Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
> google for drbd ko-count ... > I assume your Secondaries IO-subsystem got stuck. > > you should configure ko-count = 6 or so. > it would have started to count ".... ko = 6", > and at "ko = 0" it would have gone StandAlone, > recovering from this situation. > > you should also upgrade to a 2.6 kernel, > where this won't lock up the box but only the drbd partition. > 2.4 has only _one_ runqueue for _all_ disks, if it gets stuck > on one disk, all io is stuck. Thanks for quiqly reply! I have solved now... A SCSI HotSwap Disk was crashed ( over HP Server ) and the system was degraded. I'm very fun of Trustix server. Unfortunately Trustix Stable is still 2.4 kernel. Thanks again and excuse me! Sim