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

Tony Lill ajlill at ajlc.waterloo.on.ca
Thu Jun 22 04:06:31 UTC 2006


Matthias Thyroff <Matthias at thyroff.net> writes:

> Am Mittwoch, 21. Juni 2006 08:29 schrieb Steve Hodge:
>> On 6/21/06, Indulis Bernsteins <indulis.b at au1.ibm.com> wrote:
>> > 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.
>>
>> I think you're still missing the point. A backup is not necessary -
>> losing some recordings isn't that much of a problem. But if you've got
>> multiple drives in your machine anyway, it'd be nice to not lose all
>> your recordings, and it'd be nice to be able to set that up without
>> using RAID. RAID 5 costs you capacity and is less easy to add or
>> remove drives from.
>>
>> Steve
>> _______________________________________________
>> mythtv-users mailing list
>> mythtv-users at mythtv.org
>> http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
>
> You could set up a  userjob to move the files to other filesystems in a "round 
> robin" style, i.e. each time to another configured filesystem (check for 
> space upfront?), and create a link in your original mythtv filesystem, and 
> configure myth to follow links when deleting. 
>
> Could be additional disks or network shares.
>
> Adding a new drive would be an issue to-be-solved: you have to reach an equal 
> fill for all drives after adding a new disk; but that should be possible with 
> an additional script. 
>
> I am glad that the discussion is back to technical issues. 

Look in the contrib area for the mytharchive script
--
Tony Lill,                         Tony.Lill at AJLC.Waterloo.ON.CA
President, A. J. Lill Consultants        fax/data (519) 650 3571
539 Grand Valley Dr., Cambridge, Ont. N3H 2S2     (519) 241 2461
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