On Tuesday 02 September 2003 05:04, Michael Welsh Duggan wrote: > I currently have two small Software RAIDs, a RAID 1 for my root > partition, and a RAID 5 for my usr partition. One of the disks in the > arrays died, and I threw in a new disk in with the intention of > rebuilding the arrays. > > The rebuilds failed, but in an extremely strange fashion. Monitoring > /proc/mdstat, it seems that the rebuilds are going just fine. When > they finish however, /proc/mdstat includes the new disk, but also > declares it invalid. The system continues running in degraded mode. > > When I run this from the root console, I get some messages from the > raid subsystem, including full debugging output. I have not yet > figured out how to capture this output in order to include in this > message, but I did write down a part of one attempt (this was by hand, > so there may be small inconsistancies): > > RAID5 conf printout > --- rd:3 wd:2 fd:1 > disk 0, s:0, o:1, n:0 rd:0 us:1 dev:ide/host0/bus0/target1/lun0/part3 > disk 1, s:0, o:0, n:0 rd:0 us:0 dev:[dev 00:00] > disk 2, s:0, o:1, n:2 rd:2 us:1 dev:ide/host2/bus1/target0/lun0/part3 > md: bug in file raid5.c, line 1901 > > Here is some output from my system. If any more information would be > useful, or anyone thinks I should try something else, please let me > know. I would like to get out of my currently degraded state! Hi, Neil has posted several mdadm commands for similar problems like this. So I think you should install mdadm, search in the list-archive for problems like this and try to get a working array using mdadm. Regards, Bernd - To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
