Re: JFS in Linux [Was: Reiser4 patches.]
On Thu, 2008-04-03 at 08:27 +0100, Steve Dobson wrote:
> Dean
>
> On Thu, 2008-04-03 at 09:44 +1100, Dean Hamstead wrote:
> > From what i have read JFS may not be in the kernel much longer. Dont
> > know, worth someone filling me in.
>
> Now you have me worried. Were did you read this? I was thinking moving
> some of my partitions to JFS, but if it is going to be removed from the
> kernel...
>
> I had problems with a XFS partition on my MythTV box. A friend had said
> that he had encountered problems with his MythTV system and recommended
> that the video store be on it's own disk as the IO of a PVR stressed the
> disk more than normal usage. Seamed sensible, so I did just that.
>
> Two years later sure enough I got IO errors on the video store. Bad
> blocks with a high logical block address, IIRC. I put the disk to one
> side for later testings.
>
> It took me a while to testing the thing, but I wanted to find out just
> how
> badly damaged it was. I ran badblocks(8) with the full read/write
> tests.
> No errors. Clean bill of health. I re-formatted it and re-installed it
> in the MythTV box and it's been running fine for 6-12 months now. I'm
> waiting to see if it fails again.
>
> Maybe this was a one off glitch. Maybe its a bug in the XFS code, or in
> the
> kernel disk subsystem. Unless/until it happens again I can't
> investigate to
> be sure. But I want a backup plan and if it did prove to be XFS I
> would
> want to switch to another fast file system and JFS is my next choice.
>
> So where did you read of this removal of JFS from the kernel? Why it it
> being
> considered? And how credible is this? Those two little sentences have
> really opened a new can of worms.
I've suffered catastrophic data loss to JFS twice on my mythtv box, and
once on a critical office machine.
Just for the other side of the coin
--
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/ Jo Shields <jms@osc.ox.ac.uk> \
| Systems Manager, |
\ Oxford Supercomputing Centre /
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