The Virtual Volume Display Panel includes information about the compressed and uncompressed Virtual Volume size, and whether the Virtual Volume is resident in the DASD buffer. Only Virtual Volumes that are not in scratch status will be displayed.
The following panel would be displayed if an (S)elect was typed in front of range 100100-100199 and all VOLSERs in that range were in scratch status except VOLSERs 100171 and 100187:
CA Vtape Virtual Volume Display Panel Row 1 to 2 of 2 Command ===> Cache Limit(MB) 76149 Cache Inuse(MB) 47225 MB Freeable 2374 Scratch Pool1=127 Pool2=485 Pool3=1296 Pool4=n/a Pool5=n/a Pool6=n/a Pool7=n/a Pool8=163 R Use S to display additional virtual volume data E Volid Tape DSN VRM Cmp% #MB Size Allo S _ 100171+ ZOBKU01.SVTS61.P1802$W1 2 0 8 8 0 N _ 100187 SVTS120.QASVT4.G5197.PASS 0 0 324 324 0 N ***************************** Bottom of data ****************************** The cross-system information has been refreshed
The information shown includes the following:
Note: For more information about Cache Limit (MB), Cache Inuse (MB), MB Freeable, and Scratch Virtual Volumes, see Cache Management and Scratch Pool Header Information.
Virtual VOLSER number.
Data set name associated with the Virtual Volume. If the volume contains multiple DSNs, a plus sign is shown next to its VOLSER. To view these additional DSNs, select the entry by placing an S next to the entry.
Stands for Version Release Maintenance. It is a value assigned to a level of code where a significant new feature or function was introduced. As Virtual Volumes are created, they are assigned the lowest VRM value required to properly support them. The assigned value is used during subsystem start up to ensure that the level of code being used can properly support the existing Virtual Volumes.
Percentage the Virtual Volume was compressed in the DASD buffer.
Uncompressed size of the Virtual Volume tracked in 4 MB segments.
Compressed size of the Virtual Volume rounded to 4 MB.
Amount of DASD space allocated by the Virtual Volume.
A flag that indicates if the Virtual Volume resides in the DASD buffer.
The (S)elect line command can be used to display additional information about individual Virtual Volumes. The following panel will be displayed:
Menu List Mode Functions Utilities Help File Help -------------------------------------------------------------------------- CA Vtape Virtual Volume Display Panel Row 1 to 1 of 1 Command ===> ___________________________________________________________ Volser . . . : 102246 Flags . . . : 24800000 Number of TMs 5 Label Type . . . : 02 Group ID . . : 11 S Dev Type . . : 78048081 Tape DSN Rec Sz BLK Sz FM Seq # SVTS.TGRP51.RETPD022 10O 22000 FB 1 ******************************* Bottom of data *****************************
The information shown in the panel includes the following:
Virtual Volume being displayed.
A four-byte hexadecimal field comprised of the FLAG1, FLAG2, FLAG3, and FLAG4 fields. For more information about the flag settings and their meanings, see Virtual Volume Flag Fields.
Number of Tape Marks written to the Virtual Volume.
For more information about Label Type settings, see Label Types.
Externalization group and subgroup.
The Virtual Volume device type.
The first forty-four DSNs written to the Virtual Volume.
Record size of the data set.
Block size of the data set.
Format type of the data set.
File sequence number of the data set on the Virtual Volume.
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