El Viernes 20 Noviembre 2009 a las 14:47, Mario Antonio escribió:
> Could you share how you have configured Dovecot in order to
> achieve replication, redundant path .?
>
I have configured nothing on dovecot's side. We have a lot of EMC gear
providing most of the features, maildirs in a rep
On 11/16/2009 8:00 AM, Nicolas GRENECHE wrote:
Hi all,
I plan to run a dovecot IMAPS and POPS service on our network. We
handle about 3 000 mailboxes. I thought first buying a topnotch server
(8 cores and 16 Go RAM) with equalogic iSCSI SAN SAS 15K for storage
backend.
We run about 300 mailbox
> But "faster" is not always the way to measure things.
>
> In this topic, I think that raw disk access speed is not a critical
> value; I've tested our setup with maildir on NFS and performance is
> close enough to local disks. Given this, I prefer the extra features
> our NAS/SAN setup gives us,
Joseba Torre wrote:
El Viernes 20 Noviembre 2009 a las 13:05, alex handle escribió:
to put it simply: local storage
We use Dell R710 in pair, each with 6 15K SAS Disks and RAID 10 -
iSCSI or NFS can hardly be faster
But "faster" is not always the way to measure things.
In this topic,
El Viernes 20 Noviembre 2009 a las 13:05, alex handle escribió:
> to put it simply: local storage
>
> We use Dell R710 in pair, each with 6 15K SAS Disks and RAID 10 -
> iSCSI or NFS can hardly be faster
>
But "faster" is not always the way to measure things.
In this topic, I think that raw disk
On Fri, Nov 20, 2009 at 12:28 PM, Nicolas KOWALSKI
wrote:
> Robert Schetterer writes:
>
>> sorry for the stupid question what is "DAS"
>> do you have a link etc for it, to get more info
>
> See http://en.wikipedia.org/wiki/Direct-attached_storage
>
to put it simply: local storage
We use Dell R7
Robert Schetterer writes:
> sorry for the stupid question what is "DAS"
> do you have a link etc for it, to get more info
See http://en.wikipedia.org/wiki/Direct-attached_storage
--
Nicolas
alex handle schrieb:
>> Extra question, what is the better : iSCSI SATA backend or NFS share ?
>> NFS share is more convenient to have a failover server.
>
> Everyone wants to use nfs for mailstorage, because it is convenient,
> but nfs is the wrong storage model for mail.
> NFS shines on big file
>
> Extra question, what is the better : iSCSI SATA backend or NFS share ?
> NFS share is more convenient to have a failover server.
Everyone wants to use nfs for mailstorage, because it is convenient,
but nfs is the wrong storage model for mail.
NFS shines on big files but metadata performance is
Quoting John Lyons :
I've spent a week looking at the likes of PVFS, GFS, Lustre and a whole
host of different systems, including pNFS (NFS 4.1)
At the risk of diverting the thread away from the SATA backend, is there
any recommendation for a fault tolerant file service.
Most people seem to b
> The "generally don't see any bugs/issues" is the part I'm worried about
> (generally isn't comforting).
I was covering my on that one. Sods law dictates as soon as I say
'never' we'll discover an issue.
> If you use a more traditional filesystem like ext2/ext3/ufs/etc then yes.
> But you
El Lunes 16 Noviembre 2009 a las 14:00, Nicolas GRENECHE escribió:
> Extra question, what is the better : iSCSI SATA backend or NFS
> share ? NFS share is more convenient to have a failover server.
>
In my experience, NFS for maildirs is fast enough, and well known and
supported. For indeces, in
Quoting Nicolas GRENECHE :
It should be a future option, but index management will be more tricky
as you stated.
If you want to do any kind of clustering/failover, even in the future,
then I would go with iSCSI/SAN of some sort instead of NFS... Just my $0.02.
The other way to think about it
2009/11/16 Eric Jon Rostetter :
> Quoting Nicolas GRENECHE :
>
>> I plan to run a dovecot IMAPS and POPS service on our network. We
>> handle about 3 000 mailboxes. I thought first buying a topnotch server
>> (8 cores and 16 Go RAM) with equalogic iSCSI SAN SAS 15K for storage
>> backend.
>
> Sound
Quoting Nicolas GRENECHE :
I plan to run a dovecot IMAPS and POPS service on our network. We
handle about 3 000 mailboxes. I thought first buying a topnotch server
(8 cores and 16 Go RAM) with equalogic iSCSI SAN SAS 15K for storage
backend.
Sounds like overkill to me, but if you have the mone
Hi all,
I plan to run a dovecot IMAPS and POPS service on our network. We
handle about 3 000 mailboxes. I thought first buying a topnotch server
(8 cores and 16 Go RAM) with equalogic iSCSI SAN SAS 15K for storage
backend.
On second though (and after a comprhensive read of dovecot features),
I sa
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