Image Processing Reference
In-Depth Information
used or in days/hours left before the disk is completely full. This then gives you the choice
of continuing (and living dangerously) or doing something about it before the situation
gets critical.
All of these metrics and measurements will help you watch over the general state of
health of your system. This is what systems administrators do for a living in large corpo-
rate installations, and it is no less applicable to a system you are running just for your own
benefit.
You may be able to buy the tools you need off the shelf, as there are an increasing
number of admin utilities being made available on the market.
The UNIX
df
command probably tells you most of what you need to know about
any mounted disks. Following is an example of the output from it.
<BAB>$ df
Filesystem 512-blocks Used Avail Capacity Mounted on
/dev/disk1s10 41678080 28207800 13053504 68% /
devfs 278 278 0 100% /dev
fdesc 2 2 0 100% /dev
<volfs> 1024 1024 0 100% /.vol
automount -nsl [311] 0 0 0 100% /Network
automount -fstab [314] 0 0 0 100% /automount/Servers
automount -static [314] 0 0 0 100% /automount/static
/dev/disk0s10 77854288 19931944 57922344 26% /Volumes/PROJ
/dev/disk1s12 31192320 8083576 23108744 26% /Volumes/APPS
/dev/disk1s14 82628944 11227016 71401928 14% /Volumes/DOCS
/dev/disk2s10 149859424 43396656 106462768 29% /Volumes/WSHP
/dev/disk5s9 150121664 126235224 23886440 84% /Volumes/PEND
/dev/disk7s10 149859424 147592992 2266432 98% /Volumes/REFS
/dev/disk4s10 149859424 108382560 41476864 72% /Volumes/TRLR
/dev/disk6s9 150121664 136207512 13914152 91% /Volumes/CLNT
/dev/disk3s10 149859424 17153760 132705664 11% /Volumes/PICS
29.20
Documenting
Keep track of what is happening on your systems: Document things thoroughly. At least
record the following for reference:
Network wiring
●
Network addresses of all items of equipment
●
Ethernet MAC addresses (this is a unique hardware reference number)
●
Machine serial numbers
●
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