Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
On Fri, Dec 18, 2015 at 11:35:43AM +0100, Melanie Desaive wrote: > Hi all, > > we are at the moment experiencing irregular out-of-sync blocks on > our highly loaded system with the nightly drbd verify jobs. > > Disconnect/connect does swiftly put the devices back into a correct state. > > Still I would like to investigate the issue and find out what files > are concerned by the out of sync blocks. > > Is it possible to translate the information about the start of the > out of sync area from the log into ext4 filesystem blocks (4 KiB)? > Is it maybe simply "(sectors=512 Byte) / (ext4 block size=4096 Byte)"? > > ... block drbd7: Out of sync: start=22378360, size=8 (sectors) That's linear block address sectors (512 byte), so if the first byte is byte number 0, this is the 4k block from byte offset 512 * 22378360 (exclusive) to 512 * (22378360 + 8) (inclusive). Lars Ellenberg