Unaligned access to disks in k8s-hpwren-01.sdsc.optiputer.net
i also having some troubles with k8s-hpwren-01.sdsc.optiputer.net, i will review it a bit later.. but seeing this errors while trying to bring up:
[Sat Jun 29 16:05:58 2019] print_req_error: I/O error, dev sdo, sector 23437770360 flags 80700
[Sat Jun 29 16:05:58 2019] sd 11:0:8:0: [sdm] Unaligned partial completion (resid=2048, sector_sz=4096)
[Sat Jun 29 16:05:58 2019] sd 11:0:8:0: [sdm] tag#1821 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[Sat Jun 29 16:05:58 2019] sd 11:0:8:0: [sdm] tag#1821 Sense Key : Aborted Command [current] [descriptor]
[Sat Jun 29 16:05:58 2019] sd 11:0:8:0: [sdm] tag#1821 Add. Sense: Nak received
[Sat Jun 29 16:05:58 2019] sd 11:0:8:0: [sdm] tag#1821 CDB: Read(10) 28 00 00 00 00 40 00 00 40 00
[Sat Jun 29 16:05:58 2019] print_req_error: I/O error, dev sdm, sector 512 flags 80700
[Sat Jun 29 16:05:58 2019] sd 11:0:8:0: [sdm] Unaligned partial completion (resid=10240, sector_sz=4096)
[Sat Jun 29 16:05:58 2019] sd 11:0:8:0: [sdm] Unaligned partial completion (resid=2048, sector_sz=4096)
[Sat Jun 29 16:05:58 2019] sd 11:0:8:0: [sdm] Unaligned partial completion (resid=27648, sector_sz=4096)
Possibly SAS controller related issue. Maybe we need to update the firmware. Need to research, but EdgeFS raw disk driver designed to avoid unaligned access. Partial completion could be related to the issue with SAS controller. Need to confirm.