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    CBT: the thread to centralize your feedback

    Scheduled Pinned Locked Moved
    Backup
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    • Tristis OrisT
      Tristis Oris
      last edited by

      I've been out of life for a while.
      is it any known problem with CBT file restore?
      b11b7872-c829-4cba-8f38-1e199fd7cbe1-image.png

      M A 2 Replies Last reply Reply Quote 0
      • M
        manilx @Tristis Oris
        last edited by

        @Tristis-Oris Working fine here, with cbt backups.

        1 Reply Last reply Reply Quote 0
        • A
          Andrew Top contributor @Tristis Oris
          last edited by

          @Tristis-Oris Is your backed up VM using LVM for it's root filesystem?

          Tristis OrisT M 2 Replies Last reply Reply Quote 0
          • Tristis OrisT
            Tristis Oris @Andrew
            last edited by

            @Andrew most of them, yes.

            A 1 Reply Last reply Reply Quote 0
            • A
              Andrew Top contributor @Tristis Oris
              last edited by

              @Tristis-Oris This is a known issue from before and not related to CBT backups.

              Message Posting File restore error on LVMs

              File level restoration not working on LVM partition #7029
              (https://github.com/vatesfr/xen-orchestra/issues/7029)

              andrew64k created this issue in vatesfr/xen-orchestra

              open File level restoration not working on LVM partition #7029

              Tristis OrisT 1 Reply Last reply Reply Quote 0
              • Tristis OrisT
                Tristis Oris @Andrew
                last edited by

                @Andrew got it. i miss that ticket.

                1 Reply Last reply Reply Quote 0
                • M
                  manilx @Andrew
                  last edited by

                  @Andrew ext4 or windows

                  1 Reply Last reply Reply Quote 0
                  • F
                    frank-s
                    last edited by

                    Hi, I am running from the sources and I'm almost up to date (991b4) . Can anyone please tell me what this means "Error: can't create a stream from a metadata VDI, fall back to a base". Restarting the backup results in a full backup rather than an incremental.
                    Thanks.

                    436b4e04-ffee-4afe-b605-db05abf63ad3-image.png

                    DanpD 1 Reply Last reply Reply Quote 0
                    • DanpD
                      Danp Vates 🪐 Pro Support Team @frank-s
                      last edited by

                      @frank-s This PR is where the update occurred -- https://github.com/vatesfr/xen-orchestra/pull/7836

                      @florent should be able to explain the meaning.

                      fbeauchamp opened this pull request in vatesfr/xen-orchestra

                      closed feat(nbd-client/multi): harden NBD backups #7836

                      M 1 Reply Last reply Reply Quote 0
                      • M
                        manilx @Danp
                        last edited by

                        Getting coalesce stuck on one SR, NFS share.
                        After running a Continuous Replication job. When I use an internal SSD as the target this does not happen.

