Re: Are linux-fs's drive-fault-tolerant by concept?

[Chuck Ebbert]

>> You will if it writes and fails to read back. The disk can't invent a
>> sector that is gone. 
>
> but linux can if you use an raid1 mirror... maybe we should teach the md
> layer to write back the data from the other disk on a "bad sector"
> error.

  NTFS does this in the filesystem by moving the affected cluster
somewhere else, then marking it bad in its allocation map.  Of course
in order to do that it has to get notifications from the ft disk
driver...

------
 Chuck