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тАО05-15-2005 10:52 AM
тАО05-15-2005 10:52 AM
I have prob in activating in one of the shared vg in cluster , and getting the QUORUM NOT PRESENT, OR SOME PHYSICAL VOLUME(S) ARE MISSING" eroor.
I am giving below the command outputs.
# vgchange -a s /dev/vgredo1_a
vgchange: Couldn't activate volume group "/dev/vgredo1_a":
Quorum not present, or some physical volume(s) are missing.
swlist -l product |grep -i mc/serviceguard
MC/ServiceGuard A.11.15.00
SG-Domain-Tool B.01.09 MC/ServiceGuard HP Domain Script Templates
SG-FasTrack-Tool B.01.09 MC/ServiceGuard Netscape FastTrack Script Templates
SG-Informix-Tool B.01.09 MC/ServiceGuard Informix Script Templates
SG-NFS-Tool A.11.11.02 MC/ServiceGuard NFS Script Templates
SG-NMAPI A.11.15.00 SG-MC/ServiceGuard Oracle Script Templates
SG-Progress-Tool B.01.09 MC/ServiceGuard Progress Script Templates
SG-Sybase-Tool B.01.09 MC/ServiceGuard Sybase Script Templates
# dd if=/dev/rdsk/c8t0d1 of=/dev/null bs=4k count=100000
100000+0 records in
100000+0 records out
# dd if=/dev/rdsk/c9t0d1 of=/dev/null bs=4k count=100000
100000+0 records in
100000+0 records out
The same vg I could able to bring it up from another node. Given below the vg details.
## hostname
dbnode2
# vgdisplay -v /dev//vgredo1_a
--- Volume groups ---
VG Name /dev/vgredo1_a
VG Write Access read/write
VG Status available, shared, server
Max LV 255
Cur LV 4
Open LV 4
Max PV 16
Cur PV 1
Act PV 1
Max PE per PV 1016
VGDA 2
PE Size (Mbytes) 8
Total PE 127
Alloc PE 32
Free PE 95
Total PVG 0
Total Spare PVs 0
Total Spare PVs in use 0
Diskinfo details from the node1, where I am not able activate the vg.
# diskinfo /dev/rdsk/c8t0d1
SCSI describe of /dev/rdsk/c8t0d1:
vendor: HP
product id: STGAPPS LUN
type: direct access
size: 1048576 Kbytes
bytes per sector: 512
# diskinfo /dev/rdsk/c9t0d1
SCSI describe of /dev/rdsk/c9t0d1:
vendor: HP
product id: STGAPPS LUN
type: direct access
size: 1048576 Kbytes
bytes per sector: 512
# swlist -l product |grep -i lvm
LVM B.11.11 LVM
PHCO_27408 1.0 LVM commands cumulative patch, VA7410 HWE
PHKL_26743 1.0 LVM Cumulative Patch
#
At the same time, If the vg is not activated from node2, I could able to bring up from node1.
Earlist help is reqd
Regards
Solved! Go to Solution.
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тАО05-15-2005 10:58 AM
тАО05-15-2005 10:58 AM
Re: QUORUM NOT PRESENT, OR SOME PHYSICAL VOLUME(S) ARE MISSING
vgchange -a n /dev/vgredo1_a
take it out of exlusive mode first.
vgchange -c n /dev/vgredo1_a
I'm not an expert yet, but I've done the classes and am stumbling through this for a forgiving client right now.
SEP
Owner of ISN Corporation
http://isnamerica.com
http://hpuxconsulting.com
Sponsor: http://hpux.ws
Twitter: http://twitter.com/hpuxlinux
Founder http://newdatacloud.com
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тАО05-15-2005 11:07 AM
тАО05-15-2005 11:07 AM
Re: QUORUM NOT PRESENT, OR SOME PHYSICAL VOLUME(S) ARE MISSING
Please see the below vgdisplay output from another node. It clearly says that it is activated in shared mode.
vgdisplay -v /dev//vgredo1_a
--- Volume groups ---
VG Name /dev/vgredo1_a
VG Write Access read/write
VG Status available, shared, server
Max LV 255
Cur LV 4
Open LV 4
Max PV 16
Cur PV 1
Act PV 1
Max PE per PV 1016
VGDA 2
PE Size (Mbytes) 8
Total PE 127
Alloc PE 32
Free PE 95
Total PVG 0
Total Spare PVs 0
Total Spare PVs in use 0
And I recreated the vg also..
# vgdisplay /dev/vgredo1_a
vgdisplay: Volume group not activated.
vgdisplay: Cannot display volume group "/dev/vgredo1_a".
# vgexport -m /tmp/vgredo.map vgredo1_a
# mkdir /dev/vgredo1_a
# mknod /dev/vgredo1_a/group c 64 0x080000
# vgimport -m /tmp/vgredo.map -v vgredo1_a /dev/dsk/c8t0d1 /dev/dsk/c9t0d1
Beginning the import process on Volume Group "vgredo1_a".
vgimport: Warning: Volume Group contains "1" PVs, "2" specified. Continuing.
