>> So we use about ten common Intel based servers for BEs (sized to
>> support loss of 2/3 servers) and store data on NAS. Users are active
>> and filer is about tens of thousand nfsop/s at the busy hour.
>>
>> About 10% to 20% of the users connect at least one time a day, globally
>> 4 million con
> So we use about ten common Intel based servers for BEs (sized to
> support loss of 2/3 servers) and store data on NAS. Users are active
> and filer is about tens of thousand nfsop/s at the busy hour.
>
> About 10% to 20% of the users connect at least one time a day, globally
> 4 million connectio
embre 2010 10:48
À : info-cyrus@lists.andrew.cmu.edu
Objet : RE: A beginner question about Murder
Dear Michel,
> we use a modified "traditional" murder, i.e. without murder daemon,
> to host more than 2 million mailboxes (dozen million entries in mboxlist
> with folders)
Wow,
Dear Michel,
> we use a modified "traditional" murder, i.e. without murder daemon,
> to host more than 2 million mailboxes (dozen million entries in mboxlist
> with folders)
Wow, that's some figure. Care to share some details with the list? What
kind of hardware (both for servers and storage), wh
eptembre 2010 20:16
À : Andrew Morgan
Cc : Shuvam Misra; info-cyrus@lists.andrew.cmu.edu
Objet : Re: A beginner question about Murder
On 08 Sep 2010, at 16:41, Andrew Morgan wrote:
> Unfortunately, I've never setup a "unified" Murder, so I don't fully
> understand what the advan
Hi,
> The tricky part is - there should be a master, and it should
> probably either be chosen by some sort of election between the active
> servers (here lies high-availability heartbeat magic) or by IP address
> allocation. Anybody know if avahi and friends can help here?
spread (http://www.sp
Quoting Shuvam Misra :
This means that there's no (easy) way to compile the murder master to
keep its config and meta-data files in a different directory from the one
used by the back-end cyrus IMAP daemon, I guess. Am I right?
No. You only have to add -C option in cyrus.conf to point to an
On Fri, Sep 10, 2010 at 09:37:29AM +0530, Shuvam Misra wrote:
> > Yes, this. Absolutely. The replication code is pretty safe for
> > multi-master
> > in my branch already. At least for mailboxes. Sieve, Seen and Subs are
> > somewhat trickier. I think the only really safe way is to keep "dele
> Yes, this. Absolutely. The replication code is pretty safe for multi-master
> in my branch already. At least for mailboxes. Sieve, Seen and Subs are
> somewhat trickier. I think the only really safe way is to keep "deletion"
> entries around and replicate those too so you can tell the differ
> >What internal
> >details prevent a front-end server, mupdate server, and back-end
> >server
> >from coexisting on the same physical system? Is it that there's no
> >facility in the back-end server feature to make it listen only on
> >localhost:imap and not on *:imap?
>
> No. Mostly it's a forma
On 09/08/2010 11:41 AM, Shuvam Misra wrote:
> I've never set up Murder (I'm sure it's obvious)
It seems obvious to me, destroy all the evidence. (snicker)
--
Sincerely,
John Thomas
Cyrus Home Page: http://www.cyrusimap.org/
List Archives/Info: http://lists.andrew.cmu.edu/pipermail/info-
On Thu, Sep 09, 2010 at 02:15:52PM -0400, Wesley Craig wrote:
> On 08 Sep 2010, at 16:41, Andrew Morgan wrote:
> > Unfortunately, I've never setup a "unified" Murder, so I don't fully
> > understand what the advantages and disadvantages of it compared to a
> > "traditional" Murder. Maybe someone
On 08 Sep 2010, at 16:41, Andrew Morgan wrote:
> Unfortunately, I've never setup a "unified" Murder, so I don't fully
> understand what the advantages and disadvantages of it compared to a
> "traditional" Murder. Maybe someone else can jump in here with their
> experiences.
The main advantage
> >Does this mean that all cyradm-type admin connections must connect
> >to one
> >or other of the back-end servers? Can I get admin tasks done by
> >connecting to one of the front-end servers too?
>
> Most admin tasks are proxied by the frontends. If defaultserver or
> serverlist aren't set, crea
On Sep 9, 2010, at 2:20, Shuvam Misra
wrote:
> What internal
> details prevent a front-end server, mupdate server, and back-end
> server
> from coexisting on the same physical system? Is it that there's no
> facility in the back-end server feature to make it listen only on
> localhost:imap
On Sep 8, 2010, at 17:17, "Jeroen van Meeuwen (Kolab Systems)"
wrote:
> - In a tradition Murder setup the master update server cannot be
> combined with
> a backend or frontend server.
