[DRBD-user] Removing DRBD Kernel Module Blocks

Felix Frank ff at mpexnet.de
Tue Jan 10 09:11:13 CET 2012

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


Hi,

On 01/09/2012 08:03 PM, Andrew Martin wrote:
> Shutting these VMs down gracefully takes over 30 minutes as the "rmmod
> drbd" command in /etc/rc0.d/K08drbd blocks. Moreover, it seems that
> access to any information related to the kernel modules blocks as well
> (e.g. "lsmod", accesses to /proc/modules, etc). Do you have any ideas on
> what is causing the removal of this module to block and how to resolve it?

what's using those DRBDs and is it cleanly shut down before the drbd
service is being stopped?

Are there filesystems in your block devices? Do they get unmounted in time?

Are there any incriminating kernel log entries after this slow shutdown?

Cheers,
Felix



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