[DRBD-user] blocking I/O with drbd

Volker mail at blafoo.org
Mon Dec 19 17:29:37 CET 2011

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


Hi,

>> http://public.blafoo.org/drbd/top-primary.txt
>> http://public.blafoo.org/drbd/top-secondary.txt
> 
> ok ... still drbd 8.3.8 ... what does "iostat -dx" say during your test?
sadly, yes. elrepo is not an option here because its unofficial.

iostat is quite interesting starting at line 5 at '%util':
http://public.blafoo.org/drbd/iostat.txt

now why is /dev/drbd0 utilized by 100% during a heavy write operation?

this sounds a little like my problem:
http://www.mail-archive.com/drbd-user@lists.linbit.com/msg04985.html

> cat /proc/meminfo is unsuspicious?
yes, nothing fishy as far as i can tell.



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