[mythtv-users] Hard Drive Performance

Francesco Peeters Francesco at FamPeeters.com
Thu Mar 30 21:24:18 UTC 2006


On Thu, March 30, 2006 23:20, Ryan Steffes said:
>>
>> The normal usage pattern for the recording dirctory of a mythtv system
>> is quite close to a worst case scenario:
>>
>> - huge files
>> - filesystem almost completely full all the time
>> - lots of deletions / new files
>> - especially bad if you've got several video cards and do concurrent
>> recordings.
>>
>> My 1.4Tb video dir with xfs showed significantly degraded performance
>> after about 9 months; state of filesysem: ~800 files stored using more
>> than 1.5 million fragments, with a fragmentation factor of 99.97%. This
>> means that each file is on average distributed over almost 2000 seperate
>> locations on disk, which does NOT help performance AT ALL :-)
>
>
>
> Reiserfs running on LVM.  It seemed like a real good idea at the time...
> I've only got a little over half a terabyte of storage, but I don't have
> tons of freespace to shuffle things and start again with xfs.

Which fs would be best for the video partition? ReiserFS? EXT3? Any others?

-- 
Francesco Peeters
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