To back up the SAN data, Cummins had previously been using a pair of Storage Technology Corp. (StorageTek) (NYSE: STK) TimberWolf 9710 tape libraries, each with ten DLT 7000 tape drives. Those were connected via SCSI to a single Veritas Software Corp. (Nasdaq: VRTS) NetBackup master server.
In a nutshell, Cummins was maxing out its StorageTek libraries. "They had done us very well, but our existing backup solution was at capacity."
In January 2002, the IT group evaluated the tape technologies on the market. Its first decision was to drop DLT, the tape format developed by Quantum Corp. (NYSE: DSS), and adopt the LTO format, which is backed by IBM Corp. (NYSE: IBM), Hewlett-Packard Co. (NYSE: HPQ), and Seagate Technology Inc.
"We decided that for our environment, LTO made the best sense moving forward," Bitts says. "[The advantage] is a combination of LTO's capacity and performance, and the roadmap for the future. The first-generation LTO tape drives are 15 Mbyte/s and 100 Gig per tape."
Once it had settled on LTO, Cummins narrowed down its selection of tape libraries and ultimately picked the Advanced Digital Information Corp. (Nasdaq: ADIC) Scalar 10K, configured with 35 IBM LTO drives, which is connected to the 2-Gbit/s Brocade switch fabric.
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