                        Jul 26 22:32:19 npb7 SMGC: [2253452] Another GC instance already active, exiting
Jul 26 22:32:19 npb7 SMGC: [2253452] In cleanup
Jul 26 22:32:19 npb7 SMGC: [2253452] SR 0d9e ('TBS-h574TX') (0 VDIs in 0 VHD trees): no changes
Jul 26 22:32:49 npb7 SMGC: [2253692] === SR 0d9ee24c-ea59-e0e6-8c04-a9a65c22f110: gc ===
Jul 26 22:32:49 npb7 SMGC: [2253722] Will finish as PID [2253723]
Jul 26 22:32:49 npb7 SMGC: [2253692] New PID [2253722]
Jul 26 22:32:49 npb7 SMGC: [2253723] Found 0 cache files
Jul 26 22:32:49 npb7 SMGC: [2253723] Another GC instance already active, exiting
Jul 26 22:32:49 npb7 SMGC: [2253723] In cleanup
Jul 26 22:32:49 npb7 SMGC: [2253723] SR 0d9e ('TBS-h574TX') (0 VDIs in 0 VHD trees): no changes
Jul 26 22:33:19 npb7 SMGC: [2253917] === SR 0d9ee24c-ea59-e0e6-8c04-a9a65c22f110: gc ===
Jul 26 22:33:19 npb7 SMGC: [2253947] Will finish as PID [2253948]
Jul 26 22:33:19 npb7 SMGC: [2253917] New PID [2253947]
Jul 26 22:33:19 npb7 SMGC: [2253948] Found 0 cache files
Jul 26 22:33:19 npb7 SMGC: [2253948] Another GC instance already active, exiting
Jul 26 22:33:19 npb7 SMGC: [2253948] In cleanup
Jul 26 22:33:19 npb7 SMGC: [2253948] SR 0d9e ('TBS-h574TX') (0 VDIs in 0 VHD trees): no changes
Jul 26 22:33:49 npb7 SMGC: [2254139] === SR 0d9ee24c-ea59-e0e6-8c04-a9a65c22f110: gc ===
Jul 26 22:33:49 npb7 SMGC: [2254172] Will finish as PID [2254173]
Jul 26 22:33:49 npb7 SMGC: [2254139] New PID [2254172]
Jul 26 22:33:49 npb7 SMGC: [2254173] Found 0 cache files
Jul 26 22:33:49 npb7 SMGC: [2254173] Another GC instance already active, exiting
Jul 26 22:33:49 npb7 SMGC: [2254173] In cleanup
Jul 26 22:33:49 npb7 SMGC: [2254173] SR 0d9e ('TBS-h574TX') (0 VDIs in 0 VHD trees): no changes
Jul 26 22:33:49 npb7 SMGC: [2251795]   Child process completed successfully
Jul 26 22:33:49 npb7 SMGC: [2251795] GC active, quiet period ended
Jul 26 22:33:50 npb7 SMGC: [2251795] SR 0d9e ('TBS-h574TX') (6 VDIs in 5 VHD trees): no changes
Jul 26 22:33:50 npb7 SMGC: [2251795] Got on-boot for 82664934(60.000G/2.914G?): 'persist'
Jul 26 22:33:50 npb7 SMGC: [2251795] Got allow_caching for 82664934(60.000G/2.914G?): False
Jul 26 22:33:50 npb7 SMGC: [2251795] Got other-config for 82664934(60.000G/2.914G?): {'xo:backup:job': '4c084697-6efd-4e35-a4ff-74ae50824c8b', 'xo:backup:datetime': '20240726T20:00:30Z', 'xo:backup:schedule': 'b1cef1e3-e313-409b-ad40-017076f115ce', 'xo:backup:vm': 'd6a5d420-72e6-5c87-a3af-b5eb5c4a44dd', 'xo:backup:sr': '0d9ee24c-ea59-e0e6-8c04-a9a65c22f110', 'content_id': '4be773b3-10dc-9a12-1f82-f575f5f6555b', 'xo:copy_of': 'bb4d2fa2-6241-4856-b196-39f16894f5ef'}
Jul 26 22:33:50 npb7 SMGC: [2251795] Removed vhd-blocks from 82664934(60.000G/2.914G?)
Jul 26 22:33:50 npb7 SMGC: [2251795] Set vhd-blocks = 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 for 82664934(60.000G/2.914G?)
Jul 26 22:33:50 npb7 SMGC: [2251795] Set vhd-blocks = eJz73/7//H+ag8O4pRhobzteMND2N4zaP2o/0eD3ANtPdfBngPPfjxFu/4eBLv9GwcgGDwbW+oFO/w2j9o/aPwpGMGhgGEgwUPbT2/+4Qh8Aq3GH/w== for *d3a809af(60.000G/54.305G?)
Jul 26 22:33:50 npb7 SMGC: [2251795] Num combined blocks = 27750
Jul 26 22:33:50 npb7 SMGC: [2251795] Coalesced size = 54.305G
Jul 26 22:33:50 npb7 SMGC: [2251795] Leaf-coalesce candidate: 82664934(60.000G/2.914G?)
