Re: RAID1 over aoe devices freezes cp-procs on failure of one aoe device

[Gabor Gombas <gombasg@xxxxxxxxx>]

On Thu, Jun 05, 2008 at 04:25:02PM +0200, Lars Täuber wrote:

> The lost aoe-device is correctly marked as faulty but the the raid is
> not usable for a copying processes any more although the remaining
> device should be enough for a RAID1. There was no change after
> removing the faulty device from md9.
> 
> Is it possible that one faulty aoe-device blocks the aoe-module anyhow
> so that all other aoe devices aren't accessible anymore? Or is the
> RAID subsystem responsible for this?

It should be easy to test: when the RAID hangs, try to read directly
from the remaining device ("dd if=/dev/etherd/e11.1 ..."). If that also
hangs, then it is an AoE issue.

Gabor

-- 
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     MTA SZTAKI Computer and Automation Research Institute
                Hungarian Academy of Sciences
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