Yeah, I realized I didn't have the partition types set right. I've set them to 'fd' and we'll see what happens when I reboot it tonight. On Tue, 13 Apr 2004 15:28:32 -0400 Martin Stone <martin.stone@xxxxxx> wrote: > A few thoughts: > > 1. use fdisk -l and just make sure that the partitions you think make up > your md device are the ones you're trying to add (i.e., make sure /dev/hde1 > is the size you expect, is partition type "fd", etc). > > 2. make sure that what's in /etc/raidtab matches what you learned from > fdisk. > > 3. use a persistent superblock next time :-P > > 4. if you're stuck, how about posting the contents of /etc/raidtab and the > output of fdisk -l ... that'd be a big help in figuring out what's going > on... > > Good luck! > > Dan Bongert wrote: > > So, I had a system partition fail the other day, and ended up needing to > > completely reinstall my home server. I had a data drive was a software > > raid set consisting of two 120GB hard drives striped together. After > > making sure everything was up and running, I tried remounting the data > > partition. I added its configuration to/etc/raidtab, and ran > > raidstart /dev/md6 > > (raid devices 0 through 5 are the new system mirrors on my server). > > However this got me an error message: > > /dev/md6: Invalid argument > > > > Any thoughts? mkraid will wipe the disks, which is exactly what I don't > > want. I ran across a tool called mdadm, but when I use that in examine > > mode, I get this: > > > > navi(52) ~/mdadm-1.5.0> sudo mdadm -E /dev/hde1 > > mdadm: No super block found on /dev/hde1 (Expected magic a92b4efc, got > > c59ec5e0) navi(53) ~/mdadm-1.5.0> sudo mdadm -E /dev/hdf1 > > mdadm: No super block found on /dev/hdf1 (Expected magic a92b4efc, got > > 632b70d8 > > > > I *know* the drives were working properly, though for the life of me I > > can't remember why I didn't create them with a persistent superblock. (I > > think this is why mdadm is failing). > > > > > -- Dan Bongert dbongert@xxxxxxxxxxxx SSCC Unix System Administrator (608) 262-9857
