ok, does running : tune2fs -O ^dir_index /dev/whatever ...take a really long time for large filesystems? If so, downgrading may be better. Thanks, Sabuj On Mon, Apr 15, 2013 at 9:58 AM, Michael Brown <michael at netdirect.ca> wrote: > On 13-04-15 10:47 AM, Sabuj Pattanayek wrote: > > Does this force ext4 to return 32 bit hash values, i.e. have the same > > effect has downgrading the kernel to pre 2.6.32-268.el6 ? > Yes, it should work properly after that. > > You can verify with the attached program (which I found while > researching this) - it should return low offsets: > > $ ./d_off /export/bricks/5001173100000000/glusterdata/ > .: 4 (4) > ..: 6 (6) > .glusterfs: 9 (9) > common: 12 (12) > fng1: 15 (15) > fng2: 18 (18) > fng3: 21 (21) > fng4: 24 (24) > scratch: 27 (27) > sql: 30 (30) > jdk: 512 (512) > > M. > > -- > Michael Brown | `One of the main causes of the fall of > Systems Consultant | the Roman Empire was that, lacking zero, > Net Direct Inc. | they had no way to indicate successful > ?: +1 519 883 1172 x5106 | termination of their C programs.' - Firth > > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://supercolony.gluster.org/pipermail/gluster-users/attachments/20130415/540fad83/attachment-0001.html>