After upgrading CentOS from 7.6-1810 to 7.7-1908 we started getting file corruption problems which were traced back to xfs write errors reported in /var/log/messages<br />
The CentOS is hosting a PostgreSQL server with frequent writes and once every 1-2 days writes fail because of the xfs writeback error.<br />
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Downgrading the kernel from 3.10.0-1062 back to 3.10.0-957 seems to solve the problem<br />
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the error logs show<br />
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Dec 14 17:59:30 localhost kernel: sd 2:0:0:0: [sda] FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE<br />
Dec 14 17:59:30 localhost kernel: sd 2:0:0:0: [sda] Sense Key : Illegal Request [current]<br />
Dec 14 17:59:30 localhost kernel: sd 2:0:0:0: [sda] Add. Sense: Invalid command operation code<br />
Dec 14 17:59:30 localhost kernel: sd 2:0:0:0: [sda] CDB: Write(10) 2a 00 12 aa 82 68 00 00 10 00<br />
Dec 14 17:59:30 localhost kernel: blk_update_request: critical target error, dev sda, sector 313164392<br />
Dec 14 17:59:30 localhost kernel: XFS (dm-0): writeback error on sector 312136296<br />
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The system is running in a virtual environment hosted on VMWare ESXi and has a single 500 GB virtual disk attached to a virtual SCSI controller
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