Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
/ 2005-11-10 11:14:27 +0100 \ rixed at happyleptic.org: > > Hi ! > > Im trying to set up a drbd config involving 2 computers, one with three SCSI > hard discs, and another with 3 IDE hards disks. Three partitions of same size > are thus kept in sync with drbd (3 drbd ressources). > > Im experiencing strange things during initial synchronisation if the SCSIs are > the primaries (sync source) : quickly, the SCSI driver output many error > messages. Eventually, the sync will fail after some tens of minutes (giving a > kernel panic on both sides). > > When I sync the other way round, all go cleanly. > > I've checked the SCSI drives both using the controler integrated checks in BIOS > and by reading them all (cat /dev/sda>/dev/null), and they look OK. Plus, this > is not always the same drbd ressources that fails. > > I cannot give precisely the SCSI error messages since Im at home at the moment, > but I suspect them to be misleading anyway. > > Any clue where I could find clues ? on the ide box: netcat -l -p 4001 > /dev/null netcat -l -p 4002 > /dev/null netcat -l -p 4003 > /dev/null on the scsi box, in parallel (not the trailing &): dd if=/dev/sdX1 bs=4k | netcat idebox 4001 & dd if=/dev/sdX2 bs=4k | netcat idebox 4002 & dd if=/dev/sdX3 bs=4k | netcat idebox 4003 & obviously while DRBD is _not_ running. if that triggers similar behaviour, your scsi/dma whatever is broken. -- : Lars Ellenberg Tel +43-1-8178292-0 : : LINBIT Information Technologies GmbH Fax +43-1-8178292-82 : : Schoenbrunner Str. 244, A-1120 Vienna/Europe http://www.linbit.com : __ please use the "List-Reply" function of your email client.