On 21/11/2007, Yonah Russ <[EMAIL PROTECTED]> wrote: > > > On Nov 20, 2007 12:52 PM, Amos Shapira <[EMAIL PROTECTED]> wrote: > > > > > > > > On 20/11/2007, Yonah Russ <[EMAIL PROTECTED]> wrote: > > > On Nov 20, 2007 7:32 AM, Amos Shapira < [EMAIL PROTECTED]> wrote: > > > > > > > > > > > On 20/11/2007, Yonah Russ <[EMAIL PROTECTED]> wrote: > > > > > Hi, > > ..snip.. > > > > > > > > Another point which was just raised in the office - it appears that we > > > > are going to use DRBD for SQLite synchronization - if so then it > > > > should make sense to use DRBD for MySQL synchronization as well to > > > > reduce the configuration complexity. Any thoughts on that? > > > > > > > > > > I have only used DRBD in Active-Passive settings to eliminate the need > for > > > replication. > > > Maybe you could put the database files on a cluster filesystem over > DRBD? > > > > That's what I saw to be suggested in a few places, can't remember > > which of the databases was mentioned with it. > > > > I saw this (cluster-aware filesystem over DRBD) also mentioned in the > > context of sharing Xen images for fail-over (so you have a Xen > > filesystem (over LVM?) over DRBD and if the Xen host crashes then > > another host can pick up its guests and run them from the same LVM). > > My take-away form this is that DRBD+Cluster-FS might be used as a > > cheap replacement for a real SAN. > > > > > > I usually use OCFS2 and I use it exactly that way- I use DRBD in > Primary/Primary mode for active/active postfix/imap/pop using maildirs > stored on the DRBD. We also use the DRBD to store the MySQL DB files but the > MySQL itself is only active/passive.
Yes. That's probably the disadvantage of the DRBD approach as opposed to the original link you sent - it's limited to a master-slave setup. I'll have to give it a hard think. > > > Depending on your budget/configuration, NetApp has recently started > selling > > > an inexpensive storage solution ($3000) the StoreVault S300. I haven't > tried > > > it but the price is right. > > > I've also been meaning to try Coraid storage although their prices in > Israel > > > were not as attractive as in the States. > > > > Thanks for the heads-up. Our host is in the US so it might be relevant. > > > Let me know if you use either :) Sure. Though right now it looks like the chances are low. Cheers, --Amos ================================================================= To unsubscribe, send mail to [EMAIL PROTECTED] with the word "unsubscribe" in the message body, e.g., run the command echo unsubscribe | mail [EMAIL PROTECTED]
