linux-ext4 - Re: [PATCH 3/3] Add timeout feature

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Date:	Wed, 09 Jul 2008 10:13:19 -0400
From:	jim owens <jowens@...com>
To:	linux-fsdevel@...r.kernel.org
CC:	Dave Chinner <david@...morbit.com>, Theodore Tso <tytso@....edu>,
	Arjan van de Ven <arjan@...radead.org>,
	Miklos Szeredi <miklos@...redi.hu>, hch@...radead.org,
	pavel@...e.cz, t-sato@...jp.nec.com, akpm@...ux-foundation.org,
	viro@...IV.linux.org.uk, linux-ext4@...r.kernel.org,
	xfs@....sgi.com, dm-devel@...hat.com, linux-kernel@...r.kernel.org,
	axboe@...nel.dk, mtk.manpages@...glemail.com
Subject: Re: [PATCH 3/3] Add timeout feature

Oops..

 > 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!

jim
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