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Re: creating a new 80 TB XFS

To: stan@xxxxxxxxxxxxxxxxx
Subject: Re: creating a new 80 TB XFS
From: Emmanuel Florac <eflorac@xxxxxxxxxxxxxx>
Date: Sun, 26 Feb 2012 17:08:20 +0100
Cc: xfs@xxxxxxxxxxx
In-reply-to: <4F499F81.7080305@xxxxxxxxxxxxxxxxx>
Organization: Intellique
References: <4F478818.4050803@xxxxxxxxxxxxxxxxx> <20120224150805.243e4906@xxxxxxxxxxxxxxxxxxxx> <4F47B020.4000202@xxxxxxxxxxxxxxxxx> <20297.22833.759182.360340@xxxxxxxxxxxxxxxxxx> <4F499F81.7080305@xxxxxxxxxxxxxxxxx>
Le Sat, 25 Feb 2012 20:57:05 -0600 vous écriviez:

> As others mentioned, an xfs_[check|repair] can take many hours or even
> days on a multi-terabyte huge metadata filesystem. 

Just nitpicking, but I never had such a problem. I've run quite a lot
of xfs_repair on 40TB+ filesystems, and it rarely was longer than 10 to
20 minutes. The important part is having enough RAM if the system hits
swap it makes the check much slower).

Emmanuel Florac     |   Direction technique
                    |   Intellique
                    |   <eflorac@xxxxxxxxxxxxxx>
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