Lion 10.7.4 disk problems

Question

My raid 1 disks are not mounting on 10.7.4.  Also an exernal 3TB ESATA connected disk is not mounting either.  I there any fix for this????

Answer 1

Copy and paste this into Terminal:
defaults read /Library/Preferences/com.apple.softwareupdate catalogURL
It should return:
The domain/default pair of (/Library/Preferences/com.apple.softwareupdate, catalogURL) does not exist
If it does return a URL string, then something has changed the default update server.
This command will clear it:
sudo defaults delete /Library/Preferences/com.apple.softwareupdate catalogURL
Make sure you copy/paste instead of trying to type it out.
sudo will ask for an admin password, but you won't see anything as you type. If you never used sudo, it will first print a warning to be careful what you do with sudo as it is just like being root user. That's why I suggest copy/paste. If you type wrong characters, you might do some damage that can't be easily undone.
If your settings are correct, run this command in Terminal:
sudo softwareupdate -vl
That will run software update from the command line and list all available updates. It is also set to verbose mode so it should spit out additional information which might indicate where the problem is occurring.
Are you running any Firewall or something like LittleSnitch which might be blocking outbound ports?