Hey guys - it's been fixed. Your help and some good work by a Tom Glascock (www.dentar.com) got it fixed. It is regenerating now. Basically mdadm and a custom kernel was involved. Scott Bolander Computer Services of Cincinnati http://www.cincysystems.com scott@xxxxxxxxxxxxxxxx 513-266-6656 "I said, 'government is powerless to protect you,' not powerless to punish you." --Chief Wiggum, The Simpsons Neil Brown said: > On Thursday September 16, gordon@xxxxxxxxxx wrote: >> On Thu, 16 Sep 2004, Luca Berra wrote: >> >> > On Thu, Sep 16, 2004 at 07:30:49AM -0400, Scott Bolander wrote: >> > >I have a Mandrake 10 server with a 40gb boot drive and a three 200gb >> disk >> > >software raid 5 array using reiserfs. A disk went bad; so i have >> replaced >> > >it. >> > > >> > >Doing the normal things to get it back up don't work: >> > > >> > >[root@server root]#raidhotadd /dev/md0 /dev/hdg >> > .... >> > ># cat /etc/raidtab >> > >raiddev /dev/md0 >> > >raid-level 5 >> > >chunk-size 128k >> > >persistent-superblock 1 >> > >nr-raid-disks 3 >> > > device /dev/hdg1 >> > > raid-disk 0 >> > > device /dev/hdi1 >> > > raid-disk 1 >> > > device /dev/hdk1 >> > > raid-disk 2 >> > > >> > so you replaced the first disk in the array? >> > raidtools are not capable of handling this. >> > switch to mdadm >> >> Er - Maybe I'm missing something (like the original message in this >> thread), but I've successfully used raidtools to raidhotremove and >> raidhotadd the first drive (and others) in a raid5 set.., Once on a real >> 'hot' system, a server with SCSI drives which I didn't power cycle, and >> on >> IDE systems where I've done a sequence of raidhotremove, power down, >> change physical drive, boot up, cfdisk new drive, then raidhotadd... > > The problem is with "raidstart", not "raidhotremove". > If you use auto-detect then you won't have a problem. > If you use raidstart to start your arrays, you could have a problem. > > NeilBrown > > - > To unsubscribe from this list: send the line "unsubscribe linux-raid" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > - To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
