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06-21-2013 03:32 AM - last edited on 06-24-2013 07:25 PM by JinJing1
06-21-2013 03:32 AM - last edited on 06-24-2013 07:25 PM by JinJing1
unable to lvextend /dev/vg00/lvol3 " / "
Need to extend lvol3 to 6GB
Unable to do that ....can someone please suggest how can I do this?
have more than 100GB free space in VG00
#> bdf
Filesystem kbytes used avail %used Mounted on
/dev/vg00/lvol3 1048576 231840 810368 22% /
/dev/vg00/lvol1 1835008 375216 1448448 21% /stand
/dev/vg00/lvol8 67633152 7554216 59613528 11% /var
/dev/vg00/lvol10 10485760 1944662 8007299 20% /var/adm/crash
/dev/vg00/lvol7 6684672 2984696 3671176 45% /usr
/dev/vg00/lvol4 524288 524272 16 100% /tmp
/dev/vg00/lvol6 8781824 5199216 3555344 59% /opt
/dev/vg00/lvol5 131072 6392 123824 5% /home
#>
#> lvextend -L 6144M /dev/vg00/lvol3
lvextend: Not enough free physical extents available. ----> not possible, beacuse of lot so free space
Logical volume "/dev/vg00/lvol3" could not be extended.
Failure possibly caused by contiguous allocation policy.
Failure possibly caused by strict allocation policy
#>
#> lvdisplay /dev/vg00/lvol3
--- Logical volumes ---
LV Name /dev/vg00/lvol3
VG Name /dev/vg00
LV Permission read/write
LV Status available/syncd
Mirror copies 0
Consistency Recovery MWC
Schedule parallel
LV Size (Mbytes) 1024
Current LE 8
Allocated PE 8
Stripes 0
Stripe Size (Kbytes) 0
Bad block off
Allocation strict/contiguous
IO Timeout (Seconds) default
#>
#> lvchange -C n /dev/vg00/lvol3
Can not change to non-contiguous allocation policy Logical Volume "/dev/vg00/lvol3" must be contiguous.
#>
P.S. This thread has been moved from HP-UX > System Administration to Ignite. -HP forum moderator
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06-21-2013 05:36 AM - last edited on 05-08-2023 09:22 PM by Sunitha_Mod
06-21-2013 05:36 AM - last edited on 05-08-2023 09:22 PM by Sunitha_Mod
Re: unable to lvextend /dev/vg00/lvol3 " / "
One way is/was to use ignite and make a a recovery tape or perhaps a net recovery, boot from that and make changes to the root logical volumes at that point.
If you have a spare disk, it can be accomplished with DRD. The steps are outlined in this document:
Dynamic Root Disk: Quick Start & Best Practices
[Moderator edit: Updated the broken link.]
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06-21-2013 05:59 AM
06-21-2013 05:59 AM
Re: unable to lvextend /dev/vg00/lvol3 " / "
>>Need to extend lvol3 to 6GB
The first question is "WHY"? That seems awfully large for your '/' volume.
The "/" volume MUST be contiguously allocated. There is no way to get around that requirement.
The "easiest" way is to use Ignite/UX to do this, as mentioned above.
Another option, though it is a bit of work and you have to be REALLY careful, is to move the logical volumes that occurr after lvol3 on the disk so that you can then extend lvol3.
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06-21-2013 07:34 AM
06-21-2013 07:34 AM
Re: unable to lvextend /dev/vg00/lvol3 " / "
well, I HAVE to extend :-( as per the document.
All servers have been built as per that spec. Tis particular server, may be due to human error has been alloted less space
this is a vmhost on a bl860 blade
11.31 VSE OE
two local disks
H/W RAID mirrored..now just one disk can be seen - 550GB
Rest of the disks seen in this VM host are from SAN..used to create hpvm guests
free space in this local disk where OS is installed is over 300GB
move logical volumes after lvol3 to where? same disk? or some other disk?
will also be interested to hear more on ignite for this lvol3 extesion.
thank you
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06-21-2013 07:50 AM
06-21-2013 07:50 AM
Re: unable to lvextend /dev/vg00/lvol3 " / "
Here is the link to ignite-ux at HP:
http://h71028.www7.hp.com/enterprise/w1/en/os/hpux11i-system-management-ignite-ux.html
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06-24-2013 05:04 AM - edited 06-24-2013 05:05 AM
06-24-2013 05:04 AM - edited 06-24-2013 05:05 AM
Re: unable to lvextend /dev/vg00/lvol3 " / "
Can I please request ..
can I have a step by step procedure to take the sytem full back up ?
I have an ignite server with enough space....
and have the network connectivity too between this vm host and ignite
I have concluded that ignite is the way to go. DRD amy not work out as the disk size in this host is 550GB and I may not get that big LUN to clone.
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07-01-2013 12:06 AM
07-01-2013 12:06 AM
Re: unable to lvextend /dev/vg00/lvol3 " / "
The chapter # 15 of Ignite-UX Administration Guide at http://h20000.www2.hp.com/bizsupport/TechSupport/DocumentIndex.jsp?lang=en&cc=us&taskId=101&prodClassId=10008&contentType=SupportManual&docIndexId=64255&prodTypeId=18964&prodSeriesId=4077173 detals the steps.
After having created a recovery archive, you may modify the root file system size at the time of recovery from the Ignite-UX user interface at the console.
Thanks,
Sanjay