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    Pool Master

    Scheduled Pinned Locked Moved XCP-ng
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    • R Offline
      rustylh
      last edited by

      I need to reboot one of my host servers which is the pool master. There are no VMs on it. I went to Change the pool master to another server last night and got the error "Internal Error - Missing Column". The Pool master has been updated along with 2 (Out of 4 total) of the other host have been updated. The host than I am trying to move the pool master to is up to date as well.

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      • olivierlambertO Offline
        olivierlambert Vates 🪐 Co-Founder CEO
        last edited by

        Hi,

        You don't switch the master while doing upgrades in a pool. Just reboot it.

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        • R Offline
          rustylh @olivierlambert
          last edited by

          @olivierlambert Ok, just reboot the master won't cause any issues?

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          • olivierlambertO Offline
            olivierlambert Vates 🪐 Co-Founder CEO
            last edited by

            No, it's perfectly fine to reboot the master. Obviously, without HA enabled on the pool.

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            • R Offline
              rustylh
              last edited by

              Ok. Thank you, I appreciate it!

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              • R Offline
                rustylh @rustylh
                last edited by Danp

                I rebooted the pool master. Even though it looks like it came up ok it is not connected to storage. In xcp-ng center it is showing a red X for the SR and this is the errors in dmesg.

                [Tue Jul  8 14:43:19 2025] Loading iSCSI transport class v2.0-870.
                [Tue Jul  8 14:43:19 2025] iscsi: registered transport (tcp)
                [Tue Jul  8 14:43:20 2025] scsi host7: iSCSI Initiator over TCP/IP
                [Tue Jul  8 14:43:20 2025] scsi 7:0:0:1: Direct-Access     SYNOLOGY Storage          4.0  PQ: 0 ANSI: 5
                [Tue Jul  8 14:43:20 2025] scsi 7:0:0:1: alua: supports implicit TPGS
                [Tue Jul  8 14:43:20 2025] scsi 7:0:0:1: alua: device naa.60014059c706a83d1e77d47a8da5c5d1 port group 0 rel port 1
                [Tue Jul  8 14:43:20 2025] sd 7:0:0:1: Attached scsi generic sg1 type 0
                [Tue Jul  8 14:43:20 2025] sd 7:0:0:1: alua: transition timeout set to 60 seconds
                [Tue Jul  8 14:43:20 2025] sd 7:0:0:1: alua: port group 00 state A non-preferred supports TOlUSNA
                [Tue Jul  8 14:43:25 2025] sd 7:0:0:1: [sdb] 26109542400 512-byte logical blocks: (13.4 TB/12.2 TiB)
                [Tue Jul  8 14:43:25 2025] sd 7:0:0:1: [sdb] Write Protect is off
                [Tue Jul  8 14:43:25 2025] sd 7:0:0:1: [sdb] Mode Sense: 43 00 10 08
                [Tue Jul  8 14:43:25 2025] sd 7:0:0:1: [sdb] Write cache: enabled, read cache: enabled, supports DPO and FUA
                [Tue Jul  8 14:43:25 2025] sd 7:0:0:1: [sdb] Attached SCSI disk
                [Tue Jul  8 14:43:26 2025] sd 7:0:0:1: [sdb] Synchronizing SCSI cache
                [Tue Jul  8 14:43:32 2025] Buffer I/O error on dev sdb, logical block 3263692798, async page read
                [Tue Jul  8 14:43:32 2025] scsi 7:0:0:1: alua: Detached
                [Tue Jul  8 14:43:40 2025] scsi host7: iSCSI Initiator over TCP/IP
                [Tue Jul  8 14:43:40 2025] scsi 7:0:0:1: Direct-Access     SYNOLOGY Storage          4.0  PQ: 0 ANSI: 5
                [Tue Jul  8 14:43:40 2025] scsi 7:0:0:1: alua: supports implicit TPGS
                [Tue Jul  8 14:43:40 2025] scsi 7:0:0:1: alua: device naa.60014059c706a83d1e77d47a8da5c5d1 port group 0 rel port 1
                [Tue Jul  8 14:43:40 2025] sd 7:0:0:1: Attached scsi generic sg1 type 0
                [Tue Jul  8 14:43:40 2025] sd 7:0:0:1: alua: transition timeout set to 60 seconds
                [Tue Jul  8 14:43:40 2025] sd 7:0:0:1: alua: port group 00 state A non-preferred supports TOlUSNA
                [Tue Jul  8 14:43:46 2025] sd 7:0:0:1: [sdb] 26109542400 512-byte logical blocks: (13.4 TB/12.2 TiB)
                [Tue Jul  8 14:43:46 2025] sd 7:0:0:1: [sdb] Write Protect is off
                [Tue Jul  8 14:43:46 2025] sd 7:0:0:1: [sdb] Mode Sense: 43 00 10 08
                [Tue Jul  8 14:43:46 2025] sd 7:0:0:1: [sdb] Write cache: enabled, read cache: enabled, supports DPO and FUA
                [Tue Jul  8 14:43:49 2025] ldm_validate_partition_table(): Disk read failed.
                [Tue Jul  8 14:43:49 2025]  sdb: unable to read partition table
                [Tue Jul  8 14:43:49 2025] sd 7:0:0:1: [sdb] Attached SCSI disk
                [Tue Jul  8 14:43:49 2025] sd 7:0:0:1: [sdb] Synchronizing SCSI cache
                [Tue Jul  8 14:43:49 2025] scsi 7:0:0:1: alua: Detached
                
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                • olivierlambertO Offline
                  olivierlambert Vates 🪐 Co-Founder CEO
                  last edited by

                  You have an issue with your storage configuration. It's hard to tell more without knowing more or digging more.

                  R 1 Reply Last reply Reply Quote 0
                  • R Offline
                    rustylh @olivierlambert
                    last edited by

                    @olivierlambert Dang ok. I waited a few minute then clicked the Connect in XOA for that host and it connected. Not sure what to do really.

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