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From: Chris Mason <mason@suse.com>
To: linux-lvm@sistina.com
Subject: Re: [linux-lvm] How do you mount a snapshot?
Date: Thu, 07 Dec 2000 15:05:08 -0500	[thread overview]
Message-ID: <700130000.976219508@coffee> (raw)
In-Reply-To: <20001207115538.B24318@archimedes.oak.suse.com>


On Thursday, December 07, 2000 11:55:38 -0800 David Gould <dg@suse.com>
wrote:

> On Thu, Dec 07, 2000 at 03:39:11AM -0800, Tracy R Reed wrote:
>> 
>> [root@computer /usr2]# mount -t reiserfs /dev/vg-sdb1/snapshot /snap/
>> mount: block device /dev/vg-sdb1/snapshot is write-protected, mounting
>> read-only mount: wrong fs type, bad option, bad superblock on
>> /dev/vg-sdb1/snapshot, or too many mounted file systems
> 
> Unless they have changed it (possible), reiserfs does not support ro
> hardware for mounting unless the filesystem was unmounted cleanly. The
> reason is that to make the FS consistant the journal has to be replayed
> which necessarily _writes_ to the device. This cannot work on an ro
> device.
> 

We didn't change that ;-)  But, the message would look different.  In this
case, it did not find a reiserfs filesystem at all, or perhaps the reiserfs
module wasn't loaded...

-chris

  reply	other threads:[~2000-12-07 20:05 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2000-12-07 11:39 [linux-lvm] How do you mount a snapshot? Tracy R Reed
2000-12-07 19:55 ` David Gould
2000-12-07 20:05   ` Chris Mason [this message]
2000-12-07 20:37     ` Tracy R Reed
2000-12-07 20:56       ` Chris Mason
2000-12-08  2:25         ` Tracy R Reed
2000-12-08  6:33         ` David Gould
2000-12-08 14:09           ` Chris Mason
2000-12-08 15:08             ` [linux-lvm] LVM Upgrade Magnus Naeslund(f)
2000-12-08 18:30             ` [linux-lvm] How do you mount a snapshot? David Gould
2000-12-08 20:30               ` Christian Limpach
2000-12-11  4:10                 ` [linux-lvm] OOPS while doing vgextend Magnus Naeslund(f)
2000-12-11  6:48                 ` [linux-lvm] How do you mount a snapshot? David Gould
2000-12-11 14:58                   ` Chris Mason
2000-12-11 18:35                   ` Andreas Dilger

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