f9cf9143-829d-4246-9051-9102f2c4709c ā”Š DfltDisklessStorPool ā”Š     0 ā”Š    1017 ā”Š /dev/drbd1017 ā”Š           ā”Š Unused ā”Š Diskless ā”Š

                  From the VM disks tab if I try to Attach the disks, two of the disks created on XOSTOR are missing (data1 and data4).

                  XOSTOR01 Storage Disks Missing.png

                  Finally if I go to storage and bring up the XOSTOR storage and then press "Rescan all disks" I get this error:

                  sr.scan
{
  "id": "cf896912-cd71-d2b2-488a-5792b7147c87"
}
{
  "code": "SR_BACKEND_FAILURE_46",
  "params": [
    "",
    "The VDI is not available [opterr=Could not load 735fc2d7-f1f0-4cc6-9d35-42a049d8ec6c because: ['XENAPI_PLUGIN_FAILURE', 'getVHDInfo', 'CommandException', 'No such file or directory']]",
    ""
  ],
  "task": {
    "uuid": "4dcac885-dfaa-784a-eb2d-02335efde0fb",
    "name_label": "Async.SR.scan",
    "name_description": "",
    "allowed_operations": [],
    "current_operations": {},
    "created": "20220527T16:27:36Z",
    "finished": "20220527T16:27:50Z",
    "status": "failure",
    "resident_on": "OpaqueRef:a1e9a8f3-0a79-4824-b29f-d81b3246d190",
    "progress": 1,
    "type": "<none/>",
    "result": "",
    "error_info": [
      "SR_BACKEND_FAILURE_46",
      "",
      "The VDI is not available [opterr=Could not load 735fc2d7-f1f0-4cc6-9d35-42a049d8ec6c because: ['XENAPI_PLUGIN_FAILURE', 'getVHDInfo', 'CommandException', 'No such file or directory']]",
      ""
    ],
    "other_config": {},
    "subtask_of": "OpaqueRef:NULL",
    "subtasks": [],
    "backtrace": "(((process xapi)(filename lib/backtrace.ml)(line 210))((process xapi)(filename ocaml/xapi/storage_access.ml)(line 32))((process xapi)(filename lib/xapi-stdext-pervasives/pervasiveext.ml)(line 24))((process xapi)(filename lib/xapi-stdext-pervasives/pervasiveext.ml)(line 35))((process xapi)(filename ocaml/xapi/message_forwarding.ml)(line 128))((process xapi)(filename lib/xapi-stdext-pervasives/pervasiveext.ml)(line 24))((process xapi)(filename ocaml/xapi/rbac.ml)(line 231))((process xapi)(filename ocaml/xapi/server_helpers.ml)(line 103)))"
  },
  "message": "SR_BACKEND_FAILURE_46(, The VDI is not available [opterr=Could not load 735fc2d7-f1f0-4cc6-9d35-42a049d8ec6c because: ['XENAPI_PLUGIN_FAILURE', 'getVHDInfo', 'CommandException', 'No such file or directory']], )",
  "name": "XapiError",
  "stack": "XapiError: SR_BACKEND_FAILURE_46(, The VDI is not available [opterr=Could not load 735fc2d7-f1f0-4cc6-9d35-42a049d8ec6c because: ['XENAPI_PLUGIN_FAILURE', 'getVHDInfo', 'CommandException', 'No such file or directory']], )
    at Function.wrap (/opt/xo/xo-builds/xen-orchestra-202204291839/packages/xen-api/src/_XapiError.js:16:12)
    at _default (/opt/xo/xo-builds/xen-orchestra-202204291839/packages/xen-api/src/_getTaskResult.js:11:29)
    at Xapi._addRecordToCache (/opt/xo/xo-builds/xen-orchestra-202204291839/packages/xen-api/src/index.js:949:24)
    at forEach (/opt/xo/xo-builds/xen-orchestra-202204291839/packages/xen-api/src/index.js:983:14)
    at Array.forEach (<anonymous>)
    at Xapi._processEvents (/opt/xo/xo-builds/xen-orchestra-202204291839/packages/xen-api/src/index.js:973:12)
    at Xapi._watchEvents (/opt/xo/xo-builds/xen-orchestra-202204291839/packages/xen-api/src/index.js:1139:14)"
}
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                  • G
                    geoffbland @ronan-a
                    last edited by

