Re: [Dovecot] NFS mail storage

2011-06-30 Thread Stan Hoeppner
On 6/30/2011 9:03 AM, William Blunn wrote: > On 30/06/2011 00:40, Stan Hoeppner wrote: >> If you can live with the folder tree limitations of mbox > > Did you mean with or without considering > http://wiki2.dovecot.org/MboxChildFolders ? I was referring the to the classic mbox limitation of not b

Re: [Dovecot] NFS mail storage

2011-06-30 Thread William Blunn
On 30/06/2011 00:40, Stan Hoeppner wrote: If you can live with the folder tree limitations of mbox Did you mean with or without considering http://wiki2.dovecot.org/MboxChildFolders ? Bill

Re: [Dovecot] NFS mail storage

2011-06-30 Thread Stan Hoeppner
On 6/29/2011 11:12 PM, Timo Sirainen wrote: > On Wed, 2011-06-29 at 18:40 -0500, Stan Hoeppner wrote: > >> Since maildir is IOPS heavy and NFS/GFS/OCFS don't seem to like high >> IOPS workloads that make heavy use of locking, mbox becomes very >> attractive due to it's very low IOPS demands. If y

Re: [Dovecot] NFS mail storage

2011-06-29 Thread Timo Sirainen
On Wed, 2011-06-29 at 18:40 -0500, Stan Hoeppner wrote: > Since maildir is IOPS heavy and NFS/GFS/OCFS don't seem to like high > IOPS workloads that make heavy use of locking, mbox becomes very > attractive due to it's very low IOPS demands. If you can live with the > folder tree limitations of m

Re: [Dovecot] NFS mail storage

2011-06-29 Thread Timo Sirainen
On Wed, 2011-06-29 at 11:10 -0700, Daniel L. Miller wrote: > The parameters listed for nfs installations (mmap_disable, > doctlock_use_excl, mail_nfs_storage, mail_nfs_index) - are they > necessary for data integrity, and/or do they compensate for NFS latency > and improve performance? > > My u

Re: [Dovecot] NFS mail storage

2011-06-29 Thread Noel Butler
On Wed, 2011-06-29 at 18:40 -0500, Stan Hoeppner wrote: > Since maildir is IOPS heavy and NFS/GFS/OCFS don't seem to like high > IOPS workloads that make heavy use of locking, mbox becomes very > attractive due to it's very low IOPS demands. If you can live with the > folder tree limitations of

Re: [Dovecot] NFS mail storage

2011-06-29 Thread Stan Hoeppner
On 6/29/2011 1:10 PM, Daniel L. Miller wrote: > The parameters listed for nfs installations (mmap_disable, > doctlock_use_excl, mail_nfs_storage, mail_nfs_index) - are they > necessary for data integrity, and/or do they compensate for NFS latency > and improve performance? > > My understanding is

[Dovecot] NFS mail storage

2011-06-29 Thread Daniel L. Miller
The parameters listed for nfs installations (mmap_disable, doctlock_use_excl, mail_nfs_storage, mail_nfs_index) - are they necessary for data integrity, and/or do they compensate for NFS latency and improve performance? My understanding is the indexes are a critical part of a dbox storage, bu