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тАО07-06-2005 11:21 PM
тАО07-06-2005 11:21 PM
I want to know disks in xp48 available to the server
I need space in some vg, and want to add disks (lun) from the xp48, but don't have access to the xp48.
There are some /dev/dsk/CxTyDz that are not used by any vg. Are these luns that are mapped from the xp48, and are they free to pvcreate them and then vgextend ?
Attached `xpinfo`, `ls /dev/dsk/*` and strings `/etc/lvmtab`
Thanks a lot.
There are some /dev/dsk/CxTyDz that are not used by any vg. Are these luns that are mapped from the xp48, and are they free to pvcreate them and then vgextend ?
Attached `xpinfo`, `ls /dev/dsk/*` and strings `/etc/lvmtab`
Thanks a lot.
3 REPLIES 3
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тАО07-06-2005 11:40 PM
тАО07-06-2005 11:40 PM
Re: I want to know disks in xp48 available to the server
Hi,
Two other useful command is :
ioscan -fnC disk
diskinfo /dev/rdsk/..... (raw devicefile name)
Is zoning/presentation/lun-masking (or whatever it is called for rhe xp array) correct configured. If not, it is of course a risk that the lun is used by another system.
Two other useful command is :
ioscan -fnC disk
diskinfo /dev/rdsk/..... (raw devicefile name)
Is zoning/presentation/lun-masking (or whatever it is called for rhe xp array) correct configured. If not, it is of course a risk that the lun is used by another system.
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тАО07-07-2005 12:12 AM
тАО07-07-2005 12:12 AM
Re: I want to know disks in xp48 available to the server
Thanks for reply. I don't know if lun mapping was correctly configured (by HP :)
but i need to know where those disks in /dev/dsk (not used by any vg) come from ?
Here is an ioscan -nfkCdisk.
but i need to know where those disks in /dev/dsk (not used by any vg) come from ?
Here is an ioscan -nfkCdisk.
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тАО07-12-2005 06:32 PM
тАО07-12-2005 06:32 PM
Re: I want to know disks in xp48 available to the server
If you run diskinfo on those "disk-subsystems" devices, they should be 0 size. It is bug from XP (usualy created when non continuous LUN mapping on XP), maybe there is a patch to fix ioscan. Generaly this is no harm to the system.
Marek
Marek
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