Tivoli Header
Administrator's Reference
Use this command to display information on one or more device
classes.
Privilege Class
Any administrator can issue this command.
Syntax
.-*-----------------.
>>-Query DEVclass--+-------------------+------------------------>
'-device_class_name-'
.-Format--=--Standard-----.
>--+-------------------------+---------------------------------><
'-Format--=--+-Standard-+-'
'-Detailed-'
Parameters
- device_class_name
- Specifies the name of the device class to be queried. This
parameter is optional. You can use wildcard characters to specify this
name. All matching device classes are displayed. If you do not
specify a value for this parameter, all device classes are displayed.
- Format
- Specifies how the information is displayed. This parameter is
optional. The default value is STANDARD. Possible values
are:
- Standard
- Specifies that partial information is displayed for the specified device
class.
- Detailed
- Specifies that complete information is displayed for the specified device
class.
Examples
Task
Display information on the device class named SQUARE1.
- Command:
- query devclass square1
- Output:
-
+--------------------------------------------------------------------------------+
|Device Device Storage Device Est. Mount Mount Mount Format/ |
|Class Access Pool Type Cap. Limit Ret'n Wait Density |
| Strategy Count (MB) (min) (min) |
|---------- ---------- ------- ------ ----- ----- ----- ----- -------- |
|SQUARE1 Sequential 1 Cart. 180.0 2 60 60 Drive |
+--------------------------------------------------------------------------------+
Task
Display information in full detail on the SQUARE2 device class.
- Command:
- query devclass square2 format=detailed
- Output:
-
+--------------------------------------------------------------------------------+
| Device Class Name: SQUARE2 |
| Device Access Strategy: Sequential |
| Storage Pool Count: 0 |
|Last Update by (administrator): REES |
| Last Update Date/Time: 04/20/2000 10:54:57 |
| Device Type: CARTRIDGE |
| Maximum Capacity (MB): |
| Estimated Capacity (MB): 180.0 |
| Data Set Name Prefix: ADSM |
| Mount Limit: 2 |
| Mount Retention (min): 60 |
| Label Type: IBMSL |
| Expiration Date: 99365 |
| Mount Wait (min): 60 |
| Unit Name: 3480 |
| Volser: |
| Compression: Yes |
| Protection: No |
| Retention: |
| Server Name: |
| Retry Period: |
| Retry Interval: |
| |
+--------------------------------------------------------------------------------+
- Device Class Name
- Specifies the name of the device class.
- Device Access Strategy
- Specifies how data is written to the device class.
- Storage Pool Count
- Specifies the number of storage pools that are assigned to the device
class.
- Last Update by (administrator)
- Specifies the administrator that made the last update to the device
class.
- Last Update Date/Time
- Specifies the date and time of the last update.
- Device Type
- Specifies the device type of the device class.
- Maximum Capacity (MB)
- Specifies the maximum capacity of a volume associated with the device
class.
- Estimated Capacity (MB)
- Specifies the estimated capacity of a volume associated with the device
class.
- Data Set Name Prefix
- Specifies the prefix name of the data set.
- Mount Limit
- Specifies the maximum number of sequential access volumes that can be
mounted concurrently.
- Mount Retention (min)
- Specifies the number of minutes to retain an idle sequential access volume
before dismounting it.
- Label Type
- Specifies the type of label.
- Expiration Date
- Specifies the expiration date of the device class. If this column
is blank, the device class does not expire.
- Mount Wait (min)
- Specifies the maximum number of minutes to wait for a sequential access
volume to be mounted.
- Unit Name
- Specifies the device type.
- Volser
- Specifies the volume serial number of the device.
- Compression
- Specifies if the data is compressed or not.
- Protection
- Specifies if the data is protected or not.
- Retention
- Specifies the number of days to retain the data.
- Server Name
- Specifies the name of a defined server.
- Retry Period
- Specifies the interval over which the server should attempt to contact a
target server if there is a suspected communications failure.
- Retry Interval
- Specifies how often the retries are done within a given retry
period.
Related Commands
Table 147. Commands Related to QUERY DEVCLASS
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