Partitioning Scheme

[Chloé Desoutter]

Le 02/01/2014 23:05, Brad Galbraith a écrit :
> Thank you. Looks like relatime would be a good route.
>
> Can you confirm a simple partition scheme as such? It's been many 
> years since I've done this (hence my old school /boot) and I hate 
> doing things twice.
>
> / 6GB
> /tmp 1GB
> /var/spool/imap/  900GB with relatime mount option
Nothing more needed. Backups are your best option for data safety. 
Partitioning won't ever save you.

Yours sincerely
>
> Thanks again,
>
> Brad
>
> Chloé Desoutter wrote:
>> Le 02/01/2014 22:43, Brad Galbraith a écrit :
>>> *So something like this then?
>>>
>>>  / 6GB
>>>  /tmp 1GB
>>>  /var/spool/imap/  900GB
>>>
>>>
>>> Don't add*
>>>
>>> /var/lib/mysql/
>>> /var/lib/imap/
>>>
>>> I'll read up on relatime or noatime  but would you mind expanding on 
>>> that a bit? The advantage with kolab?
>> Basically, w/o relatime or noatime, each time a file will be 
>> accessed, the file's metadata (access time) will need to be written 
>> on disk. This adds a slight amount of I/O especially when dealing 
>> with big mailboxes (for example when indexing or performing a full 
>> text search). This and keeping atime consistent isn't useful for 
>> cyrus IMAP folders because all is handled with Cyrus' own metadata 
>> system.
>>
>> The explanation here summarizes it well: 
>> http://linux.koolsolutions.com/2009/01/30/installing-linux-on-usb-part-4-noatime-and-relatime-mount-options/ 
>>
>>
>> I use relatime,nodiratime as my mount options for /var/spool/imap 
>> (because I'm unsure that relatime applies to directories).
>>
>> Yours sincerely,
>>
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>
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-- 
Chloé Desoutter
Atasta NET

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