XCP-ng host not seeing storage after unmount / mount

olivierlambert

Can you please provide the complete error log?

Or start the VM directly on the host with xe vm-start uuid=<VM UUID>

Bambos

the error on the red notification is : unknown error from the peer:

and the complete error log:

vm.start
{
  "id": "95991d36-a94c-4efe-62e0-3d15b2245bce",
  "bypassMacAddressesCheck": false,
  "force": false
}
{
  "errors": [
    "Host 1: VM_REQUIRES_SR(OpaqueRef:7371d453-759a-4870-934c-9a1b13fa40a7, OpaqueRef:8a929bf4-9b17-4bce-ab59-e2d5665baa0b)",
    "Host 2: HOST_NOT_LIVE()"
  ],
  "message": "",
  "name": "Error",
  "stack": "Error: 
    at Xapi._startVm (file:///opt/xo/xo-builds/xen-orchestra-202205201634/packages/xo-server/src/xapi/index.mjs:990:15)
    at Xapi.startVm (file:///opt/xo/xo-builds/xen-orchestra-202205201634/packages/xo-server/src/xapi/index.mjs:1026:7)
    at Api.callApiMethod (file:///opt/xo/xo-builds/xen-orchestra-202205201634/packages/xo-server/src/xo-mixins/api.mjs:314:20)"
}

the storage is exactly as it was, same name , same type, same paths on NFS.

olivierlambert

This means a SR used in this VM can't be reach on host 2. You should boot it.

Bambos

@olivierlambert this is by mistake, i used to have a host 2 also in the pool that i don't use. now i removed it by the pool.

error log: still same without the line of host 2 missing.

vm.start
{
  "id": "95991d36-a94c-4efe-62e0-3d15b2245bce",
  "bypassMacAddressesCheck": false,
  "force": false
}
{
  "errors": [
    "Host 1: VM_REQUIRES_SR(OpaqueRef:7371d453-759a-4870-934c-9a1b13fa40a7, OpaqueRef:8a929bf4-9b17-4bce-ab59-e2d5665baa0b)"
  ],
  "message": "",
  "name": "Error",
  "stack": "Error: 
    at Xapi._startVm (file:///opt/xo/xo-builds/xen-orchestra-202205201634/packages/xo-server/src/xapi/index.mjs:990:15)
    at Xapi.startVm (file:///opt/xo/xo-builds/xen-orchestra-202205201634/packages/xo-server/src/xapi/index.mjs:1026:7)
    at Api.callApiMethod (file:///opt/xo/xo-builds/xen-orchestra-202205201634/packages/xo-server/src/xo-mixins/api.mjs:314:20)"
}

olivierlambert

Do you have an ISO plugged in this VM by any chance?

Bambos

@olivierlambert no, just 2 vdi. i tried to disable the dvd-drive from boot order without any change.

Bambos

@Bambos

olivierlambert

I would check if you don't have a stalled NFS connection somewhere. Do you have a working df -h output on your host? Anything special on dmesg?

One way or another, XAPI still think there's no access to those shares. You can also do a xe-toolstack-restart and try again.

Bambos

@olivierlambert df -h
looks like it mounts correctly the specific NFS

dmesg nothing special, toolstack restart i did also from Xen Orchestra , i guess is executing the same command.

olivierlambert

Do a xe vm-disk-list uuid=<VM UUID>, and then for each SR, double check the PBD is connected.

Bambos

@olivierlambert said in XCP-ng host not seeing storage after unmount / mount:

xe vm-disk-list uuid=<VM UUID>

Hello Sir, i have SSH on the host and run the command , using the uuid of the VM we are trying to start.

olivierlambert

Okay sqo both disks are on VM_space_H1. Do a xe sr-param-list uuid=<SR UUID>, get the PBDs and for each do a xe pbd-param-list uuid=<PBD UUID> and paste the result