I have written at length in the past about both Storage Spaces (Storage Pools: Dive right in!) and Software iSCSI Targets (iSCSI Storage in Windows Server 2012), as well as Failover Clusters (See list). These are all great technologies that IT Professionals should know.
Recently I got an e-mail from a reader who had all of the pieces in place, but he couldn’t create the iSCSI virtual disk. “…Even though I have plenty of space available, the New iSCSI Virtual Disk Wizard is showing no eligible servers available. What am I doing wrong?
There is a caveat that I am sure is documented somewhere, but I haven’t seen it. You cannot create an iSCSI Virtual Disk on a server that has Failover Clustering installed. Now, this doesn’t actually mean that you cannot have an iSCSI Target Server that is clustered… but unlike the chicken and the egg, we absolutely know which has to come first here… You have to create your iSCSI Virtual Disks before you install Failover Clustering.
I hope this clears things up!
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