Overland Storage, known mostly for their tape products, is expanding into the SAN business. This seems like a logical step; they were already offering disk-based Virtual Tape Libraries, and disk-based systems are replacing tape libraries at a fast pace.
Their first SAN product is the S2000. It’s being released under the SnapServer brand they acquired from Adaptec in 2008; all other SnapServer products so far have been NAS units. The S2000 is a 2U system with room for 12 SAS or SATA disks; Overland offers a choice ranging from 300 GB 15.000 rpm SAS drives to 2 TB 7.200 rpm SATA drives.
Capacity expansion is available in the form of the E2000 expander; these hold 12 drives each, and the S2000 can control up to four or these. All external connections are handled by the S2000, which provides two Gigabit Ethernet ports and can be expanded with an additional dual- or quad-port gigabit adapter. All in all it sounds like a pretty basic iSCSI product. The most notable feature is an auto-expansion feature for volumes:
Automated capacity expansion – The SnapServer SAN S2000 easily manages storage growth with an autoprovisioning feature that tracks disk usage and automatically extends volumes that reach pre-defined thresholds, without requiring IT intervention.
It’s not quite clear to me how this is different from using thin provisioning; the data sheets provided so far are not too detailed.
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