Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
/ 2005-05-09 15:25:27 +0200 \ Alessandro Ferrari: > Hi Sandra, Lars, > > I have the same problem too: > > May 6 09:24:49 server kernel: EXT3-fs error (device drbd(43,0)): > ext3_free_blocks: Freeing blocks in system zones - Block = 152, count = 1 > ext3_check_descriptors: Block bitmap for group 896 not in group (block > 29261657)! > > but my configuration is very different! > > I have master machine with 760Gb on RAID 1+0 by 3Ware controller, It's > LAN-mirrored with drbd version: 0.6.13 (api:64/proto:62) on slave machine > with 777Gb /dev/md0 on software-RAID 0. Culprit and solution outside DRBD, which was innocent here: Turning off hardware write cache seems to have solved the problem. Out of curiosity: What effect (felt or measured) this hardware cache had on performance? Lars Ellenberg