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...imes the multiple accesses came from different servers (stand alone IMAP client and a webmail system), but there is corruption even when all the accesses are going through the same server. (Yes, we need a director. I am working on integrating that into our network.) -- Bruce Guenter <bruce at untroubled.org> http://untroubled.org/ -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 833 bytes Desc: Digital signature URL: <http://dovecot.org/pipermail/dovecot/attachments/20170724/7b07318f/attac...

...ad of just a semi-persistent load balancer), the instances have been reduced, but it is still happening on accounts that are not being accessed across multiple servers. I will see if I can pin these down to a single server and move them onto non-shared storage there. -- Bruce Guenter <bruce at untroubled.org> http://untroubled.org/ -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 833 bytes Desc: Digital signature URL: <http://dovecot.org/pipermail/dovecot/attachments/20170731/0fe350e5/attac...

...of cross-node access. > i think you could rare the corrupt > with optimize settings > to i.e > > mail_fsync = always > mmap_disable = yes I have those, but... > mail_nfs_storage = yes > mail_nfs_index = yes I missed seeing those. Thanks -- Bruce Guenter <bruce at untroubled.org> http://untroubled.org/ -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 833 bytes Desc: Digital signature URL: <http://dovecot.org/pipermail/dovecot/attachments/20170721/c85d3bd2/attac...

> On July 24, 2017 at 7:54 PM Bruce Guenter <bruce at untroubled.org> wrote: > > > On Mon, Jul 24, 2017 at 08:39:36AM +0300, Aki Tuomi wrote: > > Do you have users accessing the files concurrently from more than one > > dovecot instance at a time? > > Yes. Apparently it is fairly common behavior for some IMAP clients to > op...

...ugin { mail_log_events = delete undelete expunge copy mailbox_delete mailbox_rename } ssl_cert = </etc/ssl/dovecot/server.pem ssl_key = # hidden, use -P to show it userdb { driver = passwd } userdb { args = /etc/dovecot/dovecot-sql.conf.ext driver = sql } -- Bruce Guenter <bruce at untroubled.org> http://untroubled.org/ -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 833 bytes Desc: Digital signature URL: <http://dovecot.org/pipermail/dovecot/attachments/20170721/ba6f53ed/attac...

...I just confirmed this. One of the mailboxes was deleted and recreated from scratch, and since recreation it has only been accessed on a single box. It *still* is having corrupt index problems. This is not just caused by accessing the mailboxes on different servers. -- Bruce Guenter <bruce at untroubled.org> http://untroubled.org/ -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 833 bytes Desc: Digital signature URL: <http://dovecot.org/pipermail/dovecot/attachments/20170721/5bc19d63/attac...

...to sftp-server simply sends the debug messages to the client's stderr (instead of sshd's stderr) which doesn't help. Is there any way to do this? I am not averse to doing a local modification to the source to make this happen, if that will be necessary. -- Bruce Guenter <bruce at untroubled.org> http://untroubled.org/ -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 836 bytes Desc: Digital signature URL: <http://lists.mindrot.org/pipermail/openssh-unix-dev/attachments/20120825...

...verbose("command is on pid %ld", (long)pid); break; } @@ -729,6 +730,7 @@ do_exec_pty(Session *s, const char *command) do_child(s, command); /* NOTREACHED */ default: + verbose("command is on pid %ld", (long)pid); break; } -- Bruce Guenter <bruce at untroubled.org> http://untroubled.org/ -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 836 bytes Desc: Digital signature URL: <http://lists.mindrot.org/pipermail/openssh-unix-dev/attachments/20120829...

Hi, For the past day, I have been researching about making dovecot to support mailfront (http://untroubled.org/mailfront/) imapfront-auth natively and able to use mailfront imapfront-auth with dovecot imap v1.2.16 without starting any dovecot related services and no /etc/dovecot.conf file is required. More information about this can be read at: http://lists.untroubled.org/?list=bgware&cmd=sho...

Hello, I'm trying to run mailfront SMTP (http://untroubled.org/mailfront/) under Dovecot 2.x process/service supervision My intention was to utilize the fact that dovecot2.x seems to have some kind of generic process/service supervision as well as builtin ssl support. But I cannot get the most simple generic service setup (without ssl) to work. Curre...

