[Dovecot] mailbox size limit

Bill Cole dovecot-20061108 at billmail.scconsult.com
Sat Nov 17 18:32:16 EET 2007

At 6:23 PM +0300 11/17/07, Nikolay Shopik wrote:
>On 17.11.2007 18:11, Nikolay Shopik wrote:
>>On 17.11.2007 17:56, Bazy wrote:


>>>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

Another way to express that: if your average file size is less than 
8KB, you will run out of inodes before you run out of disk space. 
This would present a real risk for file-per-message mailstores, since 
most email messages are significantly smaller that 8KB.

The bytes per inode value is something that can be selected when 
creating a filesystem, and different OS's and filesystems have 
different defaults. Whether a particular filesystem is headed for 
inode exhaustion really depends on how it was created and all of its 

Bill Cole                                  
bill at scconsult.com

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