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тАО05-05-2009 09:48 PM
тАО05-05-2009 09:48 PM
Multipath solution
Pls help me to find out which package is installed on server for auto discovery of path to LUN (Symantec DMP,EMC Power Path ,HP Secure Path ), And also notify how to identify newly allocated LUN for the host (HP-UX B.11.23 U ia64)
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тАО05-05-2009 09:53 PM
тАО05-05-2009 09:53 PM
Re: Multipath solution
Hope this helps!
Regards
Torsten.
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тАО05-05-2009 09:56 PM
тАО05-05-2009 09:56 PM
Re: Multipath solution
#swlist -l product|grep Power
>>identify newly allocated LUN for the host
1. ioscan
2. ioscan -fnC disk
then check with the appropriate command of multipathing software command.
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тАО05-06-2009 02:41 AM
тАО05-06-2009 02:41 AM
Re: Multipath solution
If we are using such tool is there any tool specific command for that ?
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тАО05-06-2009 02:56 AM
тАО05-06-2009 02:56 AM
Re: Multipath solution
first of all. hpux already come with a native multipathing solution for whatever storage you use.
PV-LINKS. you can use it to allow multipathing redundancy.
ioscan -fnC disk
"get the new LUNS hardware address"
insf -H "hardware Address"
ioscan -fnC disk "get the new created device name".
.
check vgcreate manual page for multiple pv_paths to the same LUN.
thanks
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тАО05-06-2009 03:07 AM
тАО05-06-2009 03:07 AM
Re: Multipath solution
will u pls provide product name for the tool(dmp, Muti path, secure path) and its version also.
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тАО05-06-2009 05:42 AM
тАО05-06-2009 05:42 AM
Re: Multipath solution
PV links is not multipathing. PV links is more of a poor man's load balancing. But it is definitely not multipathing. Since you are on 11.23 you are going to either need HP's Securepath of some other vendors multipathing product. I have only personally used SecurePath and the DMP provided with Vertias Volume Manager. They both work well.
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тАО05-11-2009 12:05 PM
тАО05-11-2009 12:05 PM
Re: Multipath solution
ioscan -funC ext_bus | more
will list your array interfaces, make note of the H/W path
ioscan -funC disk | more
will list your disk, note the H/W paths and state of disks.
insf -e
will install your device files for the newly allocated luns.
diskinfo
Do a man fcmsutil. fcmsutil is a fibre channel tool which has a lot of options for tracking down the state of your fibre channel connections to you SAN.
If you have a newer system your HBA cards should supoort auto discovery. A quote from the following link:
http://searchstorage.techtarget.com/news/article/0,289142,sid5_gci922510,00.html
For HP-UX and AIX operating systems, as long as they support the vendor's HBA, the autodiscovery of LUNs feature should be available. Each ships with utilities native to its operating systems that allow new LUNs to be discovered without requiring reboots of its respective systems, regardless of the HBA manufacturer.
Also if you want to find out what product you have installed on your system try:
swlist -l product | more and see if that works.
(if this helps points are appreciated.) ;)