[DRBD-user] On-line device growing quirk

Lars Ellenberg lars.ellenberg at linbit.com
Sat Sep 13 14:56:14 CEST 2008

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

On Sat, Sep 13, 2008 at 01:38:32PM +0200, Luis Garrido wrote:
> Hi!
> I have been testing the on-line growing as described at:
> http://www.drbd.org/users-guide-emb/s-resizing.html
> The backing device is a LVM logical volume and the filesystem is ext3.
> The method works fine, but I have to bring down and up the device
> twice (!) so the change in size is detected.
> I have tried to wait for what I consider time enough (10 minutes for a
> resize of 100 MB) for synchronization but it won't change anything.
> The only way I have found to make the system aware of the resizing is
> the one I described.
> I have pasted the commands for the resizing session at the end of the message.
> Is this a known issue? I have tried to search the web, but I couldn't
> find anything. Is there a more elegant workaround?
> Cheers,
> L
> [root at cluster11 ~]# modinfo drbd | grep v8
> description:    drbd - Distributed Replicated Block Device v8.0.7

would you _please_ retest with 8.2.6 or 8.0.13?

> [root at cluster11 ~]# uname -r
> 2.6.18-92.1.1.el5.028stab057.2
> [root at cluster11 ~]# rpm -q drbd82
> drbd82-8.2.6-1.el5.centos

upgrading userland alone does not give you the recent module.

otherwise, "works for me".

: Lars Ellenberg                
: LINBIT | Your Way to High Availability
: DRBD/HA support and consulting http://www.linbit.com

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