Jul 26 22:33:50 npb7 SMGC: [2251795] SR 0d9e ('TBS-h574TX') (6 VDIs in 5 VHD trees): no changes
Jul 26 22:33:50 npb7 SMGC: [2251795] Got sm-config for *d3a809af(60.000G/54.305G?): {'vhd-blocks': 'eJz73/7//H+ag8O4pRhobzteMND2N4zaP2o/0eD3ANtPdfBngPPfjxFu/4eBLv9GwcgGDwbW+oFO/w2j9o/aPwpGMGhgGEgwUPbT2/+4Qh8Aq3GH/w=='}
Jul 26 22:33:50 npb7 SMGC: [2251795] Got on-boot for 82664934(60.000G/2.914G?): 'persist'
Jul 26 22:33:50 npb7 SMGC: [2251795] Got allow_caching for 82664934(60.000G/2.914G?): False
Jul 26 22:33:50 npb7 SMGC: [2251795] Got other-config for 82664934(60.000G/2.914G?): {'xo:backup:job': '4c084697-6efd-4e35-a4ff-74ae50824c8b', 'xo:backup:datetime': '20240726T20:00:30Z', 'xo:backup:schedule': 'b1cef1e3-e313-409b-ad40-017076f115ce', 'xo:backup:vm': 'd6a5d420-72e6-5c87-a3af-b5eb5c4a44dd', 'xo:backup:sr': '0d9ee24c-ea59-e0e6-8c04-a9a65c22f110', 'content_id': '4be773b3-10dc-9a12-1f82-f575f5f6555b', 'xo:copy_of': 'bb4d2fa2-6241-4856-b196-39f16894f5ef'}
Jul 26 22:33:50 npb7 SMGC: [2251795] Removed vhd-blocks from 82664934(60.000G/2.914G?)
Jul 26 22:33:50 npb7 SMGC: [2251795] Set vhd-blocks = 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 for 82664934(60.000G/2.914G?)
Jul 26 22:33:50 npb7 SMGC: [2251795] Set vhd-blocks = eJz73/7//H+ag8O4pRhobzteMND2N4zaP2o/0eD3ANtPdfBngPPfjxFu/4eBLv9GwcgGDwbW+oFO/w2j9o/aPwpGMGhgGEgwUPbT2/+4Qh8Aq3GH/w== for *d3a809af(60.000G/54.305G?)
Jul 26 22:33:50 npb7 SMGC: [2251795] Num combined blocks = 27750
Jul 26 22:33:50 npb7 SMGC: [2251795] Coalesced size = 54.305G
Jul 26 22:33:50 npb7 SMGC: [2251795] Leaf-coalesce candidate: 82664934(60.000G/2.914G?)
Jul 26 22:33:50 npb7 SMGC: [2251795] Leaf-coalescing 82664934(60.000G/2.914G?) -> *d3a809af(60.000G/54.305G?)
Jul 26 22:33:50 npb7 SMGC: [2251795] SR 0d9e ('TBS-h574TX') (6 VDIs in 5 VHD trees): no changes
Jul 26 22:33:50 npb7 SMGC: [2251795] Got other-config for 82664934(60.000G/2.914G?): {'xo:backup:job': '4c084697-6efd-4e35-a4ff-74ae50824c8b', 'xo:backup:datetime': '20240726T20:00:30Z', 'xo:backup:schedule': 'b1cef1e3-e313-409b-ad40-017076f115ce', 'xo:backup:vm': 'd6a5d420-72e6-5c87-a3af-b5eb5c4a44dd', 'xo:backup:sr': '0d9ee24c-ea59-e0e6-8c04-a9a65c22f110', 'content_id': '4be773b3-10dc-9a12-1f82-f575f5f6555b', 'xo:copy_of': 'bb4d2fa2-6241-4856-b196-39f16894f5ef'}
Jul 26 22:33:50 npb7 SMGC: [2251795]   Running VHD coalesce on 82664934(60.000G/2.914G?)
Jul 26 22:34:02 npb7 SMGC: [2251795] *~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*
Jul 26 22:34:02 npb7 SMGC: [2251795]          ***********************
Jul 26 22:34:02 npb7 SMGC: [2251795]          *  E X C E P T I O N  *
Jul 26 22:34:02 npb7 SMGC: [2251795]          ***********************
Jul 26 22:34:02 npb7 SMGC: [2251795] _doCoalesceLeaf: EXCEPTION <class 'util.SMException'>, Timed out
Jul 26 22:34:02 npb7 SMGC: [2251795]   File "/opt/xensource/sm/cleanup.py", line 2450, in _liveLeafCoalesce
Jul 26 22:34:02 npb7 SMGC: [2251795]     self._doCoalesceLeaf(vdi)
Jul 26 22:34:02 npb7 SMGC: [2251795]   File "/opt/xensource/sm/cleanup.py", line 2484, in _doCoalesceLeaf
Jul 26 22:34:02 npb7 SMGC: [2251795]     vdi._coalesceVHD(timeout)
Jul 26 22:34:02 npb7 SMGC: [2251795]   File "/opt/xensource/sm/cleanup.py", line 934, in _coalesceVHD
Jul 26 22:34:02 npb7 SMGC: [2251795]     self.sr.uuid, abortTest, VDI.POLL_INTERVAL, timeOut)
