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    SR Garbage Collection running permanently

    Scheduled Pinned Locked Moved Management
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    • tjkreidlT Offline
      tjkreidl Ambassador @Tristis Oris
      last edited by tjkreidl

      @Tristis-Oris Note that if the SR storage device is around 90% or more full, a coalesce may not work. You have to either delete or move then enough storage so that there is adequate free space.
      How full is the SR? That said, a coalesce process can take up to 24 hours to complete. I wonder if this shows up and with what progress when you run "xe task-list" ?

      1 Reply Last reply Reply Quote 0
      • Tristis OrisT Offline
        Tristis Oris Top contributor @Danp
        last edited by Tristis Oris

        @Danp No, can't find any exceptions.
        that typical log for now, it repeating a lot of times:

        Jan 20 00:02:00 host SM: [2736362] Kicking GC
Jan 20 00:02:00 host SM: [2736362] Kicking SMGC@93d53646-e895-52cf-7c8e-df1d5e84f5e4...
Jan 20 00:02:00 host SM: [2736362] utilisation 40394752 <> 34451456
*
Jan 20 00:02:00 host SM: [2736362] VDIs changed on disk: ['34fa9f2d-95fa-468e-986c-ade22b92b1f3', '56b94e20-01ae-4da1-99f8-03aa901da64f', 'a75c6e7b-7f8d-4a4b-99$
Jan 20 00:02:00 host SM: [2736362] Updating VDI with location=34fa9f2d-95fa-468e-986c-ade22b92b1f3 uuid=34fa9f2d-95fa-468e-986c-ade22b92b1f3
*
Jan 20 00:02:00 host SM: [2736362] lock: released /var/lock/sm/93d53646-e895-52cf-7c8e-df1d5e84f5e4/sr
Jan 20 00:02:00 host SMGC: [2736466] === SR 93d53646-e895-52cf-7c8e-df1d5e84f5e4: gc ===
Jan 20 00:02:00 host SM: [2736466] lock: opening lock file /var/lock/sm/93d53646-e895-52cf-7c8e-df1d5e84f5e4/running
*
Jan 20 00:02:00 host SMGC: [2736466] Found 0 cache files
Jan 20 00:02:00 host SM: [2736466] lock: tried lock /var/lock/sm/93d53646-e895-52cf-7c8e-df1d5e84f5e4/sr, acquired: True (exists: True)
Jan 20 00:02:00 host SM: [2736466] ['/usr/bin/vhd-util', 'scan', '-f', '-m', '/var/run/sr-mount/93d53646-e895-52cf-7c8e-df1d5e84f5e4/*.vhd']
Jan 20 00:02:00 host SM: [2736614] lock: opening lock file /var/lock/sm/93d53646-e895-52cf-7c8e-df1d5e84f5e4/sr
Jan 20 00:02:00 host SM: [2736614] sr_update {'host_ref': 'OpaqueRef:3570b538-189d-6a16-fe61-f6d73cc545dc', 'command': 'sr_update', 'args': [], 'device_config':$
Jan 20 00:02:00 host SM: [2736614] lock: closed /var/lock/sm/93d53646-e895-52cf-7c8e-df1d5e84f5e4/sr
Jan 20 00:02:01 host SM: [2736466]   pread SUCCESS
*
Jan 20 00:02:01 host SMGC: [2736466] SR 93d5 ('VM Sol flash') (73 VDIs in 39 VHD trees):
Jan 20 00:02:01 host SMGC: [2736466]         *70119dcb(50.000G/45.497G?)
Jan 20 00:02:01 host SMGC: [2736466]             e6a3e53a(50.000G/107.500K?)
*
Jan 20 00:02:01 host SM: [2736466] lock: released /var/lock/sm/93d53646-e895-52cf-7c8e-df1d5e84f5e4/sr
Jan 20 00:02:01 host SMGC: [2736466] Got sm-config for *70119dcb(50.000G/45.497G?): {'vhd-blocks': 'eJzFlrFuwjAQhk/Kg5R36Ngq5EGQyJSsHTtUPj8WA4M3GDrwBvEEDB2yEaQQ$
*
Jan 20 00:02:01 host SMGC: [2736466] No work, exiting
Jan 20 00:02:01 host SMGC: [2736466] GC process exiting, no work left
Jan 20 00:02:01 host SM: [2736466] lock: released /var/lock/sm/93d53646-e895-52cf-7c8e-df1d5e84f5e4/gc_active
Jan 20 00:02:01 host SMGC: [2736466] In cleanup
Jan 20 00:02:01 host SMGC: [2736466] SR 93d5 ('VM Sol flash') (73 VDIs in 39 VHD trees): no changes
Jan 20 00:02:01 host SM: [2736466] lock: closed /var/lock/sm/93d53646-e895-52cf-7c8e-df1d5e84f5e4/running

