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тАО07-04-2003 07:16 AM
тАО07-04-2003 07:16 AM
Open V emulation type on XP1024
Can someone give me a concise description of what the Open-V emulation type is on the XP1024... I can find no reference to it in the XP documentation, but it is mentioned in this document:
http://www.hp.com/products1/storage/pdfs/disk_arrays/5981-5717EN.pdf
as providing variable LUN sizes - is this the same as HDS's VLVI, or is it something completely different?
Thanks
Duncan
I am an HPE Employee
http://www.hp.com/products1/storage/pdfs/disk_arrays/5981-5717EN.pdf
as providing variable LUN sizes - is this the same as HDS's VLVI, or is it something completely different?
Thanks
Duncan
I am an HPE Employee
2 REPLIES 2
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тАО07-06-2003 03:40 AM
тАО07-06-2003 03:40 AM
Re: Open V emulation type on XP1024
Duncan,
OPEN-V is different than VLVI. (the XP still has VLVI [aka CVS].)
It's not documented well because it's a new feature - introduced in February 2003.
OPEN-V is a direct emulation, where VLVI allows you to take an emulation (such as OPEN-9) and cut it into 2 or more LUNs. So, you should be able to use VLVI on an OPEN-V volume (I don't know why you would, but you could).
I haven't set up an XP with OPEN-V yet myself... so, take this with a grain of salt and confirm it with your account ASE or Solutions Architect:
I'm sure that OPEN-V, being an emulation, has to be setup via "define and configure" - which you cannot do (only HP service tech can do define & configure).
Ask your account ASE or Solutions Architect for the docs - they should be able to find them easily.
Good luck,
Vince
OPEN-V is different than VLVI. (the XP still has VLVI [aka CVS].)
It's not documented well because it's a new feature - introduced in February 2003.
OPEN-V is a direct emulation, where VLVI allows you to take an emulation (such as OPEN-9) and cut it into 2 or more LUNs. So, you should be able to use VLVI on an OPEN-V volume (I don't know why you would, but you could).
I haven't set up an XP with OPEN-V yet myself... so, take this with a grain of salt and confirm it with your account ASE or Solutions Architect:
I'm sure that OPEN-V, being an emulation, has to be setup via "define and configure" - which you cannot do (only HP service tech can do define & configure).
Ask your account ASE or Solutions Architect for the docs - they should be able to find them easily.
Good luck,
Vince
No matter where you go, there you are.
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тАО07-09-2003 03:27 PM
тАО07-09-2003 03:27 PM
Re: Open V emulation type on XP1024
OPEN-V is a new emulation method that simplifies creating Luns of arbitrary sizes from 48MB-2TB. It uses CVS & LUSE underneath but hides the setup complexities of using the combination these 2 services (licenses for both is required). I've also heard that the result is faster I/O.
Normal is boring...
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