undefined | Better HN

0 pointsteraflop2y ago0 comments

Presumably Google also keeps backups, though, right?

0 comments

And mirrors to at least one extra datacenter as they can lose bandwidth with a fiber getting cut, become unreachable due to networking snafu, or even burn down entirely.

dilyevsky2y ago

Yes they also store to tape

AuthorizedCust2y ago

That means 2X at a minimum. Then RAID overhead. Possibly other hot or warm copies ready to take over instantly.

dilyevsky2y ago

And tape costs same as ssd/spindles in your calculations?

j / k navigate · click thread line to collapse

0 comments

dietr1ch2y ago

And mirrors to at least one extra datacenter as they can lose bandwidth with a fiber getting cut, become unreachable due to networking snafu, or even burn down entirely.

dilyevsky2y ago

Yes they also store to tape

AuthorizedCust2y ago

That means 2X at a minimum. Then RAID overhead. Possibly other hot or warm copies ready to take over instantly.

dilyevsky2y ago

And tape costs same as ssd/spindles in your calculations?

j / k navigate · click thread line to collapse