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- How can I map CTD to /dev/disk devices?
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07-26-2013 06:08 AM
07-26-2013 06:08 AM
We just received our first HP-UX 11.31 server. I'm only familiar with LVM on HP-UX 11.i where disk devices such as /dev/dsk/c0t8d0 were displayed in commands like "strings /etc/lvmtab" and "vgdisplay -v vg00", etc.
These commands now return /dev/disk/disk4_p2 instead, and I'm wondering how to correlate this to the output of ioscan and lssf /dev/dsk/* which shows the /dev/dsk/ctd numbers?
Any help would be appreciated.
Solved! Go to Solution.
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07-26-2013 06:47 AM
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07-26-2013 07:00 AM
07-26-2013 07:00 AM
Re: How can I map CTD to /dev/disk devices?
You should probably read through this white paper:
The Next Generation Mass Storage Stack HP-UX 11i v3
http://bizsupport1.austin.hp.com/bc/docs/support/SupportManual/c01915618/c01915618.pdf
It should explain a lot of the new concepts that you haven't seen before.
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07-26-2013 07:09 AM
07-26-2013 07:09 AM
Re: How can I map CTD to /dev/disk devices?
Thanks Matti. Looks like things have changed a bit.
My goal was to see what disks are available before creating as OS recovery image using the 'drd clone' command.
# ioscan -m dsf
Persistent DSF Legacy DSF(s)
========================================
/dev/rdisk/disk3 /dev/rdsk/c0t8d0
/dev/rdisk/disk4 /dev/rdsk/c0t8d1
/dev/rdisk/disk4_p1 /dev/rdsk/c0t8d1s1
/dev/rdisk/disk4_p2 /dev/rdsk/c0t8d1s2
/dev/rdisk/disk4_p3 /dev/rdsk/c0t8d1s3
So I'm assuming c0t8d0 and c0t8d1 are separate disks. vg00 contains /dev/disk/disk4_p2 and a pvcreate of /dev/rdisk/disk3 ran without complaint.
Jim