Partitioning Scheme

[Chloé Desoutter]

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,

-- 
Chloé Desoutter
Atasta NET

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