An insurance customer is planning to purchase an HP StoreVirtual SAN to support their large
document management repository. They want to utilize Network RAID 6 to protect against multiple
failures. What is the minimum number of nodes that must be included in the proposal to support
this requirement?
A.
3
B.
4
C.
5
D.
6
Explanation:
Network Raid-5 Minimum Systems is 3
”Min number of nodes for NRAID6 is 5.”
http://h20565.www2.hp.com/portal/site/hpsc/template.PAGE/public/psi/mostViewedDisplay/?javax.
portlet.begCacheTok=com.vignette.cachetoken&javax.portlet.endCacheTok=com.vignette.cacheto
ken&javax.portlet.prp_efb5c0793523e51970c8fa22b053ce01=wsrpnavigationalState%3DdocId%253Dmmr_kc-0108305-
18%257CdocLocale%253Den_US&javax.portlet.tpst=efb5c0793523e51970c8fa22b053ce01&sp4t
s.oid=4118659&ac.admitted=1385403834100.876444892.492883150
Could anyone, post a link to a official paper, in my research hardware RAID 6 is different from Network RAID 6, hardware RAID 6 minimum disk are 5, 3 data and 2 parity, 3+2, but in Network RAID 6 it needs 4 nodes for data and 2 nodes for parity for initial configuration so 4+2, it needs 6 nodes.
Answer: D
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Is not and official blog or paper, but it explained very well. Now I don’t know if applies only for P4500 lefthand model or applies for all models.
https://kvaes.wordpress.com/2012/01/04/p4500-lefthand-p4x00-network-raid-explained/
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I found a more realivable source and the answer is C (minumum of 5 nodes)
http://h20564.www2.hpe.com/hpsc/doc/public/display?docId=mmr_kc-0108305
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Thanks Ray! copy/paste from your link “+ NRAID6: Min number of nodes for NRAID6 is 5.”
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