[mythtv-users] optimal ext2fs formatting for recordings

[Nick Rout]

On Fri, Sep 5, 2008 at 2:19 AM, John Drescher <drescherjm at gmail.com> wrote:
>>> http://gentoo-wiki.com/HOWTO_Setup_Kernel/System_for_MythTV
>>> http://everything2.com/index.pl?node_id=1479435
>>>
>>
>> Reading that second article you'd never think that XFS offers superior
>> delete performance to ext3 (which it does).   I guess they weren't
>> using large enough files.
>>
> And the difference enormous. I mean on my system when I had ext3
> deleting a 10GB file (outside of myth so no slow deletes) took minutes
> and made the system unresponsive during the delete. With the same
> hardware with and XFS 10GB files take less than a second. However
> there is one big benefit to ext3 and reiserfs (both have very slow
> deletes) is that you can undelete files from both (I have recovered
> accidentally deleted mythtv recordings from both) while with XFS I do
> not believe this is possible. Also reiserfs and ext3 both allow
> filesystem shrinking while XFS can only grow.

LOL for most myth users thats not actually a problem: "gee mom I have
too much recording space in mythtv, we better shrink it"