Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
>On Sep 17, 2007 13:31 -0400, Maurice Volaski wrote: >> In using drbd 8.0.5 recently, I have come across at least two >> instances where a bit on disk apparently flipped spontaneously in the >> ext3 metadata on volumes running on top of drbd. >> >> Also, I have been seeing regular corruption of a mysql database, >> which runs on top of drbd, and when I reported this as a bug since I >> also recently upgraded mysql versions, they question whether drbd >> could be responsible! > >Seems unlikely - more likely to be RAM or similar (would include cable >for PATA/SCSI but that is less likely an issue for SATA). > Shouldn't trip the ECC and produce machine check exceptions and ones that were unrecoverable? The disks are part of hardware RAID with a SATA II cableless backplane and SATA-SCSI controller, so there is a SCSI cable and SCSI HBA (LSI Logic). -- Maurice Volaski, mvolaski at aecom.yu.edu Computing Support, Rose F. Kennedy Center Albert Einstein College of Medicine of Yeshiva University