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What a fantastic amount of discussion on this topic. Thanks everyone for all the input I now have a much better understanding of secondary systems.<BR>
Cheers,<BR>
Glen<BR>
<BR>
n Fri, 2008-06-20 at 09:50 -0400, Sam Hooker wrote:
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| One caveat though: if the secondary peer is disconnected long enough,
| the primary will run out of auxiliary storage and it will then be
| necessary to sync the entire partition when the secondary is
| reconnected. My most recent experience with this was a 70GB partition
| that literally took all day to sync over a GigE link. For this reason, I
| have my doubts that this use of heartbeat/DRBD is a good one.
Yeah, I'd imagine that a number of factors (how active your DB is, how
often mysqld is flushing to disk) can make its on-disk storage a moving
target for DRBD to synchronize. That's one of the reasons I thought
MySQL replication (with just DRBD for the recordings -- no Heartbeat)
would be the way to go. Then, you could just write a script on the
portable machine to mount the disk and start myth*end.
Cheers,
- -sth
sam <A HREF="mailto:hooker|mythtv@noiseplant.com">hooker|mythtv@noiseplant.com</A>|<A HREF="http://www.noiseplant.com">http://www.noiseplant.com</A>
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