[Dovecot] fs quota check with server does not support rquotad

[Grandy Fu]

Both Test 1 and Test 2 disconnected me immediately after login with error:
---------------------
dovecot: Jul 14 11:39:19 Info: IMAP(01234567g): Quota root: name=INBOX 
backend=fs args=noenforcing:mount=/var/mail
dovecot: Jul 14 11:39:19 Info: IMAP(01234567g): mbox: 
data=/home/h1/sc/01234567g/mail:INBOX=/var/mail/01234567g:INDEX=/localdisk/dovecot.cache/cache/01234567g
dovecot: Jul 14 11:39:19 Info: IMAP(01234567g): fs: 
root=/home/h1/sc/01234567g/mail, 
index=/localdisk/dovecot.cache/cache/01234567g, control=, 
inbox=/var/mail/01234567g
dovecot: Jul 14 11:39:19 Info: IMAP(01234567g): fs quota add storage dir 
= /home/h1/sc/01234567g/mail
dovecot: Jul 14 11:39:19 Info: IMAP(01234567g): fs quota block device = 
homesvr:/h1
dovecot: Jul 14 11:39:19 Info: IMAP(01234567g): fs quota mount point = 
/home/h1
dovecot: Jul 14 11:39:19 Error: IMAP(01234567g): fcntl(0, F_GETFL) 
failed: Bad file number
dovecot: Jul 14 11:39:19 Fatal: IMAP(01234567g): fd_set_nonblock(0) 
failed: Bad file number
dovecot: Jul 14 11:43:27 Warning: Killed with signal 15
-------------------------------------------

Test 3:
Command and output
-----------------
getquotaroot "Trash"
* QUOTAROOT "Trash" "INBOX"
* QUOTA "INBOX" (STORAGE 10 1000)
 OK Getquotaroot completed.
---------------------

At the same time log shows:
------------------------
dovecot: Jul 14 11:52:51 Info: IMAP(01234567g): quota-fs: host=mailsvr, 
path=/var/mail, uid=3475
dovecot: Jul 14 11:52:51 Info: IMAP(01234567g): quota-fs: uid=3475, 
value=10240, limit=1024000, active=1
dovecot: Jul 14 11:52:51 Info: IMAP(01234567g): quota-fs: host=homesvr, 
path=/h1, uid=3475
dovecot: Jul 14 11:52:51 Error: IMAP(01234567g): quota-fs: could not 
contact RPC service on homesvr
dovecot: Jul 14 11:52:51 Info: IMAP(01234567g): quota-fs: host=mailsvr, 
path=/var/mail, uid=3475
dovecot: Jul 14 11:52:51 Info: IMAP(01234567g): quota-fs: uid=3475, 
value=10240, limit=1024000, active=1
dovecot: Jul 14 11:52:51 Info: IMAP(01234567g): quota-fs: host=mailsvr, 
path=/var/mail, uid=3475
dovecot: Jul 14 11:52:51 Info: IMAP(01234567g): quota-fs: uid=3475, 
value=10240, limit=1024000, active=1
dovecot: Jul 14 11:52:51 Info: IMAP(01234567g): quota-fs: host=homesvr, 
path=/h1, uid=3475
dovecot: Jul 14 11:52:51 Error: IMAP(01234567g): quota-fs: could not 
contact RPC service on homesvr
--------------------------------

Grandy

> mmmh...
>
> so you are using:
>
>    plugin {
>      quota  = fs:INBOX:mount=/var/mail
>      quota2  = fs:home:noenforcing:mount=/home/h1
>    }
>
> but "fs:home:noenforcing:mount=/home/h1" will not work and you just 
> added it do make "fs:INBOX:mount=/var/mail" work? Maybe it's worth to 
> have a closer look to this first:
>
> Test 1)
>
>    Use:
>
>    plugin {
>      quota  = fs:INBOX:mount=/var/mail
>      #quota2  = fs:home:noenforcing:mount=/home/h1
>    }
>
>    What output generates:
>
>    telnet <your-imp-server> 143
>    - login <your-login-name> <your-password>
>    - getguotaroot "INBOX"
>    - getquotaroot "Trash"
>    . logout
>
> Test 2)
>
>    Use:
>
>    plugin {
>      quota  = fs:INBOX:mount=/var/mail
>      #quota2  = fs:home:noenforcing:mount=/home/h1
>    }
>
>    What output generates:
>
>    telnet <your-imp-server> 143
>    - login <your-login-name> <your-password>
>    - getguotaroot "INBOX"
>    - getquotaroot "Trash"
>    . logout
>
>
> Test 3)
>    Use:
>
>    plugin {
>      quota  = fs:INBOX:mount=/var/mail
>      quota2  = fs:home:noenforcing:mount=/home/h1
>    }
>
>    What output generates:
>
>    telnet <your-imp-server> 143
>    - login <your-login-name> <your-password>
>    - getguotaroot "INBOX"
>    - getquotaroot "Trash"
>    . logout
>
>
> BTW: I've you don't like to send your password unencrypted use this 
> instead of 'telnet <your-imp-server> 143':
>
>     openssl s_client -connect <your-imp-server>:993
>
>
> Regards, Ralf
>