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тАО01-14-2009 08:44 PM
тАО01-14-2009 08:44 PM
Solved! Go to Solution.
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тАО01-14-2009 11:46 PM
тАО01-14-2009 11:46 PM
Re: the concept of active/active array
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тАО01-15-2009 03:36 AM
тАО01-15-2009 03:36 AM
Re: the concept of active/active array
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тАО01-15-2009 04:06 AM
тАО01-15-2009 04:06 AM
Re: the concept of active/active array
If there are to many I/Os going through the non-owning controller, the EVA automatically does an ownership change to improve the performance.
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тАО01-15-2009 05:52 AM
тАО01-15-2009 05:52 AM
Re: the concept of active/active array
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тАО01-15-2009 06:15 AM
тАО01-15-2009 06:15 AM
SolutionFor some years now, we have an industry standard for active/active multipath failover. This means that a lot of things needs to developed only once.
Microsoft, for example, provides an MPIO framework for Windows and the array vendors only supply some array-specific 'knowledge' in form of a DSM (Device Specific Module).
Some operating systems like NetWare, HP-UX, Sub Solaris(?) work 'out-of-the-box' with an active-active EVA because the operating system includes an MPIO. HP no longer needs to implement and maintain its own multipath solution - this cuts down costs(!), especially for platforms with a lower volume.
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тАО01-15-2009 05:27 PM
тАО01-15-2009 05:27 PM