[DRBD-user] DRBD and a high performance MySQL database

Eugene Crosser crosser at rol.ru
Mon Oct 18 11:01:57 CEST 2004

Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.

David wrote:
> We are considering trying to run a high performance MySQL database on
> top of a DRBD mount.
> The underlying disks are a RAID-5 array of 15,000 RPM SCSI disks on a
> Dual Xeon 3.0ghz.
> Is anyone running MySQL on DRBD in a high performance setup?

I can advice to configure underlying device as RAID 0, and rely on 
DRBD's redundancy (which is logically equivalent to RAID 1).  This way, 
you are quite likely to get *better* performance than RAID 5 without DRBD.

I have no actual experience with MySQL over DRBD, though.

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