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Re: config question (external raid, external log?)

To: linux-xfs@xxxxxxxxxxx
Subject: Re: config question (external raid, external log?)
From: Robert Sander <ml-linux-xfs@xxxxxxxxxxxxxxx>
Date: Mon, 27 May 2002 19:14:26 +0000 (UTC)
Organization: Epigenomics AG
References: <news2mail-slrnaf3t7i.c3t.gurubert-news@xxxxxxxxxxxxxxxxxxxxx> <20020527182135.A27956@xxxxxxxxxx>
Reply-to: Robert Sander <gurubert-news@xxxxxxxxxxxxxxx>
Sender: owner-linux-xfs@xxxxxxxxxxx
User-agent: slrn/0.9.7.3 (Linux)
On Mon, 27 May 2002 16:36:24 +0000 (UTC),
 utz lehmann <xfs@xxxxxxxxxx> wrote:
> A warning. All SCSI to IDE RAID Systems i know have non battery backuped
> cache. In the case of a power outage all unwritten data (and filesystem
> metadata) in the RAID cache is lost. This cause filesystem corruption.
> Running a journaled fs with a volatile cache is not recomended.

Thanks for the warning but the system will have a UPS with enough
capacity to savely shutdown if the power does not return within 5
minutes.

Greetings
-- 
Robert Sander
Manager
Information Systems        www.epigenomics.com        Kastanienallee 24
+493024345330                                              10435 Berlin


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