        @tjkreidl Free space is enough. I never see GC job running for a long, so never see it at other pools or after fix. Have no any coalesce in queue.
        xe task-list show nothing.

        Maybe i need to cleanup bad VDIs manually for first time?

        tjkreidlT 1 Reply Last reply Reply Quote 0
        • tjkreidlT Offline
          tjkreidl Ambassador @Tristis Oris
          last edited by

          @Tristis-Oris It wouldn't hurt to do a manual cleanup. Not sure if a reboot might help, but strange that no task is showing as active. Do you have other SRs on which you can try a scan/coalesce?
          Are there any VMs in a weird power state?

          Tristis OrisT 1 Reply Last reply Reply Quote 0
          • Tristis OrisT Offline
            Tristis Oris Top contributor @tjkreidl
            last edited by

            @tjkreidl nothing unusual.
            I found same issue on another 8.3 pool, another SR, but never seen related GC tasks. No exceptions at log.
            But no problems with 3rd 8.3 pool.

            SR scan don't trigger GC, can i run it manually?

            tjkreidlT 1 Reply Last reply Reply Quote 0
            • tjkreidlT Offline
              tjkreidl Ambassador @Tristis Oris
              last edited by tjkreidl

              @Tristis-Oris By manually, do you mean from the CLI vs. from the GUI? If so, then:
              xe sr-scan sr-uuid=sr_uuid
              Check your logs (probably /var/log/SMlog) and run "xe task-list" to see what, if anything, is active.

              Tristis OrisT 1 Reply Last reply Reply Quote 0
              • Tristis OrisT Offline
                Tristis Oris Top contributor @tjkreidl
                last edited by

                @tjkreidl but that same scan as ff71c9ec-d825-4f3b-8256-43299e950545-image.png ?

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                • Tristis OrisT Offline
                  Tristis Oris Top contributor
                  last edited by

                  I guess I'm a little confused.
                  Probably, after fix all bad snapshots been removed, and now they are exist only for hatled (archive) VMs. They got backup only once with such job:
                  46bcdd5e-9eed-4fda-8a3c-ff5fe1be5842-image.png

                  so without backup tasks, GC for vdi chains not running. Is it safe to remove them manually, or better to run backup task again? (that very long and not required).

                  tjkreidlT 1 Reply Last reply Reply Quote 0
                  • tjkreidlT Offline
                    tjkreidl Ambassador @Tristis Oris
                    last edited by tjkreidl

                    @Tristis-Oris Do first verify you have good backups before considering deleting snapshots. You could also just export the snapshots associated with the VMs..
                    As to the GUI vs. CLI, it should do the same thing, but if it runs, it should show up in the task list.

                    1 Reply Last reply Reply Quote 0
                    • R Offline
                      Razor_648
                      last edited by

                      Hello, I've migrated 200 VMs from an XCP-NG 8.2 cluster to 8.3 on new iSCSi SRs and I'm encountering quite a few VDIs to coalesce in my various SRs. As a result, I constantly have garbage collection tasks running in the background, taking several hours and restarting each time because there are always VDIs to coalesce. This also has a negative impact on my Vinchin backup jobs, which take a very long time (over 15 minutes to do a snapshot, for example).
                      I've set the SR autoscan to false too to prevent this problem but nothing helps.

