raid5 set, how many disks can fail and still recover?

From: LES MAYEDA TECH SUPPORT/ISS X6656 <MAYEDA_at_CSMC.EDU>
Date: Mon, 03 Mar 1997 10:19:05 -0700 (PDT)

Hello,


If I have a 5 disks (rz28s), in a raid5 set,
connected to a HSZ40, how many concurrent disk
failures can occur and still be able to recover the data?

Is the concurrent failure count different
for hardware raid5 vs software raid5?

Thanks,

Les Mayeda
Cedars-Sinai Medical Center
mayeda_at_csmc.edu
Received on Mon Mar 03 1997 - 19:41:20 NZDT