ZFS-8000-8A: assistance needed

[Jan Bramkamp]

On 08/09/16 16:01, Maurizio Vairani wrote:
> Il 08/09/2016 15:16, Ruslan Makhmatkhanov ha scritto:
>> Maurizio Vairani wrote on 09/08/2016 15:55:
>>> Il 08/09/2016 13:46, Ruslan Makhmatkhanov ha scritto:
>>>> Maurizio, much thanks for your answers. It made some things clearer,
>>>> but some are still isn't. Please see my comments inline:
>>>>
>>>> I checked the disks with that labels and all of them seems ok:
>>>>
>>>> gpart show excerpt:
>>>> """
>>>> Geom name: mfid2
>>>> 1. Name: mfid2p1
>>>>    label: drive-07
>>>> Geom name: mfid3
>>>> 1. Name: mfid3p1
>>>>    label: drive-08
>>>> Geom name: mfid4
>>>> 1. Name: mfid4p1
>>>>    label: drive-09
>>>> """
>>>>
>>>> I checked them all with smartctl -a -d sat /dev/pass2[3,4] and got
>>>>
>>>> """
>>>> SMART Status not supported: ATA return descriptor not supported by
>>>> controller firmware
>>>> SMART overall-health self-assessment test result: PASSED
>>>> """
>>>>
>>>> And they also seems ok in mfiutil:
>>>> root:~ # mfiutil show volumes
>>>> mfi0 Volumes:
>>>>   Id     Size    Level   Stripe  State   Cache   Name
>>>>  mfid0 (  838G) RAID-0     256K OPTIMAL Disabled
>>>>  mfid1 (  838G) RAID-0     256K OPTIMAL Disabled
>>>>  mfid2 (  476G) RAID-0     256K OPTIMAL Disabled
>>>>  mfid3 (  476G) RAID-0     256K OPTIMAL Disabled
>>>>  mfid4 (  476G) RAID-0     256K OPTIMAL Disabled
>>>>  mfid5 (  167G) RAID-0      64K OPTIMAL Writes
>>>>  mfid6 (  167G) RAID-0      64K OPTIMAL Writes
>>>>  mfid7 (  476G) RAID-0      64K OPTIMAL Writes
>>>>
>>>> I only wasn't able to read the smart status of mfid0/mfid1 (they are
>>>> SCSI-6 drives according to mfiutil):
>>>>
>>>> smartctl -d scsi -a /dev/pass0[1]
>>>> Standard Inquiry (36 bytes) failed [Input/output error]
>>>> Retrying with a 64 byte Standard Inquiry
>>>> Standard Inquiry (64 bytes) failed [Input/output error]
>>>>
>>>> But I'm not sure if I'm using correct type in -d switch (tried all of
>>>> them). This drives doesn't seems participate in that zpool, but I'm
>>>> interested in checking them too.
>>>>
>>> I don't know  the  LSI MegaRAID SAS controller but  according to
>>> https://www.smartmontools.org/wiki/Supported_RAID-Controllers
>>> seems it is supported in FreeBSD. But what is the output of the command
>>> "smartctl --scan" ?
>>>
>>> Regards,
>>> Maurizio
>>
>> Sure, it is supported.
>>
>> root@:/var/log# smartctl --scan
>> /dev/ses0 -d atacam # /dev/ses0, ATA device
>> /dev/pass1 -d scsi # /dev/pass1, SCSI device
>> /dev/pass2 -d scsi # /dev/pass2, SCSI device
>> /dev/pass3 -d scsi # /dev/pass3, SCSI device
>> /dev/pass4 -d scsi # /dev/pass4, SCSI device
>> /dev/pass5 -d scsi # /dev/pass5, SCSI device
>> /dev/pass6 -d scsi # /dev/pass6, SCSI device
>> /dev/pass7 -d scsi # /dev/pass7, SCSI device
>> /dev/pass8 -d scsi # /dev/pass8, SCSI device
>>
>> While
>> root@:/var/log# ls -1 /dev/ | grep pass
>> pass0
>> pass1
>> pass2
>> pass3
>> pass4
>> pass5
>> pass6
>> pass7
>> pass8
>>
>> root@:/var/log# ls -1 /dev/| grep mfid
>> mfid0
>> mfid0p1
>> mfid0p2
>> mfid0p3
>> mfid1
>> mfid1p1
>> mfid1p2
>> mfid1p3
>> mfid2
>> mfid2p1
>> mfid3
>> mfid3p1
>> mfid4
>> mfid4p1
>> mfid5
>> mfid6
>> mfid7
>> mfid7p1
>>
>> So it looks like mfid0 != pass0. And actually pass1 is an interface
>> for mfid0? Right?
>>
> Yes, seems to me too.
>
> But, unfortunately, "mrsas (4) does not allow smartctl to access
> S.M.A.R.T data from physical drive hidden under /dev/daX"

He's using the older mfi driver instead of the mrsas driver, because 
otherwise the volumes would show up as da* instead of mfid*.