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ISCSI Message: Unsupported SCSI Opcode 0x85

Hi,

what means this message in dmesg, shall we worry about this? There are many of them.

[230420.523333] iSCSI/iqn.1998-01.com.vmware:host-4d3bf007: Unsupported SCSI Opcode 0x85, sending CHECK_CONDITION.

Regards,

Dennis

I found it myself. Seems to be a bug in Smartd in ESX, see:

Recent ESXi 6 Storage Bugs and the FlashArray

and

https://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=2133286

Solution(on ESX):

/etc/init.d/smartd stop

chkconfig smartd off

Regards,

Dennis

 

Thanks a lot for sharing this info 🙂