8.154 SFC (Compress a shadow file)

8.154.1 Function

The SFC command compresses a shadow file.

8.154.2 Syntax

Descriptive

Diagram

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8.154.3 Parameter

device

This specifies the device for which the shadow file will be compressed.

*

Specifying an asterisk it is possible to compress the shadow files for all DASD
devices that have a shadow file.

8.154.4 Examples

Example 1:

Compress the shadow file for dasd device 0148.

HHC00013I Herc command: 'sfc 0148'

HHC00358I 0:0148 CCKD file 'D:/MVS/DASD/MVSRES.CCKD': file already compressed

HHC00333I 0:0148 size free nbr st reads writes l2reads hits switches

HHC00334I 0:0148 readaheads misses

HHC00335I 0:0148 --------------------------------------------------------------------

HHC00336I 0:0148 [*] 21631751 0% 9 885 425 15 715 1522

HHC00337I 0:0148 79 25

HHC00338I 0:0148 D:/MVS/DASD/MVSRES.CCKD

HHC00339I 0:0148 [0] 21627652 0% 9 rd 884 20 15

HHC00340I 0:0148 D:/MVS/SHADOW/MVSRES_*.CCKD

HHC00341I 0:0148 [1] 4099 0% 0 rw 1 405 0

Figure 283: SFC command

8.155 SFD (Display shadow file statistics)

8.155.1 Function

The SFD command displays statistical information about the specified shadow file(s).

8.155.2 Syntax

Descriptive

Diagram

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8.155.3 Parameter

device

This specifies the device for which shadow file statistics will be written to the log
file.

*

Specifying an asterisk it is possible to create statistical output for all dasd devices
that have shadow files.

8.155.4 Examples

Example 1:

Display statistical information for the shadow file of dasd device 0148.

HHC00013I Herc command: 'sfd 0148'

HHC00333I 0:0148 size free nbr st reads writes l2reads hits switches

HHC00334I 0:0148 readaheads misses

HHC00335I 0:0148 --------------------------------------------------------------------

HHC00336I 0:0148 [*] 21632514 0% 10 885 424 15 715 1522

HHC00337I 0:0148 79 25

HHC00338I 0:0148 D:/MVS/DASD/MVSRES.CCKD

HHC00339I 0:0148 [0] 21627652 0% 9 rd 884 20 15

HHC00340I 0:0148 D:/MVS/SHADOW/MVSRES_*.CCKD

HHC00341I 0:0148 [1] 4862 15% 1 rw 1 404 0

Figure 284: SFD command

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