Interesting use case. Can AFR also use bit rot detection and heal from a good copy (if possible)? Thanks Naga > On 06-Nov-2014, at 8:48 pm, Alok Srivastava <asrivast@xxxxxxxxxx> wrote: > > Thanks Venky for sharing the details. > I have included Pranith and Atin for a specific question: > > With current implementation of erasure coding, Do we have the capability of detecting and correcting bit rot? > > Let's say we have fragments of a file on multiple bricks and a read request is sent to the bricks, a brick doesn't respond as it may have disk(s) damaged by bit rot or any other failure. Will EC detect and correct bit rot in this case? > > Regards > Alok > > > ----- Original Message ----- > From: "Venky Shankar" <vshankar@xxxxxxxxxx> > To: gluster-devel@xxxxxxxxxxx > Cc: "Vijay Bellur" <vbellur@xxxxxxxxxx>, "Ric Wheeler" <rwheeler@xxxxxxxxxx>, "Alok Srivastava" <asrivast@xxxxxxxxxx>, "Raghavendra Bhat" <rabhat@xxxxxxxxxx> > Sent: Friday, October 31, 2014 4:09:03 PM > Subject: BitRot notes > > Hey folks, > > Myself and Raghavendra (@rabhat) have been discussing about BitRot[1] > and came up with a list of high level tasks (breakup items) captured > here[2]. The pad will be updated on an ongoing basis reflecting the > current status/items that are being worked on. As always, contributions > in any form (design, code, doc, etc..) are more than welcome (just make > sure you're heard on the pad/email :)) > > [1]: > http://www.gluster.org/community/documentation/index.php/Features/BitRot > [2]: https://public.pad.fsfe.org/p/glusterfs-bitrot-notes > > Thanks, > venky > _______________________________________________ > Gluster-devel mailing list > Gluster-devel@xxxxxxxxxxx > http://supercolony.gluster.org/mailman/listinfo/gluster-devel > > _______________________________________________ Gluster-devel mailing list Gluster-devel@xxxxxxxxxxx http://supercolony.gluster.org/mailman/listinfo/gluster-devel