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[FE] Google Goes To The Tape To Get Lost Emails Back. - Page 2

post #11 of 61
what a redundancy win. way to go google.
post #12 of 61
In Google we google
post #13 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.
lmao, tapes are far from elite
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post #14 of 61
Quote:
Originally Posted by Stealth Pyros View Post
Nice save on their part. I can't imagine how difficult it must be to find the right tapes. I can picture their warehouse being extremely neat and organized though.
Not that difficult. It just takes a very long time to restore data back from tape because it is sequential and slow. Only reason they use it because it gives them control over their own data backup solution and they don't have to rely on an offsite backup solution. It's also cheaper for tape for very large data volumes and deep archiving.

At least now we know their DRP consists of:

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post #15 of 61
Down to tape?!

Kind of scares me, that's the absolute last line of defense, safe to say some engineers are getting chewed out.
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post #16 of 61
My guess is they do backups maybe once monthly or something.
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post #17 of 61
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?
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post #18 of 61
Quote:
Originally Posted by Stealth Pyros View Post
My guess is they do backups maybe once monthly or something.
No way, there backup solution has to be far and above that. Maybe they do a final backup to tapes monthly or weekly, but there must be at least daily or hourly backups to other media. Google is information, and information is money.
post #19 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?
The only advantage I can think of in tape's favor is that they are much lighter and smaller. Other than that, I guess Google has their own reasons.

Quote:
Originally Posted by Faster_is_better View Post
No way, there backup solution has to be far and above that. Maybe they do a final backup to tapes monthly or weekly, but there must be at least daily or hourly backups to other media. Google is information, and information is money.
Well ok I wasn't specific enough; I meant the backups to actual tape drives are probably not done often. I'm sure they backup to other means in real-time via huge SCSI RAID setups.
Edited by Stealth Pyros - 3/1/11 at 10:12am
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post #20 of 61
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.
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