On Apr 19, 2005, at 11:07 PM, Josh Berkus wrote:
RAID1 2 disks OS, pg_xlog
RAID 1+0 4 disks pgdata
This is my preferred setup, but I do it with 6 disks on RAID10 for
data, and since I have craploads of disk space I set checkpoint
segments to 256 (and checkpoint timeout to 5 minutes)
Vivek Khera
My experience:
1xRAID10 for postgres
1xRAID1 for OS + WAL
Jeff Frost wrote:
Now that we've hashed out which drives are quicker and more money equals
faster...
Let's say you had a server with 6 separate 15k RPM SCSI disks, what raid
option would you use for a standalone postgres server?
a) 3xRAI
Jeff,
> Let's say you had a server with 6 separate 15k RPM SCSI disks, what raid
> option would you use for a standalone postgres server?
>
> a) 3xRAID1 - 1 for data, 1 for xlog, 1 for os?
> b) 1xRAID1 for OS/xlog, 1xRAID5 for data
> c) 1xRAID10 for OS/xlong/data
> d) 1xRAID1 for OS, 1xRAID10 for
http://stats.distributed.net is setup with the OS, WAL, and temp on a
RAID1 and the database on a RAID10. The drives are 200G SATA with a
3ware raid card. I don't think the controller has battery-backed cache,
but I'm not sure. In any case, it's almost never disk-bound on the
mirror; when it's disk
Now that we've hashed out which drives are quicker and more money equals
faster...
Let's say you had a server with 6 separate 15k RPM SCSI disks, what raid
option would you use for a standalone postgres server?
a) 3xRAID1 - 1 for data, 1 for xlog, 1 for os?
b) 1xRAID1 for OS/xlog, 1xRAID5 for d
