[Dovecot] mailbox size limit

[Nikolay Shopik]

On 17.11.2007 18:11, Nikolay Shopik wrote:
> On 17.11.2007 17:56, Bazy wrote:
>> Nikolay Shopik wrote:
>>  
>>> On 17.11.2007 16:54, Bazy wrote:
>>>    
>>>> Hi guys,
>>>>
>>>> I was wondering... my Inbox is 1.3GB large, my mailbox size limit 
>>>> is 6GB
>>>> (6442450941). Other users have 500+ MB in their Inbox.
>>>>
>>>> I have about 27GB of mail. I'm running dovecot 1.0.7 now under 
>>>> Fedora 7
>>>> with postfix. I have no trouble at all, everything is working perfect.
>>>>
>>>> I use ext3 as my file system, and I store mail in maildir format.
>>>>
>>>> Will I have any inode, file system, issues?
>>>> Is anyone storing more then 27GB in maildir format on only one ext3
>>>> partition?
>>>>
>>>>
>>>>
>>>> Here is my dovecot -n output:
>>>>
>>>> # 1.0.7: /etc/dovecot.conf
>>>> log_path: /var/log/dovecot.log
>>>> log_timestamp: %Y-%m-%d %H:%M:%S
>>>> protocols: imap imaps pop3
>>>> ssl_cert_file: /etc/postfix/smtpd.cert
>>>> ssl_key_file: /etc/postfix/smtpd.key
>>>> login_dir: /var/run/dovecot/login
>>>> login_executable(default): /usr/libexec/dovecot/imap-login
>>>> login_executable(imap): /usr/libexec/dovecot/imap-login
>>>> login_executable(pop3): /usr/libexec/dovecot/pop3-login
>>>> login_max_processes_count: 512
>>>> mail_location: maildir:/home/vmail/%d/%n/
>>>> mail_executable(default): /usr/libexec/dovecot/imap
>>>> mail_executable(imap): /usr/libexec/dovecot/imap
>>>> mail_executable(pop3): /usr/libexec/dovecot/pop3
>>>> mail_plugins(default): quota imap_quota
>>>> mail_plugins(imap): quota imap_quota
>>>> mail_plugins(pop3): quota
>>>> mail_plugin_dir(default): /usr/lib/dovecot/imap
>>>> mail_plugin_dir(imap): /usr/lib/dovecot/imap
>>>> mail_plugin_dir(pop3): /usr/lib/dovecot/pop3
>>>> imap_client_workarounds(default): outlook-idle delay-newmail
>>>> imap_client_workarounds(imap): outlook-idle delay-newmail
>>>> imap_client_workarounds(pop3): outlook-idle
>>>> pop3_client_workarounds(default):
>>>> pop3_client_workarounds(imap):
>>>> pop3_client_workarounds(pop3): outlook-no-nuls oe-ns-eoh
>>>> auth default:
>>>>   mechanisms: plain login
>>>>   passdb:
>>>>     driver: sql
>>>>     args: /etc/dovecot-sql.conf
>>>>   userdb:
>>>>     driver: sql
>>>>     args: /etc/dovecot-userdb-sql.conf
>>>>   socket:
>>>>     type: listen
>>>>     client:
>>>>       path: /var/spool/postfix/private/auth
>>>>       mode: 432
>>>>       user: postfix
>>>>       group: postfix
>>>> plugin:
>>>>   quota: maildir:storage=102400
>>>>
>>>>
>>>> [root:pts/0][~]# cat /etc/dovecot-sql.conf
>>>> driver = mysql
>>>> connect = host=/var/lib/mysql/mysql.sock user=mail_admin
>>>> password=XXXXXXXX dbname=mail
>>>> default_pass_scheme = CRYPT
>>>> password_query = SELECT password FROM users WHERE
>>>> CONCAT(SUBSTRING_INDEX(email,'@',1)) = '%n' AND
>>>> CONCAT(SUBSTRING_INDEX(email,'@',-1)) = '%d';
>>>>
>>>>
>>>> [root:pts/0][~]# cat /etc/dovecot-userdb-sql.conf
>>>> driver = mysql
>>>> connect = host=/var/lib/mysql/mysql.sock user=mail_admin
>>>> password=XXXXXXXX dbname=mail
>>>> user_query = SELECT CONCAT(('/home/vmail/'),
>>>> SUBSTRING_INDEX(email,'@',-1),'/',SUBSTRING_INDEX(email,'@',1),'/') as
>>>> home, 5000 as uid, 5000 as gid, CONCAT('maildir:storage=',
>>>> floor(quota/1024)) as quota FROM users WHERE email = '%u';
>>>>         
>>> Hi,
>>>
>>> What kind issues you thinking about? I'm storing currently about 
>>> 40Gb of
>>> mails. You mean, run out of number inodes on your partition?
>>>     
>>
>> Yes, that's what I meant. Run out of inodes on that partition.
>>   
> I don't think so.
> If /V/ is the volume size in bytes, then the default number of inodes 
> is given by /V//2^13
> That's more than enough.
>
should look like this -  V/2^13