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Re: LBA to File?

To: Andi Kleen <ak@xxxxxxx>
Subject: Re: LBA to File?
From: Eric Sandeen <sandeen@xxxxxxx>
Date: 06 Mar 2003 17:33:50 -0600
Cc: "Buzbee, James" <James.Buzbee@xxxxxxxxxxxx>, linux-xfs@xxxxxxxxxxx
In-reply-to: <1046992493.1388.235.camel@averell>
References: <3E67BFA7.4080601@xxxxxxxxxxxx> <20030306221631.GA6770@xxxxxxxx> <3E67CB02.2030600@xxxxxxxxxxxx> <1046990328.439.273.camel@xxxxxxxxxxxxxxxxxxxxxx> <3E67D0CE.3080902@xxxxxxxxxxxx> <1046992493.1388.235.camel@averell>
Sender: linux-xfs-bounce@xxxxxxxxxxx
> For that it would be actually nice to have some way to relocate the
> journal offline or better online. Then you could just move the journal
> around a bit once a week and avoid these problems.

That's on the XFS todo list (even documented as "unimplemented" in the
xfs_growfs man page...)  I looked at it a bit, shouldn't be too hard,
but need some time to do it.

Moving it offline is pretty easy, could do it with an xfs_db script
wrapper, I think.

Hm, I suppose that for the truly paranoid, with cheap IDE disks, there
could be an option to rotate an internal log through the AGs each
time you mount.  Of course that would be a lot of space sitting idle
most of the time, but it's probably better than trashing the disk...  :)

-Eric

-- 
Eric Sandeen      XFS for Linux     http://oss.sgi.com/projects/xfs
sandeen@xxxxxxx   SGI, Inc.         651-683-3102


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