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тАО08-15-2008 02:01 AM
тАО08-15-2008 02:01 AM
HP EVA and RSS representation
for better understanding of the EVA concept with the Redudant Storage Set I have drawn it (look at the attachment).
Can anybody tell me if the representation is correct.
Thanks
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тАО08-15-2008 02:23 AM
тАО08-15-2008 02:23 AM
Re: HP EVA and RSS representation
this thread can help you to check your scheme pls:
http://forums11.itrc.hp.com/service/forums/questionanswer.do?admit=109447626+1218795782995+28353475&threadId=886230
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тАО08-15-2008 02:44 AM
тАО08-15-2008 02:44 AM
Re: HP EVA and RSS representation
The data structures are a bit more complicated, so A2 could be on 01:00 and 01:01, too. And a VRAID-5 stripe need not be on 5 consecutive disk drives - it could be stored on any 5 different disk drives within an RSS.
In the legend, it should be "RSS ID/INDEX"
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тАО08-15-2008 04:29 AM
тАО08-15-2008 04:29 AM
Re: HP EVA and RSS representation
in the attachment a corrected version.
> The data structures are a bit more
> complicated, so A2 could be on 01:00 and
> 01:01, too.
> And a VRAID-5 stripe need not be
> on 5 consecutive disk drives - it could be
> stored on any 5 different disk drives within
> an RSS.
But _could_ be theoreticly also in the order I have drawn in my scheme.
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тАО08-15-2008 04:58 AM
тАО08-15-2008 04:58 AM
Re: HP EVA and RSS representation
Agree. Nobody can really tell unless (s)he looks into the current mapping tables (which are not accessible to the end-user) and even the mapping can change over time. But for illustrations I draw it the same way, by the way ;-)