How to archive on disk drives
section: common, for your questions: KezNews forum, 10.9.2008
Tip: Click here to update all your PC's outdated driversArchiving on hard drives? Now that disk drives are cheaper per gigabyte than tape cartridges, you might be tempted to archive data on disk drives and stick them on a shelf.
The reason: the bits on the hard drive will gradually lose their magnetism, sometimes in as little as 12 months. Disks automatically rewrite marginal data blocks on the fly.
That doesn’t happen when the disk is powered off.
The big guys do it
Enterprise storage arrays do disk grooming in the background. They also look for bad blocks and other problems that are less painful to fix when the system is running normally.
Some arrays spin down or even power off disks to save power and cooling while extending drive life. These systems include logic to power up drives and check the data on a regular basis.
So leave that drive plugged in!
If you want a couple of extra drives for archiving just buy some USB drives. They are cheap and work with any system. At idle they use about the same power as a nightlight.
The Storage Bits take
Disk drives are used for archiving all the time. But they aren’t just powered off and put on a shelf.
If you need that, buy a tape drive. Properly stored tapes will last for decades.source:
blogs.zdnet.com
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Comments(1)
bio on the guy that wrote the article quoted:
"robin harris has been selling and
marketing data storage for over 20 years in companies large and small. he has introduced a
couple of multi-billion dollar storage products (dlt, the first fibre channel array) to
market, as well as a couple of dozen smaller ones. he also spent 10 years marketing
servers and networks. he was part of the team that developed the storageworks brand and
drove the marketing for his first billion dollar storage product, dlt tape drives. moving
to sun, he managed the industry's first fibre channel array. later, joining distributed
array controller startup yottayotta, he built the company's marketing team. since leaving
yy, he's developed storagemojo.com into one of the top storage blogs and also is an
analyst with the data mobility group."
a marketing tool used by many in the
past.......fear
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Conflict of Interest ?
By Skeptical 1 on 11.09.2008 - 14:09