From: Joe Thornber <thornber@redhat.com>
To: linux-lvm@redhat.com
Subject: Re: [linux-lvm] advice sought on setting up new system
Date: Fri Feb 13 08:30:00 2004 [thread overview]
Message-ID: <20040212093049.GA7137@reti> (raw)
In-Reply-To: <web-232397902@mail01.infosat.net>
On Wed, Feb 11, 2004 at 11:28:37PM +0200, Dale Gallagher wrote:
> PEs(0-100) for LV /dev/mapper/v0-var-qmail-queue
> PEs (101-1000) for LV /dev/mapper/v0-home-mail
>
> And then I find at a later stage that my queue is too
> small, so append PEs (1001-1100) to the original LV
> /dev/mapper/v0-var-qmail-queue.
The extent size should be chosen to be a convenient size for the
system administrator. Typically 4-16M these days; it tends to get
bigger as hard disks grow. So the extent size is going to be far too
large for you to worry about files being broken across extent
boundaries. Think about the percentage of ios that will incur this
extra seek that you are concerned about.
- Joe
prev parent reply other threads:[~2004-02-12 9:30 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-02-06 7:52 [linux-lvm] advice sought on setting up new system Dale Gallagher
2004-02-06 15:14 ` Ken Fuchs
2004-02-11 18:57 ` Dale Gallagher
2004-02-12 15:41 ` Ken Fuchs
2004-02-13 8:30 ` Joe Thornber [this message]
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