                      I don't have this issue at all with my other 8.2 clusters, is it normal?

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

                        Pinging @Team-Storage

                        1 Reply Last reply Reply Quote 0
                        • ronan-aR Offline
                          ronan-a Vates 🪐 XCP-ng Team @Razor_648
                          last edited by

                          @Razor_648 Do you have any exceptions in your /var/log/SMlog files?

                          R 1 Reply Last reply Reply Quote 0
                          • R Offline
                            Razor_648 @ronan-a
                            last edited by

                            @ronan-a for example, for ID 3407716 in SMlog for Dom0 master :

                            Jul  9 09:44:45 na-mut-xen-03 SM: [3407716] Setting LVM_DEVICE to /dev/disk/by-scsid/3624a93704071cc78f82b4df4000113ee
Jul  9 09:44:45 na-mut-xen-03 SM: [3407716] Setting LVM_DEVICE to /dev/disk/by-scsid/3624a93704071cc78f82b4df4000113ee
Jul  9 09:44:45 na-mut-xen-03 SM: [3407716] lock: opening lock file /var/lock/sm/5301ae76-31fd-9ff0-7d4c-65c8b1ed8f89/sr
Jul  9 09:44:45 na-mut-xen-03 SM: [3407716] LVMCache created for VG_XenStorage-5301ae76-31fd-9ff0-7d4c-65c8b1ed8f89
Jul  9 09:44:45 na-mut-xen-03 fairlock[3949]: /run/fairlock/devicemapper sent '3407716 - 1893214.155789358'
Jul  9 09:44:45 na-mut-xen-03 SM: [3407716] ['/sbin/vgs', '--readonly', 'VG_XenStorage-5301ae76-31fd-9ff0-7d4c-65c8b1ed8f89']
Jul  9 09:44:45 na-mut-xen-03 SM: [3407716]   pread SUCCESS
Jul  9 09:44:45 na-mut-xen-03 SM: [3407716] lock: acquired /var/lock/sm/5301ae76-31fd-9ff0-7d4c-65c8b1ed8f89/sr
Jul  9 09:44:45 na-mut-xen-03 SM: [3407716] LVMCache: will initialize now
Jul  9 09:44:45 na-mut-xen-03 SM: [3407716] LVMCache: refreshing
Jul  9 09:44:46 na-mut-xen-03 fairlock[3949]: /run/fairlock/devicemapper sent '3407716 - 1893215.105961535'
Jul  9 09:44:46 na-mut-xen-03 SM: [3407716] ['/sbin/lvs', '--noheadings', '--units', 'b', '-o', '+lv_tags', '/dev/VG_XenStorage-5301ae76-31fd-9ff0-7d4c-65c8b1ed8f89']
Jul  9 09:44:46 na-mut-xen-03 SM: [3407716]   pread SUCCESS
Jul  9 09:44:46 na-mut-xen-03 SM: [3407716] lock: released /var/lock/sm/5301ae76-31fd-9ff0-7d4c-65c8b1ed8f89/sr
Jul  9 09:44:46 na-mut-xen-03 SM: [3407716] Entering _checkMetadataVolume
