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, May 09, 2009 at 08:29:22PM -0700, c smith wrote: > Hi- > > I'm experiencing a strange issue with DRBD not following protocol C and > replication happening long after local writes are complete. If, for example, > I've got /dev/drbd0 mounted at /mnt with an ext3 filesystem, `dd > if=/dev/zero of=/mnt/test.zero bs=1000M count=1` will write the file at > local speeds and complete long before DRBD replicates any of it (or as far > as I can see by watching /proc/drbd) It sometime takes as long as 10s > before there is any activity in /proc/drbd. man fsync > My aim is to map DRBD resources to LVs. I have done some testing using both > LVs and physical partitions as DRBD resources' devices and have found the > same results. I'm using 8.3.1 compiled against 2.6.27.21-0.1-xen on > OpenSUSE 11.1. From what I can tell there must be something else on a > higher level messing with replication but I can't for the life of me think > of what it might be. page cache -- : Lars Ellenberg : LINBIT HA-Solutions GmbH : DRBD®/HA support and consulting http://www.linbit.com DRBD® and LINBIT® are registered trademarks of LINBIT, Austria. __ please don't Cc me, but send to list -- I'm subscribed