[Dovecot] Strange issue in NFS

[Alex Baule]

There is Strange....

Jan 19 13:15:54 brc dovecot: imap(alex at exemplo.com.br): Error:
mremap_anon(3166208) failed: Cannot allocate memory
Jan 19 13:15:54 brc dovecot: imap(alex at exemplo.com.br): Error:
mremap_anon(3231744) failed: Cannot allocate memory
Jan 19 13:15:54 brc dovecot: imap(alex at exemplo.com.br): Error:
mremap_anon(3293184) failed: Cannot allocate memory
Jan 19 13:15:55 brc dovecot: imap(alex at exemplo.com.br): Error:
mremap_anon(3424256) failed: Cannot allocate memory
Jan 19 13:15:55 brc dovecot: imap(alex at exemplo.com.br): Error:
mremap_anon(3555328) failed: Cannot allocate memory
Jan 19 13:15:55 brc dovecot: imap(alex at exemplo.com.br): Error:
mremap_anon(3633152) failed: Cannot allocate memory
Jan 19 13:15:55 brc dovecot: imap(alex at exemplo.com.br): Error:
mremap_anon(3686400) failed: Cannot allocate memory
Jan 19 13:15:56 brc dovecot: imap(alex at exemplo.com.br): Error:
mremap_anon(3948544) failed: Cannot allocate memory
Jan 19 13:15:56 brc dovecot: imap(alex at exemplo.com.br): Error:
mremap_anon(4005888) failed: Cannot allocate memory
Jan 19 13:15:57 brc dovecot: imap(alex at exemplo.com.br): Error:
mremap_anon(3141632) failed: Cannot allocate memory
Jan 19 13:15:57 brc dovecot: imap(alex at exemplo.com.br): Error: read() failed
with file /storage/nfs/3/emexis/messages/
exemplo.com.br/alex/Maildir/dovecot.index.cache: Cannot allocate memory
Jan 19 13:15:57 brc dovecot: imap(alex at exemplo.com.br): Error:
opendir(/storage/nfs/3/emexis/messages/exemplo.com.br/alex/Maildir/new)
failed: Cannot allocate memory



That can be a nfs client error ? Something like error in nfs client with
memory allocation ?


2011/1/16 Timo Sirainen <tss at iki.fi>

> On Wed, 2011-01-12 at 11:08 -0200, Alex Baule wrote:
> > Jan 12 10:57:50 brc dovecot: imap(alex at exemplo.com.br): Error:
> > opendir(/storage/nfs/3/emexis/messages/
> > exemplo.com.br/alex/Maildir/.Drafts/new) failed: Cannot allocate memory
>
> I've never seen opendir() fail with ENOMEM before.
>
> > Jan 12 10:57:51 brc last message repeated 4 times
> > Jan 12 10:57:59 brc dovecot: imap(alex at exemplo.com.br): Fatal:
> > block_alloc(262144): Out of memory
>
> My guess: You're going into infinite loop somewhere that keeps
> allocating memory.
>
> > What is most used "Shared Disk" in Dovecot ?
>
> People use NFS, GFS2, OCFS2, etc.
>
>