On Thu, Mar 26, 2009 at 02:52:47PM -0500, Billy Crook wrote:
> I saw this post by Sam Hopkins indicating that there would eventually
> be support for aoe in smartctl.  That was in 2004.
> http://osdir.com/ml/linux.utilities.smartmontools/2004-12/msg00003.html
> 
> I'm running smartmontools release 5.38 dated 2008/03/10 at 10:44:07
> GMT, but the only options listed for -d are ata, scsi, marvell, sat,
> 3ware,N, hpt,L/M/N cciss,N.  Am I missing something or did aoe never
> make it in to my smartmontools?

I have a partial implementation of a patch to aoe6-70 that would pass
SMART commands to AoE targets when a process does the HDIO_DRIVE_CMD
ioctl with ATA_CMD_SMART commands that don't overload the sector count
and don't get or put more than a kilobyte of data.

I can only work on it occasionally, but I am making progress, and
there's one volunteer ready for beta testing already.  When it's ready
the patch will be posted on the "aoe Proving Grounds" blog.

The volunteer has some Welland boxes that can pass the SMART commands
to their attached PATA drive.  Only folks with AoE targets like that
will be interested in this patch.  Some AoE targets aren't backed by a
real ATA device---instead they're backed by an abstraction (like a
RAID of disks) or a file in a filesystem.  For those targets, passing
through SMART isn't a good fit.

-- 
  Ed Cashin <ecas...@coraid.com>
  Find experimental aoe Linux driver patches at
  http://coraid.typepad.com/aoe_linux_proving_grounds/

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