...0 e8 73 37 fe ff c7 45 e0 00 00 00 00 8d 74 26 00 eb d3 <0f> 0b eb fe 66 90 55 89 e5 83 ec 5c 89 75 f8 89 c6 8d 80 c8 fe [ 492.164012] EIP: [<f87a646a>] btrfs_link+0x17a/0x180 [btrfs] SS:ESP 0068:f5037eb0 [ 492.170162] ---[ end trace 2c24404282a55ea4 ]--- -- Bruce Guenter <bruce@untroubled.org> http://untroubled.org/

Hi! I was just wondering how Ext3 and Reiserfs compare. When I reinstalled my server (because of a stupid hacker) I took the opportunity to change to ReiserFS. And I have to say it's really much faster than Ext3. I don't have benchmarks, but for example, stuff like "make dep" on the linux kernel is much faster (even though I had enabled write cache when I was using ext3). So

> On 1 Aug 2017, at 6.23, Bruce Guenter <bruce at untroubled.org> wrote: > > On Mon, Jul 24, 2017 at 07:56:23PM +0300, Aki Tuomi wrote: >> Well, dovecot does not really guarantee access concurrency safety if you access indexes using more than one instance of dovecot at the same time. > > Pardon my ignorance, but how does Dovecot hand...

Greetings I've searched to no avail so far... there is bound to be something more intelligible out there...??? I am playing with bonnie++ for the first time... May I please get some advise and list experience on using this or other disk subsystem benchmark programs properly with or without a GUI ? Test system in this case is a Compaq DL360 with 2 to 4 Gig DRAM and qty (2) 36Gig 10k drives

I just want to check and make sure not missing anything. I'm trying to convert a customer away from UW. unfortunately, all of the mailboxes are in MBX format (my own mistake coming back to haunt me). mailutil doesn't seem to do conversions properly. It keeps complaining about an existing copy of /mbox and only if I say to -merge append will the copy proceed. mailsync doesn't

Hello everybody, I hope this question is appropriate for this list. Apologies if not. I am running a set of virtual machines under debian 6, to build a mail/collaboration server. I am mainly using dovecot, postfix, openldap and heimdal. Mails are stored using maildir, on a NFSv4 share. My users are system users, but using LDAP and libpam-ldap and libnss-ldap for caching credentials

...ither UsePrivilegeSeperation on or off, so I do not believe it is a PrivSep issue. Am I mistaken in thinking that disabling compression on the server would simply silently disable compression for all connections to that server? -- Bruce Guenter <bruceg at em.ca> http://em.ca/~bruceg/ http://untroubled.org/ OpenPGP key: 699980E8 / D0B7 C8DD 365D A395 29DA 2E2A E96F B2DC 6999 80E8 -------------- next part -------------- A non-text attachment was scrubbed... Name: not available Type: application/pgp-signature Size: 232 bytes Desc: not available Url : http://lists.mindrot.org/pipermail/openssh-un...

...uch that the file write effectively happens in the journal before the rename? That is, is there any chance that, if a crash occurred, that the destination directory would contain a link to an incompletely written file? Thanks. -- Bruce Guenter <bruceg at em.ca> http://em.ca/~bruceg/ http://untroubled.org/ OpenPGP key: 699980E8 / D0B7 C8DD 365D A395 29DA 2E2A E96F B2DC 6999 80E8 -------------- next part -------------- A non-text attachment was scrubbed... Name: not available Type: application/pgp-signature Size: 189 bytes Desc: not available URL: <http://listman.redhat.com/archives/ext3-us...

Are there any benchmark resultss that meaningfully compare performance of ext2 vs ext3 vs rieserfs vs sgi xfs? What about effect on cpu usage?

I was just thinking how they could be easily supported. This would work, right? : imap stream tcp nowait root /usr/sbin/tcpd /usr/local/libexec/dovecot/imap-login imaps stream tcp nowait root /usr/sbin/tcpd /usr/local/libexec/dovecot/imap-login --ssl imap-login would try to connect to master process using some named socket. If it couldn't, it would create the master process itself. Master