Storage Decisions returns to New York later this month, and I’ll be happy to be there. Although the Hilton New York isn’t as grand as the Chicago venue pictured, it’s still a great location and a better event! This time around, I’ll have two sessions: Tuesday, September 23, at 1:45 PM is my Deep Dive Into […]
Virtual Storage
3PAR’s Thin Un-Provisioning is Slightly Less Bad
3PAR just introduced their third-generation storage hardware, bringing a novel feature to the world of thin provisioning: Hardware-assisted “zero-detection” to convert standard storage to thin provisioning. Although only certain special-case users will benefit from this technology, it’s nice to see someone working on one of the pitfalls of the technology – that it’s really hard […]
Xen 3.3 Update Brings Paravirtualized SCSI
One of the new features in Xen 3.3, released this week, caught my eye: Paravirtualized SCSI (PVSCSI), which allows a guest OS to directly interact with a SCSI (or Fibre Channel) HBA. This should allow more specialized applications to be virtualized in Xen environments that use SCSI or FC storage without requiring the addition of […]
QLogic and Emulex Deliver 8 Gb Fibre Channel For VMware ESX
As I mentioned on Monday, VMware’s Update 2 for ESX 3.5 includes support for 8 Gb Fibre Channel HBAs. This is an important development, so I went looking through the official ESX I/O Compatibility Guide to see which HBAs in particular were supported, but none were listed. This was pretty puzzling, but Rich from VM […]
Storage Fixes in VMware ESX Server 3.5 Update 2
VMware just released Update 2 for VMware ESX Server 3.5 (Virtual Infrastructure), and it includes some storage fixes of note: Support for Volume Shadow Copy Service (VSS) for filesystems Windows Server 2003 and Windows Server 2008 guests. This means VMware services like VCB and SRM can now signal Windows Server to quiesce filesystems before creating a […]