Table C-8. Individual Drive Performance - StorageTek L180 Installation Manual

Table C-8. Individual Drive Performance

Bin Counter
Serial Number
PUT Retries 8-bit
GET Retries 8-bit
Mount Count 16-bit
Idle Time
Minimum 16-bit
30 sec to 5 16-bit
minutes
5 minutes to 16-bit
10 minutes
10 minutes to 16-bit
30 minutes
30 minutes to 16-bit
60 minutes
More than 60 16-bit
minutes
* "General" refers to statistics that relate to non-data transfer drive activities; "Specific"
excludes loading/unloading activities and counts only the time that data may be transferred
to/from the drive.
95896
General—No Data Transfer*
Explanation
Tracking is done by serial number rather
than location. This allows for drive positional
changes with no loss or inaccurate
information.
In addition, two extra information slots are
allocated above the maximum drive count to
allow for temporary swapping of drives.
Number of times a PUT was retried on this
drive
Number of times a GET was retried on this
drive
Number of times a mount was executed on
this drive
How long (in seconds) the drive has not
been able to transfer data across the host
interface (for example, no cartridge loaded,
loading, unloading)
Specific—Data Transfer Possible*
Cartridge spent less than 30 seconds in a
drive (probably a 9840-style drive)
Cartridge spent from 30 seconds to 5 minutes
in a drive
Cartridge spent from 5 minutes to 10 minutes
in a drive
Cartridge spent from 10 minutes to 30
minutes in a drive
Cartridge spent from 30 minutes to 60
minutes in a drive
Cartridge spent more than 60 minutes in a
drive
Eleventh Edition
StorageTek Proprietary
Library Statistics
C-11