[lug] hotswap sw raid mirror

[dio2002 at indra.com]

> fwiw, i shutdown earlier, pulled the 2nd drive and booted.  right now my
> system is up with active arrays that have the mirrored devices listed as
> State --removed which is the exact opposite situation i described above.
> Which means i should be able to insert the pulled drive on the live
> system, use manage mode -a (add) command to add the partitons back, and
> then let md resynch as needed and be back i business.  right?

ok, i got bold and just inserted the drive.

then i tried to add the partition back to the array

#  mdadm --add /dev/md1 /dev/sdb2
 cannot find /dev/sdb2: No such file or directory

#  ls /dev/sd*
/dev/sda  /dev/sda1  /dev/sda2  /dev/sda3

so the devices are not there, probably because they weren't created at
boot since the drive was pulled.  how do i get the devices back? i think
this will work

thanks



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