Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
H.D. a écrit : > Benjamin Watine wrote: >> I'm about to set up a HA cluster on Debian 4 servers, with heartbeat >> 2.0.8 and DRBD. I've tested it with DRBD v8.0.1, and I see that the >> DRBD package in etch is v0.7.21-4. >> >> I would like to know if I can use this package with my "classical" >> configuration (see below). Is there's new functions or known bugs that >> will prevent me from doing the same thing I tested before ? > > What is the point of starting a new setup with outdated software? > Especially if you tested your setup with 8.0.1, what is that test worth > if you're going to use another version in production? Anyway, see the > change log for fixed bugs and new features: > > http://svn.drbd.org/drbd/trunk/ChangeLog > > Sure HA is about stability and not about bleeding edge, but I've never > understood the motivation behind choosing a random old version of a > package and believing it to be more stable than something else. > > If for some reason you prefer to use the 0.7 branch, the difference > between 0.7.21 and 0.7.24 seems to be the following list: > > * Fixed leakage of bios in case we are diskless. > * A fix to the device name guessing code. > * Made it to compile on 2.6.21 and gcc-4.1 without warnings. > * Made it to compile on 2.6.19. > * Fixed bugs in the implementation of protocol A and B. > we noticed that in protocol A and B, on connection loss, > we could "forget" to set certain areas out of sync. > so resync in those protocol has been broken all along! > * Fix races between failure in drbd_send_dblock > and concurrently running tl_clear > * Fix potential access-afer-free in drbd_dio_end > * Fix possible list corruption respective resulting deadlock in > receive_DataRequest > * Improved the drbd_thread_stop / start code > * Gracefull removal of devfs and other updates. > * Implemented the "freeze_io" option for "on-disconnect" > > So if you're fine with this list in production, go with 0.7.21, but my > understand of HA is to chose the most stable version of software, and > the last thing I care about is what my distribution / OS ships with :) > I prefer to use Debian package because of security updates, and because it's not me that will administrate this server after it's launched in production. So I want stable software and easy maintaining. I don't know what distribution who use, but you should take a look at apt power ;) Thank you for your answer, I'll study the changelog and take my decision. Regards Benjamin Watine