My colleague Ken Werneburg, also known as “@vmKen“, just published a new white paper. (Follow him if you aren’t yet!) This white paper talks about both SRM and Stretched Cluster solutions and explains the advantages and disadvantages of either. It provides a great overview in my opinion on when a stretched cluster should be implemented or when SRM makes more [...]
. . . → Read More: Stretched Clusters and Site Recovery Manager
In the just released vSphere 5.0 Update 1 some welcome enhancements were added around vSphere HA and how a Permanent Device Loss (PDL) condition is handled. The PDL condition is a condition that is communicated by the array to ESXi via a SCSI sense code and indicates that a device (LUN) is unavailable and more than likely permanently unavailable. This [...]
. . . → Read More: Permanent Device Loss (PDL) enhancements in vSphere 5.0 Update 1 for Stretched Clusters
When doing some research for a paper I am working on I noticed something. On the 29th of February the KB Article that explains some of the failure scenarios for a NetApp MetroCluster solution was updated and support for “ESXi 5.0″ was added. I haven’t seen an update to the vMSC HCL yet, but I would guess that this would [...]
. . . → Read More: NetApp MetroCluster supported for 5.0?