--- On Mon, 7/18/11, David Rees <drees76@xxxxxxxxx> wrote: > >> In this case is BBU still needed? If I put 2 SSD > in software RAID 1, would > >> that be any slower than 2 SSD in HW RAID 1 with > BBU? What are the pros and > >> cons? > > What will perform better will vary greatly depending on the > exact > SSDs, rotating disks, RAID BBU controller and > application. But > certainly a couple of Intel 320s in RAID1 seem to be an > inexpensive > way of getting very good performance while maintaining > reliability. I'm not comparing SSD in SW RAID with rotating disks in HW RAID with BBU though. I'm just comparing SSDs with or without BBU. I'm going to get a couple of Intel 320s, just want to know if BBU makes sense for them. -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance
