> -----Original Message----- > From: ceph-devel-owner@xxxxxxxxxxxxxxx [mailto:ceph-devel- > owner@xxxxxxxxxxxxxxx] On Behalf Of Sage Weil > Sent: Monday, August 10, 2015 3:52 PM > To: Константин Сахинов > > On Mon, 10 Aug 2015, ?????????? ??????? wrote: > > Uploaded another corrupted piece. > > > > 2015-08-10 16:18:40.027726 7f7979697700 -1 log_channel(cluster) log > > [ERR] : be_compare_scrubmaps: 3.fd shard 6: soid > > f2e832fd/rbd_data.ab7174b0dc51.0000000000000249/head//3 data_digest > > 0x64e94460 != known data_digest 0xaec3bea8 from auth shard 10 > > > > # ceph-post-file ceph-6-rbd_data.ab7174b0dc51.0000000000000249 > > ceph-post-file: e96e5828-b97c-45f1-8e3f-23abbf700865 > > > > # ceph-post-file ceph-10-rbd_data.ab7174b0dc51.0000000000000249 > > ceph-post-file: e1277a33-74a5-4d46-93c8-266bd81867db > > > > I dont' think of bad disk: > > - all OSDs SMART is clean, > > - I tried to ceph pg repair 3.d8 on another OSDs in the past with the > > same result. Then I rebalanced the cluster so that pg 3.d8 moved to > > [7,1]. > > Again, it's all single bit changes: > > [..] > > It looks like it's also always the least significant bit in a 4-byte word. > > Can you see if there is any pattern to which OSDs are used for the > inconsistent PGs? I would check machines that host those PGs for memory errors, especially if they don't have ECC RAM sticks or ECC feature is disabled. http://www.memtest.org/ is a good tool for this purpose. With best regards / Pozdrawiam Piotr Dałek ÿ淸º{.nÇ+돴윯돪†+%듚ÿ깁負¥Šwÿº{.nÇ+돴œz˜ÿu銀쀸㎍썳變}©옽Æ zÚ&j:+v돣?®w?듺2듷솳鈺Ú&¢)傘«a뛴ÿÿ鎬z요z받쀺+껠šŽ듶¢jÿŠw療f