From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx1.redhat.com (mx1.redhat.com [172.16.48.31]) by int-mx1.corp.redhat.com (8.11.6/8.11.6) with ESMTP id i9E8SOr06556 for ; Thu, 14 Oct 2004 04:28:24 -0400 Received: from home.cru.fr (home.cru.fr [195.220.94.79]) by mx1.redhat.com (8.12.11/8.12.10) with ESMTP id i9E8SD4N028536 for ; Thu, 14 Oct 2004 04:28:23 -0400 Received: from [195.220.94.71] (joebar.cru.fr [195.220.94.71]) by home.cru.fr (8.12.8/8.12.5) with ESMTP id i9E8Rrds003623 for ; Thu, 14 Oct 2004 10:27:53 +0200 Message-ID: <416E3889.3090207@cru.fr> Date: Thu, 14 Oct 2004 10:27:53 +0200 From: Vincent Carpier - Comite Reseaux des Universites MIME-Version: 1.0 Content-Type: multipart/signed; protocol="application/x-pkcs7-signature"; micalg=sha1; boundary="------------ms030907010106080207010005" Subject: [linux-lvm] LVM2 - Crash Reply-To: sysadmin@cru.fr, LVM general discussion and development List-Id: LVM general discussion and development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , List-Id: To: linux-lvm@redhat.com This is a cryptographically signed message in MIME format. --------------ms030907010106080207010005 Content-Type: text/html; charset=us-ascii Content-Transfer-Encoding: 7bit

Hello,

I have a big problem with LVM2 (FC2) and the snapshot on a Dell PE1650 or Dell PE1750 (strangely not on a Dell GX240).
The host is frozen after 3 snapshot.

A bug ??

------------
Essai FC2 sur PE1750
no raid

install + upgrade

/dev/sda1 38G 292M 36G 1% /
/dev/mapper/vg0-home 9.7G 33M 9.1G 1% /home
/dev/mapper/vg0-usr 5.8G 1.1G 4.5G 19% /usr
/dev/mapper/vg0-var 2.0G 206M 1.7G 11% /var

2.6.8-1.521smp
lvm2-2.00.15-2

[root@auto1 /]# lvscan
ACTIVE '/dev/vg0/home' [9.77 GB] next free (default)
ACTIVE '/dev/vg0/usr' [5.86 GB] next free (default)
ACTIVE '/dev/vg0/var' [1.95 GB] next free (default)

[root@auto1 /]# lvcreate -L500M -s -n snap1 /dev/vg0/var
Logical volume "snap1" created

commande : lvscan et lvdisplay, mount snap -> ok

Deuxiéme snapshot

[root@auto1 /]# lvscan
ACTIVE '/dev/vg0/home' [9.77 GB] next free (default)
ACTIVE '/dev/vg0/usr' [5.86 GB] next free (default)
ACTIVE Original '/dev/vg0/var' [1.95 GB] next free (default)
ACTIVE Snapshot '/dev/vg0/snap1' [500.00 MB] next free (default)
ACTIVE Snapshot '/dev/vg0/snap2' [500.00 MB] next free (default)

commande : lvscan et lvdisplay, mount snap -> ok

Troisiéme snapshot

freeze !!

no log, no message on the console, possibilité de commande tel que ls, df, ps
j'essai de stopper le process lvscan -> impossible (état : D uninterruptible sleep (usually IO))

Try to remove snap : lvremove /dev/vg0/snapx -> freeze

Crash

-- 
       Vincent Carpier
Comité Réseau des Universités
      http://www.cru.fr
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