
Chapter 7. Installing RHEL 5.2 on the controller 93
5 This provides read access to the LNXMAINT 192 disk as the user’s 191 disk.
6 This provides read access to the TCPMAINT 592 disk, so that the user has access to
TCP/IP services such as FTP.
4. Go to the bottom of the file and add the definition for a new user ID named RHEL52. This
user ID is given the class B privilege (aside from the typical class G) in order to run the
FLASHCOPY command. It is also given the class D privilege to run the QUERY ALLOC MAP
command, and the class E privilege to run the QUERY NSS command. Be sure to replace
the volume labels in that are in brackets (for example,
<MMD856>) with the labels of your
DASD:
USER LNXINST LNX4VM 256M 1G BDEG
INCLUDE LNXDFLT
OPTION LNKNOPAS APPLMON
MDISK 100 3390 0001 3338 <MMD856> MR LNX4VM LNX4VM LNX4VM
MDISK 101 3390 0321 3018 <MMD857> MR LNX4VM LNX4VM LNX4VM
MDISK 102 3390 0001 3338 <MMD952> MR LNX4VM LNX4VM LNX4VM
MDISK 103 3390 0001 3338 <MMD953> MR LNX4VM LNX4VM LNX4VM
MDISK 104 3390 0001 3338 <MMD954> MR LNX4VM LNX4VM LNX4VM
*
This Linux user ID will have the minidisks and virtual disks (VDISKs) described in
Table 7-1.
Table 7-1 Minidisks to be defined
5. Go back to the top of the file and search for string USER $ALLOC$. Add cylinder 0 of each of
the five new volumes to this dummy user ID so that they do not show up as gaps in the
USER DISKMAP report file:
====> top
====> /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
MDISK A05 3390 000 001 <MMD856> R
MDISK A06 3390 000 001 <MMD952> R
MDISK A07 3390 000 001 <MMD953> R
MDISK A08 3390 000 001 <MMD954> R
...
====> file
6. Run DISKMAP to check for overlaps and gaps. You should only see the single 501 cylinder
gap.
==> diskmap user
==> x user diskmap
Minidisk Description
100
The root file system of the Linux controller. This will serve as the
administration point for all your Linux virtual servers.
101-104
Minidisks used to create a logical volume mounted over /nfs/ for
making the RHEL 5.2 installation tree and the files associated with this
book available using NFS.
300-301
These are virtual disk (VDISK) swap spaces that are not defined in the
USER DIRECT file, but instead are defined by calls to the SWAPGEN EXEC in
the user’s PROFILE EXEC so that when the user ID logs on, the VDISKs
are created.
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