Logical volume "/dev/vgredo1_a/lvredo1_1" has been successfully created
with lv number 1.
Logical volume "/dev/vgredo1_a/lvredo1_2" has been successfully created
with lv number 2.
Logical volume "/dev/vgredo1_a/lvredo1_3" has been successfully created
with lv number 3.
Logical volume "/dev/vgredo1_a/lvredo1_4" has been successfully created
with lv number 4.
Volume group "/dev/vgredo1_a" has been successfully created.
Warning: A backup of this volume group may not exist on this machine.
Please remember to take a backup using the vgcfgbackup command after activating the volume group.
# vgchange -c y vgredo1_a
vgchange: Failed to set the specified attributes for volume group "/dev/vgredo1_a".
# vgchange -c y -S y vgredo1_a
vgchange: Failed to set the specified attributes for volume group "/dev/vgredo1_a".
# vgchange -a s vgredo1_a
vgchange: Couldn't activate volume group "vgredo1_a":
Quorum not present, or some physical volume(s) are missing.
Still I amgetting the same error..
Regards
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тАО05-15-2005 05:39 PM
тАО05-15-2005 05:39 PM
Re: QUORUM NOT PRESENT, OR SOME PHYSICAL VOLUME(S) ARE MISSING
I doubt there is device file not created yet, or missing?
run insf -e on both nodes.
Your vg import command says 1 PV found but two specified. That could be reason for quarum!!
From node1, check the VG configured properly (i.e. two PVs), then then repeat vgimport process.
Please post "strings /etc/lvmtab" from both nodes.
Regds
TT
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тАО05-15-2005 05:52 PM
тАО05-15-2005 05:52 PM
Re: QUORUM NOT PRESENT, OR SOME PHYSICAL VOLUME(S) ARE MISSING
It appears yours node1's /etc/lvmtab could be corrupt.Just see strings /etc/lvmtab on node1 and find out the listings of physical volumes in your VG. Also perform a backup of all LVOL's through other node before running all this.
Then you can try activating VG by bypassing the quorun check i.e. vhchange -a y -q n /dev/vgxx.
If /etc/lvmtab is incosistent try recreating thorugh vgscan.
HTH,
Devender
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тАО05-15-2005 10:09 PM
тАО05-15-2005 10:09 PM
Re: QUORUM NOT PRESENT, OR SOME PHYSICAL VOLUME(S) ARE MISSING
VG Name /dev/vgsg01
VG Write Access read/write
VG Status available, exclusive
When you activate the ServiceGuard volume group it is with -a e option e.g.
vgchange -a e /dev/vgsg01
Regards,
Hilary
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тАО05-15-2005 11:01 PM
тАО05-15-2005 11:01 PM
Re: QUORUM NOT PRESENT, OR SOME PHYSICAL VOLUME(S) ARE MISSING
There is two path for everydisk from each node.
Just see my first post , for dd operation on both the path. There is no error.
diskinfo, dd, ioscan everything works fine.
Is there anything related to time stamp?.
Regards
Sundar
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тАО05-15-2005 11:04 PM
тАО05-15-2005 11:04 PM
Re: QUORUM NOT PRESENT, OR SOME PHYSICAL VOLUME(S) ARE MISSING
Here is the entry in lvmtab for the vg
/dev/vgredo1_a
/dev/dsk/c9t0d1
/dev/dsk/c8t0d1
Regards
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тАО05-15-2005 11:13 PM
тАО05-15-2005 11:13 PM
Re: QUORUM NOT PRESENT, OR SOME PHYSICAL VOLUME(S) ARE MISSING
From your second post
# vgchange -c y vgredo1_a
vgchange: Failed to set the specified attributes for volume group "/dev/vgredo1_a".
# vgchange -c y -S y vgredo1_a
vgchange: Failed to set the specified attributes for volume group "/dev/vgredo1_a".
# vgchange -a s vgredo1_a
vgchange: Couldn't activate volume group "vgredo1_a":
Quorum not present, or some physical volume(s) are missing
1)Check whether the cluster processes / daemons are running in the server using cmviewcl or ps command.
2)Generally VGs are activated in exclusive mode in MCSG environemnt and these activations are done thru packages.
From your first post, it seems that the PV( disk or LUN) is not available. Check using the ioscan ,whether the disks are available.
Then activate the VG, first in read only mode
i.e
vgchange -a r vgname
Hope this helps
Rgds
Suraj
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тАО05-15-2005 11:32 PM
тАО05-15-2005 11:32 PM
Re: QUORUM NOT PRESENT, OR SOME PHYSICAL VOLUME(S) ARE MISSING
Thanks for the info.
We could able to activate the vg in read only mode. But we need it as a shared and server or client mode.
We have 3 packages in the server, which activtes 7 vg's. This package activates 3 vg's , in that only this vg is not getting activated. So we are not able to start the package.
All other packages are working fine, which means MC service guard is running.
Regarding the physical volume presence, just see the dd command output, it clears that there is no prob in accessing the disk.
Regards
Sundar