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How to check san disk on HP
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05-15-2009 01:08 AM
05-15-2009 01:08 AM
How to confirm whether a disk is a local disk or a SAN disk on HP-UX, And for some of the servers, SAN disks will be connected but we dont have any san software installed on the server, in that case how to confirm whether that server actually using the SAN..
Solved! Go to Solution.
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05-15-2009 01:16 AM
05-15-2009 01:16 AM
SolutionThere are many ways you can identify. One is by looking at the hardware path of the luns.
#ioscan -funC fc -> will list the hardware path of th FC HBA cards. LUNS starting from this hardware paths are from the SAN.
Another way is, DESCRIPTION field in ioscan -funC disk output. This field will show the details about SAN disks like this.
disk 134 0/2/0/0.200.4.0.0.0.1 sdisk CLAIMED DEVICE EMC SYMMETRIX
/dev/dsk/c11t0d1 /dev/rdsk/c11t0d1
And all the servers will have maximum of 1-4 internal disks which can be easily identified by its hardware path and description field on ioscan output.
Ganesh.
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05-15-2009 01:19 AM
05-15-2009 01:19 AM
Re: How to check san disk on HP
Re: How to check san disk on HP
Forgot to add.
>>And for some of the servers, SAN disks will be connected but we dont have any san software installed on the server, in that case how to confirm whether that server actually using the SAN.<<
You don't need any san software to view or access the luns. If the luns are presented to the server ioscan will automatically show the disks and you can use it after creating the device files using insf -e.
Ganesh.
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05-15-2009 01:22 AM
05-15-2009 01:22 AM
Re: How to check san disk on HP
Re: How to check san disk on HP
This is not really true. An rx6600, for example can have up to 16 internal disks installed.
However, in majority of cases, SAN disks can be indentified from the description field. If it reads something like OPEN-*, SYMMETRIX, HSV, HSG, then the device comes from an external, SAN attached disk array.
J.
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05-15-2009 01:27 AM
05-15-2009 01:27 AM
Re: How to check san disk on HP
Re: How to check san disk on HP
Its depending upon your storage for EMC you can use this below command
#ioscan -fnC disk | grep -i emc
Suraj
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05-15-2009 03:15 PM
05-15-2009 03:15 PM
Re: How to check san disk on HP
Re: How to check san disk on HP
Heh, this has always been an interesting issue.
Through experience and testing, I have found out various strings that different SAN and
other arrays generate in ioscan(1M).
Here they are (as listed in my Perl
script):
OPEN-|HSV|HSG|MSA|IBM DMV|NEXSAN|OPENstorage|EMC|DGC|SYMMETRIX|IR Volume|LOGICAL VOLUME
Perl script is at:
http://www.circlingcycle.com.au/Unix-sources/HP-UX-check-OAT.pl.txt
Cheers,
VK2COT
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05-15-2009 08:07 PM
05-15-2009 08:07 PM
Re: How to check san disk on HP
Re: How to check san disk on HP
You can check SAN disk by below procedure
First check the
#ioscan -funC fc
for hrdawre path of HBA
then
#ioscan -funC disk
For SAN disk , no need any SAN software.
If it helps, pls assign point.
Rgds//
Taifur
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05-15-2009 08:29 PM
05-15-2009 08:29 PM
Re: How to check san disk on HP
Re: How to check san disk on HP
by always , performing "ioscan" command as below
# ioscan -fnC disk "look for HW path address"
>>And for some of the servers, SAN disks will be connected but we dont have any san software installed on the server<<
Yes, your right, that why we use system command to check them
Example:-
# ioscan -fnC disk
#ioscan -fn |more --> Check fc claimed
or you can use "script" to check disk connected to SAN storage
Thanks,
Johnson
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05-16-2009 01:06 AM
05-16-2009 01:06 AM
Re: How to check san disk on HP
Re: How to check san disk on HP
Dear Swaraj
ioscan -funC disk
if u don't know lun number try to find the lun number by using xpinfo or evainfo etc...it depends on storage.
xpstorage
xpinfo -i | grep -i lun number will give
u disk
xpinfo -i c#t#d# will give u lun number
thanks and regards
Sajjad sahir
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05-29-2009 01:32 AM
05-29-2009 01:32 AM
Re: How to check san disk on HP
Re: How to check san disk on HP
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