[mythtv-users] Hard Drive Performance

[Ryan Steffes]

>
> 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.
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