Lately I have been asked a lot about a topic in storage management that I thought most companies have a solid handle on already. But I’m being asked more and more what my recommendations are around path management. I suspect that this has something to do with the path management changes in VMware … [Read more...]
Multipath: Active/Passive, Dual Active, and Active/Active
March 31, 2010 by 2 Comments
Although it’s rare in the PC world, multipath I/O is not new in enterprise IT. I’ve been juggling paths to storage and networks as long as I’ve been a systems administrator, and that’s a bit longer than I care to admit. But the proliferation of technologies has made it difficult to … [Read more...]
PowerPath To The Virtual People
April 22, 2009 by Leave a Comment
Hiding in the shadow of the huge VMware vSphere 4 announcement was a very interesting introduction by EMC: PowerPath/VE. As I mentioned in my post on storage changes in vSphere 4, PowerPath/VE plugs into the new pluggable storage architecture (PSA) found in vSphere 4 versions of ESX and takes over … [Read more...]