The UPS is at floor level and evidently she just stepped on the power switch.
To make matters worse it appears to be hung. It's starting up read-only.
This is NOT the first time this has happened, but it is a first for the cat, that's for sure!
Bear with me while I bring it back to life.
UPDATE!WHAT AN INCREDIBLE PAIN IN THE ASS!!!
Since Miss Kitty kicked the plug, /etc/mtab was not deleted so the system thought all the drives were mounted. The "remount" option would not take and a shutdown with "-F" would not check the partitions on reboot. I had to force a check on the root system while it was mounted, which is normally a HUGE no-no. But it's a JFS partition so evidently that doesn't matter (try it with ext3 and see what happens).
So I finally mounted it read/write, deleted /etc/mtab, and brought the system back up.
Now I have to figure out where to put the UPS so the cat won't step on it again.