I'm trying to troubleshoot an issue with an AIX system here. I have no experience with system administration of IBM stuff. Our local admin is ... um ... not available at this time.
I found something online that said enter service mode - How the heck do I do that??? Why is IBM stuff lack proper... (2 Replies)
We are considering a DR strategy of booting AIX 5.3 and 5.3 logical partitions from EMC Symmetrix SAN disks, so that we can replicate via SRDF to a recovery site. Has anyone tried configuring AIX 5.x systems to boot from SAN disk? If so, can you provide any information on the pros and cons of... (6 Replies)
Hello all,
I need help for erasing IBM P5 machine running AIX 5.3.
I have 2 system disks (Hardware mirror) and i'm looking for a way like a LIVE CD bootable CD so I can boot with the cd and then format the system disks with a "secure erase" software. (7 Replies)
Hi all,
I'm kind of new to programming in Linux & c/c++. I'm currently writing a FileManager using Ubuntu Linux(10.10) for Learning Purposes. I've got started on this project by creating a loopback device to be used as my virtual hard disk. After creating the loop back hard disk and mounting it... (23 Replies)
The requirement is, there is a log file which contains a huge data. i need to get a particular field out of it by searching with another field.
ex:
2011-03-28 13:00:07,423 : millis=231 q={ call get_data_account(?,?,?,?,?) }, params=
i need to search for the word "get_data_account" in file... (1 Reply)
Here is my problem:
I have an 1.5TB disk with OpenSolaris (b134, b151a) using non AHCI. I then changed to AHCI in BIOS, which results in severe problems: I can not boot the system.
I suspect the problem is because I changed to AHCI. Now I have changed back to non AHCI, but still I can not... (0 Replies)
Hi
I need to do the migratepv for the rootvg disks of the vio servers ? The current rootvg disks are on DMX3 storage and the new disks will be given from VMAX. Our setup is dual vio servers with multipathing to the vio clients.
What is the command to do the migratepv for the vio rootvg disks... (5 Replies)
Hello,
VIOS 2.2.1.4 using IVM.
I'm trying to extend a virtual disk assigned to a running lpar so that I can expand the lpar's datavg and grow some filesystems for the user.
Storage admin expanded the lun and new size was reflected in VIO right away. I then needed the storage pool to... (2 Replies)
Hi,
My command is getting stuck while running it.
observed that the grep command doesn't returned any data ($? was 1) and it failed.
This command is assigned into the variable and used in other command as script progresses. To continue the script output, i have to press ^C twice and script... (2 Replies)
Discussion started by: abhii
2 Replies
LEARN ABOUT REDHAT
vgchange
VGCHANGE(8) System Manager's Manual VGCHANGE(8)NAME
vgchange - change attributes of a volume group
SYNOPSIS
vgchange [-A|--autobackup {y|n}] [-a|--available {y|n}] [-d|--debug] [-h|--help] [-l|--logicalvolume MaxLogicalVolumes] [-v|--verbose]
[--version] [-x|--allocation {y|n}] [VolumeGroupName...]
DESCRIPTION
vgchange allows you to change the attributes of one or more volume groups. Its main purpose is to activate and deactivate VolumeGroupName,
or all volume groups if none is specified. Only active volume groups are subject to changes and allow access to their logical volumes.
During volume group activation, if vgchange recognizes snapshot logical volumes which were dropped because they ran out of space, it dis-
plays a message informing the administrator that such snapshots should be removed (see lvremove(8)).
OPTIONS
-A, --autobackup{y|n}
Controls automatic backup of metadata after the change. See vgcfgbackup (8). Default is yes.
-a, --available{y|n}
Controls the availability of the volume group for input/output. In other words: makes a volume group known/unknown to the kernel.
-d, --debug
Enables additional debugging output (if compiled with DEBUG).
-h, --help
Print a usage message on standard output and exit successfully.
-l, --logicalvolume MaxLogicalVolumes
Changes the maximum logical volume number of an existing inactive volume group.
-v, --verbose
Displays verbose runtime information about vgchange's activities.
--version
Displays tool and IOP version and exit successfully.
-x, --allocation{y|n}
Enables or disables the extension/reduction of this volume group with/by physical volumes.
EXAMPLES
To activate all known volume groups in the system:
vgchange -a y
To change the maximum number of logical volumes of inactive volume group vg00 to 128.
vgchange -l 128 /dev/vg00
DIAGNOSTICS
vgchange returns an exit code of 0 for success and > 0 for error:
1 error writing VGDA to physical volume(s)
2 error changing extensibility of volume group
3 error doing backup of VGDA
4 extension of MaxLogicalVolume would cause overlapped physical extents
5 error backup of volume group metadata
6 error copying volume group metadata to work file
7 error creating volume group directory and special files
8 error removing volume group directory and special files
95 driver/module not in kernel
96 invalid I/O protocol version
97 error locking logical volume manager
98 invalid lvmtab (run vgscan(8))
99 invalid command line
If volume groups can't be activated, run vgscan(8) and retry.
ENVIRONMENT VARIABLES
LVM_AUTOBACKUP
If this variable is set to "no" then the automatic backup of VG metadata is turned off.
LVM_VG_MAX_BACKUPS
This variable determines the backup history depth of kept VGDA copy files in /etc/lvmconf. It can be set to a positive number
between 0 and 999. The higher this number is, the more changes you can restore using vgcfgrestore(8).
SEE ALSO lvm(8), vgcreate(8)AUTHOR
Heinz Mauelshagen <Linux-LVM@Sistina.com>
Heinz Mauelshagen LVM TOOLS VGCHANGE(8)