Jul 26 22:34:02 npb7 SMGC: [2251795]   File "/opt/xensource/sm/cleanup.py", line 189, in runAbortable
Jul 26 22:34:02 npb7 SMGC: [2251795]     raise util.SMException("Timed out")
Jul 26 22:34:02 npb7 SMGC: [2251795]
Jul 26 22:34:02 npb7 SMGC: [2251795] *~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*
Jul 26 22:34:02 npb7 SMGC: [2251795] *** UNDO LEAF-COALESCE
Jul 26 22:34:02 npb7 SMGC: [2251795] *** leaf-coalesce undo successful
Jul 26 22:34:02 npb7 SMGC: [2251795] Got sm-config for 82664934(60.000G/2.914G?): {'paused': 'true', 'vhd-blocks': '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', 'vhd-parent': 'd3a809af-ea4d-438b-a7e3-bc6a125bd35e'}
Jul 26 22:34:02 npb7 SMGC: [2251795] Unpausing VDI 82664934(60.000G/2.914G?)
Jul 26 22:34:02 npb7 SMGC: [2251795] Got sm-config for 82664934(60.000G/2.914G?): {'vhd-blocks': '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', 'vhd-parent': 'd3a809af-ea4d-438b-a7e3-bc6a125bd35e'}
Jul 26 22:34:02 npb7 SMGC: [2251795] In cleanup
Jul 26 22:34:02 npb7 SMGC: [2251795] SR 0d9e ('TBS-h574TX') (6 VDIs in 5 VHD trees): no changes
Jul 26 22:34:02 npb7 SMGC: [2251795] Removed leaf-coalesce from 82664934(60.000G/2.914G?)
Jul 26 22:34:02 npb7 SMGC: [2251795] *~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*
Jul 26 22:34:02 npb7 SMGC: [2251795]          ***********************
Jul 26 22:34:02 npb7 SMGC: [2251795]          *  E X C E P T I O N  *
Jul 26 22:34:02 npb7 SMGC: [2251795]          ***********************
Jul 26 22:34:02 npb7 SMGC: [2251795] leaf-coalesce: EXCEPTION <class 'util.SMException'>, Timed out
Jul 26 22:34:02 npb7 SMGC: [2251795]   File "/opt/xensource/sm/cleanup.py", line 2046, in coalesceLeaf
Jul 26 22:34:02 npb7 SMGC: [2251795]     self._coalesceLeaf(vdi)
Jul 26 22:34:02 npb7 SMGC: [2251795]   File "/opt/xensource/sm/cleanup.py", line 2328, in _coalesceLeaf
Jul 26 22:34:02 npb7 SMGC: [2251795]     return self._liveLeafCoalesce(vdi)
Jul 26 22:34:02 npb7 SMGC: [2251795]   File "/opt/xensource/sm/cleanup.py", line 2450, in _liveLeafCoalesce
Jul 26 22:34:02 npb7 SMGC: [2251795]     self._doCoalesceLeaf(vdi)
Jul 26 22:34:02 npb7 SMGC: [2251795]   File "/opt/xensource/sm/cleanup.py", line 2484, in _doCoalesceLeaf
Jul 26 22:34:02 npb7 SMGC: [2251795]     vdi._coalesceVHD(timeout)
Jul 26 22:34:02 npb7 SMGC: [2251795]   File "/opt/xensource/sm/cleanup.py", line 934, in _coalesceVHD
Jul 26 22:34:02 npb7 SMGC: [2251795]     self.sr.uuid, abortTest, VDI.POLL_INTERVAL, timeOut)
Jul 26 22:34:02 npb7 SMGC: [2251795]   File "/opt/xensource/sm/cleanup.py", line 189, in runAbortable
Jul 26 22:34:02 npb7 SMGC: [2251795]     raise util.SMException("Timed out")
Jul 26 22:34:02 npb7 SMGC: [2251795]
Jul 26 22:34:02 npb7 SMGC: [2251795] *~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*
Jul 26 22:34:02 npb7 SMGC: [2251795] Leaf-coalesce failed on 82664934(60.000G/2.914G?), skipping
Jul 26 22:34:02 npb7 SMGC: [2251795] In cleanup
Jul 26 22:34:02 npb7 SMGC: [2251795] Starting asynch srUpdate for SR 0d9ee24c-ea59-e0e6-8c04-a9a65c22f110
Jul 26 22:34:03 npb7 SMGC: [2251795] SR.update_asynch status changed to [success]
Jul 26 22:34:03 npb7 SMGC: [2251795] SR 0d9e ('TBS-h574TX') (6 VDIs in 5 VHD trees): no changes
