08-22-2008
Quote:
Originally Posted by
astjen
[...]0516-1382 chvg: Volume group is not changed. None of the disks in the volume group have grown in size.
0516-732 chvg: Unable to change volume group uservg.
After a reboot of the system, modifications are still NOT applyed, and chvg -g datavg still does NOT work !!!
Is there a difference between "reboot" and "varyoff/varyon" ?
Apparently LVM did not detect any changes to your SAN disk(s) even after a reboot. Hence it did not (could not) extend the VG. For troubleshooting first make sure that you are on a suitable microcode level for your oslevel (both for fc adapter and FastT). Check the LUN's properties (i.e. size) and if it grew check the communication between FastT and server.
From LVM view varyoff/varyon is the same as a reboot. However, during a reboot the adapters are reset also, the drivers are loaded into the kernel afresh and so on. This can make a difference.
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LEARN ABOUT HPUX
extendfs
extendfs(1M) extendfs(1M)
NAME
extendfs - extend a file system size (generic)
SYNOPSIS
FStype] size] special
DESCRIPTION
If the original file system image created on special does not make use of all of the available space, can be used to increase the capacity
of a file system by updating the file system structure to include the extra space.
The command-line parameter special specifies the device special file of either a logical volume or a disk partition. The special must be
un-mounted before can be run (see mount(1M)).
Options
recognizes the following options:
Specify the file system type on which to operate (see
fstyp(1M) and fs_wrapper(5)). If this option is not included on the command line, then the file system type is determined
from the file
Query the size of
special. No file system extension will be done.
Verbose flag.
Specifies the number of
blocks to be added to the file system. If size is not specified, the maximum possible size is used.
EXAMPLES
To increase the capacity of a file system created on a logical volume, enter:
SEE ALSO
fstyp(1M), lvextend(1M), mkfs(1M), mount(1M), umount(1M), fs_wrapper(5).
extendfs(1M)