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Cisco Bug: CSCvi24092 - 10TB HDDs generating task abort errors in Linux

Last Modified

Aug 13, 2019

Products (1)

  • Cisco Unified Computing System

Known Affected Releases

3.0(3a)

Description (partial)

Symptom:
The OS messages file shows "task abort" messages and "cdb: write" messages after creating the filesystem.

/var/log/messages:
[Sat Feb  3 12:52:36 2018] sd 0:0:4:0: attempting task abort! scmd(ffff880df57e5c00)
[Sat Feb  3 12:52:36 2018] sd 0:0:4:0: [sde] CDB: Write(16) 8a 00 00 00 00 02 29 40 08 00 00 00 00 08 00 00
[Sat Feb  3 12:52:36 2018] scsi target0:0:4: handle(0x000e), sas_address(0x5000cca251d02491), phy(4)
[Sat Feb  3 12:52:36 2018] scsi target0:0:4: enclosure logical id(0x5843dc66f005aabf), slot(5)
[Sat Feb  3 12:52:36 2018] scsi target0:0:4: enclosure level(0x0000), connector name(     )
[Sat Feb  3 12:52:36 2018] sd 0:0:4:0: task abort: SUCCESS scmd(ffff880df57e5c00) 

Actual I/O impact to the OS is unknown.

Conditions:
UCS C-series servers using the following HDDs:
UCS-HD10T7KEM (10 TB 12G SAS 7.2K RPM LFF HDD (512e))
UCS-HD10T7KL4K (10 TB 12G SAS 7.2K RPM LFF HDD (4K sector format))
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