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08-28-2013 07:28 AM
08-28-2013 07:28 AM
Hello Experts,
I have a problem with the extention of the mirror LVOL, OS - 11.23
I have a request to extend mirror LVOL's by additional 20 GB size from the internal disk (disks are having 60GB free space) of server and not storage disks.
I have use below syntax to complete the task but unfortunalty its failed.
1 > lvextend -L size LV_NAME DISK1 DISK2
issue - lvextend happened with 10GB of DISK1 - mirrored with 10GB from the same DISK1
10GB of DISK2 - mirrored with 10GB from the same DISK2
2 > lvextend -L size LV_NAME DISK1 -- for extention
lvextend -m LV_NAME DISK2 --- for mirror
issue - lvextend happened with 20GB of DISK1 - mirrored with 20GB from the same DISK1
Please suggest the best method to complete this task.
Thanks & regards,
Chirag Parikh
Solved! Go to Solution.
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- lvextend
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08-28-2013 08:35 AM
08-28-2013 08:35 AM
Re: Problem in extending mirror LVOL's
Well, the LVOL *is* already mirrored!
So you extend the *mirrored* LVOL once, it will automatically extend the mirror too.
If you try to lvextend the "original" and then the mirror, you will extend the LVOL *twice*!!!
Hope this helps!
Regards
Torsten.
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08-28-2013 09:11 AM
08-28-2013 09:11 AM
Re: Problem in extending mirror LVOL's
My problem is the mirror is not happening from the DISK2, its taking the space from DISK1 only even though i have mentioned the disk sequence for extend as well mirror.
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08-28-2013 10:13 AM
08-28-2013 10:13 AM
Re: Problem in extending mirror LVOL's
Then the allocation policy is not strict.
Show us a "lvdisplay -v" please.
Hope this helps!
Regards
Torsten.
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08-29-2013 01:36 AM
08-29-2013 01:36 AM
Re: Problem in extending mirror LVOL's
Expert,
You are right, the allocation policy is non-strict here.
LV Permission read/write
LV Status available/syncd
Mirror copies 1
Consistency Recovery NOMWC
Schedule parallel
LV Size (Mbytes) 924544
Current LE 14446
Allocated PE 28892
Stripes 0
Stripe Size (Kbytes) 0
Bad block on
Allocation non-strict
IO Timeout (Seconds) default
@Torsten. wrote:
>> My problem is the mirror is not happening from the DISK2, its taking the space from DISK1 only even though i have mentioned the disk sequence for extend as well mirror.
Then the allocation policy is not strict.
Show us a "lvdisplay -v" please.
@Torsten. wrote:
>> My problem is the mirror is not happening from the DISK2, its taking the space from DISK1 only even though i have mentioned the disk sequence for extend as well mirror.
Then the allocation policy is not strict.
Show us a "lvdisplay -v" please.
@Torsten. wrote:
>> My problem is the mirror is not happening from the DISK2, its taking the space from DISK1 only even though i have mentioned the disk sequence for extend as well mirror.
Then the allocation policy is not strict.
Show us a "lvdisplay -v" please.
@Torsten. wrote:
>> My problem is the mirror is not happening from the DISK2, its taking the space from DISK1 only even though i have mentioned the disk sequence for extend as well mirror.
Then the allocation policy is not strict.
Show us a "lvdisplay -v" please.
@Torsten. wrote:
>> My problem is the mirror is not happening from the DISK2, its taking the space from DISK1 only even though i have mentioned the disk sequence for extend as well mirror.
Then the allocation policy is not strict.
Show us a "lvdisplay -v" please.
@Torsten. wrote:
>> My problem is the mirror is not happening from the DISK2, its taking the space from DISK1 only even though i have mentioned the disk sequence for extend as well mirror.
Then the allocation policy is not strict.
Show us a "lvdisplay -v" please.
So what should be my way of working to fix it for future as i am aware that this extention wont be possible to roll-back in 11.23 untill i will re-create the whole VG.
Thanks & regards,
Chirag Parikh
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08-29-2013 01:41 AM
08-29-2013 01:41 AM
SolutionSee lvchange man page for details.
# lvchange -s y ...
Hope this helps!
Regards
Torsten.
__________________________________________________
There are only 10 types of people in the world -
those who understand binary, and those who don't.
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- Tags:
- lvchange