[DRBD-user] A few Q's before upgrade... Re: [DRBD-announce] drbd-0.6.12.tar.gz

[Lars Ellenberg]

/ 2004-03-10 16:22:21 +0100
\ Csan:
> 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
> development.
> 
> 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
>  do-panic
> 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/.

	Lars Ellenberg