Hi, I wanted t test gluster a little bit for the usage in Dovecot Postbox Serves. I set up two servers with a replicated gluster and mounted the bricks via gluster client. On these two nodes I installed dovecot. So I created a high available test szenario. I configured dovecdot to usr maildir format and mainly copied the dovecot options for NFS setup: mail_fsync = always mail_nfs_storage = yes mail_nfs_index = yes mmap_disable = yes Basically that tells dovecot to use fcntl() locks. With the thunderbird IMAP client I accessed te two postboxes on the two node. One client the first dovecot node, the other client the second node. Both used the same user, so did access the same maildir files. First everything looked good, but within ten minutes of creating, moving and deleting mails and folders I produced the following log: node2 dovecot: imap(user1@xxxxxxxxxxx): Error: Corrupted transaction log file /srv/mail/user1@xxxxxxxxxxx/dovecot.index.log seq 3: file_seq=3, min_file_offset (4768) > max_file_offset (3392) (sync_offset=3392) node2 dovecot: imap(user1@xxxxxxxxxxx): Error: Index /srv/mail/user1@xxxxxxxxxxx/dovecot.index: Lost log for seq=3 offset=2948 node2 dovecot: imap(user1@xxxxxxxxxxx): Warning: fscking index file /srv/mail/user1@xxxxxxxxxxx/dovecot.index The mailbox was not accessible any more and dovecot did not accept any new mails for the user. Any ideas what went wrong? I this a legitimate use case for gluster? Could I prevent this from happening if I restrict oew user access only o one gluster node? Mit freundlichen Grüßen, Michael Schwartzkopff -- [*] sys4 AG http://sys4.de, +49 (89) 30 90 46 64, +49 (162) 165 0044 Franziskanerstraße 15, 81669 München Sitz der Gesellschaft: München, Amtsgericht München: HRB 199263 Vorstand: Patrick Ben Koetter, Marc Schiffbauer Aufsichtsratsvorsitzender: Florian Kirstein
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