Jul  9 09:44:46 na-mut-xen-03 SM: [3407716] vdi_list_changed_blocks {'host_ref': 'OpaqueRef:8bb2bb09-1d56-cb47-6014-91c3eca78529', 'command': 'vdi_list_changed_blocks', 'args': ['OpaqueRef:3a4d6847-eb39-5a96-f2c2-ffcad3da4477'], 'device_config': {'SRmaster': 'true', 'port': '3260', 'SCSIid': '3624a93704071cc78f82b4df4000113ee', 'targetIQN': 'iqn.2010-06.com.purestorage:flasharray.2498b71d53b104d9', 'target': '10.20.0.21', 'multihomelist': '10.20.0.21:3260,10.20.0.22:3260,10.20.1.21:3260,10.20.1.22:3260'}, 'session_ref': '******', 'sr_ref': 'OpaqueRef:78f4538b-4c0b-531c-c523-fd92f8738fc5', 'sr_uuid': '5301ae76-31fd-9ff0-7d4c-65c8b1ed8f89', 'vdi_ref': 'OpaqueRef:05e1857b-f39d-47da-9c06-d0d35ba97f00', 'vdi_location': '9fae176c-2c5f-4fd1-91fd-9bdb32533795', 'vdi_uuid': '9fae176c-2c5f-4fd1-91fd-9bdb32533795', 'subtask_of': 'DummyRef:|dea7f1a8-9116-8be0-6ba8-c3ecac77b442|VDI.list_changed_blocks', 'vdi_on_boot': 'persist', 'vdi_allow_caching': 'false'}
Jul  9 09:44:47 na-mut-xen-03 fairlock[3949]: /run/fairlock/devicemapper sent '3407716 - 1893215.990307086'
Jul  9 09:44:47 na-mut-xen-03 fairlock[3949]: /run/fairlock/devicemapper sent '3407716 - 1893216.783648117'
Jul  9 09:44:48 na-mut-xen-03 SM: [3407716] lock: opening lock file /var/lock/sm/9fae176c-2c5f-4fd1-91fd-9bdb32533795/cbtlog
Jul  9 09:44:48 na-mut-xen-03 SM: [3407716] lock: acquired /var/lock/sm/9fae176c-2c5f-4fd1-91fd-9bdb32533795/cbtlog
Jul  9 09:44:48 na-mut-xen-03 SM: [3407716] LVMCache: refreshing
Jul  9 09:44:48 na-mut-xen-03 fairlock[3949]: /run/fairlock/devicemapper sent '3407716 - 1893217.178993739'
Jul  9 09:44:48 na-mut-xen-03 SM: [3407716] ['/sbin/lvs', '--noheadings', '--units', 'b', '-o', '+lv_tags', '/dev/VG_XenStorage-5301ae76-31fd-9ff0-7d4c-65c8b1ed8f89']
Jul  9 09:44:48 na-mut-xen-03 SM: [3407716]   pread SUCCESS
Jul  9 09:44:49 na-mut-xen-03 fairlock[3949]: /run/fairlock/devicemapper sent '3407716 - 1893218.029420281'
Jul  9 09:44:49 na-mut-xen-03 SM: [3407716] ['/sbin/lvchange', '-ay', '/dev/VG_XenStorage-5301ae76-31fd-9ff0-7d4c-65c8b1ed8f89/9fae176c-2c5f-4fd1-91fd-9bdb32533795.cbtlog']
Jul  9 09:44:49 na-mut-xen-03 SM: [3407716]   pread SUCCESS
Jul  9 09:44:49 na-mut-xen-03 SM: [3407716] ['/usr/sbin/cbt-util', 'get', '-n', '/dev/VG_XenStorage-5301ae76-31fd-9ff0-7d4c-65c8b1ed8f89/9fae176c-2c5f-4fd1-91fd-9bdb32533795.cbtlog', '-c']
Jul  9 09:44:49 na-mut-xen-03 SM: [3407716]   pread SUCCESS
Jul  9 09:44:49 na-mut-xen-03 SM: [3407716] fuser /dev/VG_XenStorage-5301ae76-31fd-9ff0-7d4c-65c8b1ed8f89/9fae176c-2c5f-4fd1-91fd-9bdb32533795.cbtlog => 1 / '' / ''
Jul  9 09:44:50 na-mut-xen-03 fairlock[3949]: /run/fairlock/devicemapper sent '3407716 - 1893219.268237038'
