From: Andreas Dilger <adilger@clusterfs.com>
To: Jeff Zheng <Jeff.Zheng@endace.com>
Cc: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org
Subject: Re: Software raid0 will crash the file-system, when each disk is 5TB
Date: Wed, 16 May 2007 08:04:52 -0600 [thread overview]
Message-ID: <20070516140452.GC5286@schatzie.adilger.int> (raw)
In-Reply-To: <659F626D666070439A4A5965CD6EBF406836C6@gazelle.ad.endace.com>
On May 16, 2007 11:09 +1200, Jeff Zheng wrote:
> We are using two 3ware disk array controllers, each of them is connected
> 8 750GB harddrives. And we build a software raid0 on top of that. The
> total capacity is 5.5TB+5.5TB=11TB
>
> We use jfs as the file-system, we have a test application that write
> data continuously to the disks. After writing 52 10GB files, jfs
> crashed. And we are not able to recover it, fsck doesn't recognise it
> anymore.
> We then tried xfs, same application, lasted a little longer, but gives
> kernel crash later.
Check if your kernel has CONFIG_LBD enabled.
The kernel doesn't check if the block layer can actually write to
a block device > 2TB.
Cheers, Andreas
--
Andreas Dilger
Principal Software Engineer
Cluster File Systems, Inc.
next prev parent reply other threads:[~2007-05-16 14:04 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-15 23:09 Software raid0 will crash the file-system, when each disk is 5TB Jeff Zheng
2007-05-15 23:29 ` Michal Piotrowski
2007-05-16 0:03 ` Neil Brown
2007-05-16 1:56 ` Jeff Zheng
2007-05-16 17:28 ` Bill Davidsen
2007-05-16 17:58 ` david
2007-05-17 0:48 ` Neil Brown
2007-05-17 2:09 ` Jeff Zheng
2007-05-17 2:45 ` Neil Brown
2007-05-17 3:11 ` Jeff Zheng
2007-05-17 4:32 ` Neil Brown
2007-05-17 5:08 ` Jeff Zheng
2007-05-17 4:45 ` david
2007-05-17 5:03 ` Neil Brown
2007-05-17 5:31 ` Neil Brown
2007-05-17 5:38 ` Jeff Zheng
2007-05-17 22:55 ` Jeff Zheng
2007-05-18 0:21 ` Neil Brown
2007-05-22 21:31 ` Bill Davidsen
2007-05-16 14:04 ` Andreas Dilger [this message]
2007-05-16 18:04 ` david
2007-05-16 18:16 ` Jan Engelhardt
2007-05-16 21:42 ` Jeff Zheng
2007-05-17 7:21 ` Jan Engelhardt
2007-05-17 11:11 ` Neil Brown
2007-05-17 15:30 ` Jan Engelhardt
2007-05-16 21:44 ` Jeff Zheng
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