Re: Problems talking to disks behind PERC adapter

On 05-Jun-2017 16:20, mathog wrote:
> Read Device Identity failed: megasas_cmd result: 0.0 = 0/45
> 
> ./smartctl --scan
> /dev/sda -d scsi # /dev/sda, SCSI device
> /dev/bus/0 -d megaraid,0 # /dev/bus/0 [megaraid_disk_00], SCSI device
> /dev/bus/0 -d megaraid,1 # /dev/bus/0 [megaraid_disk_01], SCSI device
> /dev/bus/0 -d megaraid,2 # /dev/bus/0 [megaraid_disk_02], SCSI device
> /dev/bus/0 -d megaraid,3 # /dev/bus/0 [megaraid_disk_03], SCSI device
> /dev/bus/0 -d megaraid,4 # /dev/bus/0 [megaraid_disk_04], SCSI device
> /dev/bus/0 -d megaraid,5 # /dev/bus/0 [megaraid_disk_05], SCSI device
> /dev/bus/0 -d megaraid,6 # /dev/bus/0 [megaraid_disk_06], SCSI device
> /dev/bus/0 -d megaraid,7 # /dev/bus/0 [megaraid_disk_07], SCSI device


Figured it out, the syntax needed is:

  smartctl -a /dev/sda -d megaraid,0

the other machines have a "sat+" immediately before the megaraid.  These 
don't, probably because the disks are SAS.

Regards,

David Mathog
[email protected]
Manager, Sequence Analysis Facility, Biology Division, Caltech

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