[ADMIN] 3 disks configured RAID 0 over 10 disks configured in RAID 5 (self replicating SAN)

2013-08-27 Thread Rene Romero Benavides
Thanks for your attention. What would you choose for a postgresql installation: 3 disks configured with RAID 0 (in a self replicating SAN) over 10 disks configured with RAID 5 (also in a self replicating SAN) , we have space constraints that prohibit us from choosing RAID 1+0. I've been persuaded

Re: [ADMIN] 3 disks configured RAID 0 over 10 disks configured in RAID 5 (self replicating SAN)

2013-08-27 Thread Scott Whitney
From: Rene Romero Benavides rene.romer...@gmail.com Date: 08/27/2013 5:35 PM (GMT-06:00) To: pgsql-admin@postgresql.org Subject: [ADMIN] 3 disks configured RAID 0 over 10 disks configured in RAID 5 (self replicating SAN) Thanks for your attention. What would you choose

Re: [ADMIN] 3 disks configured RAID 0 over 10 disks configured in RAID 5 (self replicating SAN)

2013-08-27 Thread Scott Marlowe
Does your controller support odd number RAID-10 i.e. RAID 1E? If so then 3 disks in RAID-1E. Or better 10 disks in 1E On Tue, Aug 27, 2013 at 4:33 PM, Rene Romero Benavides rene.romer...@gmail.com wrote: Thanks for your attention. What would you choose for a postgresql installation: 3 disks

Re: [ADMIN] 3 disks configured RAID 0 over 10 disks configured in RAID 5 (self replicating SAN)

2013-08-27 Thread Rene Romero Benavides
First of all, thank you so much for your valuable time. It probably does, though we have a requirement of having available at least twice the expected database size, and 50% of disk space overhead sounds like too much for us to take in a replicated SAN environment and a PostgreSQL master/slave -

Re: [ADMIN] 3 disks configured RAID 0 over 10 disks configured in RAID 5 (self replicating SAN)

2013-08-27 Thread Scott Marlowe
On Tue, Aug 27, 2013 at 7:18 PM, Rene Romero Benavides rene.romer...@gmail.com wrote: First of all, thank you so much for your valuable time. It probably does, though we have a requirement of having available at least twice the expected database size, and 50% of disk space overhead sounds like

Re: [ADMIN] 3 disks configured RAID 0 over 10 disks configured in RAID 5 (self replicating SAN)

2013-08-27 Thread Fernando Hevia
In your case I'd go for the 3 disk raid 0 setup. El ago 27, 2013 11:25 p.m., Scott Marlowe scott.marl...@gmail.com escribió: On Tue, Aug 27, 2013 at 7:18 PM, Rene Romero Benavides rene.romer...@gmail.com wrote: First of all, thank you so much for your valuable time. It probably does,