                    @ronan-a said in XOSTOR hyperconvergence preview:

                    Okay so it's probably not related to the driver itself, I will take a look to the logs after reception. šŸ™‚

                    Did you get chance to look at the logs I sent?

                    ronan-aR 1 Reply Last reply Reply Quote 0
                    • ronan-aR
                      ronan-a Vates šŸŖ XCP-ng Team @geoffbland
                      last edited by ronan-a

                      @geoffbland So, I didn't notice useful info outside of:

                      FIXME drbd_a_xcp-volu[24302] op clear, bitmap locked for 'set_n_write sync_handshake' by drbd_r_xcp-volu[24231]
...
FIXME drbd_a_xcp-volu[24328] op clear, bitmap locked for 'demote' by drbd_w_xcp-volu[24188]

                      Like I said in my e-mail, maybe there are more details in another log file. I hope. šŸ™‚

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                      • G
                        geoffbland @ronan-a
                        last edited by

                        @ronan-a said in [XOSTOR hyperconvergence preview]

                        Like I said in my e-mail, maybe there are more details in another log file. I hope. šŸ™‚

                        In the end I realised I was more trying to "use" XOSTOR whilst testing rather than properly test it. So I decided to rip it all down and start again and retest it again - this time properly recording each step so any issues can be replicated. I will let you know how this goes.

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                        • G
                          geoffbland @ronan-a
                          last edited by

                          @ronan-a Could you please take a look at this issue I raised elsewhere on the forums.

                          I am currently unable to create new VMs, getting a No such Tapdisk error - checking down the stack trace - it seems to be coming from a get() call in /opt/xensource/sm/blktap2.py and this code seems to have been changed in a XOSTOR release from 24th May.

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                          • ronan-aR
                            ronan-a Vates šŸŖ XCP-ng Team @geoffbland
                            last edited by

                            @geoffbland Hi, I was away last week, I will take a look. šŸ™‚

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                            • Y
                              yrrips
                              last edited by

                              This is a supercool and amazing thing. Coming from Proxmox with Ceph I really feel this was a missing piece. I want to migrate my whole homelab to this!

                              I've been playing around with it a fair bit, and it works well, but when it came to enabling HA I ran into trouble. Is XOSTOR not a valid shared storage target to enable HA on?

                              Having multiple shared storages (NFS/CIFS etc) in production is a given to put backups and whatnot on, but I thought it was weird that I couldn't use XOSTOR storage to enable HA.

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                              • G
                                geoffbland @yrrips
                                last edited by

                                @yrrips said in XOSTOR hyperconvergence preview:

                                when it came to enabling HA I ran into trouble. Is XOSTOR not a valid shared storage target to enable HA on?

                                I'm also really hoping that XOSTOR works well and also feel like this is something XCP-NG really needs. I've tried other distributed storage solutions, notably GlusterFS but never found anything that really works 100% when outages occur.

                                Note I plan to use XOSTOR just for VM disks and any data they use - not for the HA share and not for backups. My logic is that:

                                • backups should not be anywhere near XCP-NG and should be isolated software and hardware - and hopefully location wise.
                                • HA share needs to survive a issue where XCP-NG HA fails; if XCP-NG quorum is not working then XOSTOR (Linstor) quorum may be affected in a similar way - so I keep my HA share on a reliable NFS share. Note that in testing I found if the HA share is not available for a while that XCP-NG stays running OK (just don't make any configuration changes until HA share is back).
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                                • ronan-aR
                                  ronan-a Vates šŸŖ XCP-ng Team @yrrips
                                  last edited by

                                  @yrrips I fixed several problems with the HA and the linstor driver. I don't know what's your sm version, but I updated it few weeks ago (current: sm-2.30.6-1.2.0.linstor.1.xcpng8.2.x86_64). Could you give me more details?