Jul 26 22:34:03 npb7 SMGC: [2251795] Got sm-config for *d3a809af(60.000G/54.305G?): {'vhd-blocks': 'eJz73/7//H+ag8O4pRhobzteMND2N4zaP2o/0eD3ANtPdfBngPPfjxFu/4eBLv9GwcgGDwbW+oFO/w2j9o/aPwpGMGhgGEgwUPbT2/+4Qh8Aq3GH/w=='}
Jul 26 22:34:03 npb7 SMGC: [2251795] No work, exiting
Jul 26 22:34:03 npb7 SMGC: [2251795] GC process exiting, no work left
Jul 26 22:34:03 npb7 SMGC: [2251795] In cleanup
Jul 26 22:34:03 npb7 SMGC: [2251795] SR 0d9e ('TBS-h574TX') (6 VDIs in 5 VHD trees): no changes
Jul 26 22:34:19 npb7 SMGC: [2254446] === SR 0d9ee24c-ea59-e0e6-8c04-a9a65c22f110: gc ===
Jul 26 22:34:19 npb7 SMGC: [2254476] Will finish as PID [2254477]
Jul 26 22:34:19 npb7 SMGC: [2254446] New PID [2254476]
Jul 26 22:34:19 npb7 SMGC: [2254477] Found 0 cache files
Jul 26 22:34:19 npb7 SMGC: [2254477] SR 0d9e ('TBS-h574TX') (6 VDIs in 5 VHD trees):
Jul 26 22:34:19 npb7 SMGC: [2254477]         3a763dec(48.002G/29.521G?)
Jul 26 22:34:19 npb7 SMGC: [2254477]         561867f5(20.000G/19.309G?)
Jul 26 22:34:19 npb7 SMGC: [2254477]         ab0314a9(16.000G/7.636G?)
Jul 26 22:34:19 npb7 SMGC: [2254477]         d54d9ec4(24.002G/15.706G?)
Jul 26 22:34:19 npb7 SMGC: [2254477]         *d3a809af(60.000G/54.305G?)
Jul 26 22:34:19 npb7 SMGC: [2254477]             82664934(60.000G/2.914G?)
Jul 26 22:34:19 npb7 SMGC: [2254477]
Jul 26 22:34:19 npb7 SMGC: [2254477] Got on-boot for 82664934(60.000G/2.914G?): 'persist'
Jul 26 22:34:19 npb7 SMGC: [2254477] Got allow_caching for 82664934(60.000G/2.914G?): False
Jul 26 22:34:19 npb7 SMGC: [2254477] Got other-config for 82664934(60.000G/2.914G?): {'xo:backup:job': '4c084697-6efd-4e35-a4ff-74ae50824c8b', 'xo:backup:datetime': '20240726T20:00:30Z', 'xo:backup:schedule': 'b1cef1e3-e313-409b-ad40-017076f115ce', 'xo:backup:vm': 'd6a5d420-72e6-5c87-a3af-b5eb5c4a44dd', 'xo:backup:sr': '0d9ee24c-ea59-e0e6-8c04-a9a65c22f110', 'content_id': '4be773b3-10dc-9a12-1f82-f575f5f6555b', 'xo:copy_of': 'bb4d2fa2-6241-4856-b196-39f16894f5ef'}
Jul 26 22:34:19 npb7 SMGC: [2254477] Removed vhd-blocks from 82664934(60.000G/2.914G?)
Jul 26 22:34:19 npb7 SMGC: [2254477] Set vhd-blocks = 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 for 82664934(60.000G/2.914G?)
Jul 26 22:34:19 npb7 SMGC: [2254477] Set vhd-blocks = eJz73/7//H+ag8O4pRhobzteMND2N4zaP2o/0eD3ANtPdfBngPPfjxFu/4eBLv9GwcgGDwbW+oFO/w2j9o/aPwpGMGhgGEgwUPbT2/+4Qh8Aq3GH/w== for *d3a809af(60.000G/54.305G?)
Jul 26 22:34:19 npb7 SMGC: [2254477] Num combined blocks = 27750
Jul 26 22:34:19 npb7 SMGC: [2254477] Coalesced size = 54.305G
Jul 26 22:34:19 npb7 SMGC: [2254477] Leaf-coalesce candidate: 82664934(60.000G/2.914G?)
Jul 26 22:34:19 npb7 SMGC: [2254477] GC active, about to go quiet
Jul 26 22:34:49 npb7 SMGC: [2254681] === SR 0d9ee24c-ea59-e0e6-8c04-a9a65c22f110: gc ===
Jul 26 22:34:49 npb7 SMGC: [2254715] Will finish as PID [2254716]
Jul 26 22:34:49 npb7 SMGC: [2254681] New PID [2254715]
Jul 26 22:34:49 npb7 SMGC: [2254716] Found 0 cache files
Jul 26 22:34:49 npb7 SMGC: [2254716] Another GC instance already active, exiting
Jul 26 22:34:49 npb7 SMGC: [2254716] In cleanup
Jul 26 22:34:49 npb7 SMGC: [2254716] SR 0d9e ('TBS-h574TX') (0 VDIs in 0 VHD trees): no changes
                        1 Reply Last reply Reply Quote 0
                        • olivierlambertO
                          olivierlambert Vates 🪐 Co-Founder CEO
                          last edited by

