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Re: Help with XFS

To: xfs@xxxxxxxxxxx
Subject: Re: Help with XFS
From: Michael Monnerie <michael.monnerie@xxxxxxxxxxxxxxxxxxx>
Date: Sat, 19 Jun 2010 10:29:39 +0200
In-reply-to: <20100618185223.60119f36@xxxxxxxxxxxxxxxxxxxx>
Organization: it-management http://it-management.at
References: <OF4967B99D.609CC213-ONC1257745.0048E646-C1257745.004919A3@xxxxxxxxxxxx> <201006181843.01755@xxxxxx> <20100618185223.60119f36@xxxxxxxxxxxxxxxxxxxx>
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On Freitag, 18. Juni 2010 Emmanuel Florac wrote:
> > You have the money for a IBM DS4700 (costs with disk >15.000€), but
> > not for 4 cheap 2TB SATA disks to at least copy the data there?
> > That would have cost <500€.
> This isn't very helpful. Advice to everyone : read the tao of backup
> ( http://www.taobackup.com ). Old, funny and still right on.
I didn't say it's a backup solution. It's the simplest form of keeping 
data, and would have helped here. 

We tend to do backup-to-disk and then disk-to-tape, which until now is 
superior to just backup-to-tape. It speeds up backup and restore time, 
even when "just" using simple 2TB SATA drives (in RAID-5 arrays). The 
following disk-to-tape runs without any start/stop cycles of the tape 
(mostly LTO4 now), leading to much longer tape and tape drive lifetimes 
than before.

mit freundlichen Grüssen,
Michael Monnerie, Ing. BSc

it-management Internet Services
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