Jul  9 09:44:50 na-mut-xen-03 SM: [3407716] ['/sbin/lvchange', '-an', '/dev/VG_XenStorage-5301ae76-31fd-9ff0-7d4c-65c8b1ed8f89/9fae176c-2c5f-4fd1-91fd-9bdb32533795.cbtlog']
Jul  9 09:44:50 na-mut-xen-03 SM: [3407716]   pread SUCCESS
Jul  9 09:44:51 na-mut-xen-03 fairlock[3949]: /run/fairlock/devicemapper sent '3407716 - 1893220.721225461'
Jul  9 09:44:51 na-mut-xen-03 SM: [3407716] ['/sbin/dmsetup', 'status', 'VG_XenStorage--5301ae76--31fd--9ff0--7d4c--65c8b1ed8f89-9fae176c--2c5f--4fd1--91fd--9bdb32533795.cbtlog']
Jul  9 09:44:51 na-mut-xen-03 SM: [3407716]   pread SUCCESS
Jul  9 09:44:51 na-mut-xen-03 SM: [3407716] lock: released /var/lock/sm/9fae176c-2c5f-4fd1-91fd-9bdb32533795/cbtlog
Jul  9 09:44:51 na-mut-xen-03 fairlock[3949]: /run/fairlock/devicemapper sent '3407716 - 1893220.765534349'
Jul  9 09:44:52 na-mut-xen-03 SM: [3407716] lock: opening lock file /var/lock/sm/54bc2594-5228-411a-a4b2-cc1a7502d9a4/cbtlog
Jul  9 09:44:52 na-mut-xen-03 SM: [3407716] lock: acquired /var/lock/sm/54bc2594-5228-411a-a4b2-cc1a7502d9a4/cbtlog
Jul  9 09:44:52 na-mut-xen-03 SM: [3407716] LVMCache: refreshing
Jul  9 09:44:53 na-mut-xen-03 fairlock[3949]: /run/fairlock/devicemapper sent '3407716 - 1893222.038114535'
Jul  9 09:44:53 na-mut-xen-03 SM: [3407716] ['/sbin/lvs', '--noheadings', '--units', 'b', '-o', '+lv_tags', '/dev/VG_XenStorage-5301ae76-31fd-9ff0-7d4c-65c8b1ed8f89']
Jul  9 09:44:53 na-mut-xen-03 SM: [3407716]   pread SUCCESS
Jul  9 09:44:54 na-mut-xen-03 fairlock[3949]: /run/fairlock/devicemapper sent '3407716 - 1893222.921315355'
Jul  9 09:44:54 na-mut-xen-03 SM: [3407716] ['/sbin/lvchange', '-ay', '/dev/VG_XenStorage-5301ae76-31fd-9ff0-7d4c-65c8b1ed8f89/54bc2594-5228-411a-a4b2-cc1a7502d9a4.cbtlog']
Jul  9 09:44:54 na-mut-xen-03 SM: [3407716]   pread SUCCESS
Jul  9 09:44:54 na-mut-xen-03 SM: [3407716] ['/usr/sbin/cbt-util', 'get', '-n', '/dev/VG_XenStorage-5301ae76-31fd-9ff0-7d4c-65c8b1ed8f89/54bc2594-5228-411a-a4b2-cc1a7502d9a4.cbtlog', '-s']
Jul  9 09:44:54 na-mut-xen-03 SM: [3407716]   pread SUCCESS
Jul  9 09:44:54 na-mut-xen-03 SM: [3407716] fuser /dev/VG_XenStorage-5301ae76-31fd-9ff0-7d4c-65c8b1ed8f89/54bc2594-5228-411a-a4b2-cc1a7502d9a4.cbtlog => 1 / '' / ''
Jul  9 09:44:55 na-mut-xen-03 fairlock[3949]: /run/fairlock/devicemapper sent '3407716 - 1893224.138058885'
Jul  9 09:44:55 na-mut-xen-03 SM: [3407716] ['/sbin/lvchange', '-an', '/dev/VG_XenStorage-5301ae76-31fd-9ff0-7d4c-65c8b1ed8f89/54bc2594-5228-411a-a4b2-cc1a7502d9a4.cbtlog']
Jul  9 09:44:55 na-mut-xen-03 SM: [3407716]   pread SUCCESS
