joshuaboniface/raidisnotabackup
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Replaced * for italics with _

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Joshua Boniface
2016-09-29 13:33:00 -04:00
parent 05642c5032
commit e988da1896
3 changed files with 9 additions and 9 deletions
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content/2.md
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@ -5,11 +5,11 @@ weight = 2
type = "post"
+++
Having a number of disks in RAID may *seem* like a backup, especially if you're using a mirror mode. But this is *wrong*!
Having a number of disks in RAID may _seem_ like a backup, especially if you're using a mirror mode. But this is _wrong_!
RAID protects you against one and only one thing: a disk failure.
It does *not* protect you against any of the following things:
It does _not_ protect you against any of the following things:
* Multiple disk failures beyond the RAID level chosen (e.g. both disks in a mirror, or 3 disks in a RAID-6).
* Failure of the RAID controller itself (especially when using hardware RAID), the computer running the RAID, or the environment (a flood, fire, theft, etc.).
@ -18,6 +18,6 @@ It does *not* protect you against any of the following things:
Even ZFS, designed specifically to prevent the third point, is still susceptable to the others.
The adage is simple: "RAID replicates *everything*, instantly, even the stuff you don't want." Like the deletion of a file or corruption.
The adage is simple: "RAID replicates _everything_, instantly, even the stuff you don't want." Like the deletion of a file or corruption.
For these reasons and more, RAID IS NOT A BACKUP!