[mythtv-users] Fragmentation On Recording Disk?

R. G. Newbury newbury at mandamus.org
Fri Apr 6 03:01:57 UTC 2007


Rod Smith wrote:

> I don't know the exact algorithms used by the different filesystems for where 
> to place new files. No doubt those would affect fragmentation, and it might 
> be useful to change, or at least tune, these algorithms for filesystems that 
> store particularly large files. I've not looked into this matter, though; I 
> don't know if there are any tuning parameters for ext3fs, XFS, or any other 
> filesystem that might be useful for MythTV users.

Reducing the inode count for a mythtv partition might be useful. We 
don't record 10,000 files in 100G...we record maybe 100 files in 100G.
Changing the inode percentage can recover an appreciable amount of disk 
space..not that does *much* about fragmentation, but it does help *a 
little*.

Geoff





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