dispaly vg's and pv's? Post: 302233193

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Operating Systems AIX dispaly vg's and pv's? Post 302233193 by bakunin on Saturday 6th of September 2008 04:41:39 PM

09-06-2008

Registered User

Just a minor observation:

Quote:

Originally Posted by Rob Kerrr

MyID=`lspv $MyPV|grep 'PV IDENTIFIER'|awk '{ print $3}'`

Don't let era, our local "herder of useless cats", see that ;-)) :

.... awk '{ /PV IDENTIFIER/ print $3 }'....

would do the same as "....grep ...| awk ....", yes?

I have long given up on pointing out that backticks are considered harmful in the Korn shell and "`...`" should be replaced by "$(....)".

And for the audience: please use [ code ]...[ /code ]-tags when posting code. The difference is:

with code-tags:

Code:

for MyVG in `lsvg`
do
     echo "\n\n Volume Group: $MyVG\n------------------"
     for MyPV in `lsvg -p $MyVG|grep -v -e $MyVG -e PV_NAME|awk '{ print $1 }'`
     do
          MyID=`lspv $MyPV|grep 'PV IDENTIFIER'|awk '{ print $3}'`
          echo $MyPV $MyID
     done
done

and the same without:
for MyVG in `lsvg`
do
echo "\n\n Volume Group: $MyVG\n------------------"
for MyPV in `lsvg -p $MyVG|grep -v -e $MyVG -e PV_NAME|awk '{ print $1 }'`
do
MyID=`lspv $MyPV|grep 'PV IDENTIFIER'|awk '{ print $3}'`
echo $MyPV $MyID
done
done

bakunin

Last edited by bakunin; 09-06-2008 at 05:47 PM..

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vgremove

vgremove(1M)															      vgremove(1M)

NAME

       vgremove - remove LVM volume group definition from the system

SYNOPSIS

       vg_name ...

   Remarks
       If  a  combination  of volume groups version 1.0 and 2.0 or higher arguments are supplied, then the arguments might not be processed in the
       order they are listed on the command line.

DESCRIPTION

       The command removes from the system the last physical volume of the volume group and the definition of the volume group or groups specified
       by vg_name ....	Since all system knowledge of the volume group and its contents are removed, the volume group can no longer be accessed.

       To move a volume group from one system to another, use the command instead (see vgexport(1M)).

       Before executing remove all logical volumes residing on the last physical volume by executing (see lvremove(1M)).

       Before removing a volume group, two steps are necessary:

	      1.  Remove all the logical volumes belonging to the group by using the command (see lvremove(1M)).

	      2.  Remove all but one physical volume belonging to the volume group by using the command (see vgreduce(1M)).

       If there is any physical volume group created under vg_name ..., the physical volume group information is also removed from file

   Options and Arguments
       recognizes the following option and argument:

	      For each volume group removed, also
			remove its volume group directory and file

	      vg_name	The path name of a volume group.

EXTERNAL INFLUENCES

   Environment Variables
       determines the language in which messages are displayed.

       If is not specified or is null, it defaults to "C" (see lang(5)).

       If any internationalization variable contains an invalid setting, all internationalization variables default to "C" (see environ(5)).

EXAMPLES

       Remove volume group from the system:

SEE ALSO

       lvremove(1M), vgchange(1M), vgreduce(1M).

																      vgremove(1M)