From: Tomasz Chmielewski <mangoo@wpkg.org>
To: LVM general discussion and development <linux-lvm@redhat.com>
Subject: Re: [linux-lvm] Server hangs when writing to LVM volume due to LVM Snapshots
Date: Mon, 16 Jun 2008 15:57:46 +0200 [thread overview]
Message-ID: <4856715A.6050107@wpkg.org> (raw)
In-Reply-To: <20080616135319.GA29234@campbell-lange.net>
Veselin Kantsev schrieb:
> Hello,
> I'm using LVM snapshots on the following configuration:
>
> Debian lenny (2.6.24-1-amd64)
>
> LVM version: 2.02.33 (2008-01-31)
> Library version: 1.02.24 (2007-12-20)
> Driver version: 4.12.0
>
> 3ware 9000 Storage Controller device driver for Linux v2.26.02.010
>
> I have a Logical volume running off a RAID5 for all my data.
> I recently started making daily LVM snapshots of this Logical volume.
>
> The problem I'm experiencing now is that the server freezes if I try
> write a big chunk of data to the LVM volume.
>
> Writing is OK on the second RAID (which holds the Debian OS)
>
> Is there some known problem with writing lots of data to LVs while using
> LVM snapshots?
What is your RAM usage as you write to the snapshot?
Snapshots take some memory, and if you have lots of snapshots or they're
just big, you can run out of memory.
Is it a possibility for you?
--
Tomasz Chmielewski
http://wpkg.org
next prev parent reply other threads:[~2008-06-16 13:58 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-06-16 13:53 [linux-lvm] Server hangs when writing to LVM volume due to LVM Snapshots Veselin Kantsev
2008-06-16 13:57 ` Tomasz Chmielewski [this message]
2008-06-16 14:19 ` Veselin Kantsev
2008-06-16 14:51 ` Tomasz Chmielewski
2008-06-16 15:10 ` Veselin Kantsev
2008-06-16 19:18 ` Tomasz Chmielewski
2008-06-16 19:38 ` Dan Kegel
2008-06-16 20:02 ` Tomasz Chmielewski
2008-06-16 22:23 ` Dan Kegel
2008-06-17 9:12 ` Bryn M. Reeves
2008-06-16 21:21 ` Veselin Kantsev
2008-06-16 21:18 ` Veselin Kantsev
2008-06-16 21:22 ` Tomasz Chmielewski
2008-06-16 21:22 ` Dan Kegel
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=4856715A.6050107@wpkg.org \
--to=mangoo@wpkg.org \
--cc=linux-lvm@redhat.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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.