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тАО11-15-2006 04:03 AM
тАО11-15-2006 04:03 AM
EMC Powerpath and EVA4000
I am attempting to add a LUN from an EVA 4000 to a Win 2003 server that already is using a LUN from a CX300 via Powerpath.
I'm having no luck, although the 4 paths to the LUN appear in disk manager.
I have installed Powerpath (v4.5) to support HP arrays, but I'm wondering if the 4000 is not supported.
I'm having no luck, although the 4 paths to the LUN appear in disk manager.
I have installed Powerpath (v4.5) to support HP arrays, but I'm wondering if the 4000 is not supported.
3 REPLIES 3
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тАО11-15-2006 06:30 AM
тАО11-15-2006 06:30 AM
Re: EMC Powerpath and EVA4000
A multipath solution like Powerpath(EMC) or Secure Path (HP) usually only works with the storage vendor's own arrays.
For the EVA4000, you need HP's MPIO DSM for the EVA4000/6000/8000. If this is a critical system, I would also try to find out in advance if Powerpath and MPIO can co-exist on one server.
If you intend a data migration, I would:
- connect the EVA single-path
- do the migration
- remove the CX connectivity
- and Powerpath
- install the EVA 4/6/8000 MPIO DSM
- connect the EVA multi-path
For the EVA4000, you need HP's MPIO DSM for the EVA4000/6000/8000. If this is a critical system, I would also try to find out in advance if Powerpath and MPIO can co-exist on one server.
If you intend a data migration, I would:
- connect the EVA single-path
- do the migration
- remove the CX connectivity
- and Powerpath
- install the EVA 4/6/8000 MPIO DSM
- connect the EVA multi-path
.
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тАО11-15-2006 07:59 PM
тАО11-15-2006 07:59 PM
Re: EMC Powerpath and EVA4000
Hi,
looking through the documentation for PowerPath 4.5.0, it seems to support MA (HSG80) and EVA3000/5000. I guess it only supports the active/passive EVAs. The EVA4000 is active/active, so you probably won't be able to get it working with PowerPath. I think PP and MPIO can work together. Just make sure you have up-to-date versions of both. We had problems with PP 4.5 and older version of Hitachi Dynamic Link Manager on the same Windows box (Bluescreen when a path was restored)
Regards,
Stephen
looking through the documentation for PowerPath 4.5.0, it seems to support MA (HSG80) and EVA3000/5000. I guess it only supports the active/passive EVAs. The EVA4000 is active/active, so you probably won't be able to get it working with PowerPath. I think PP and MPIO can work together. Just make sure you have up-to-date versions of both. We had problems with PP 4.5 and older version of Hitachi Dynamic Link Manager on the same Windows box (Bluescreen when a path was restored)
Regards,
Stephen
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тАО11-16-2006 12:23 AM
тАО11-16-2006 12:23 AM
Re: EMC Powerpath and EVA4000
Uwe, I understand how to migrate, but that's not what I was trying to do at this point (maybe someday). I need to interoperate for today if possible.
Stephen, I had discovered the same info you did, but was hoping it might be a workable solution with Powerpath, and EMC/Dell are not helpful when it comes to third-party support.
I was not willing to tempt fate by installing MPIO with Powerpath, but I'll investigate that option.
Thanks all.
Stephen, I had discovered the same info you did, but was hoping it might be a workable solution with Powerpath, and EMC/Dell are not helpful when it comes to third-party support.
I was not willing to tempt fate by installing MPIO with Powerpath, but I'll investigate that option.
Thanks all.
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