Jul  9 09:44:56 na-mut-xen-03 fairlock[3949]: /run/fairlock/devicemapper sent '3407716 - 1893225.053222085'
Jul  9 09:44:56 na-mut-xen-03 SM: [3407716] ['/sbin/dmsetup', 'status', 'VG_XenStorage--5301ae76--31fd--9ff0--7d4c--65c8b1ed8f89-54bc2594--5228--411a--a4b2--cc1a7502d9a4.cbtlog']
Jul  9 09:44:56 na-mut-xen-03 SM: [3407716]   pread SUCCESS
Jul  9 09:44:56 na-mut-xen-03 SM: [3407716] lock: released /var/lock/sm/54bc2594-5228-411a-a4b2-cc1a7502d9a4/cbtlog
Jul  9 09:44:56 na-mut-xen-03 SM: [3407716] DEBUG: Processing VDI 54bc2594-5228-411a-a4b2-cc1a7502d9a4 of size 107374182400
Jul  9 09:44:56 na-mut-xen-03 SM: [3407716] lock: acquired /var/lock/sm/54bc2594-5228-411a-a4b2-cc1a7502d9a4/cbtlog
Jul  9 09:44:56 na-mut-xen-03 SM: [3407716] LVMCache: refreshing
Jul  9 09:44:56 na-mut-xen-03 fairlock[3949]: /run/fairlock/devicemapper sent '3407716 - 1893225.076140954'
Jul  9 09:44:56 na-mut-xen-03 SM: [3407716] ['/sbin/lvs', '--noheadings', '--units', 'b', '-o', '+lv_tags', '/dev/VG_XenStorage-5301ae76-31fd-9ff0-7d4c-65c8b1ed8f89']
Jul  9 09:44:56 na-mut-xen-03 SM: [3407716]   pread SUCCESS
Jul  9 09:44:57 na-mut-xen-03 fairlock[3949]: /run/fairlock/devicemapper sent '3407716 - 1893225.934427314'
Jul  9 09:44:57 na-mut-xen-03 SM: [3407716] ['/sbin/lvchange', '-ay', '/dev/VG_XenStorage-5301ae76-31fd-9ff0-7d4c-65c8b1ed8f89/54bc2594-5228-411a-a4b2-cc1a7502d9a4.cbtlog']
Jul  9 09:44:57 na-mut-xen-03 SM: [3407716]   pread SUCCESS
Jul  9 09:44:57 na-mut-xen-03 SM: [3407716] ['/usr/sbin/cbt-util', 'get', '-n', '/dev/VG_XenStorage-5301ae76-31fd-9ff0-7d4c-65c8b1ed8f89/54bc2594-5228-411a-a4b2-cc1a7502d9a4.cbtlog', '-b']
Jul  9 09:44:57 na-mut-xen-03 SM: [3407716]   pread SUCCESS
Jul  9 09:44:57 na-mut-xen-03 SM: [3407716] fuser /dev/VG_XenStorage-5301ae76-31fd-9ff0-7d4c-65c8b1ed8f89/54bc2594-5228-411a-a4b2-cc1a7502d9a4.cbtlog => 1 / '' / ''
Jul  9 09:44:59 na-mut-xen-03 fairlock[3949]: /run/fairlock/devicemapper sent '3407716 - 1893227.790063374'
Jul  9 09:44:59 na-mut-xen-03 SM: [3407716] ['/sbin/lvchange', '-an', '/dev/VG_XenStorage-5301ae76-31fd-9ff0-7d4c-65c8b1ed8f89/54bc2594-5228-411a-a4b2-cc1a7502d9a4.cbtlog']
Jul  9 09:44:59 na-mut-xen-03 SM: [3407716]   pread SUCCESS
Jul  9 09:45:00 na-mut-xen-03 fairlock[3949]: /run/fairlock/devicemapper sent '3407716 - 1893228.82935698'
Jul  9 09:45:00 na-mut-xen-03 SM: [3407716] ['/sbin/dmsetup', 'status', 'VG_XenStorage--5301ae76--31fd--9ff0--7d4c--65c8b1ed8f89-54bc2594--5228--411a--a4b2--cc1a7502d9a4.cbtlog']
Jul  9 09:45:00 na-mut-xen-03 SM: [3407716]   pread SUCCESS
