[mythtv-users] "background" balancing disks in a storage group
Michael T. Dean
mtdean at thirdcontact.com
Wed Apr 21 23:46:59 UTC 2010
On 04/21/2010 07:36 PM, Chris Pinkham wrote:
> * On Wed Apr 21, 2010 at 06:07:07PM -0400, Brian J. Murrell wrote:
>> Given that one of the nice features of storage groups is to spread disk
>> i/o load among spindles, I wonder if there is anything (i.e.
>> transparently) balancing space amongst disks in a storage group to keep
>> the disks evenly available in space.
> Nothing exists like this currently. We have talked about the idea
> previously, in fact I have a patch which adds code to the JobQueue
> to do the actual file migration. There are a bunch of other things
> on my TODO list that are higher priority that this though. If someone
> wants to code this up, patches are more than welcome if discussed
> ahead of time. Your only option right now is to use the new 'balance
> disk space' option for Storage Groups in 0.22 and above, or to balance
> things manually yourself (what I do occasionally), or to write a perl
> script or hack something like my myth_archive_job.pl sample User Job
> to do this.
Wow, nice timing. Speaking of which:
Feel free to improve on that script.
For MythTV proper, though, Chris's approach is the right one--to add the
functionality to the backend.
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