[DRBD-user] A few Q's before upgrade... Re: [DRBD-announce] drbd-0.6.12.tar.gz
Lars.Ellenberg at linbit.com
Wed Mar 10 16:53:28 CET 2004
/ 2004-03-10 16:22:21 +0100
> Thanks, Philipp!
> ...ok and this is the point when I will try to upgrade to this final version.
> If it fails, I'll fall back to the current "working" version and monitor 0.7
> The main question to you all before I jump into it: are there any caveats for
> the upgrade from version *0.6.2*? Is this upgrade path recommended?
> Meaning: should I change anything in the DRBD world of my server besides the
> recompiled kernel module (kernel 2.4.20 with dm patch)?
> Details (one of the three identical devices):
> # drbdsetup /dev/nb0 show
> Lower device: 08:03 (/dev/sda3)
> Disk options:
> disk-size = 29318625 KB
> Local address: 192.168.111.2:7778
> Remote address: 192.168.111.1:7778
> Wire protocol: A
> Net options:
> timeout = 4.0 sec
> sync-min = 200 KB/sec
> sync-max = 102400 KB/sec
> sync-nice = -20
> tl-size = 5000
> connect-int = 5 sec
> ping-int = 5 sec
> (I will also wait for the debian package update before I do anything)
> My current version is:
> version: 0.6.2 (api:61/proto:62)
> Additional info:
> All the devices run without a secondary node at the moment. So I will add the
> node at the same time I upgrade the drbd on primary.
So you will have a downtime anyways.
I recommend to use protocol = C
Changing the protocol always involves a downtime.
So better change now!
Otherwise, this should work just fine.
Ah, make sure you don't have the old drbdsetup lingering around
after the upgrade, it may still be in /usr/sbin/ for your version
of drbd. Now it should be in /sbin/.
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