Am Mittwoch, 26. August 2015, 11:09:23 schrieb Dave Chinner: > On Wed, Aug 26, 2015 at 02:39:11AM +0200, Carlos E. R. wrote: > > -----BEGIN PGP SIGNED MESSAGE----- > > Hash: SHA256 > > > > On 2015-08-26 01:43, Dave Chinner wrote: > > > On Tue, Aug 25, 2015 at 04:09:33PM -0700, Shrinand Javadekar > > > > > > wrote: > > >> Formatted the new disks with mkfs.xfs. Ran the workload. > > >> Reformatted the disks with mkfs.xfs -f. Ran the workload. > > > > > > Anyway, please post the output so we can see the differences for > > > ourselves. What we need is mkfs output in both cases, and xfs_info > > > > > > output in both cases after mount. > > > > Suggestion (for the OP): > > > > To reformat a third time without "-f", you can reformat as ext4, then > > format a second time as xfs. > > That doesn't work - mkfs.xfs detects that the device has an ext4 > filesystem on it, and demands you use -f to overwrite it. > > > But to imitate a new disk, you have to > > zero it with dd. > > Only the first MB or so - enough for blkid not to be able to see a > filesystem signature on it. wipefs command. Thanks, -- Martin _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs