- VSA is a new product offering in vSphere 5.0
- vSphere Storage Appliance is software that delivers shared storage capabilities without the cost and complexity of shared storage hardware
- It installs with just a few mouse clicks and is centrally managed in VMware vCenter Server.
- Use vSphere’s business continuity features, all without shared storage hardware.
Key Features of vSphere Storage Appliance
- Affordable Shared Storage – Turns internal server storage into fully virtualized, clustered, shared and highly available datastores at a dramatically lower cost than networked, external shared storage
- Supports up to three nodes
- Simple installation – Fully automated installation and configuration of vCenter Server, vSphere and VMware VSA
- Ensures correct configuration for high availability
- Simple Administration – Tight vCenter Server integration provides simplified administration via VSA plug-in
- Storage Resilience and Availability – Mirrors datastores with RAID1 across nodes/RAID 10, within each node. 99.9% availability with HA.
- Flexibility to migrate to hardware SAN – using storage vMotion.
- Run vCenter Server separately from your VSA cluster for best protection
- It is a virtual NFS filer only, and not a block-level storage appliance as VMware implied.
- NFS shares cannot be created on the VSA for the apps on the VM to access.
- Storage only presented to the hypervisor and not the VM.
- Does not support CIFS, ISCSI, FCOE.
- Does not support VAAI 1.0 ( vStorage API for Array Integration)
VSA provides an alternative shared storage solution for small-to-medium business (SMB) customers who might not be in a position to purchase a SAN or NAS array for their virtual infrastructure.
- Aimed at SMB market
- Simple to setup
- Resilient, has High Availability features
- Uses NFS protocol
- VSA pooled storage only presented to Hypervisor