Jul  9 09:45:00 na-mut-xen-03 SM: [3407716] lock: released /var/lock/sm/54bc2594-5228-411a-a4b2-cc1a7502d9a4/cbtlog
Jul  9 09:45:00 na-mut-xen-03 SM: [3407716] Size of bitmap: 1638400
Jul  9 09:45:00 na-mut-xen-03 SM: [3407716] lock: acquired /var/lock/sm/54bc2594-5228-411a-a4b2-cc1a7502d9a4/cbtlog
Jul  9 09:45:00 na-mut-xen-03 SM: [3407716] LVMCache: refreshing
Jul  9 09:45:00 na-mut-xen-03 fairlock[3949]: /run/fairlock/devicemapper sent '3407716 - 1893229.259729804'
Jul  9 09:45:00 na-mut-xen-03 SM: [3407716] ['/sbin/lvs', '--noheadings', '--units', 'b', '-o', '+lv_tags', '/dev/VG_XenStorage-5301ae76-31fd-9ff0-7d4c-65c8b1ed8f89']
Jul  9 09:45:00 na-mut-xen-03 SM: [3407716]   pread SUCCESS
Jul  9 09:45:01 na-mut-xen-03 fairlock[3949]: /run/fairlock/devicemapper sent '3407716 - 1893230.644242194'
Jul  9 09:45:01 na-mut-xen-03 SM: [3407716] ['/sbin/lvchange', '-ay', '/dev/VG_XenStorage-5301ae76-31fd-9ff0-7d4c-65c8b1ed8f89/54bc2594-5228-411a-a4b2-cc1a7502d9a4.cbtlog']
Jul  9 09:45:02 na-mut-xen-03 SM: [3407716]   pread SUCCESS
Jul  9 09:45:02 na-mut-xen-03 SM: [3407716] ['/usr/sbin/cbt-util', 'get', '-n', '/dev/VG_XenStorage-5301ae76-31fd-9ff0-7d4c-65c8b1ed8f89/54bc2594-5228-411a-a4b2-cc1a7502d9a4.cbtlog', '-c']
Jul  9 09:45:02 na-mut-xen-03 SM: [3407716]   pread SUCCESS
Jul  9 09:45:02 na-mut-xen-03 SM: [3407716] fuser /dev/VG_XenStorage-5301ae76-31fd-9ff0-7d4c-65c8b1ed8f89/54bc2594-5228-411a-a4b2-cc1a7502d9a4.cbtlog => 1 / '' / ''
Jul  9 09:45:02 na-mut-xen-03 fairlock[3949]: /run/fairlock/devicemapper sent '3407716 - 1893231.488289557'
Jul  9 09:45:02 na-mut-xen-03 SM: [3407716] ['/sbin/lvchange', '-an', '/dev/VG_XenStorage-5301ae76-31fd-9ff0-7d4c-65c8b1ed8f89/54bc2594-5228-411a-a4b2-cc1a7502d9a4.cbtlog']
Jul  9 09:45:03 na-mut-xen-03 SM: [3407716]   pread SUCCESS
Jul  9 09:45:04 na-mut-xen-03 fairlock[3949]: /run/fairlock/devicemapper sent '3407716 - 1893233.069490829'
Jul  9 09:45:04 na-mut-xen-03 SM: [3407716] ['/sbin/dmsetup', 'status', 'VG_XenStorage--5301ae76--31fd--9ff0--7d4c--65c8b1ed8f89-54bc2594--5228--411a--a4b2--cc1a7502d9a4.cbtlog']
Jul  9 09:45:04 na-mut-xen-03 SM: [3407716]   pread SUCCESS
Jul  9 09:45:04 na-mut-xen-03 SM: [3407716] lock: released /var/lock/sm/54bc2594-5228-411a-a4b2-cc1a7502d9a4/cbtlog
Jul  9 09:45:04 na-mut-xen-03 fairlock[3949]: /run/fairlock/devicemapper sent '3407716 - 1893233.110222368'
Jul  9 09:45:04 na-mut-xen-03 SM: [3407716] Raising exception [460, Failed to calculate changed blocks for given VDIs. [opterr=Source and target VDI are unrelated]]
