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[FE] Google Goes To The Tape To Get Lost Emails Back. - Page 3

post #21 of 61
Quote:
Originally Posted by Scorpii View Post
Can someone explain the advantages of making offline tape backups to doing the same on hard drives? Like, surely it's basically the same thing if you write the data to hard drive, then physically remove the drive and put it in the same place as you store your tapes, except that hard drives are faster and cheaper?
Tape is not prone to software bugs. It's also lighter than a hard drive and has less moving parts and electronics. Backup your data to a tape, then backup your data again to a hard drive. Now transport them both to your storage facility. Oops! You accidentally dropped your hard drive. Now it doesn't work anymore, oops! You dropped your tape, hey look at that it has no moving parts. It still works!

For the amount of data that Google has they probably have their own backup solution instead of a 3rd party off-site solution. If you take that hard drive and transport it to the same place as your tapes you have to be extra careful with it. A tape you can drop it and it will still work, drop a hard drive and it's good as dead. A 3rd party off-site solution costs money to be constantly kept online with licensing fees and uses electricity. A tape stored in a storage facility uses no electricity and is not prone to software bugs. But tape is a good medium storage for deep archiving and long-term data storage (many many many many years). But if you want faster and better restore time of backed up data then HDD is better. But off-site HDD solutions aren't always the best, remember the T-Mobile Sidekick? Cloud computing, don't put all your eggs in one basket.
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post #22 of 61
Quote:
Originally Posted by Phaedrus2129 View Post
It'd be cool to have a tape drive. I don't know what I'd use it for, but it pretty much screams "leet". "leet" being like "1337" but less retarded.
You'd use it for backing up data. In the old days, it was the only way to go, and we had lots of data on tape. First in 9 track, then various formats of QIC and Exabyte tape. It baled us out of many, many problems, especially in the era before decent CD burners (or no CD burners). In the days of BBSing, some boards actually stored files on tape that you could request, something key in the days when hard drives were very expensive, small, and before CD-ROMs became something.

My wife's workplace still uses streaming tape - and my workplace may use tape as well, but I have never been to the data center where such stuff would go on. I don't get much further than the IT closet or our departmental server. I still have a TBU on th old legacy system here, but it will be going out with the other scrap soon...
post #23 of 61
Tape is used everywhere. My mom and stepdad works for NetApp and they are constantly installing tape libraries for large companies.
 
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post #24 of 61
nice post op
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post #25 of 61
I just installed 3 tape systems ~ Significantly better than clouds.

I love how the new trend is moving everyone to clouds when it takes 1GB/HR to even retrieve your data...Yeah, I'd like to see someone successfully say that to your boss and still have a job tomorrow.

Anywhoo, tape is king and I see it maintaining it's position for some time.
post #26 of 61
Quote:
Originally Posted by Phaedrus2129 View Post
Tape is much more reliable than hard drives, there's no mechanical parts to fail except in the read/write device and that won't affect the data the way an HDD fail will. If a tape is damaged, partial data recovery is much easier than recovery from an HDD. Sequential reads are an order of magnitude faster than any HDD and many SSDs. Tape also consumes zero power except when being written to, and even then it's minuscule compared to that of an equivalent number of hard drives. Plus it's far easier to store mass amounts of tape than mass amounts of hard drives, which is important if you're backing up massive systems or databases.
But, I've read reports saying that tape isn't all that reliable (e.g. Gartner reporting 10-50% of restores from backup fail, depending on how old the backup is). In fact, reading this article it seems tape isn't all that great in a number of ways, and it's not necessarily the best option any more.

Quite interesting read, not sure how accurate it is, but they seem to cite enough studies to make it reasonable.

And also from what I've read elsewhere, tape doesn't seem to be much faster than mechanical hard drives any more, and definitely not 'orders of magnitude'. If my Samsung F3 gets, what, 120MB/s approx sequential read, tapes don't get 1.2GB/s, or 12GB/s sequential read, right? Or were you just saying orders of magnitude as a hyperbole
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post #27 of 61
Sometimes I use Scotch tape on my backup drive...

KIDDING

For real guys, never heard of StorageTEK?

http://www.oracle.com/us/products/se...age/index.html

It's not a bunch of guys with a mountain of tapes... They have robotic libraries. Most hospitals do(patient data backup)



post #28 of 61
Quote:
Originally Posted by Mr. Obvious View Post
Sometimes I use Scotch tape on my backup drive...

KIDDING

For real guys, never heard of StorageTEK?

http://www.oracle.com/us/products/se...age/index.html

It's not a bunch of guys with a mountain of tapes... They have robotic libraries. Most hospitals do(patient data backup)



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post #29 of 61
I doubt any other e-mail service uses backup tapes stored off site. I can't wait for people to begin complaining about the privacy implications of this. Real internet privacy concerns are about spying. Not backing up your e-mail as a favor at their expense.
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post #30 of 61
Well i don't know the particulars,but seems to me the major advantage of tapes vs HDD's or other solutions would be cost.
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