Re: High availability email server...

2006-07-29 Thread Michael Menge
Hi, Quoting Pascal Gienger <[EMAIL PROTECTED]>: I would NEVER suggest to mount the cyrus mail spool via NFS, locking is important and for these crucial things I like to have a real block device with a real filesystem, so SANs are ok to me. does someone use lustre as cyrus mail spoll? Would

Re: High availability email server...

2006-07-29 Thread Daniel Eckl
Hi Michael! As already said in this thread: Cyrus cannot share its spool. No 2 cyrus instances can use the same spool, databases and lockfiles. For load balancing you can use a murder setup and for HA you can use replication. Best, Daniel Michael Menge schrieb: > Hi, > > Quoting Pascal Gienger

Re: High availability email server...

2006-07-29 Thread Tom Samplonius
Pascal Gienger wrote: David Korpiewski <[EMAIL PROTECTED]> wrote: I spent about 6 months fighting with Apple XSAN and Apple OSX mail to try to create a redundant cyrus mail cluster. First of all, don't try it, it is a waste of time. Apple states that mail on an XSAN is not supported. The re

Re: Performance and cheap storage

2006-07-29 Thread Greg A. Woods
At Wed, 26 Jul 2006 16:20:57 -0500, Greg Harris wrote: > > On 7/26/06 3:33 PM, "Greg A. Woods" <[EMAIL PROTECTED]> wrote: > > > Using a SCSI host interface isn't going to be nearly so flexible as > > using a Fibre Channel one, especially in the longer run (e.g. if you > > ever want to add more st

Re: Performance and cheap storage

2006-07-29 Thread Phil Brutsche
Greg A. Woods wrote: > not yet in smart controllers that simply make it look like a more > traditional storage device thus off-loading all the protocol handling > to a dedicated control processor I should point out that those controllers exist, but are rare and have limited OS support: Adaptec's