i'm not sure on this one. i assumed having noauto in fstab for the mount
point would be sufficient. i'm guessing this is going to take some
tinkering and i don't really have any suggestions. sry.
mike
Alan Cowes wrote:
Mike,
Yes, I understand, I don´t need to mount the secondary server while
the master server (which is running when I restarted the slave) is
running. So how can I make the slave server so that when I restart it,
it doesn´t mount the DRBD1 but is able to boot up properly.
In other words, when the slave is restarted, it knows that it should
be on secondary and doesn´t need to load but still is able to boot up
in the console.
Do I need to re edit the /etc/fstab ?
Thanks a lot for your help mike!
*De:* Mike Lovell [mailto:m...@dev-zero.net]
*Enviado el:* martes, 23 de febrero de 2010 21:12
*Para:* Alan Cowes
*CC:* drbd-user@lists.linbit.com
*Asunto:* Re: [DRBD-user] DISKLESS Resource
drbd wont allow the drbd device on the secondary drbd server to be
used. you'll probably get something like media errors back when you
try to mount or otherwise use the device. only the primary can be
used. so if you want to mount this on the secondary, you need to
promote it to primary (which will demote the current primary) and then
mount the volume. this will then mean the volume cant be mounted on
the now old primary.
mike
Alan Cowes wrote:
Hello Mike!,
Well let me tell you... that fixed the problem! But..... now the
system doesn't book properly, it saids that the system can´t find
/dev/drbd1, and that I have to set a maintenance password or press
Control-D to continue, if I do that, it runs good, I have also change
the Fstab with noauto as follows:
/dev/drbd1 /home ext3 noauto 0 2
I don´t have the DRBD2 set there, do I really need to?
I only set the Fstab on the slave one, the master is with the md1, I
guess I need to change them too, but not right now.
If you need the exact message, let me know
Thanks a bunch!
Alan
*De:* Mike Lovell [mailto:m...@dev-zero.net]
*Enviado el:* martes, 23 de febrero de 2010 17:53
*Para:* Alan Cowes
*CC:* drbd-user@lists.linbit.com <mailto:drbd-user@lists.linbit.com>
*Asunto:* Re: [DRBD-user] DISKLESS Resource
ummmm. yeah. something else is using the underlying device. it is
mounted to /home. maybe lsof wont show the device if it is just mounted.
either way, you need to umount /home restart drbd so that drbd can
claim the device, /dev/md1. you would then want to change your fstab
to point /home to /dev/drbd1 instead of /dev/md1.
mike
Alan Cowes wrote:
Hello Mike,
I´ve checked the slave with a lsoft | grep /home and nothing comes up,
so that means that nothing is using that partition is that right?
I have a line on the /etc/fstab that includes the /home :
/dev/md1 /home ext3 defaults 0 2
*********
Also I have tried this, I stopped the DRBD and started again (on the
slave only, the master is running) and I got this error:
Starting DRBD resources: [ d(HOME) /dev/drbd1: Failure: (114) Lower
device is already claimed. This usually means it is mounted.
[HOME] cmd /sbin/drbdsetup /dev/drbd1 disk /dev/md1 /dev/sdc3 0
--set-defaults --create-device --on-io-error=detach failed - continuing!
************
Any Idea?
Thanks a lot for your response!
Alan
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