[DRBD-user] /home on /dev/drbd0

Stephan Rattai srattai at zmnh.uni-hamburg.de
Sat Sep 3 11:04:50 CEST 2005

Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.


Hi,

I used to have /home on a drbd device.

1) There is a resource-script (drbddisk) for heartbeat which does that. You
may want to take a look at hearbeat if you don't already have it.

2) The mount is clearly a job for the hearbeat Filsystem script.

3)I don't remember the Filesystem-script fsck's before the mount, but you may
want to fsck before each mount as the filesystem might be in an inconsistent
state after a crash.

4) That's done by heartbeat, too when the the Filesystem script gets a 'stop'.

You might want to consider problems like /home not being available on the
secondary node which might lead to problems logging in as normal user for
example. You could use a rudimentary homedir.

I hope this helps
regards
Stephan

> Hi,
>
> I'd like to move the content of /home to /dev/drbd0 and mount /dev/drbd0
> as /home. I've some related questions for system boot/shutdown:
>
> 1)Where should I place the "drbdadm primary all" command sequence? The
> systems always starts in secondary/secondary state, I guess this
> behavior is a feature and intended ?!?
>
> 2)Where/when in the system boot procedure (Gentoo/FC4) is a good time to
> mount /dev/drbd devices?
>
> 3)Where and how to integrate such a mountpoint in regular bootup fsck.ext3?
>
> 4)Where/when should I unmount the drbd devices at system shutdown,
> especially if one contains /home?
>
>
> Thanks for your help,
> Gernot
>
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