From: Angelos Karageorgiou (angelosunix.gr)
Date: Tue Jul 24 2007 - 02:29:09 CDT

• Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]

Have you been able to actually measure the difference in speed betweeb
raid 5 and raid10 on the NFS mounts ?
That would be interesting. Given the fact that most of the incoming mail
i.e. writes get thrown out as spam my gut feeling
(sorry Wietse no measuruments here :-) ) is that raid 10's performance
increase is marginal. Yet since all my users leave their
outlooks to poll the pop3/imap servers i.e. the NFS data, every 10 secs
or so , I feel that a fast read FS should be optimal.

my 0.2 euros

{bunch of stuff deleted }
>
> We're going RAID10 with 6 500gb Seagate Barracuda SATAII drives. I
> set this up initially for RAID5, but I want the speed increase, so
> RAID10 seemed like a good solution.
>
> Mail queue is on each Postfix server, with the user's home directory
> being mounted via NFS.
>
>

• Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]