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VMware storage issues may be solved by your array
This article is part of the IT in Europe issue of June 2011
Anybody who has struggled with configuring storage for VMware virtual servers will be happy to hear help is on the way -- the solution to your problems may be hidden in your array. By Jeff Byrne From the moment server virtualization burst onto the scene nearly a decade ago, it has created significant challenges for data storage managers. And based on recent Taneja Group research, many of those challenges are far from being overcome. In our most recent end-user survey on virtual server storage, we found more than half of storage administrators are experiencing one or more of the following storage-related issues in their virtual server environments: Scalability: Server consolidation leads to contention for storage and I/O resources, limiting the number of virtual machines (VMs) that can be run productively on a given system. Performance: The multiplicative effect of repetitive, small-block I/O operations -- driven by a hypervisor and performed across multiple VMs -- can have a crippling effect on storage performance. Agility: In a...
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Features in this issue
Server virtualisation allows for quicker disaster recovery. See how two UK IT organisations are using server virtualisation to save on DR planning.
Snapshot-based backup, also known as near-continuous data protection, is one of the most efficient ways to provide operational recovery, and you can forget about backup windows.
Common wisdom says you need block storage for virtual servers; but with most hypervisors supporting the NFS protocol, NAS may work just as well.
Anyone who has struggled with configuring storage for VMware virtual servers will be happy to hear help is at hand; just look inside your storage array.
Overwhelmed by all the buzz around server virtualization? There are still solid alternatives -- with real benefits -- to virtualizing storage systems.
Hybrid cloud storage products provide the best of both worlds -- local storage that's tightly integrated with off-site cloud storage services.