NOT ENOUGH SPACE TO INSTALL PTF U407799
ITEM: RTA000028869
I am trying to install PTF U407799 on my system. It is a 320H with
2 400MB disk drives at AIX 3.2.0. When I try to apply the PTF, I
get a message that I need 79,102 kb blocks. I don't have that much
area that I can give up permanently. Is there some way I can use
one of my application filesystems temporarily? I have instructions
that for AIX 3.1.6 allowed me to decrease the size of /usr. If I
applied the PTF would I be able to use this method to get back some
disk area. Also I have 3.2.2 to install, am I going to run into the
same problem doing that.
P.S. Why is this PTF so large?
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A: Here are some things for you to look at:
o When you install a Program Temporary Fix (PTF) via the System
Management Interface Tool (SMIT), there are several menu options which
could be selected/modified to reduce the space requirements of the PTF
during it's installation. When you install a PTF with the default
settings via SMIT, a backup copy of all of the code and data files
that the PTF replaces is made. These backup files allow the system
administrator to reverse the installation of a PTF (if desired) and
provide a level of insurance during the installation of a PTF by
saving all data and code that is being replaced. These backup
copies make it easier to recover should the installation of a PTF
fail in process because of power failure, for example.
By selecting and modifying the appropriate SMIT menu options, you
can force the install process to:
1) Force the PTF into the COMMIT status.
2) Remove the backup copies of the replaced files/code.
The result of this is that the PTF requires only slightly more room
than that which already exists, rather than double or even triple that
amount.
The smit menu options you can change to achieve this when installing
a PTF are:
COMMIT software? .yes.
SAVE replaced files? .no.
Notice that the above example SMIT selections show that you
want to commit the software, and that you do not want to save
the replaced files. This should dramatically reduce the space
requirements for the installation of any PTF.
o If you have installed many PTFs and LPPs, it is possible that
there are a large number of backup files from those installations
that still exist.
These backup files can be found in the following directories:
/usr/lpp//inst_U40XXXX
/usr/lpp//deinstl
Where can be replaced with things like: "pcsim" or "bos"
and "inst_U40XXXX" is a PTF number such as "inst_U401234".
These files exist so that a PTF or LPP can be removed.
Their contents are those data and code that the new PTFs and
LPPs have replaced. In order to remove an LPP or PTF
that you do not want, you have to have the original code and
data that they replaced. These files are no longer necessary
once their respective LPPs and PTFs are in the COMMITted state.
They can be removed once their respective LPPs or PTFs are
COMMITted. WARNING˘˘˘˘˘ DO NOT REMOVE ANY OF THESE FILES ON
ON A SYSTEM THAT IS INTENDED FOR USE AS A "/USR" SERVER. THESE
FILES ARE ABSOLUTELY NECESSARY FOR THE CREATION OF "/USR" CLIENTS.
If you have many of these files, you will notice that they often
take up as much as 1-5 MB each. The removal of these files will
save you a tremendous amount of room.
o I am not sure which instructions you are referring to when you say
there is a method to reduce the /usr filesystem. If you are referring
to a method that does the following steps, then it is safe to use,
if necessary, to reduce the amount of space taken up in /usr:
1) Do a mkszfile.
2) Edit the /.fs.size file and specify a smaller number of physical
partitions for the root volume group.
3) Do a mksysb using this modified .fs.size file.
4) Restore the system from this mksysb tape.
If this is not the method you are referring to, please reopen this
item with a description of the method you are referring to, and I will
be happy to assist you further.
o The PTF you mentioned is not large. It, along with all of it's
prerequisites, will fit onto a single diskette. The space requirement
stems from the fact that this particular PTF involves a large number
of files in the /usr directory.
Source: AIX 3.2 "Installation Guide" (SX23-0800-00).
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This item was created from library item Q618303 1SLDW
Additional search words:
CUSTORG INSTALL INSTALLATION IRRISC IX JAN93 NON PTF RISC SPACE
SPACING U407799 1SLDW
WWQA: ITEM: RTA000028869 ITEM: RTA000028869
Dated: 11/1996 Category: RISCINST
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