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01-05-2012 11:00 AM
01-05-2012 11:00 AM
LVM disk not shown
hello,
I have hp san 4400 and i created
two vdisk one is 200 gb and another is 230 gb this vdisk in PRESENTED connected on hp ux server(UATDATA1)
This disks shown on hp ux like
/dev/dsk/c2t1d0 and
/dev/dsk/c2d1d3
so i created the lvm via SMH like
/dev/x01/vgx01 mounted on /x01 and
/dev/s01/vgs01 mounted on /s01
its all right and working fine
BUT MY DBA(user)TOLD ME DELETE THE DISK AND CREATE LARGE space DISK
SO I DELETED LVM on hp-ux(uatdata1) AND SAN VDISK
AGAIN I CREATED TWO VDISK
ONE IS 300 GB AND 0NE IS 400 GB
ITS connected on (uatadata1)
BUT WHEN I RUN COMMAND
IOSCAN -M DSF
ITS SHOWS OLDER disk
/dev/dsk/c2t1d0 and
/dev/dsk/c2d1d3
AND RUN ANOTHER COMAND
DISKINFO /DEV/DSK/C2T1D0
ITS SHOWS NOTHING on both disk
AND run SMH
THERE ALSO SHOWN DISK 0 GB SPACE
Why my new disk not shown and
why its shown 0% disk space on that particular disks
why its shown older deleted disk path and not seem new disk path.
i awaiting of your precious answer.
Thanks
aamir uddin
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01-05-2012 11:04 AM
01-05-2012 11:04 AM
Re: LVM disk not shown
If you delete a LUN and present another new LUN with same LUN number the server prevents access for security reasons, unless you use scsimgr with replace_wwid option (see scsimgr white paper) or a reboot of the server.
Hope this helps!
Regards
Torsten.
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01-05-2012 11:24 AM
01-05-2012 11:24 AM
Re: LVM disk not shown
if it is possible
without restart the server and re create the vdisk different lun on SAN .
if it is .how can we that.
Thanks
aamir uddin
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01-05-2012 09:04 PM
01-05-2012 09:04 PM
Re: LVM disk not shown
Hi,
i am awaiting of your precious reply.
thanks
aamir uddin
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01-05-2012 09:20 PM
01-05-2012 09:20 PM
Re: LVM disk not shown
You can delete the old disk devices / hardware address to clear it from ioscan output.
Run the below command to rescan and make the new disk visible.
# ioscan -fnNC disk
# insf -e (reinstall missing / new device files)
# ioscan -m dsf -> check if the new luns are seen. it might not be have the same device name as the older one.
Pradeep
I am an HP Employee
A quick resolution to technical issues for your HP Enterprise products is just a click away HP Support Center Knowledge-base
See Self Help Post for more details
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01-05-2012 09:35 PM - edited 01-05-2012 09:42 PM
01-05-2012 09:35 PM - edited 01-05-2012 09:42 PM
Re: LVM disk not shown
For 11.31 this is not enough.
Get this:
http://bizsupport2.austin.hp.com/bc/docs/support/SupportManual/c01914672/c01914672.pdf
see page 29
Hope this helps!
Regards
Torsten.
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those who understand binary, and those who don't.
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01-06-2012 03:26 AM
01-06-2012 03:26 AM
Re: LVM disk not shown
Hi,
After restarting the server disk are present
and diskinfo also shown the size of disk
but
on smh no unused disk visible.
on smh disk are not visible why?
please help me.
aamir uddin
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01-06-2012 03:37 AM
01-06-2012 03:37 AM
Re: LVM disk not shown
(VG definitions, etc)
Hope this helps!
Regards
Torsten.
__________________________________________________
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those who understand binary, and those who don't.
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