The number of spindles gained is offset by the algorythms used to write the
parity on the raid 5. On writes the 10 should out perform the 5. Also if a
drive is lost there will be a big hit in performance until the drive is
replaced in a raid5/6 configuration.
On Wed, Nov 10, 2010 at 4:10 AM, Sta
On 2010-11-10 2:52 AM, Rich wrote:
> The only difference I would have on this server is I would make it a
> 10 raid and not raid5. This is a much more higher performing with all
> the writes to maildir. Its also better fault tolerance.
I fail to see any reference to RAID5 in the text you quoted...
Rich put forth on 11/10/2010 1:52 AM:
> The only difference I would have on this server is I would make it a 10 raid
> and not raid5. This is a much more higher performing with all the writes to
> maildir. Its also better fault tolerance.
I typically use RAID10 for most high load transaction hea
The only difference I would have on this server is I would make it a 10 raid
and not raid5. This is a much more higher performing with all the writes to
maildir. Its also better fault tolerance.
On Mon, Nov 8, 2010 at 7:25 AM, Stan Hoeppner wrote:
> ahmad riza h nst put forth on 11/8/2010 4:08
Will Fong put forth on 11/9/2010 6:57 PM:
> On 11/09/2010 04:45 PM, Stan Hoeppner wrote:
>> The Proliant Dl180 g6 box he has will scale to 192GB RAM in 12 DIMM
>> slots, but getting it there gets expensive due to the cost/DIMM at 16GB
>> density. Using fairly inexpensive 4GB DIMMS he could occupy
On Wed, Nov 10, 2010 at 7:57 AM, Will Fong wrote:
> On 11/09/2010 04:45 PM, Stan Hoeppner wrote:
>>
>> The Proliant Dl180 g6 box he has will scale to 192GB RAM in 12 DIMM
>> slots, but getting it there gets expensive due to the cost/DIMM at 16GB
>> density. Using fairly inexpensive 4GB DIMMS he c
On 11/09/2010 04:45 PM, Stan Hoeppner wrote:
The Proliant Dl180 g6 box he has will scale to 192GB RAM in 12 DIMM
slots, but getting it there gets expensive due to the cost/DIMM at 16GB
density. Using fairly inexpensive 4GB DIMMS he could occupy 6 of the 12
slots for a 24GB capacity. That should
Kris Deugau put forth on 11/9/2010 11:07 AM:
> That said... Yeah, upgrade the hardware now - I'd even say go for more
> than 8G of RAM if you can stuff it in, because if you're running a
> memory hog like SpamAssassin on the same machine as your core mail
> daemons and webmail, you'll need it soo
Stan Hoeppner wrote:
ahmad riza h nst put forth on 11/8/2010 3:05 AM:
our hardware is hp dl180 g6 (a xeon quad core + raid 1 + 4G ram)
Ok, that answers one of my previous questions. This system isn't nearly
strong enough for thousands of users.
IBTD.
I had PII/450 with ~768M of RAM, and a
Le 08/11/2010 23:44, mouss a écrit :
Le 08/11/2010 10:51, Stan Hoeppner a écrit :
ahmad riza h nst put forth on 11/8/2010 3:05 AM:
yes i read the manual before, it's said "Virtual aliasing solves one
problem: it allows each domain to have its own info mail address. But
there still is one drawb
Le 08/11/2010 10:51, Stan Hoeppner a écrit :
ahmad riza h nst put forth on 11/8/2010 3:05 AM:
yes i read the manual before, it's said "Virtual aliasing solves one
problem: it allows each domain to have its own info mail address. But
there still is one drawback: each virtual address is aliased t
ahmad riza h nst put forth on 11/8/2010 7:31 AM:
> On Mon, Nov 8, 2010 at 7:25 PM, Stan Hoeppner wrote:
>> ahmad riza h nst put forth on 11/8/2010 4:08 AM:
>> "Have to"? There are alternatives, such as
>> http://www.ispconfig.org/ispconfig-3/
>>
>> In the absence of Virtualmin support for your m
On Mon, Nov 8, 2010 at 7:25 PM, Stan Hoeppner wrote:
> ahmad riza h nst put forth on 11/8/2010 4:08 AM:
>
>>> You won't have local system accounts. Just setup Postfix and Dovecot to
>>> query your current mysql domain and user database. It may take some
>>> tweaking, but what doesn't? ;)
>>>
>>
On Mon, Nov 8, 2010 at 6:52 PM, Stan Hoeppner wrote:
> ahmad riza h nst put forth on 11/8/2010 3:37 AM:
>
>> i think it would reach to 12 thousands or less. yes we plan to do it
>> in one server but just for mailboxes only (pop3, imap, webmail), we
>> have another servers for the mx.
>
> 12,000 is
ahmad riza h nst put forth on 11/8/2010 4:08 AM:
>> You won't have local system accounts. Just setup Postfix and Dovecot to
>> query your current mysql domain and user database. It may take some
>> tweaking, but what doesn't? ;)
>>
>
> thanks for your reply stan,
>
> the problem is we have to
ahmad riza h nst put forth on 11/8/2010 3:37 AM:
> i think it would reach to 12 thousands or less. yes we plan to do it
> in one server but just for mailboxes only (pop3, imap, webmail), we
> have another servers for the mx.
12,000 is a lot of users for one IMAP server. You'll definitely need
th
On Mon, Nov 8, 2010 at 4:51 PM, Stan Hoeppner wrote:
> ahmad riza h nst put forth on 11/8/2010 3:05 AM:
>
>> yes i read the manual before, it's said "Virtual aliasing solves one
>> problem: it allows each domain to have its own info mail address. But
>> there still is one drawback: each virtual ad
ahmad riza h nst put forth on 11/8/2010 3:05 AM:
> yes i read the manual before, it's said "Virtual aliasing solves one
> problem: it allows each domain to have its own info mail address. But
> there still is one drawback: each virtual address is aliased to a UNIX
> system account. As you add more
On Mon, Nov 8, 2010 at 4:08 PM, Stan Hoeppner wrote:
> ahmad riza h nst put forth on 11/7/2010 11:55 PM:
>> hello,
>>
>> currently i am new to postfix and at the moment i have a task to setup
>> mail server with postfix, dovecot and webmin.
>> this system would host hundreds of virtual domains, so
ahmad riza h nst put forth on 11/7/2010 11:55 PM:
> hello,
>
> currently i am new to postfix and at the moment i have a task to setup
> mail server with postfix, dovecot and webmin.
> this system would host hundreds of virtual domains, so thousands of
> virtual emails was expected.
"Thousands" of
On Mon, Nov 8, 2010 at 3:19 PM, Jeroen Geilman wrote:
> On 11/08/2010 06:55 AM, ahmad riza h nst wrote:
>>
>> hello,
>>
>> currently i am new to postfix and at the moment i have a task to setup
>> mail server with postfix, dovecot and webmin.
>>
>
> Ugh. Don't attempt to manage the system with web
On 11/08/2010 06:55 AM, ahmad riza h nst wrote:
hello,
currently i am new to postfix and at the moment i have a task to setup
mail server with postfix, dovecot and webmin.
Ugh. Don't attempt to manage the system with webmin until you have solid
expierence in configuring it by hand.
In ot
hello,
currently i am new to postfix and at the moment i have a task to setup
mail server with postfix, dovecot and webmin.
this system would host hundreds of virtual domains, so thousands of
virtual emails was expected.
postfix : 2.6.7
dovecot: 2.0.6
centos 5.x
webmin
since i don't have any exp
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