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List:       freebsd-fs
Subject:    Re: LSI 9260: is there a way to configure it JBOD like mps?
From:       devnullius <devnullius () gmail ! com>
Date:       2015-12-26 19:57:03
Message-ID: 1451159823771-6063032.post () n5 ! nabble ! com
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I also got this info from Michelle (thanks!)


Michelle Sullivan wrote
> Well depends on your RAID level of zfs...
> 
> On my system I have 16 x 3T drives and all are config'd as RAID0 then I
> have zraid2 for 15 of the disks and the remainder is set to be a spare.
> 
> ...and that all looks like:
> 
> $ zpool status -v
> pool: storage
> state: ONLINE
> scan: scrub in progress since Sun Dec 20 00:00:01 2015
> 8.13T scanned out of 28.5T at 28.5M/s, 208h38m to go
> 0 repaired, 28.49% done
> config:
> 
> NAME        STATE     READ WRITE CKSUM
> storage     ONLINE       0     0     0
> raidz2-0  ONLINE       0     0     0
> mfid10  ONLINE       0     0     0
> mfid8   ONLINE       0     0     0
> mfid12  ONLINE       0     0     0
> mfid0   ONLINE       0     0     0
> mfid14  ONLINE       0     0     0
> mfid15  ONLINE       0     0     0
> mfid1   ONLINE       0     0     0
> mfid7   ONLINE       0     0     0
> mfid2   ONLINE       0     0     0
> mfid9   ONLINE       0     0     0
> mfid3   ONLINE       0     0     0
> mfid4   ONLINE       0     0     0
> mfid5   ONLINE       0     0     0
> mfid6   ONLINE       0     0     0
> mfid11  ONLINE       0     0     0
> spares
> mfid13    AVAIL
> 
> errors: No known data errors

It still feels like I should anticipate a lot of problems, assuming worst
case scenarios... So I'm gonna look for one of these cards instead and rule
out all risks...:
https://forums.freenas.org/index.php?threads/it-mode-firmware-for-lsi-megaraid-sas-9260-4i.40093/
 (currently in moderation)



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