Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
W dniu 10 lipca 2011 22:09 użytkownik Łukasz Oleś <lukaszoles at gmail.com> napisał: > Hi, > > I configured drbd on two 3,5TB disks. Then I created iscsi target on > it. On initiator side I created LVM on it. Then I created 6k files > 500MB each. > All time drbd was connected and in UpToDate state. Then I switched > nodes. Destination become source, I checked md5 sums and on two files > I got diffrent results. > > I'm using kernel 2.6.27 and drbd 8.3.10 on Debian based distribution. > I tried to run verify but few seconds after start it hanged. So I > updated drbd to version 8.3.11 and now verify is running ok, but it > will take 16h. > > Any idea why did it happen and how to prevent it in the future? Here is drbdadm verify result: block drbd1: Starting Online Verify from sector 0 [35897.938685] block drbd1: Out of sync: start=4222499840, size=128 (sectors) [55680.388075] block drbd1: Out of sync: start=6608443968, size=64 (sectors) [61738.210494] block drbd1: Out of sync: start=7340031488, size=512 (sectors) [61738.211438] block drbd1: Online verify done (total 60837 sec; paused 0 sec; 60324 K/sec) [61738.211441] block drbd1: Online verify found 88 4k block out of sync! [61738.211447] block drbd1: conn( VerifyS -> Connected ) [61738.211452] block drbd1: helper command: /sbin/drbdadm out-of-sync minor-1 [61738.214964] block drbd1: helper command: /sbin/drbdadm out-of-sync minor-1 exit code 0 (0x0) [61738.215694] block drbd1: bitmap WRITE of 3 pages took 0 jiffies [61738.215697] block drbd1: 352 KB (88 bits) marked out-of-sync by on disk bit-map Any idea what happened? Do you need any additional information? -- Łukasz Oleś