[DRBD-user] Upgrade without taking the service down?

Dominik Klein dk at in-telegence.net
Wed Mar 12 15:28:07 CET 2008

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


Hi

say both nodes run version 8.x.y and I want to upgrade to 8.x.y+n (no 
major version change)

Is it safe to

A: primary
B: secondary
Disconnect
Upgrade secondary node (B)
Connect
Let drbd sync
Switchover the service (rolechange)
Disconnect
Upgrade secondary node (A)
Connect
Let drbd sync
A: secondary
B: primary

?

And how about 8.0.x to 8.2.x ?

Regards
Dominik



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