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From: Stuart D Gathman <stuart@bmsi.com>
To: linux-lvm@redhat.com
Subject: Re: [linux-lvm] Configuring extent size
Date: Mon, 06 Dec 2010 21:15:46 -0500	[thread overview]
Message-ID: <4CFD98D2.70609@bmsi.com> (raw)
In-Reply-To: <AANLkTi=EyqkiemX6PRXiTVKGAkXW-L8VoGw0-BQrygv7@mail.gmail.com>

On 12/06/2010 08:33 PM, hansbkk@gmail.com wrote:
> Also, the man page state that the *default* extent size (if none is
> specified) is 4MB, but the HowTo states it's 32MB. Which is true?
>
> Or does this vary by vgcreate version, or per-distro configuration?
Based on experience, this varies by distro, so it must be a system
configuration option.
> having a large number of extents will slow down the tools

I believe only a large number segments (contiguous groups of extents)
slows things down.  I could be wrong. 

> leads me to:
>
> Would there be any negative impact of a very large extent size?
The only impact is unused space due to more granular allocation.

  reply	other threads:[~2010-12-07  2:15 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-12-07  1:33 [linux-lvm] Configuring extent size hansbkk
2010-12-07  2:15 ` Stuart D Gathman [this message]
2010-12-07  6:29   ` hansbkk
2010-12-07  6:47     ` hansbkk
2010-12-08  3:15       ` hansbkk

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