It is, and we configured it to use dotlock.

On Thursday, 27-12-2018 at 9:37 Aki Tuomi wrote:
Is this a NFS system?

Aki

> On 27 December 2018 at 16:01 Qmail Dev <qmail@top-consulting.net> wrote:
>
>
> Alright, but do you know why the error happens ?
>
>
> On Thursday, 27-12-2018 at 2:51 Aki Tuomi wrote:
>
>
> > On 27 December 2018 at 00:55 Qmail Dev  wrote:
> >
> >
> > Hello,
> >
> > I run Dovecot 2.3.2.1 and I keep separate index / control files:
> >
> >
> > mail_location =
> >
> maildir:~/Maildir:INDEX=/liveindexes/indexes/%d/%n:CONTROL=/liveindexes/control/%d/%n
> >
> > When I try to set an ACL on a folder, I get this error:
> >
> >
> > Dec 26 17:35:56 imap2 dovecot: imap(user@domain.com): Error:
> >
> file_dotlock_open(/home/vpopmail/domains/domain.com/user/Maildir/.Test/dovecot-acl)
> > failed: Resource temporarily unavailable
> > Dec 26 17:35:56 imap2 dovecot: Error: imap(user@domain.com): Mailbox
> > Test: Failed to set ACL
> >
> >
> > Is it normal for it to try opening the dotlock in the Maildir ?
> >
> > When I list that directory, the lock file did get created
> > -rw-------   1 vpopmail  vchkpw        0 Dec 26 17:35
> > dovecot-acl.lock
> >
> > Any help is appreciated!
>
> The lockfile is created there, because the ACL file itself is created
> there too.
>
> Aki