Re: [Dovecot] RAID1+md concat+XFS as mailstorage

2012-06-29 Thread Wojciech Puchar
The executive summary is something like: when raid5 fails, because at that point you effectively do a raid scrub you tend to suddenly notice a bunch of other hidden problems which were lurking and your rebuild fails (this and no raid will protect you from every failure. You have to do backups.

Re: [Dovecot] RAID1+md concat+XFS as mailstorage

2012-06-29 Thread Wojciech Puchar
Has anyone tried or benchmarked ZFS, perhaps ZFS+NFS as backing store for yes. long time ago. ZFS isn't useful for anything more than a toy. I/O performance is just bad.

[Dovecot] auth service: out of memory

2012-06-29 Thread Mailing List SVR
Hi, I have some out of memory errors in my logs (file errors.txt attached) I'm using dovecot 2.0.19, I can see some memory leaks fix in hg after the 2.0.19 release but they seem related to imap-login service, I attached my config too, is something wrong there? Should I really increase the

Re: [Dovecot] Removing specific entry in user/auth cache

2012-06-29 Thread Angel L. Mateo
El 29/06/12 07:32, Timo Sirainen escribió: On 29.6.2012, at 5.18, Daniel Parthey wrote: wouldn't it be better to use a syntax similar to other doveadm commands, with labels for all arguments? doveadm auth test -u user -p [pass] doveadm auth cache flush -u [user] doveadm auth cache stats This

Re: [Dovecot] auth service: out of memory

2012-06-29 Thread Timo Sirainen
On 29.6.2012, at 9.35, Mailing List SVR wrote: I have some out of memory errors in my logs (file errors.txt attached) How large is your auth process's VSZ when it starts up and has handled a couple of logins? It's possible that it's not leaking at all, you're just not giving enough memory for

Re: [Dovecot] Removing specific entry in user/auth cache

2012-06-29 Thread Timo Sirainen
On 29.6.2012, at 10.13, Angel L. Mateo wrote: Other command it could be usefull is to remove a temporal user-server association in director. For example, I had a downtime in one server, so users normally directed to this server is now been directed to other. Now I want a user to get

Re: [Dovecot] auth service: out of memory

2012-06-29 Thread Mailing List SVR
Il 29/06/2012 09:19, Timo Sirainen ha scritto: On 29.6.2012, at 9.35, Mailing List SVR wrote: I have some out of memory errors in my logs (file errors.txt attached) How large is your auth process's VSZ when it starts up and has handled a couple of logins? It's possible that it's not leaking

Re: [Dovecot] auth service: out of memory

2012-06-29 Thread Timo Sirainen
On 29.6.2012, at 10.39, Mailing List SVR wrote: Il 29/06/2012 09:19, Timo Sirainen ha scritto: On 29.6.2012, at 9.35, Mailing List SVR wrote: I have some out of memory errors in my logs (file errors.txt attached) How large is your auth process's VSZ when it starts up and has handled a

Re: [Dovecot] auth service: out of memory

2012-06-29 Thread Mailing List SVR
Il 29/06/2012 09:45, Timo Sirainen ha scritto: On 29.6.2012, at 10.39, Mailing List SVR wrote: Il 29/06/2012 09:19, Timo Sirainen ha scritto: On 29.6.2012, at 9.35, Mailing List SVR wrote: I have some out of memory errors in my logs (file errors.txt attached) How large is your auth

[Dovecot] Preferred LDAP Attribute for home/mail location

2012-06-29 Thread Edgar Fuß
Is there, among the dovocot community, any preferred LDAP schema and attribute to use for setting the home/mail storage location? Some people seem to use the qmail schema, some a Jamm schema (whatever that is), and Markus Effinger has even created a dovecot schema

[Dovecot] director directing to wrong server (sometimes)

2012-06-29 Thread Angel L. Mateo
Hello, I have discovered a strange behaviour with director proxying... I have a user, its assigned server is 155.54.211.164. The problem is that I don't know why director sent him yesterday to a different server, because my server was up all the time. Moreover, I'm using poolmon in

Re: [Dovecot] RAID1+md concat+XFS as mailstorage

2012-06-29 Thread Charles Marcus
On 2012-06-28 4:35 PM, Ed W li...@wildgooses.com wrote: On 28/06/2012 17:54, Charles Marcus wrote: RAID10 also statistically has a much better chance of surviving a multi drive failure than RAID5 or 6, because it will only die if two drives in the same pair fail, and only then if the second one

Re: [Dovecot] RAID1+md concat+XFS as mailstorage

2012-06-29 Thread Charles Marcus
On 2012-06-29 2:19 AM, Wojciech Puchar woj...@wojtek.tensor.gdynia.pl wrote: Has anyone tried or benchmarked ZFS, perhaps ZFS+NFS as backing store for yes. long time ago. ZFS isn't useful for anything more than a toy. I/O performance is just bad. Please stop with the FUD... 'long time ago'?