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                                  • M
                                    markhewitt1978
                                    last edited by

                                    I have been waiting for this for some time. after XOSAN didn't really work for me, but neither did OVH's SAN offering.

                                    Is there a documentation page to look at rather than going through the thread?

                                    In the absense of that is there a minumum recommanded host count?

                                    Would love to give this a try but would mean playing with production VMs!

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                                    • olivierlambertO
                                      olivierlambert Vates šŸŖ Co-Founder CEO
                                      last edited by

                                      Hello @markhewitt1978 !

                                      • First post is a complete guide šŸ™‚
                                      • 3 hosts is fine, no less. No problem with more.

                                      We are still investigating a bug we discovered recently, so I wouldn't play in production right now (except if you are very confident and you have a lot of backup).

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                                      • G
                                        geoffbland @olivierlambert
                                        last edited by

                                        Is it possible to use a separate network for the XOSTOR/Linstor disk replication from the "main" network used for XCP-ng servers?

                                        If so when the SR is created with this command:

                                        xe sr-create type=linstor name-label=XOSTOR host-uuid=bc3cd3af-3f09-48cf-ae55-515ba21930f5 device-config:hosts=host-a,host-b,host-c,host-d device-config:group-name=linstor_group/thin_device device-config:redundancy=4 shared=true device-config:provisioning=thin

                                        Do the device-config:hosts need to be XCP-ng hosts - or can IP address of the "data-replication" network be provided here.

                                        For example, my XCP-NG servers have dual NICs, I could use the second NIC on a private network/switch with a different subnet to the "main" hosts and use this solely for XOSTOR/Linstor disk replication. Is this possible?

                                        G 1 Reply Last reply Reply Quote 0
                                        • G
                                          geoffbland @geoffbland
                                          last edited by geoffbland

                                          Doing some more testing on XOSTOR and starting from scratch again. A brand-new XCP-ng installation made onto a new 3 server pool, each server with a blank 4GB disk.
                                          All servers have xcpng patched up to date.
                                          Then I installed XOSTOR onto each of these servers, Linstor installed OK and I have the linstor group on each.

                                          [19:22 XCPNG30 ~]# vgs
  VG                                                 #PV #LV #SN Attr   VSize    VFree
  VG_XenStorage-a776b6b1-9a96-e179-ea12-f2419ae512b6   1   1   0 wz--n- <405.62g 405.61g
  linstor_group                                        1   0   0 wz--n-   <3.64t  <3.64t
[19:22 XCPNG30 ~]# rpm -qa | grep -E "^(sm|xha)-.*linstor.*"
xha-10.1.0-2.2.0.linstor.2.xcpng8.2.x86_64
sm-2.30.7-1.3.0.linstor.1.xcpng8.2.x86_64
sm-rawhba-2.30.7-1.3.0.linstor.1.xcpng8.2.x86_64

[19:21 XCPNG31 ~]# vgs
  VG                                                 #PV #LV #SN Attr   VSize    VFree
  VG_XenStorage-f75785ef-df30-b54c-2af4-84d19c966453   1   1   0 wz--n- <405.62g 405.61g
  linstor_group                                        1   0   0 wz--n-   <3.64t  <3.64t
[19:21 XCPNG31 ~]# rpm -qa | grep -E "^(sm|xha)-.*linstor.*"
xha-10.1.0-2.2.0.linstor.2.xcpng8.2.x86_64
sm-2.30.7-1.3.0.linstor.1.xcpng8.2.x86_64
sm-rawhba-2.30.7-1.3.0.linstor.1.xcpng8.2.x86_64

