Joachim Schipper wrote:
--wd0a---------- --wd1a----------
/ (bootable) / (bootable)
/tmp /tmp
/usr /usr
/var /var
--wd0d---------- --wd1d----------
raid0 (root) raid0 (root)
--raid0a----- --raid0a-----
/ /
/usr /usr
Hmm - why include / and /usr again? OpenBSD will boot just fine off a
RAID array, even a failed one, provided you can get the kernel read
somehow.
You have to have a RAID slice with / and /usr. If you mount just wd0a
for / and /usr then if the wd0 dies you have to reboot to mount with
wd1a. If you happen to be a long way away from the console, then you're
toast, unless you went the extra distance and setup the backup fstab on
wd1a in advance.
If you have them in a RAID and if a disk dies, you can continue to use
the system (degraded of course) without having to reboot until the new
disk and your are present at the console.
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