Re: [Dovecot] RAID1+md concat+XFS as mailstorage

2012-06-29 Thread Dr Josef Karthauser
Kelsey Cummings wrote: On 06/28/12 05:56, Ed W wrote: So given the statistics show us that 2 disk failures are much more common than we expect, and that silent corruption is likely occurring within (larger) real world file stores, there really aren't many battle tested options that can

Re: [Dovecot] RAID1+md concat+XFS as mailstorage

2012-06-29 Thread Charles Marcus
On 2012-06-29 1:02 AM, Dr Josef Karthauser j...@tao.org.uk wrote: I will never rely on a non-checksumming file system for production use again, for data that is existed to persist over time. Nice! I'm seriously considering buying a Nexenta Storage device if/when our storage needs require

Re: [Dovecot] RAID1+md concat+XFS as mailstorage

2012-06-29 Thread Ed W
On 29/06/2012 12:15, Charles Marcus wrote: On 2012-06-28 4:35 PM, Ed W li...@wildgooses.com wrote: On 28/06/2012 17:54, Charles Marcus wrote: RAID10 also statistically has a much better chance of surviving a multi drive failure than RAID5 or 6, because it will only die if two drives in the

[Dovecot] doveadm purge -A via doveadm-proxy director fails after some users

2012-06-29 Thread Daniel Parthey
Hi, we have configured userdb and passdb in the director and try to iterate all users and pass the purge command via doveadm proxy to port 19000 on the correct director backend host. A single purge -u usern...@example.org via doveadm-proxy works correctly, but iterating over some users

Re: [Dovecot] Preferred LDAP Attribute for home/mail location

2012-06-29 Thread Patrick Ben Koetter
* Edgar Fuß e...@math.uni-bonn.de: Is there, among the dovocot community, any preferred LDAP schema and attribute to use for setting the home/mail storage location? There are many. Here's another one: http://www.postfix-buch.com/download/postfix-book.schema.gz -- state of mind ()

Re: [Dovecot] lmtp proxy timeout while waiting for reply to DATA reply

2012-06-29 Thread Daniel Parthey
Timo Sirainen wrote: On Sat, 2012-04-28 at 13:00 +0200, Daniel Parthey wrote: we are experiencing similar sporadic data timeout issues with dovecot 2.0.20 as in http://dovecot.org/pipermail/dovecot/2011-June/059807.html at least once a week. Some mails get temporarily deferred in the

[Dovecot] Proxy config help please

2012-06-29 Thread Zac Israel
Hello, I am new to dovecot and I am initially trying to setup a basic imap proxy with password forwarding, I can start the dovecot service, connect and give it my password, and that is where I hang. My config is: root@imap-test:/etc/dovecot# doveconf -n # 2.0.19: /etc/dovecot/dovecot.conf # OS:

Re: [Dovecot] What does namespace inbox {... mean

2012-06-29 Thread Thomas Hochstein
Jonathan Ryshpan schrieb: It appears from the wiki that the word following the namespace declarator (if this is the right word) should be either public, shared, or private, and describes a property of the namespace being declared. AFAIS the word following the keyword namespace is the name

Re: [Dovecot] director directing to wrong server (sometimes)

2012-06-29 Thread Daniel Parthey
Hi Angel, Angel L. Mateo wrote: I have a user, its assigned server is 155.54.211.164. The problem is that I don't know why director sent him yesterday to a different server, because my server was up all the time. Moreover, I'm using poolmon in director servers to check availability of final

Re: [Dovecot] RAID1+md concat+XFS as mailstorage

2012-06-29 Thread Stan Hoeppner
On 6/28/2012 7:15 AM, Ed W wrote: On 28/06/2012 13:01, Костырев Александр Алексеевич wrote: somewhere in maillist I've seen RAID1+md concat+XFS being promoted as mailstorage. Does anybody in here actually use this setup? I've decided to give it a try, but ended up with not being able to