May be you should ask in zfs-discuss list Zfs appliance has simulator that should be able to g.I've you some idea about the tread off for space for various raid/mirror As for performance, google it and read various zfs links , best practice tunning guide Zfs @lisa09 is good start You should get support contract to cover your self
Sent from my iPad Hung-Sheng Tsao ( LaoTsao) Ph.D On May 26, 2011, at 7:13 AM, Gustav <g...@phunk.co.za> wrote: > Hi All, > > Can someone please give some advise on the following? > > We are installing a 7320 with 2 18 GB Write Accelerators, 20 x 1 TB disks and > 96 GB of ram. > > Postgres will be running on a Oracle x6270 device with 96GB of ram installed > and two quad core cpus, with a local WALL on 4 hard drives, and 7320 LUN via > 8GB FC. > > I am going configure the 7320 as Mirrored with the following options > available to me (read and write cache enabled): > Double parity RAID > Mirrored > Single partiy RAID, narrow stripes > Striped > Triple mirrored > > Was does the above mean in real terms officially, > and what is optimum for a (Postgresql 9, or any performance tips for Postgres > on a 7320) database high writes, > and are there any comments that can help us improve performance? > > Thanks, all feedback will be appreciated! > -- > This message posted from opensolaris.org > _______________________________________________ > sysadmin-discuss mailing list > sysadmin-discuss@opensolaris.org > http://mail.opensolaris.org/mailman/listinfo/sysadmin-discuss _______________________________________________ sysadmin-discuss mailing list sysadmin-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/sysadmin-discuss
