On Thu, Dec 05, 2013 at 02:04:09PM -0600, Greg Oster wrote:
> On Thu, 5 Dec 2013 21:37:53 +0200
> Jarmo Jaakkola <netbsd-us...@roskakori.fi> wrote:
> > Is [RAIDframe only supporting two mirrored components] still valid
> > (NetBSD 6.1.2)?
>
> Yes.
>
> > What would this actually mean?
> It means you should only use 2 components for a RAID 1 set, as using 3
> or more is not currently supported.
Sorry, my meaning didn't come through properly. I meant: If one were
to not heed this advice, what should one expect to happen?
> > Should raidctl barf when trying to create a mirrored set with more
> > than two components?
>
> It probably should, but I'm betting it doesn't. What does your
> RAID config file look like? What does 'raidctl -s' say for the RAID
> set?
The RAID set configured and seems to work just fine except for
the reconstruction problems.
# raidctl -G raid0
# raidctl config file for /dev/rraid0d
START array
# numRow numCol numSpare
1 3 0
START disks
/dev/wd1a
/dev/wd3a
/dev/wd4a
START layout
# sectPerSU SUsPerParityUnit SUsPerReconUnit RAID_level_1
128 1 1 1
START queue
fifo 100
# raidctl -s raid0
Components:
/dev/wd1a: optimal
/dev/wd3a: failed
/dev/wd4a: optimal
No spares.
Component label for /dev/wd1a:
Row: 0, Column: 0, Num Rows: 1, Num Columns: 3
Version: 2, Serial Number: 2013113000, Mod Counter: 67
Clean: No, Status: 0
sectPerSU: 128, SUsPerPU: 1, SUsPerRU: 1
Queue size: 100, blocksize: 512, numBlocks: 130944
RAID Level: 1
Autoconfig: Yes
Root partition: Yes
Last configured as: raid0
/dev/wd3a status is: failed. Skipping label.
Component label for /dev/wd4a:
Row: 0, Column: 2, Num Rows: 1, Num Columns: 3
Version: 2, Serial Number: 2013113000, Mod Counter: 67
Clean: No, Status: 0
sectPerSU: 128, SUsPerPU: 1, SUsPerRU: 1
Queue size: 100, blocksize: 512, numBlocks: 130944
RAID Level: 1
Autoconfig: Yes
Root partition: Yes
Last configured as: raid0
Parity status: clean
Reconstruction is 100% complete.
Parity Re-write is 100% complete.
Copyback is 100% complete.
--
Jarmo Jaakkola
