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First, thanks to those who wrote me, both online and offline, about my last post on the distribution of cluster node counts. As a follow-up, here’s a look at cluster asymmetry – that is, how often a cluster’s nodes are not identical. This is a ...
Blog Entry by ScottK | 14 Feb 2012 | 0 comments
Some of the data I plan to analyze in this blog involve scale/size, including utilization. I've heard industry analysts and experts cite storage utilizations rates around 40%; Nicholas Carr recently spoke at Symantec and noted that at roughly 30%, ...
Blog Entry by ScottK | 14 Feb 2012 | 0 comments
One of the really cool things about Storage Foundation Cluster File System (CFS) and Cluster Volume Manager (CVM) is that the on-disk formats they use are identical to those of regular VxFS and VxVM. You can go back and forth with no data conversion. ...
Article by ScottK | 20 Jun 2011 | 3 comments
This download, VRTSspt, is included in the the 5.1 binaries you downloaded or got via DVD. But you may not have installed it; here’s a brief explanation. What's in it & why you care: The tools in this package are key supportability ...
Download by ScottK | 07 Dec 2009 | 0 comments
Rationale Even small changes in default behavior can trigger operational changes. In general, Storage Foundation aims to minimize such changes, but occasionally they are necessary; and some changes which occur every release may not be well ...
Article by ScottK | 21 Jun 2010 | 3 comments
What is FileConnect? FileConnect is the Symantec site from which business customers download product binaries. Its url is http://fileconnect.symantec.com Logging in to FileConnect requires a serial number; that serial number is not the ...
Article by ScottK | 27 Apr 2010 | 0 comments
Dynamic Storage Tiering (DST) policies provide extensive controls to determine on which tier to create a file, and when/why it should move to a different tier. This sample file, in contrast, implements perhaps the simplest DST  policy. It creates new ...
Download by ScottK | 07 Oct 2009 | 0 comments
FAQs and Myths for Storage Foundation Keys Keys have gotten simpler, but explanations and awareness haven’t kept up June 16, 2009 To start, let’s review the difference between a license and a key, as the two terms are often (but incorrectly) ...
Article by ScottK | 17 Jun 2009 | 7 comments
Veritas File System (VxFS) Software Developer’s Kit (SDK) provides developers with the information necessary to use the application programming interfaces (APIs) to modify and tune various features and components of the Veritas File System. These APIs ...
Download by ScottK | 16 Mar 2009 | 1 comment
Created by: Scott Kaiser This Perl script decides whether a given VxFS file system would benefit from defragmenting, based on published guidelines for fragmentation statistics. If the -a (auto) option is used, the script defragments the file system ...
Download by ScottK | 03 Mar 2009 | 0 comments