[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.

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