First, he says, NetApp includes a native Snapshot feature, which takes an image of the system's data at four-hour intervals, allowing an IT administrator to recover data in the event the original becomes corrupted. To get a similar capability on the Dell/EMC Clariion, Moses says, would have required an external option for an additional cost.
In addition, Barry University was reluctant to introduce Fibre Channel into its network. "We already had a Gigabit Ethernet switch," Moses says. It set up dedicated Gigabit Ethernet links between its two Exchange servers and the F820.
NetApp also shrank the school's backup window -- dramatically. Previously, it took Barry University four days to run a complete backup. With the NetApp filer connected to the Spectra Logic autoloader, it takes 10 hours. "It makes me sleep better at night," Moses says. Using Network Data Management Protocol (NDMP), NetApp's filer is able to back up multiple drives. The university uses Veritas Software Corp. (Nasdaq: VRTS) NetBackup to back up its Exchange servers to a Spectra Logic Corp. Gator tape library with three AIT-3 drives.
The university finished moving over all of its student and faculty Exchange accounts to the NetApp filer as of January 2002. However, there were a few things Moses would have done differently.
First, in March of this year, he accidentally brought down the Exchange servers for about six hours when he was testing out clustering features of Microsoft Windows 2000. [Ed note: oops!] "We had two servers connected to the same VLD [virtual local disk], but that version of SnapManager didn't support clustering," he says. The next version of NetApp's SnapManager, which came out two months later, does support Microsoft's clustering.
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