[19:23 XCPNG32 ~]# vgs
  VG                                                 #PV #LV #SN Attr   VSize    VFree
  VG_XenStorage-abaf8356-fc58-9124-a23b-c29e7e67c983   1   1   0 wz--n- <405.62g 405.61g
  linstor_group                                        1   0   0 wz--n-   <3.64t  <3.64t
[19:23 XCPNG32 ~]# rpm -qa | grep -E "^(sm|xha)-.*linstor.*"
xha-10.1.0-2.2.0.linstor.2.xcpng8.2.x86_64
sm-2.30.7-1.3.0.linstor.1.xcpng8.2.x86_64
sm-rawhba-2.30.7-1.3.0.linstor.1.xcpng8.2.x86_64

[19:26 XCPNG31 ~]# xe host-list
uuid ( RO)                : 7c3f2fae-0456-4155-a9ad-43790fcb4155
          name-label ( RW): XCPNG32
    name-description ( RW): Default install

uuid ( RO)                : 2e48b46a-c420-4957-9233-3e029ea39305
          name-label ( RW): XCPNG30
    name-description ( RW): Default install

uuid ( RO)                : 7aaaf4a5-0e43-442e-a9b1-38620c87fd69
          name-label ( RW): XCPNG31
    name-description ( RW): Default install

                                          But I am not able to create the SR.

                                          xe sr-create type=linstor name-label=XOSTOR01 host-uuid=7aaaf4a5-0e43-442e-a9b1-38620c87fd69 device-config:hosts=xcpng30,xcpng31,xcpng32 device-config:group-name=linstor_group device-config:redundancy=2 shared=true device-config:provisioning=thick

                                          This gives the following error:

                                          Error code: SR_BACKEND_FAILURE_5006
Error parameters: , LINSTOR SR creation error [opterr=Not enough online hosts],

