StorageTek has released two new products which it claims increase disk and tape throughput performance at similar prices to the models they replace.
Its D220 disk subsystem, replacing the D173 at a similar price and storage capacity, has four 2GB ports instead of two at 1GB, and redesigned controllers. This provides a three to four times performance improvement for input-output.
The D240, with a maximum capacity of 16TB, will supersede the D178 when it is released in October. The 6.1TB capacity D220 will be field upgradable to the D240.
StorageTek's Virtual Storage Manager (VSM) version 4 virtual tape appliance has a quadrupled buffer capacity to 14TB and new disk buffering technology. According to the company, this will double its data transfer speed to 240MB per second.
Laurence James, StorageTek's UK disk marketing manager, said the key value of the new disk subsystems lay in their management software, which also runs on the 32TB D280.
"The software is highly intuitive and is able to share between different hosts with different operating systems with firewalls between them, so it is ideal for consolidation and server farms," he said.
The disk subsystems can centrally manage up to 64 disk partitions. The D220 supports Microsoft Windows, Sun Solaris (Unix), Red Hat Linux and Novell NetWare now, with further expansion in October.
James said a disk hardware-software bundle includingStorageTek's SANshare and Santricity management software would be announced in the coming week.
Martin Warren, UK marketing manager for auto tape solutions at StorageTek, said major differentiators for VSM 4 were robustness, flexibility and the ability to control petabytes of tape storage from a remote host.
Other improvements include a simplified web-based graphical user interface and better virtual drive-prioritising capabilities.
VSM 4, which typically costs around £300,000 like its predecessor, will be sold entirely through StorageTek's direct sales force. The D220 and D240 will be sold through the channel.
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