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тАО10-09-2009 03:51 AM
тАО10-09-2009 03:51 AM
need solution for below error,
if i do vgcreate i am getting below error
A volume group is already using this major and minor number.
===============================================
gbdxgme1 # vgcreate -s 4 /dev/vgsitSD3 /dev/dsk/c0t4d0
Increased the number of physical extents per physical volume to 30499.
vgcreate: Volume group "/dev/vgsitSD3" could not be created:
A volume group is already using this major and minor number.
Please check the minor number of the "group" device file.
==============================================
Solved! Go to Solution.
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тАО10-09-2009 04:05 AM
тАО10-09-2009 04:05 AM
Re: vgcreate URGENT
check the man page of vgcreate :
http://docs.hp.com/en/B2355-60105/vgcreate.1M.html
it always a playng with parameter
-s / -e / -p
-e max_pe
Set the maximum number of physical extents that can be allocated from any of the physical volumes in the volume group. The default value for max_pe is 1016. However, if the size of any physical volume exceeds 1016 times the pe_size, the default value for max_pe is adjusted to match the physical volume size. The maximum number of physical extents can be a value in the range 1 to 65535.
mikap
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тАО10-09-2009 04:09 AM
тАО10-09-2009 04:09 AM
Solution> Please check the minor number of the "group" device file
Did you check the "group" file? You may have to recreate the group file with a different number.
ll /dev/vg*/group
If you have a group file major number conflict, delete the group file of the vgsitSD3 and recreate it with a different number.
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тАО10-09-2009 04:18 AM
тАО10-09-2009 04:18 AM
Re: vgcreate URGENT
I have removed group file but still giving same error
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тАО10-09-2009 04:50 AM
тАО10-09-2009 04:50 AM
Re: vgcreate URGENT
Did you create another group file with a different minor number? Each VG **MUST** have a group file.
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тАО10-09-2009 04:55 AM
тАО10-09-2009 04:55 AM
Re: vgcreate URGENT
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тАО10-09-2009 05:12 AM
тАО10-09-2009 05:12 AM
Re: vgcreate URGENT
Firsty did you have the group file having same minor number?
then use diffrent minor number
delete old group file and then
create a group file like below
mknod /dev/vgname/group c 64 0x0000001
last one is minor number you want
Also post your all group files here.
Regards
sunny
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тАО10-09-2009 05:25 AM
тАО10-09-2009 05:25 AM
Re: vgcreate URGENT
>>last one is minor number you want
That's not quite right.
The minor number IS the last parameter on the command line above. BUT, the minor number itself is the 1st 2 characters AFTER the 'x'.
mknod /dev/vgname/group c 64 0x??0000
Where the '??' the the appropriate minor number for this group file.
Remember that this is in HEX so the appropriate range is 00 to FF, but the value, when converted to decimal, must be LESS than the value of your MAXVGS kernel parameter.
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тАО10-09-2009 05:29 AM
тАО10-09-2009 05:29 AM
Re: vgcreate URGENT
Yes Patrick you are right
This is in HEX so the range is 00 to FF
Regards
Sunny
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тАО10-09-2009 06:20 AM
тАО10-09-2009 06:20 AM
Re: vgcreate URGENT
It would help if you showed us the output of the following commands
ll /dev/vg*/group
strings /etc/lvmtab