                                          Here's the error in the SMLog

                                          Jul 15 19:29:22 XCPNG31 SM: [9747] sr_create {'sr_uuid': '14aa2b8b-430f-34e5-fb74-c37667cb18ec', 'subtask_of': 'DummyRef:|d39839f1-ee3a-4bfe-8a41-7a077f4f2640|SR.create', 'args': ['0'], 'host_ref': 'OpaqueRef:196f738d-24fa-4598-8e96-4a13390abc87', 'session_ref': 'OpaqueRef:e806b347-1e5f-4644-842f-26a7b06b2561', 'device_config': {'group-name': 'linstor_group', 'redundancy': '2', 'hosts': 'xcpng30,xcpng31,xcpng32', 'SRmaster': 'true', 'provisioning': 'thick'}, 'command': 'sr_create', 'sr_ref': 'OpaqueRef:7ded7feb-729f-47c3-9893-1b62db0b7e17'}
Jul 15 19:29:22 XCPNG31 SM: [9747] LinstorSR.create for 14aa2b8b-430f-34e5-fb74-c37667cb18ec
Jul 15 19:29:22 XCPNG31 SM: [9747] Raising exception [5006, LINSTOR SR creation error [opterr=Not enough online hosts]]
Jul 15 19:29:22 XCPNG31 SM: [9747] lock: released /var/lock/sm/14aa2b8b-430f-34e5-fb74-c37667cb18ec/sr
Jul 15 19:29:22 XCPNG31 SM: [9747] ***** generic exception: sr_create: EXCEPTION <class 'SR.SROSError'>, LINSTOR SR creation error [opterr=Not enough online hosts]
Jul 15 19:29:22 XCPNG31 SM: [9747]   File "/opt/xensource/sm/SRCommand.py", line 110, in run
Jul 15 19:29:22 XCPNG31 SM: [9747]     return self._run_locked(sr)
Jul 15 19:29:22 XCPNG31 SM: [9747]   File "/opt/xensource/sm/SRCommand.py", line 159, in _run_locked
Jul 15 19:29:22 XCPNG31 SM: [9747]     rv = self._run(sr, target)
Jul 15 19:29:22 XCPNG31 SM: [9747]   File "/opt/xensource/sm/SRCommand.py", line 323, in _run
Jul 15 19:29:22 XCPNG31 SM: [9747]     return sr.create(self.params['sr_uuid'], long(self.params['args'][0]))
Jul 15 19:29:22 XCPNG31 SM: [9747]   File "/opt/xensource/sm/LinstorSR", line 612, in wrap
Jul 15 19:29:22 XCPNG31 SM: [9747]     return load(self, *args, **kwargs)
Jul 15 19:29:22 XCPNG31 SM: [9747]   File "/opt/xensource/sm/LinstorSR", line 597, in load
Jul 15 19:29:22 XCPNG31 SM: [9747]     return wrapped_method(self, *args, **kwargs)
Jul 15 19:29:22 XCPNG31 SM: [9747]   File "/opt/xensource/sm/LinstorSR", line 443, in wrapped_method
Jul 15 19:29:22 XCPNG31 SM: [9747]     return method(self, *args, **kwargs)
Jul 15 19:29:22 XCPNG31 SM: [9747]   File "/opt/xensource/sm/LinstorSR", line 688, in create
Jul 15 19:29:22 XCPNG31 SM: [9747]     opterr='Not enough online hosts'
Jul 15 19:29:22 XCPNG31 SM: [9747]
Jul 15 19:29:22 XCPNG31 SM: [9747] ***** LINSTOR resources on XCP-ng: EXCEPTION <class 'SR.SROSError'>, LINSTOR SR creation error [opterr=Not enough online hosts]
Jul 15 19:29:22 XCPNG31 SM: [9747]   File "/opt/xensource/sm/SRCommand.py", line 378, in run
Jul 15 19:29:22 XCPNG31 SM: [9747]     ret = cmd.run(sr)
Jul 15 19:29:22 XCPNG31 SM: [9747]   File "/opt/xensource/sm/SRCommand.py", line 110, in run
Jul 15 19:29:22 XCPNG31 SM: [9747]     return self._run_locked(sr)
Jul 15 19:29:22 XCPNG31 SM: [9747]   File "/opt/xensource/sm/SRCommand.py", line 159, in _run_locked
Jul 15 19:29:22 XCPNG31 SM: [9747]     rv = self._run(sr, target)
Jul 15 19:29:22 XCPNG31 SM: [9747]   File "/opt/xensource/sm/SRCommand.py", line 323, in _run
Jul 15 19:29:22 XCPNG31 SM: [9747]     return sr.create(self.params['sr_uuid'], long(self.params['args'][0]))
Jul 15 19:29:22 XCPNG31 SM: [9747]   File "/opt/xensource/sm/LinstorSR", line 612, in wrap
Jul 15 19:29:22 XCPNG31 SM: [9747]     return load(self, *args, **kwargs)
Jul 15 19:29:22 XCPNG31 SM: [9747]   File "/opt/xensource/sm/LinstorSR", line 597, in load
Jul 15 19:29:22 XCPNG31 SM: [9747]     return wrapped_method(self, *args, **kwargs)
Jul 15 19:29:22 XCPNG31 SM: [9747]   File "/opt/xensource/sm/LinstorSR", line 443, in wrapped_method
Jul 15 19:29:22 XCPNG31 SM: [9747]     return method(self, *args, **kwargs)
Jul 15 19:29:22 XCPNG31 SM: [9747]   File "/opt/xensource/sm/LinstorSR", line 688, in create
Jul 15 19:29:22 XCPNG31 SM: [9747]     opterr='Not enough online hosts'

                                          I have found the issue - the device-config:hosts list is case-sensitive, if the hosts are given in lower-case the above error occurs. Specifying the hosts in upper-case works.

                                          Also using a fully-qualified name for the host fails - regardless of the case used.

                                          ronan-aR 1 Reply Last reply Reply Quote 0
                                          • olivierlambertO
                                            olivierlambert Vates šŸŖ Co-Founder CEO
                                            last edited by

                                            Pinging @ronan-a

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