In an HP Storage Works EVA Best Practices document published in February 2010, we were advised not to use the HP MPIO DSM with Cluster Shared Volumes, but as an alternative to use Microsoft Native MPIO only. This was unfortunate because the HP MPIO Full Featured DSM allows for better visibility and control of the [...]
Posts Tagged ‘CSV’
Find free disk space in Cluster Shared Volumes (CSV)
Ahmed Bisht, Senior Program Manager from the Microsoft Clustering & High Availability team published a nice PowerShell script for exposing the free disk space in Cluster Shared Volumes.
Check out his blog at: http://blogs.msdn.com/b/clustering/archive/2010/06/19/10027366.aspx
Hyper-V R2 hotfixes for DPM 2010
Install at least these two hotfixes on Hyper-V R2 servers:
KB975354 A Hyper-V rollup package dealing with parallel backups on same cluster shared volumes and VM’s hosted by different servers; Avoiding data truncation as a result of simultaneous backup of VM from host and from within virtual machine; properly restoring a VM with snapshots to another [...]
Data Protection Manager 2010 Release Candidate has arrived
The release candidate of DPM2010 has just been released.
The download location is: http://connect.microsoft.com/site840/Downloads/DownloadDetails.aspx?DownloadID=26452
The RC features support backup of machines within your intranet, which includes:
Workgroup machines
Machines in untrusted domains within your intranet
Please note that in this release, this feature has been built for backing up machines within environment and DPM2010 RC does [...]
A Hyper-V update rollup package is available for Windows Server 2008 R2
Several issues around VSS based protection & recovery are being addressed with this Hyper-V update rollup package. The package can be downloaded from: http://support.microsoft.com/hotfix/KBHotfix.aspx?kbnum=975354&kbln=en-us
The last three issues might sound familiar if you already perform host level protection of virtual machines on Cluster Shared Volumes (CSV) with Microsoft System Center Data Protection Manager [...]
How to Protect your MS Virtualized Environment with DPM2010 (Part 3)
Next in this series is a TechEd Europe 2009 presentation by Asim Mitra, a senior program manager from Microsoft, on data protection and recovery of Hyper-V and Hyper-V R2 workloads with Data Protection Manager 2010.
DPM2010 beta has been publicly available for a few weeks. In my own lab DPM2010 is spinning happily, protecting a Hyper-V [...]
Best Practices to Implement Windows Server 2008 R2 and Hyper-V R2 on HP ProLiant Servers (Part 2)
On the first day of TechEd Europe 2009, Doug Dewerd presented a session on best practices to implement Windows Server 2008 R2 on HP ProLiant Servers. This is in fact the combination of hardware and software I have preferred ever since Windows and ProLiant were joined, exactly 20 years ago last week. The ProLiant server [...]
Comparing CSV to VMFS3 and storage improvements in Hyper-V R2
In my previous blog I asked what CSV sizes were used in Hyper-V R2 environments. One of my Twitter contacts, James Price (@SpinMasterJP) replied he was starting out at 2TB if the array supports Thin Provisioning. James also mentioned having discussed with the Microsoft Cluster Team over 500 VM’s per CSV while seeing good IO [...]
How large is your Cluster Shared Volume?
In his blog Chris Adams, a Senior Lead Program Manager in the Microsoft Server Division, wrote about setting up a new Hyper-V R2 clusters and migrating non high available VM’s to the cluster and FC SAN based storage.
Chris has defined fairly large Cluster Shared Volumes. Until now I have advised to limit the number of [...]
First cluster migration experience to Hyper-V R2 cluster
[recovered from Google cache without pictures]
Our research HP c3000 Blade Enclosure at Nobel, sometimes referred to as Shorty, has been running several builds of Hyper-V clusters. Last summer we started with installing our first Hyper-V (now referred to as R1) cluster which went RTM at the end of June 2008.
Just after TechEd 2008 in November [...]
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