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Further tweaked wording

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Joshua Boniface 2016-09-28 19:09:54 -04:00
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@ -10,9 +10,9 @@ Having a number of disks in RAID may **seem** like a backup, especially if you'r
RAID protects you against one and only one thing: a disk failure. It does **not** protect you against any of the following things: RAID protects you against one and only one thing: a disk failure. 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). * 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 itself, or the environment (a flood, or fire, perhaps). * Failure of the RAID controller itself (especially when using hardware RAID), the computer running the RAID, or the environment (a flood, fire, theft, etc.).
* Data corruption on-disk from filesystem bugs, cosmic rays, or minor hardware or firmware failures. * Data corruption on-disk from filesystem bugs, cosmic rays, or minor hardware or firmware failures.
* Malicious or accidental deletion or modification of files by yourself or another party, including viruses, bad application writes, or administrative mistakes (e.g. `rm`ing the wrong file or `mkfs` on an existing filesystem). * Malicious or accidental deletion or modification of files by yourself or another party, including viruses, bad application writes, or administrative mistakes (e.g. `rm`-ing the wrong file or `mkfs` on an existing filesystem).
Even ZFS, designed specifically to prevent the third point, is still susceptable to the others. Even ZFS, designed specifically to prevent the third point, is still susceptable to the others.