You probably won't find a suitable disktab entry, but you willlikely find the manufacturer's tech support phone number. Some manufacturershave configurations for many of their drives available if you just ask them. For instance, within an hour of receiving my Micropolis 1.7-GB drive, I wasreceiving a fax from the company with disktab entries for many of their drivesand installation tips. Fifteen minutes later the drive was connected andformatting. 1.7-GB drive, discuss the fields, and describe how to come upwith reasonable numbers for your own drive.
Thefirst field is the device name to be used with the newfs command.
If youexamine the existing disktab file, you will see that there are severaldifferent entries for the same type drive specifying different amounts ofstorage reserved for booting and swap space. The second field is a comment. Currentpractice is to list the amount of space reserved for swap and booting. The first three fields are used to specify the size of the drive. If youmultiply them together, they must not exceed the size of the drive as reportedby diskinfo.