On Thu, Nov 07, 2002 at 09:34:14AM -0600, Eric Sandeen wrote:
>On Thu, 2002-11-07 at 09:17, George Georgalis wrote:
>> I've seen a few
>> mentions of the Linux xfs realtime subvolume but no doc, is it ready for
>> production? From what I can tell, it's a non journeled contiguous data
>The realtime volume is not supported, although it is basically
>functional. You need to do an ioctl to the file to mark it realtime
>after it's created (but before any data is written to it) and then do
>Direct I/O to the file from then on. The main difference is a more
>deterministic allocator that should allocate bigger chunks at a time.
>"realtime" is perhaps a bit of a misnomer. Oh, and it is journalled
>just as the main data volume is.
Can you give examples of 'direct i/o'? do you mean like dd? from which I
can pipe stdout to my media player?
> >Maybe I should just use ext2 for the media files? Would that be
>> higher performance? I'm not too worried about fsck, because in the case
>> of corruption I can remake the filesystem (data partition) and renew the
>> data from the node server.
>You'll probably just need to test in your environment, and see what
>works best. Different filesystems excel at different things...
Yes, just trying to glean as much as I can before I spend time learning
things I don't need to know. :) Thanks for the tips.
GEORGE GEORGALIS, System Admin/Architect cell: 347-451-8229
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