Corrupt mail files

[jarod-ajLrJawYSntWk0Htik3J/w at public.gmane.org (Jarod Wilson)]

On Jun 11, 2009, at 4:29 PM, Nathan Meyers wrote:

> Jarod Wilson wrote:
>>
>> On Jun 11, 2009, at 4:06 PM, david-8uUts6sDVDvs2Lz0fTdYFQ at public.gmane.org wrote:
>>
>>
>>>> david-8uUts6sDVDvs2Lz0fTdYFQ at public.gmane.org wrote:
>>>>
>>>>> - It could be that I'm using ext4, which might not have been a  
>>>>> smart
>>>>> thing.
>>>>>
>>>> This, or a hardware problem, seems most likely, given the mail
>>>> tools are
>>>> all fairly mature and reliable. You might want to test this out
>>>> temporarily by symlinking the spool to another file system or an  
>>>> NFS
>>>> mount.
>>>>
>>> That's an excellent suggestion. My MythTV recording partitions are
>>> still
>>> ext3.  I'll look up tonight, but I assume there's a way to convert
>>> an ext4
>>> partition to ext3.
>>>
>>
>> Sort of. You won't get the benefits of delayed allocation, since that
>> was done when you formatted the file system ext3, and only newly
>> created files will take advantage of extents support.
>>
>> https://fedoraproject.org/wiki/
>> Ext4_in_Fedora_11#How_do_I_migrate_from_Ext3_to_Ext4.3F
>>
> He wants to go backwards. I don't think that's possible.

Gah, right, reading comprehension failure. No, there's no way to go  
back without reformatting. Although...

http://tzukanov.narod.ru/convertfs/

I've actually used that to move an ext3 filesystem to xfs (or vice  
versa, I forget), but I dunno that I'd trust my mail server to it.  
Pretty ingenious stuff it does though.


-- 
Jarod Wilson
jarod-ajLrJawYSntWk0Htik3J/w at public.gmane.org