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Maddenca
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Beginning in 8.0.1 there is a per volume option to set the same:
ntap01> vol options vol2 max_write_alloc_blocks 256
Large Sequential Read
Large sequential read is one of the common data access patterns. For instance, the Decision Support System (DSS) workload or Business Intelligence (BI) system relies heavily on this data pattern to extract useful information timely and generate reports by scanning and analyzing multi-terabyte da...
If you use Hyper-V I'd add one additional step: Use fixed VHDs. Dynamic VHDs insert container metadata inline with the filesystem data (as the VHD grows) resulting in misalignment regardless of your partition layout. So if you're fixing partition misalignment on a VM with dynamic VHDs make sure you also migrate (not convert) to fixed VHDs as well.
Current Status, An Update, and a Look to the Future of Alignment
It has been one year to the date since the last time I authored a post on the topic of partition alignment. I think its fair to state this issue has gained awareness over the last year thanks to posts from a number of industry experts such as Duncan Epping, Aaron Delp, and Chad Sakac just to na...
Can you explain or provide a link to "how" multi-hop FCoE is enabled? My memory is that there are several technical features, or combination of features, that could enable multi-hop FCoE and I'm curious which road was taken for this solution.
Also, several Cisco hw models are listed. Is a specific model required to be in the solution or is it just a list of models that [will] support multi-hop? So for example in the multi-hop diagram above could both be Cisco 5548P?
Lastly, is there a specific firmware level requirement from Cisco & NetApp for multi-hop support?
Answers, or a link to a more detailed whitepaper about the solution, would be great.
Thanks,
Chris
Support for Cisco Director-Class Multihop FCoE & New Ethernet Advantage Program
NetApp is one of the first storage vendors to support director-class multihop Fibre Channel over Ethernet (FCoE) with Cisco data center switches, allowing customers to create larger data center network fabrics and drive IT efficiency by connecting multiple cost-effective FCoE switches. Support f...
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Apr 4, 2011
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