October 17, 20205 yr I had to move my Array of 1 parity 4 disks to new motherboard after motherboard failure. New Motherboard only has 4 SATA ports and 1 NVMe port, I had to leave out disk4 out of the new array so I copied all disk 4 data to disk 3 using krusader On the new motherboard the cache drive is a 1 drive 256GB NVMe, I will be getting a 8-port PCI-e SATA card soon to give me more ports for HDD's and SATA Cache drives. When I try mount the array disk1 shows up with unreadable file system error and when I run xfs_repair -v /dev/md1 I get the following Phase 1 - find and verify superblock... superblock read failed, offset 0, ag 0, rval -1 fatal error -- Input/output error After a couple of days reading the forms and getting nowhere I need some help tower-diagnostics-20201017-1550.zip
October 17, 20205 yr Community Expert Your syslog shows continual errors on disk1. I would suggest that you need to carefully checks the power/SATA cables as being the most likely cause of the errors.
October 31, 20205 yr Author After I fixed the SATA cable issue, I ran the xfs_repair -v /dev/md1 again, no disk errors The xfs_repair operation ran successfully and repaired the disk. I took the array out of maintenance mode and started up the Array normally, the Array is back working now.
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