                          Because you are writing faster in the VM than the garbage collector can merge/coalesce.

                          You could try to change the leaf coalesce timeout value to see if it's better.

                          R M 2 Replies Last reply Reply Quote 0
                          • R
                            rtjdamen @olivierlambert
                            last edited by rtjdamen

                            @manilx we use belows values:

                            /opt/xensource/sm/cleanup.py :

                            LIVE_LEAF_COALESCE_MAX_SIZE = 1024 * 1024 * 1024 # bytes
                            LIVE_LEAF_COALESCE_TIMEOUT = 300 # seconds

                            Since then we do not see issues like these, leaf coalesce is different from normal coalesce when a snapshot is left behind. I think your problem is:

                            
Problem 2:

Coalesce due to Timed-out:

Example:

Nov 16 23:25:14 vm6 SMGC: [15312] raise util.SMException("Timed out")

Nov 16 23:25:14 vm6 SMGC: [15312]

Nov 16 23:25:14 vm6 SMGC: [15312] *

Nov 16 23:25:14 vm6 SMGC: [15312] *** UNDO LEAF-COALESCE

This is when the VDI is currently under significant IO stress. If possible, take the VM offline and do an offline coalesce or do the coalesce when the VM has less load. Upcoming versions of XenServer will address this issue more efficiently.

                            https://support.citrix.com/s/article/CTX201296-understanding-garbage-collection-and-coalesce-process-troubleshooting?language=en_US

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                            • D
                              Delgado
                              last edited by

                              I have been seeing this error recently. "VDI must be free or attached to exactly one VM" with quite a few snapshots attached to the control domain when I look at the health dashboard. I am not sure if this is related to the cbt backups but wanted to ask. It seems to only being happening on my delta backups that do have cbt enabled.

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                                manilx @olivierlambert
                                last edited by

                                @olivierlambert Actually I don't think this is the case. The VM's are completely idle doing noting.

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                                  manilx @rtjdamen
                                  last edited by

                                  @rtjdamen VM's are idle (there is no doubt here).
                                  Will try these values and see how it goes.

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                                    rtjdamen @manilx
                                    last edited by

                                    @manilx it did wonders at our setup, hope they will help you as well

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                                    • M
                                      manilx @rtjdamen
                                      last edited by

                                      @rtjdamen THX!
                                      I changed /opt/xensource/sm/cleanup.py as per your settings and rebooted (perhaps bot needed).

                                      Looks good. Coalesce finished! Wonder why it did fail, as there was no load on hosts/vm's/nas share....

                                      Will monitor.

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                                      • M
                                        manilx @manilx
                                        last edited by

                                        @manilx P.S: Theses mods do not survive a host update, right?

                                        R A 2 Replies Last reply Reply Quote 0
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                                          rtjdamen @manilx
                                          last edited by

                                          @manilx nope, but i have talked with a dev about it and they are looking to make it a setting somewhere, don’t know the status of that. Good to see this works for you!

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                                            Andrew Top contributor @manilx
                                            last edited by

                                            @manilx I have not tested that, but I would say that's correct. Upgrades are rather destructive for custom changes to system scripts and custom settings. This is to ensure that scripts and settings are set to standard known good values on install or upgrade.

                                            I keep notes on my custom settings/scripts/configs so I can check them after an upgrade or a new install.

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