[DRBD-user] Question: how to avoid full resync

Mark Watts m.watts at eris.qinetiq.com
Tue May 19 17:40:07 CEST 2009

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

> because we can't.
> we bring up drbd and then install the configuration files on the replicated partition (on the master)
> so this quick sync is part of the installation process.

Well, you can use the device while the sync happens so I'm not sure why
this causes you any real problems.

> it seems unreasonable to wait long time for replication of empty partition

I do agree that the initial sync could be faster - Linux md RAID-1 with
a write-intent bitmap gives you a basically instant initial sync, so
DRBD should be able to do something similar, although I'm sure the devs
will say why this doesn't already happen.


Mark Watts BSc RHCE MBCS
Senior Systems Engineer
QinetiQ Applied Technologies
GPG Key: http://www.linux-corner.info/mwatts.gpg
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