[mythtv-users] What is the problem with ReiserFS that makes it unsuitable for MythTV?
Scott Alfter
mythtv at salfter.dyndns.org
Tue Feb 5 07:17:38 UTC 2008
While chasing down problems with corrupted recordings (most commonly with HD
recordings over FireWire from my cable box, though the odd PVR-500 recording
gets glitchy too), I decided to try switching to a different filesystem. I
googled for "best filesystem for mythtv" and got the MythTV installation howto,
which I hadn't checked in ages.
I'm currently copying everything to a USB-connected hard drive that serves as
my long-term video storage before I reformat the drive with the MythTV video
files. I checked to see what filesystem it's currently using...turns out it's
ReiserFS 3.6. Turns out the howto has this warning:
NOTE: You must not use ReiserFS v3 for your recordings. You will get
corrupted recordings if you do.
There's also mention of ReiserFS having problems dealing with large files, but
mention of it is lumped in with FAT (which doesn't support large files at all).
I know ext3 takes a long time to delete large files, which is why I didn't
use it for MythTV storage (though I use it for the root and boot filesystems).
ReiserFS doesn't appear to have that problem at least, and you can create
large files in it. What other things could there be about ReiserFS that
warrant the aforementioned notice that I've previously missed?
I'm on the fence as to whether to go with JFS or XFS (just compiled both as
modules and added the relevant mkfs/fsck/etc. tools). I've tried JFS in the
past...seem to recall it was usually OK, though it sometimes needed to be
manually fsck'd to get it running right after a reset or power outage. I don't
think I've ever used XFS for anything. Which of these would be the better way
to go?
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