Jul  9 09:45:04 na-mut-xen-03 SM: [3407716] ***** generic exception: vdi_list_changed_blocks: EXCEPTION <class 'xs_errors.SROSError'>, Failed to calculate changed blocks for given VDIs. [opterr=Source and target VDI are unrelated]
Jul  9 09:45:04 na-mut-xen-03 SM: [3407716]   File "/opt/xensource/sm/SRCommand.py", line 113, in run
Jul  9 09:45:04 na-mut-xen-03 SM: [3407716]     return self._run_locked(sr)
Jul  9 09:45:04 na-mut-xen-03 SM: [3407716]   File "/opt/xensource/sm/SRCommand.py", line 163, in _run_locked
Jul  9 09:45:04 na-mut-xen-03 SM: [3407716]     rv = self._run(sr, target)
Jul  9 09:45:04 na-mut-xen-03 SM: [3407716]   File "/opt/xensource/sm/SRCommand.py", line 333, in _run
Jul  9 09:45:04 na-mut-xen-03 SM: [3407716]     return target.list_changed_blocks()
Jul  9 09:45:04 na-mut-xen-03 SM: [3407716]   File "/opt/xensource/sm/VDI.py", line 761, in list_changed_blocks
Jul  9 09:45:04 na-mut-xen-03 SM: [3407716]     "Source and target VDI are unrelated")
Jul  9 09:45:04 na-mut-xen-03 SM: [3407716]
Jul  9 09:45:04 na-mut-xen-03 SM: [3407716] ***** LVHD over iSCSI: EXCEPTION <class 'xs_errors.SROSError'>, Failed to calculate changed blocks for given VDIs. [opterr=Source and target VDI are unrelated]
Jul  9 09:45:04 na-mut-xen-03 SM: [3407716]   File "/opt/xensource/sm/SRCommand.py", line 392, in run
Jul  9 09:45:04 na-mut-xen-03 SM: [3407716]     ret = cmd.run(sr)
Jul  9 09:45:04 na-mut-xen-03 SM: [3407716]   File "/opt/xensource/sm/SRCommand.py", line 113, in run
Jul  9 09:45:04 na-mut-xen-03 SM: [3407716]     return self._run_locked(sr)
Jul  9 09:45:04 na-mut-xen-03 SM: [3407716]   File "/opt/xensource/sm/SRCommand.py", line 163, in _run_locked
Jul  9 09:45:04 na-mut-xen-03 SM: [3407716]     rv = self._run(sr, target)
Jul  9 09:45:04 na-mut-xen-03 SM: [3407716]   File "/opt/xensource/sm/SRCommand.py", line 333, in _run
Jul  9 09:45:04 na-mut-xen-03 SM: [3407716]     return target.list_changed_blocks()
Jul  9 09:45:04 na-mut-xen-03 SM: [3407716]   File "/opt/xensource/sm/VDI.py", line 761, in list_changed_blocks
Jul  9 09:45:04 na-mut-xen-03 SM: [3407716]     "Source and target VDI are unrelated")
Jul  9 09:45:04 na-mut-xen-03 SM: [3407716]
Jul  9 09:45:04 na-mut-xen-03 SM: [3407716] lock: closed /var/lock/sm/9fae176c-2c5f-4fd1-91fd-9bdb32533795/cbtlog
Jul  9 09:45:04 na-mut-xen-03 SM: [3407716] lock: closed /var/lock/sm/54bc2594-5228-411a-a4b2-cc1a7502d9a4/cbtlog
Jul  9 09:45:04 na-mut-xen-03 SM: [3407716] lock: closed /var/lock/sm/5301ae76-31fd-9ff0-7d4c-65c8b1ed8f89/sr
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