hank peng wrote:
> Hi, folks:
> I am using XFS in storing video suvillence data, and today I found
> "realtime subvolume" feature on SGI website. I used to make xfs with
> default parameters, but I think this feature is maybe very useful to
> SGI website said: XFS supports the notion of a "realtime subvolume" -
> a separate area of disk space where only file data is stored. This is
> really what I need, since disk space become biger and biger nowerdays,
> if some sectors are corrupted, video data is lost which is acceptable
> but the whole XFS filesystem down is not acceptable.
> I googled some information, but it seems that few people made use of
> this feature. I wonder if it is usable in my case and how do I use it?
build with CONFIG_XFS_RT=y, and see the mkfs man page for the -r option.
Then mount with -o rtdev=/dev/blah
And test the heck out of it, it doesn't get that much use.