[Dovecot] deliver: command died with signal 6

[Timo Sirainen]

On Jan 20, 2009, at 5:35 AM, Jan-Frode Myklebust wrote:

> On 2009-01-20, Jan-Frode Myklebust <janfrode at tanso.net> wrote:
>>
>> I tried setting mmap_disable=yes today, but got two new failures 2.5
>> hours later :-(
>
> I check the logs for the last failure, and see that at the
> same second two servers were trying to deliver separate messages
> to the same account. I'll try avoiding a bit of these parallell
> deliveries by changing MX to prefer one host. That might help as
> a workaround, but might fail next time this preferred host is
> too busy to process all requests..

That really sounds like the problem then is with GPFS, perhaps it has  
some internal caching that doesn't work as Dovecot expects.. Maybe  
Dovecot v1.1 with mail_nfs_*=yes settings would fix it too (I know it  
helps FUSE filesystems like glusterfs).