One of the main challenges for D2D backup to replace tapes was offsite storage. But with the latest removable drive technology, even disks can be physically removed and taken offsite.
A few Removable disk solutions in today’s market:
Prostor Systems’ new “RDX removable disk technology” for backup, disaster recovery and archive.
The RDX Archival Disk Cartridge is a 2.5-inch removable Serial ATA (SATA) hard drive that acts like a tape cartridge, but performs with the speed and reliability of disk. The RDX drive has a native transfer rate of up to 45MB/s and support drive capacity from 40 GB to 300GB which is the maximum capacity 2.5 inch drive introduced by Fujitsu recently. The drives have built-in AES encryption and add a second level of data correction that is capable of correcting multiple, full sectors of a disk.
Quantum’s removable disk-based backup product “GoVault” is designed for small and midsize businesses. It includes a tabletop or server-embedded intelligent dock, two removable cartridges for on-site and off-site data protection and data de-duplication backup software in one package. Go Vault also includes password protection and encryption to protect data from misuse.
The only limitation here is the cartridge which is proprietary unlike Prostor’s RDX in which 2.5 inch cartridges from different vendors are compatible.
The cartridges used by these 2 companies are smaller in size making them truly portable but on the other hand, the limitations are the cartridge capacity, which is limited to 300GB max when compared to 1TB in 3.5 inch drives, cost and also overall read access time which is 25% better in 3.5 inch drives than 2.5.
Idealstor LLC’s goal is removable disk backup technology. Their hardware product line includes only removable disk solutions:
1. SATA based ejectable backup systems upto 8 removable bays (i.e backup capacity upto 8TB)
2. FrankeNAS which combines 2.5TB RAID5 SATA storage for onsite and upto 4TB removable storage for offsite
3. Teralyte designed for SMBs, which can attach directly to any Windows backup server, comes bundled with iBac Data Protection software, removable disk caddies and the controller.
Idealstor backup products use non-proprietary 3.5inch hard drives allowing end-users to use any capacity or manufacturer SATA disk as removable disk backup media.
All the above 3 products are compatible with leading backup and recovery softwares like CA ARCserve, EMC Retrospect, Symantec Backup Exec etc.
Removable disk technology...Fast, portable, reliable, capacious, what more could you ask??
Thursday, August 9, 2007
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