[mythtv-users] Is there a distributed filesystem available?

[Indulis Bernsteins]

An alternative would be to have a 2nd disk, with a different filesystem on 
it (run JFS/XFS on the main mythtv filesystem, and the other one on your 
"backup" filesystem).

Then set up a job which permanently cycles around looking for new files 
(find has an option to find files created/modified since XXXX), and copies 
them to the 2nd disk. Set this up to be low priority (nice -20) or to run 
at a time when mythtv is not recording. If your 1st filesystem or disk 
crashes, remount your 2nd drive's filesystem as the main one.

Also, I don't think that using the Software RAID mirroring is as bad as 
you say (ie days of rebuild), esp for mirroring/RAID 1.   There are alot 
of other things which can cause major problems and if you have an OS 
filesystem crash what are you going to do?  Days to rebuild, right?  I 
think you are making life too complex for yourself and focussing on 
creating a solution to a problem that is rare- there are a LOT of other 
things that can bite you (do you have a 2nd power supply in your server? a 
standby server?). 

But that is just my opinion, if you want to have 2 filesystems, then go 
for it!  It'd actually be a nice thing if mythtv could handle multiple 
filesystems for storage.

Indulis
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