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тАО04-02-2009 01:53 AM
тАО04-02-2009 01:53 AM
multipathing on HP
How can we check if multipathing is enabled on a HP server.
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тАО04-02-2009 01:56 AM
тАО04-02-2009 01:56 AM
Re: multipathing on HP
What OS? Windows, Linux, HP-UX? What version?
What sort of disk array? EMC Symmetrix? HP XP? HDS USP?
You need to be much more specific...
HTH
Duncan
I am an HPE Employee
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тАО04-02-2009 02:58 AM
тАО04-02-2009 02:58 AM
Re: multipathing on HP
in 11.23
For SANs you have to install SecurePath
For LANs you have to install AutoPath
in 11.31
SAN Multipath option comes with OS
Thanks,
Avinash
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тАО04-02-2009 03:01 AM
тАО04-02-2009 03:01 AM
Re: multipathing on HP
Incorrect.
>in 11.23
>For SANs you have to install SecurePath
>For LANs you have to install AutoPath
SecurePath is for HP disk arrays only
LAN MPIO is delivered using Auto Port Aggregation. AutoPath was an old name for SecuePath
>> in 11.31
>> SAN Multipath option comes with OS
for supported disk arrays... you need to check that your disk array will work with the 11.31 storage MPIO stack
HTH
Duncan
I am an HPE Employee
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тАО04-02-2009 03:30 AM
тАО04-02-2009 03:30 AM
Re: multipathing on HP
Your points are correct thanks for highlighting.
Thanks,
Avinash
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тАО04-02-2009 05:39 AM
тАО04-02-2009 05:39 AM
Re: multipathing on HP
if you are using 11.23 / 11.11 of HP UNIX with HP EVA A/A or A/P storage then you need SecurePath EVA for A/A EVA disk Arrays and SecurePath EVA for A/P EVA disk Arrays respectively.
if you are using 11.23 / 11.11 of HP UNIX with HP XP A/A storage then you need SecurePath XP.
if you are using 11.23 / 11.11 of HP UNIX with EMC storage then you need EMC PowerPath
.
Multipathing with Load Balancing is an Inbuilt feature on 11.31 for A/A Disk Arrays like EVA 4K/6K/8K , XP
You shall depending on the storage that you are using need to check for the native DMP Support on 11.31.
Regards
sujit
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тАО04-02-2009 05:41 AM
тАО04-02-2009 05:41 AM
Re: multipathing on HP
"...
In computer storage, multipath I/O is a fault-tolerance and performance enhancement technique whereby there is more than one physical path between the CPU in a computer system and its mass storage devices through the buses, controllers, switches, and bridge devices connecting them...."
http://en.wikipedia.org/wiki/Multipath_I/O
Thinking of pvlinks, you have always multipathing as long as you have multiple pathes to a device with configured access to this device.
Hope this helps!
Regards
Torsten.
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