Sounds great. But there is no man-page for raidhotadd (?). Is there any
documentation somewhere? I feel reluctant to use this without
documentation/knowledge. Any info would be most helpful!
/Johan Ekenberg
> Use the raidhotadd utility. This updates the raid superblock on all the
> disks in the raid set to know about the spare. This information is
> remembered and does not need to be done again.
>
>
> > I use RAID-5 with 5 disks, using the RAID array for the entire
> filesystem -
> > booting from a floppy. Kernel 2.2.13ac2, raidtools 0.90.
> > Persistent-superblock is set to 1 and there is no spare-disk. I just got
> an
> > extra disk and want to add it as a spare-disk. How can I update the
> > configuration without destroying any data?
> >
> > NB, I don't want to expand or change the array in any way, just make the
> > system know that there is an extra disk ready to kick in if one of the
> > current disks crashes. The new disk is formated like the others, and I
> > updated raidtab to include the new spare-disk.
> >
> > The man-page for mkraid says:
> > "Note that initializing RAID devices destroys all of the data on the
> > consituent devices."
> >
> > This is a production system and I'm really afraid to mess up.
> What shall I
> > do?
> >
> > Best regards, and a Merry Christmas
> > /Johan Ekenberg
> >
> >
>