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More information about ((raid 5EE))

If some provide me some good information about ((raid 5EE)) because I want to use in my exchange server 2003
it good idea or not
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khaled_mct
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khaled_mct
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David_FongCommented:
It is IBM proprietory RAID5 with hot spare but rather than a physical hot spare it is a virtual spare made from reserved space within the disks of the array, see http://www.redbooks.ibm.com/redbooks/SG246874/wwhelp/wwhimpl/common/html/wwhelp.htm?context=SG246874&file=07-23.htm
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kdkirmseCommented:
Multiple manufacturers offer this kind of disk structure. Some call it 5EE others call it distributed sparing.
Using this kind of disk structure allows for a modest increase in volume performance and there are claims
that it can increase the reliabilty of a system. I dont see any argument against using such a structure
if all you have is one volume in your RAID system. If you have multiple RAID volumes in a given RAID
enclosure or connected to a common RAID card then this kind of structure would result in less overall
storage capacity.

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