Olá Ola :)
Is this a data corruption issue ? I think not in the first place, but It can
become one.
Consider the typical HA scenario (* is the active config and node):
[NODEA*]-- --- [NODEB]
|
[CFG*]
(shared storage
/ drbd)
Let's assume you are changing the IP of the machine, or some other config
parameter like some disk device on NODEA with --save. What happens is:
Before Failover, after --save:
[NODEA*] --- [NODEB]
| |
[modCFG*] [CFG]
Everythign runs fine. Now if you are NOT aware of the bug, if you failover,
your old config is restored and you may access wrong devices, use a wrong IP
(duplicate?) etc ... This probably happens weeks after the change (--save) and
you will have trouble finding the issue.
After Failover:
[NODEA] --- [NODEB*]
| |
[modCFG] [CFG*]
So for me it seems important that this bug can be found by people looking for
this. If it needs fixing - yes, but how ?
A)
* Fix in stable
(This will probably not break any existing configurations, it will just keep
links that were removed before)
Pro: would help fast
Pro: no side effetcs
Con: does it break anything ?
B)
* Mark this bug as beeing a known bug up and including 3.0.23 in lenny (so that
other peaople find it)
* Fix in 3.0.23 (patch)
* Backport 3.0.23 to lenny
Pro: can be done now
Con: what is 3.0.23 - is it a stable release ?
Con: maybe side effects with 3.0.23
C)
* Mark this bug as beeing a known bug up and including 3.0.23 in lenny (so that
other peaople find it)
* Wait for 3.0.24 in sid (in the meantime live with a wrapper script/job)
* Backport 3.0.24 to lenny
Pro: 3.0.24 will be the next stable
Con: When will 3.0.24 arrive ?
I think B) is not the best option. For me A) would be nice, hoever I can also
live with C) for the sake of stability.
Regards,
Robert
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