March 2008
Intermediate to advanced
326 pages
10h 22m
English
book
SAN Volume Controller: Best Practices and Performance Guidelines
by Jon Tate, Deon George, Thorsten Hoss, Ronda Hruby, Ian MacQuarrie, Barry Mellish, Peter Mescher
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Chapter 9.2. Copy service limits
Page 146
146 SAN Volume Controller: Best Practices and Performance Guidelines If that LUN was a Managed Disk ( MDisk) in an MDisk group ( MDG) with striped or sequential VDisks on it, the accident might cascade up and bring the MDG offline. This situation, in turn, makes all the VDisks that belong to that group offline. When defining LUNs in point- in- time copy or a remote mirror relationship, double- check that the SVC does not have visibility to the LUN ( mask it so that no SVC node can see it), or if the SVC must see the LUN, ensure that it is an unmanaged MDisk. The storage controller might, as part of its Advanced Copy Services function, take a LUN offline or suspend reads or writes. The SVC does not understand ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.