May 1, 20242 yr Hello I am currently testing unraid to switch from synology (still evaluation license) I have a setup with 1 parity disk and 3 disk (all 4 TB) I have restarted my unraid server and since then all the disk from the array except the parity disk are unmountable The cache disk is still working fine and myother SSD pool is also. I have try xfs_repair by starting the array in maintenance mode last night and I go nothing from the result. Phase 1 - find and verify superblock... couldn't verify primary superblock - not enough secondary superblocks with matching geometry !!! attempting to find secondary superblock... Sorry, could not find valid secondary superblock Exiting now. Trying now without -n Hopefully I have only copied data and nit deleted anything from the synology. I could start again but that worries me a lot to fall into that isssue again with no fallback this time. What shoud I do ? I have read some topics and documentation but did not find any informations yet. Can you help ? naboo-diagnostics-20240501-2217.zip Edited May 1, 20242 yr by geckosplinter add diagnostic + xfs_repair result
May 2, 20242 yr Community Expert Disks are being detected as cleared, post the output of blkid and fdisk -l /dev/sdd
May 3, 20242 yr Author Hello here it is NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTS loop0 7:0 0 63.4M 1 loop /lib loop1 7:1 0 338.8M 1 loop /usr sda 8:0 1 3.8G 0 disk └─sda1 8:1 1 3.8G 0 part /boot sdb 8:16 0 745.2G 0 disk └─sdb1 8:17 0 745.2G 0 part sdc 8:32 0 3.6T 0 disk └─sdc1 8:33 0 2T 0 part sdd 8:48 0 3.6T 0 disk └─sdd1 8:49 0 2T 0 part sde 8:64 0 3.6T 0 disk └─sde1 8:65 0 2T 0 part sdf 8:80 0 3.6T 0 disk └─sdf1 8:81 0 2T 0 part sdg 8:96 1 745.2G 0 disk └─sdg1 8:97 1 745.2G 0 part sdh 8:112 1 119.2G 0 disk └─sdh1 8:113 1 119.2G 0 part md1p1 9:1 0 3.6T 0 md md2p1 9:2 0 3.6T 0 md md3p1 9:3 0 3.6T 0 md root@Naboo:~# fdisk -l /dev/sdd Disk /dev/sdd: 3.64 TiB, 4000787030016 bytes, 7814037168 sectors Disk model: ST4000NE001-2MA1 Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 4096 bytes I/O size (minimum/optimal): 4096 bytes / 4096 bytes Disklabel type: dos Disk identifier: 0x00000000 Device Boot Start End Sectors Size Id Type /dev/sdd1 1 4294967295 4294967295 2T 0 Empty Partition 1 does not start on physical sector boundary.
May 3, 20242 yr Community Expert Solution Does devices are as if they were just precleared and never formatted, if you still have the original data, format the disks and post new diags after that.
May 3, 20242 yr Author I have done the pre clean and formatted the drive at the start. I guess I will format again and post the diag yes
May 3, 20242 yr Community Expert Are you absolutely sure the disks were formatted? The diags you posted also have the previous syslog, from the previous boot, and it also shows the disks in the same state, cleared but not formatted, only the pools were formatted.
May 3, 20242 yr Author Pretty sure yes. I tried Unraid then TrueNas and back to Unraid (easier extension for disk), since the filesystem is not the same XFS vs ZFS Here is the diag after format naboo-diagnostics-20240503-2030.zip
May 4, 20242 yr Community Expert Disks appear to have been formatted correctly, but because of the previous issue, reboot now to make sure they come OK after.
May 5, 20242 yr Author Ok I have now 6To move to the unraid And I have done few reboot everything looks ok. Thanks for the help
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