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List:       npaci-rocks-discussion
Subject:    [Rocks-Discuss]Re: Huge 1.2TB partition
From:       Mark Overmeer <Mark () Overmeer ! net>
Date:       2004-09-25 8:01:08
Message-ID: 20040925100108.A7908 () speeltuin ! ATComputing ! nl
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* Stas Nikiforov (stas@itam.nsc.ru) [040924 11:50]:
> I have RAID 5 6x250 SATA storage.
> Is it a good idea to have one huge partition
> or it is better to split it on smaller logical drives and then use LVM,
> for example?
> 
> In any way, what is a preferred filesystem for this storage?
> I plan to use it as a mass storage for CFD results.

I run a disk-set of 4x250 SATA with an Adaptec 2410SA and
      a disk-set of 8x250 SATA with an Adaptec 2810SA.

In both cases, I have a small disk aside, which I use for the OS, log-
files and such.  The array is dedicated to my data: satellite images.

Usually, having one partition is best,  certainly with a file-system
which is tuned on large disk-sets.  I choose XFS, which is capable of
handing much larger partitions.  It runs currently on SuSE9.0 with
recent 2.6 kernels.

My selection is not based on performance tests: the I/O bandwidth of
the PCI-bus is my bottleneck.  But in my case counts: as long as it
is faster than a tape-archive..... and cheap
-- 
               MarkOv

------------------------------------------------------------------------
drs Mark A.C.J. Overmeer                                MARKOV Solutions
       Mark@Overmeer.net                          solutions@overmeer.net
http://Mark.Overmeer.net                   http://solutions.overmeer.net

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