Tape and Disk: Together is Better

Less than 15-percent of data centers have become tapeless, but disk in the backup process is a good compliment tape. As noted on this Information Week blog, what the data center really needs is a way to make tape and disk work better, together.

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"With each generation tape just gets faster. The challenge is, as you probably know all too well, is that if you can’t keep a tape saturated with data, the time it takes to slow the drive down, wait for data and then speed back up can extract a serious performance penalty. Disk is more forgiving. Disks’ challenge, although improved with technologies like deduplication and compression, is it is still more expensive than tape. With LTO-5 tape is now about $50 per TB. The most competitive disk systems, even with full deduplication and compression, are typically around $1 to $2 per GB or $1,000 per TB."

Read the Full Blog Post at Information Week