Once upon a time, we had an NFS server. Like sensible people, weimmediately put the NFS server on a UPS, which meant that if we lostpower, we wanted to quiesce the NFS traffic before we had to shut itdown.

There are probably a lot of sophisticated solutions to this problem,involving things like hooking into the UPS monitoring system andtriggering events on power loss. We opted for a much simpler method:we didn't put the Ethernet switch that the server was connected toon a

We had one of our SAN RAID controllers die today (just the controller;the disks and the data were fine), and as a result I ran across anannoying omission in the DiskSuite toolset.

When the controller went kaboom, all of its logical drives stoppedresponding and DiskSuite marked all of the submirrors involved asneeding maintenance. When the controller was replaced, all of thelogical drives came back again, but the problem is that DiskSuite has nodirect way to clear the 'needs maintenance' state on the affected

The difference between

for i in "a b"; do	mv -f $i $i-UBUNTU	...done

and

FOO="a b"for i in $FOO; do	mv -f $i $i-UBUNTU	...done

is subtle (in visual appearance) and easy to accidentally forget, but important .

(Fortunately I am doing test installations in VMWare thesedays, so a mistake is less tedious than it used to be .)