linux-lvm.redhat.com archive mirror
 help / color / mirror / Atom feed
From: "Ragnar Kjørstad" <lvm@ragnark.vestdata.no>
To: linux-lvm@sistina.com
Subject: Re: [linux-lvm] Possible to raise Max LV?
Date: Tue, 27 Feb 2001 21:35:17 +0100	[thread overview]
Message-ID: <20010227213517.G29642@vestdata.no> (raw)
In-Reply-To: <200102272022.f1RKMIk27598@webber.adilger.net>; from Andreas Dilger on Tue, Feb 27, 2001 at 01:22:18PM -0700

On Tue, Feb 27, 2001 at 01:22:18PM -0700, Andreas Dilger wrote:
> Basically, the PE size is the minimum allocation unit of LVM.  If you
> make PE size very large, then you are generally wasting PE/2 disk space
> for each PV.  If (as in your case) the HW raid appears as a single large
> disk, then a large PE size may be appropriate, since you will only waste
> PE/2 once and it will still let you grow the LV to the current 2TB block
> device limit (kernel limit).

What about increesing the default, to say 32 MB?
32 MB should be enough for everyone (because of the 2TB limit), and 16
MB waste on every PV isn't that bad.



-- 
Ragnar Kj�rstad
Big Storage

  reply	other threads:[~2001-02-27 20:35 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-02-27 13:15 [linux-lvm] Possible to raise Max LV? Dave Alden
2001-02-27 16:58 ` Andreas Dilger
2001-02-27 18:23   ` Dave Alden
2001-02-27 19:18     ` Jay Weber
2001-02-27 20:22     ` Andreas Dilger
2001-02-27 20:35       ` Ragnar Kjørstad [this message]
2001-02-27 20:55         ` Andreas Dilger
2001-02-27 21:04           ` Eric M. Hopper
2001-02-28 12:34             ` Heinz J. Mauelshagen
2001-02-27 22:28           ` zoo1
2001-02-28  5:37             ` Andreas Dilger
2001-02-28  5:07     ` Steven Lembark
2001-02-28 12:22       ` Heinz J. Mauelshagen

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20010227213517.G29642@vestdata.no \
    --to=lvm@ragnark.vestdata.no \
    --cc=linux-lvm@sistina.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).