Red Hat SATELLITE 5.1.0 RELEASE NOTES Instrukcja Instalacji Pobierz pdf (Strona 73)

Chapter 4. Installing and configuring z/VM 55

The minidisks with the END option specified in this directory will not be includ

ed in the following DISKMAP file.

File USER DISKMAP A has been created.

3. The file created, USER DISKMAP, contains a mapping of all minidisk volumes defined in the

USER DIRECT file. It will list any overlaps or gaps found on the volumes. Edit the file and turn

off the prefix area with the XEDIT PREFIX OFF subcommand to view 80 columns:

==> x user diskmap

====> prefix off

4. Search for the text overlap with the / subcommand:

====> /overlap

You should see the error message DMSXDC546E Target not found. This means that no

minidisks are overlapping each other.

Now search for gaps. You should also see some gaps:

====> /gap

...

0 500 501 GAP

$$$$$$ DATAMOVE 5F0 3380 00501 00501 00001

DATAMOVE 5FF 3380 00502 00502 00001

------------------------------------------------------------------------

VOLUME USERID CUU DEVTYPE START END SIZE

0 0 1 GAP

$$$LNX ZVMMAPLX 150 3390 00001 03338 03338

------------------------------------------------------------------------

VOLUME USERID CUU DEVTYPE START END SIZE

0 0 1 GAP

MMD857 LNXMAINT 0191 3390 00001 00020 00020

LNXMAINT 0192 3390 00021 00320 00300

...

Three GAPs should be listed on the right side:

– 501 cylinders on the $$$$$$ volume

– 1 cylinder on the $$$LNX volume

– 1 cylinder on volume used for LNXMAINT 191 and 192 disks (MMD857, in this example)

There is no need to be concerned about the first two gaps because they are expected,

given the layout of the default USER DIRECT file. To avoid a 1-cylinder gap being reported on

each user volume, we recommend that you use the user ID $ALLOC$. This user is set to

NOLOG, which means it can never be logged onto. Thus, it is not a conventional user ID;

instead it is a convenient place to put dummy minidisk definitions for cylinder 0 of all PERM

volumes.

5. Get out of the file USER DISKMAP with the QUIT command or by pressing F3.

6. Edit the USER DIRECT file again and add a new minidisk definition at virtual address A04 for

the first cylinder of the DASD you added (the label is MMD857, in this example):

==> x user direct

====> /user $alloc

USER $ALLOC$ NOLOG

MDISK A01 3390 000 001 540RES R

MDISK A02 3390 000 001 540W01 R

MDISK A03 3390 000 001 540W02 R

MDISK A04 3390 000 001 <MMD857> R

1 2 ... 68 69 70 71 72 73 74 75 76 77 78 ... 267 268

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