Compare: 1. MySQL Clustering(ndb-cluster stogare) 2. MySQL / GFS-GNBD/ HA 3. MySQL / DRBD /HA 4. MySQL Write Master / Multiple MySQL Read Slaves 5. Standalone MySQL Servers(Functionally seperated)
MYSQL-HA-DRBD implementation is not complicated. But this is NOT A SCALABLE solution.
DRBD lets you share data disk. DRBD can be forced to be transaction safe. You can have one MySQL server serving the shared data at a time.
DST is also a very interesting project. Hope it makes it into the kernel. It's [e]nbd/drbd on steroids.
http://tservice.net.ru/~s0mbre/old/?section=projects&item=dst
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Re: MySQL clustering strategies and comparisions
MYSQL-HA-DRBD implementation is not complicated.
But this is NOT A SCALABLE solution.
DRBD lets you share data disk. DRBD can be forced to be transaction safe.
You can have one MySQL server serving the shared data at a time.
Re: MySQL clustering strategies and comparisions
DST is also a very interesting project. Hope it makes it into the kernel. It's [e]nbd/drbd on steroids.
http://tservice.net.ru/~s0mbre/old/?section=projects&item=dst
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