On Wed, Jun 05, 2013 at 08:06:10AM +1000, Dave Chinner wrote: > On Tue, Jun 04, 2013 at 11:20:30AM -0500, Ben Myers wrote: > > Dave, > > > > On Tue, Jun 04, 2013 at 12:53:07PM +1000, Dave Chinner wrote: > > > On Mon, Jun 03, 2013 at 11:10:11AM +0200, Emmanuel Florac wrote: > > > > Le Mon, 3 Jun 2013 17:44:52 +1000 vous écriviez: > > > > > > > > > There has been some assertions made recently that metadata CRCs have > > > > > too much overhead to always be enabled. So I'll run some quick > > > > > benchmarks to demonstrate the "too much overhead" assertions are > > > > > completely unfounded. > > > > > > > > Just a quick question: what is the minimal kernel version and xfsprogs > > > > version needed to run xfs with metadata CRC? I'd happily test it on > > > > real hardware, I have a couple of storage servers in test in the 40 to > > > > 108 TB range. > > > > > > If the maintainers merge all the patches I send for the 3.10-rc > > > series, then the 3.10 release should be stable enough to use for > > > testing with data you don't care if you lose. > > > > > > As for the userspace code - that is still just a patchset. I haven't > > > had any feedback from the maintainers about it in the past month, so > > > I've got no idea what they are doing with it. I'll post out a new > > > version in the next couple of days - it's 50-odd patches by now, so > > > it'd be nice to have it in the xfsprogs git tree so people could > > > just pull it and build it for testing purposes by the time that 3.10 > > > releases.... > > > > When it is reviewed and adequately tested we'll pull it in. Until then > > Emmanuel will need to pull down the patchset. Right now the focus is on > > 3.10. > > And when will that be? I've already been waiting the best part of a > month for anyone to even comment on it, and I've got 5 private pings > in the past 3 days asking about how to get the userspace code so > they can test the new kernel code.... > > How about this: I post an up-to-date patch set, and you guys commit > it to a "crc-dev" branch in the oss xfsprogs git tree. The branch > can be thrown away when the code is reviewed, but in the mean time > we can point early adopters and testers to that branch rather than > ask them to pull down and apply a 50 patch series to a git tree? Sounds good to me. -Ben _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs
