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Re: [PATCH 3/3] Add timeout feature

To: linux-fsdevel@xxxxxxxxxxxxxxx
Subject: Re: [PATCH 3/3] Add timeout feature
From: jim owens <jowens@xxxxxx>
Date: Wed, 09 Jul 2008 10:13:19 -0400
Cc: Dave Chinner <david@xxxxxxxxxxxxx>, Theodore Tso <tytso@xxxxxxx>, Arjan van de Ven <arjan@xxxxxxxxxxxxx>, Miklos Szeredi <miklos@xxxxxxxxxx>, hch@xxxxxxxxxxxxx, pavel@xxxxxxx, t-sato@xxxxxxxxxxxxx, akpm@xxxxxxxxxxxxxxxxxxxx, viro@xxxxxxxxxxxxxxxxxx, linux-ext4@xxxxxxxxxxxxxxx, xfs@xxxxxxxxxxx, dm-devel@xxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, axboe@xxxxxxxxx, mtk.manpages@xxxxxxxxxxxxxx
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> WHY A TIMEOUT - need a way for operator to abort the
> freeze

instead of "abort" I should have said "limit" because
it is really proactive control (so they will not get
called in the middle of the night by pissed users).

I forgot to make it clear that TIMEOUT is the same as AUTO-THAW
in logging errors so the adnin knows they have a bad snapshot and
can do it again.

I also forgot to say that our customers all say they can deal
with retrying a snapshot, but not with unknown bad snapshots
and most definitely not with killing their 24/7 operations!


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