hi,
i have a volume on a LUN of an EMC-storage and i need to increase the
size.
i could increase the size of the LUN on the EMC, i could increase the
size of the disk for solaris, but how can i tell the veritas volume
manager that the disk is larger now?
what i've done:
1. LUN on EMC
2. in the format menue i' ve chosen the type to autoconfigure, i can see
the bigger disk in solaris, then in the partitions menu i've created the
VTOC like before, only one slice on 7 (and 2 for backup, like before) for
the whole space.
but VxVM still means
# vxassist -g datadg maxsize
VxVM vxassist ERROR V-5-1-752 No volume can be created within the given
constraints
# vxassist -g datadg maxgrow datavol
VxVM vxassist ERROR V-5-1-1178 Volume datavol cannot be extend within the
given constraints
so i tried "vxdctl enable", but still the same... but i can still work
with the volume.. it must be written in the privatregion somewhere...
any ideas?
Using the terminology of vxvm, you take some disks and put them together to make a disk group. Then you carve volumes out of the disk group. It sounds like you have increased the size of a disk and you want vxvm to notice the increased size. Short of reinitializing the disk, I'm not sure you can do that. If you can, I feel that it would be one of the "disk" type commands rather than a "volume" type command. I think you're expected to add a disk to the disk group and then increase the volumes.
didn't know that option, it only comes with the Storage Foundation license, well, no problem here. still a strange behavior, but whatever, it works. I've tried it in a test-environment:
Code:
root@scnode2 # vxdisksetup -i c3t54d0
root@scnode2 # vxdg init testdg testhd=c3t54d0
root@scnode2 # vxassist -g testdg maxsize
Maximum volume size: 5681152 (2774Mb)
root@scnode2 # vxassist -g testdg make testvol 2774m layout=nostripe
root@scnode2 #
root@scnode2 # mkfs -F vxfs /dev/vx/rdsk/testdg/testvol
version 6 layout
5681152 sectors, 2840576 blocks of size 1024, log size 16384 blocks
largefiles supported
root@scnode2 #
root@scnode2 #
root@scnode2 # mount -F vxfs /dev/vx/dsk/testdg/testvol /mnt
root@scnode2 # while true; do mkfile 1024m /mnt/testfile && rm /mnt/testfile ; done &
4247
root@scnode2 #
#### now i increased the lun and configured the new size in solaris: ####
root@scnode2 # vxassist -g testdg maxgrow testvol
VxVM vxassist ERROR V-5-1-1178 Volume testvol cannot be extend within the given constraints
#### nothing... now reborg's hint ####
root@scnode2 # vxdisk -g testdg resize testhd
VxVM vxdisk ERROR V-5-1-8643 Device testhd: resize failed: Cannot remove last disk in disk group
#### seems he want to reinitialize, out of group and back in.... ####
#### temporaly i've added a second disk ###
root@scnode2 # vxdg -g testdg adddisk testhd2=c3t53d0
root@scnode2 # vxdisk -g testdg resize testhd
root@scnode2 # pgrep mkfile
6832
root@scnode2 #
root@scnode2 # vxdg -g testdg rmdisk testhd2
root@scnode2 # vxassist -g testdg maxgrow testvol
Volume testvol can be extended by 65441792 to: 71122944 (34728Mb)
root@scnode2 # vxresize -g testdg testvol 34728m
root@scnode2 # df -h /mnt
Filesystem size used avail capacity Mounted on
/dev/vx/dsk/testdg/testvol
34G 844M 31G 3% /mnt
root@scnode2 # pgrep mkfile
7240
root@scnode2 # ls -lh /mnt
total 554016
drwxr-xr-x 2 root root 96 Mar 27 10:29 lost+found
-rw------- 1 root other 1.0G Mar 27 10:30 testfile
root@scnode2 # vxdisk -g testdg list
DEVICE TYPE DISK GROUP STATUS
c3t54d0s2 auto:cdsdisk testhd testdg online
root@scnode2 #
it works live in my test, but veritas recommendation is to do it offline.
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c0t0d0s2 auto:none - - online invalid
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VxVM disk/lun grow
