Re : [linux-lvm] lvm 1 unable to boot
Jean-Luc Coulon (f5ibh)
jean-luc.coulon at wanadoo.fr
Thu Apr 1 14:49:53 UTC 2004
Le 01.04.2004 15:48, Heinz Mauelshagen a écrit :
>On Wed, Mar 31, 2004 at 09:42:44PM +0100, Geoff Dolman wrote:
>> On Wed, 2004-03-31 at 16:49, Patrick Caulfield wrote:
>> > On Wed, Mar 31, 2004 at 03:59:39PM +0100, Geoff Dolman wrote:
>> > > Hi
>> > >
>> > > I have a machine with the following partition structure:
>> > >
>> > > /dev/sda1 /boot (ext3)
>> > > /dev/sda2 swap
>> > > /dev/sda3 LVM
>> > >
>> > > The LVM (1.03/rh9) contains one PV and this has Volume00 in it
>which
>> > > contains lvs for slash, usr, var, /usr/local and so on...
>> > >
>> > > I rebooted the machine for the first time in ages (same kernel
>> > > configuration as the last reboot and no changes - or very few).
>> > >
>> > > The machine won't reboot - it panics because of a message
>(something)
>> > > like:
>> > >
>> > > vgscan found inactive "Volume00"
>> > > Error 28 Unable to make /etc/lvmtab.d/Volume00/Volume00.tmp
>> > > vg_cfgbackup.c line 273
>> > >
>> >
>> > Error 28 is ENOSPC - your initrd is too small to hold the metadata
>backups.
>>
>> Thanks - but how do I fix this?
>
>Append the kernel boot parameter "ramdisk_size=" and give a size in
>kilobytes
>(eg, 'ramdisk_size=16384' makes 16MB ram disks.
I don't think so. It is not the ramdisk size which has a problem but
the filesystem created to support the initrd files (/dev, /etc,
modules, scripts, ...). The size of this filesystem is fixed while
creating the initrd.
At boot time, lvm want to write some files in /etc (lvmtab and lvmtab.
d). While in the boot process and in the ramdisk, the /etc is part of
this filesystem. If there is not enough room on it, lvm crashes.
lvmcreate_initrd computes the needed space.
I tried to mount via the loopback an initrd created with
lvmcreate_initrd, add the stuff needed to have xfs and I got short on
the filesystem.... The ramdisk was 8Mo and the initrd about 6Mb...
--
Regards
- Jean-Luc
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