The murder master can also be a frontend server, but not a backend
server. The mailboxes.db in a traditi
On Sep 9, 2010, at 2:22, Shuvam Misra
wrote:
> Does this mean that all cyradm-type admin connections must connect
> to one
> or other of the back-end servers? Can I get admin tasks done by
> connecting to one of the front-end servers too?
Most admin tasks are proxied by the frontends. If d
Le 09/09/2010 01:48, Jeroen van Meeuwen (Kolab Systems) a écrit :
> Clement Hermann (nodens) wrote:
>> In traditional murder (no autocreate/autosieve patch), the murder
>> process can run on a frontend. However, it cannot run on a backend.
>>
>> We have a webmail running on our murder (2.2.x) serve
Quoting Shuvam Misra :
On Wed, Sep 08, 2010 at 01:41:26PM -0700, Andrew Morgan wrote:
> Unfortunately, I've never setup a "unified" Murder, so I don't fully
> understand what the advantages and disadvantages of it compared to a
> "traditional" Murder. Maybe someone else can jump in here with th
Dear Andrew,
> In a "traditional" Cyrus Murder (not a "unified" Murder), there are
> 3 roles:
>
> 1. backends - these store email
> 2. frontends - these proxy incoming connections to the correct backend
> 3. mupdate master - maintains the list of mailboxes in the Murder
>
> There can only be 1 m
> On Wed, Sep 08, 2010 at 01:41:26PM -0700, Andrew Morgan wrote:
> > Unfortunately, I've never setup a "unified" Murder, so I don't fully
> > understand what the advantages and disadvantages of it compared to a
> > "traditional" Murder. Maybe someone else can jump in here with their
> > experie
Clement Hermann (nodens) wrote:
> In traditional murder (no autocreate/autosieve patch), the murder
> process can run on a frontend. However, it cannot run on a backend.
>
> We have a webmail running on our murder (2.2.x) server, and it uses
> localhost as imap server, so it acts as a frontend.
>
Le 08/09/2010 23:17, Jeroen van Meeuwen (Kolab Systems) a écrit :
> Andrew Morgan wrote:
>> In a "traditional" Cyrus Murder (not a "unified" Murder), there are 3
>> roles:
>>
>> 1. backends - these store email
>> 2. frontends - these proxy incoming connections to the correct backend
>> 3. mupdate m
Bron Gondwana wrote:
> On Wed, Sep 08, 2010 at 11:17:00PM +0200, Jeroen van Meeuwen (Kolab Systems)
wrote:
> > - For autocreate/autosieve (patches for which Cyrus is not upstream but
> > they are shipped with Fedora and Red Hat Enterprise Linux packages), the
> > frontend servers must be disabled
Bron Gondwana wrote:
> On Wed, Sep 08, 2010 at 11:17:00PM +0200, Jeroen van Meeuwen (Kolab Systems)
wrote:
> > - For autocreate/autosieve (patches for which Cyrus is not upstream but
> > they are shipped with Fedora and Red Hat Enterprise Linux packages), the
> > frontend servers must be disabled
On Wed, Sep 08, 2010 at 11:17:00PM +0200, Jeroen van Meeuwen (Kolab Systems)
wrote:
> - For autocreate/autosieve (patches for which Cyrus is not upstream but they
> are shipped with Fedora and Red Hat Enterprise Linux packages), the frontend
> servers must be disabled for local direct delivery t
On Wed, Sep 08, 2010 at 01:41:26PM -0700, Andrew Morgan wrote:
> Unfortunately, I've never setup a "unified" Murder, so I don't fully
> understand what the advantages and disadvantages of it compared to a
> "traditional" Murder. Maybe someone else can jump in here with their
> experiences.
And
On Thu, 9 Sep 2010, Shuvam Misra wrote:
> Dear all,
>
> If I have, say, three IMAP servers each hosting a few thousand mailboxes,
> and I want to aggregate all of them for the IMAP client, I'll run Murder
> on one of the servers.
>
> 1. Can I run Murder on one of the back-end servers? If yes, it
Hello,
The cyrus murder/aggregator finds its machines by their names, not ip. You have
to have dns records or all /etc/hosts configured.
You may use virtual machines for the mupdate master, for example, at your
servers.
Regards.
Andre Felipe Machado
Cyrus Home Page: http://www.cyrusimap.org/
Dear all,
If I have, say, three IMAP servers each hosting a few thousand mailboxes,
and I want to aggregate all of them for the IMAP client, I'll run Murder
on one of the servers.
1. Can I run Murder on one of the back-end servers? If yes, it will act
as an aggregator for incoming connection
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