From: "Heinz J . Mauelshagen" <mauelshagen@sistina.com>
To: linux-lvm@sistina.com
Subject: Re: [linux-lvm] performance tests
Date: Fri Apr 25 04:44:01 2003 [thread overview]
Message-ID: <20030425113824.D16006@sistina.com> (raw)
In-Reply-To: <3EA6C508.9020702@roma2.infn.it>; from roberto.ammendola@roma2.infn.it on Wed, Apr 23, 2003 at 06:53:28PM +0200
Roberto,
creating a striped logical volume with the stripe size equal to the block
size of the filesystem should give you the best performamce presuming that
you don't have some bus bottleneck.
On Wed, Apr 23, 2003 at 06:53:28PM +0200, Roberto Ammendola wrote:
> Hi list,
> I would like to hear some opinions about a configuration: I have a dual
> Xeon with 2 RAID5 HW controllers, so that from the OS side I have two
> SCSI disks. I am trying different configurations to see which one has
> the best performances. The machine will be a file server for a bunch of
> people.
> The question is: would you use LVM over a SW-RAID0 between the two SCSI
> disks? Is native LVM striping that better (in terms of performance I mean)?
> Let me know, I'll run bonnie++ meanwhile, but I don't know if it
> highlights the differences: I should simulate a multiuser stress of the
> disks. Any advice?
>
> ciao rob
>
> --
> ______________________________________________________________________
>
> Roberto Ammendola INFN - Roma II - APE group
> tel: +39-0672594504 email: roberto.ammendola@roma2.infn.it // \
> ICQ: 152497874 MSN: ammendola_ro@hotmail.com \\_/ //
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> '''
>
>
>
> _______________________________________________
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--
Regards,
Heinz -- The LVM Guy --
*** Software bugs are stupid.
Nevertheless it needs not so stupid people to solve them ***
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prev parent reply other threads:[~2003-04-25 4:44 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-04-23 11:51 [linux-lvm] performance tests Roberto Ammendola
2003-04-25 4:44 ` Heinz J . Mauelshagen [this message]
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