[DRBD-user] system freezes with drbd 0.7.21 on kernel 2.6.18

Joachim Rieger joachim.rieger at agimatec.de
Mon Jan 28 13:19:54 CET 2008

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


I have the following setup:

2 Hosts with Debian Etch and Kernel 2.6.18-4  ( 2.6.18-4-xen-amd64).
On a SoftRAID/md (RAID1) I have two drbd partitions (drbd 0.7.21) with XEN (3.1)
Containers on it and running heartbeat(2.0.7) 

When I produce disk i/o on the Xen Containers (e.g. dd 2gb to a file or cp big file ) or on the drbd FS
the whole system hangs or freezes
without writing any logs and I have to 'hard reset' the machine.

It just happens on the drbd devices.
Is it a bug, should I update to drbd 8.x.y ??
Is it the 'drbd 2.6.22 hang' Problem ?
Do I have to update drbd to 8.0.6 or higher ?  

Thanks in advance!

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