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тАО10-19-2010 07:11 AM
тАО10-19-2010 07:11 AM
When creating a device file named group in the volume directory with the mknod command, what command do I use to obtain and display available minor numbers
Mknod /dev/vgname/group c major 0xminor
Thanks in advance for the assistance
Solved! Go to Solution.
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тАО10-19-2010 07:19 AM
тАО10-19-2010 07:19 AM
Re: Available minor numbers/VG
please use below command
#mknod /dev/vg0X/group c 64 0x0X0000
In Place of X change the no as per ur volume group for example vg01 as below
#mknod /dev/vg01/group c 64 0x010000
Hope this solves ur qery
Don't forget to assign points.
Regards
Vishnu Khandare
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тАО10-19-2010 07:20 AM
тАО10-19-2010 07:20 AM
Re: Available minor numbers/VG
# ls -l /dev/vg*
If you are running a release less than 11.31 you will need to verify your kernel's 'maxvgs' value. Since vg00 counts as a used slot, a 'maxvgs' value of 10 means that you could have 'vg00..vg09' assuming you name your volume groups to match their minor number.
Regards!
...JRF...
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тАО10-19-2010 07:20 AM
тАО10-19-2010 07:20 AM
Re: Available minor numbers/VG
# ll /dev/vg*/group
crw-r----- 1 root sys 64 0x000000 Mar 15 2004 /dev/vg00/group
cr--r--r-- 1 root sys 64 0x010000 Mar 30 2004 /dev/vg01/group
crw-rw-r-- 1 informix informix 64 0x030000 Nov 26 2009 /dev/vg03/group
The minor numbers are the first two digits after "0x".
Pete
Pete
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тАО10-19-2010 07:20 AM
тАО10-19-2010 07:20 AM
Solution# ll /dev/vg*/group
crw-r----- 1 root sys 64 0x000000 Mar 15 2004 /dev/vg00/group
cr--r--r-- 1 root sys 64 0x010000 Mar 30 2004 /dev/vg01/group
crw-rw-r-- 1 informix informix 64 0x030000 Nov 26 2009 /dev/vg03/group
The minor numbers are the first two digits after "0x".
Pete
Pete
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тАО10-19-2010 07:21 AM
тАО10-19-2010 07:21 AM
Re: Available minor numbers/VG
Pete
Pete
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тАО10-19-2010 07:23 AM
тАО10-19-2010 07:23 AM
Re: Available minor numbers/VG
It's simples:
/> ll /dev/*/group
crw-r----- 1 root sys 64 0x000000 Oct 30 2008 /dev/vg00/group
minor = 0x000000
major = 0x000000
Regards
EFS
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тАО10-19-2010 07:30 AM
тАО10-19-2010 07:30 AM
Re: Available minor numbers/VG
major = 0x
minor = 64
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тАО10-19-2010 07:33 AM
тАО10-19-2010 07:33 AM
Re: Available minor numbers/VG
I will go for here.
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тАО10-19-2010 10:15 AM
тАО10-19-2010 10:15 AM
Re: Available minor numbers/VG
the maximum number of volume groups is equal to the kernel parameter MAXVGS in 11.11 and 11.23, i believe the limit is 255 in 11.31
cheers