Re: EXT2 and BadBlock updating.....

From: Ed Carp (erc@pobox.com)
Date: Tue Apr 11 2000 - 17:47:20 EST


Theodore Y. Ts'o (tytso@MIT.EDU) writes:

> It's one thing if the bad block is in a file data block; there, you can
> relocate the data to another block, assuming you can still read the
> block by the time you find you have a disk error. It's quite another if
> the disk failure happens in a critical piece of the filesystem metadata.
>
> The real right solution to this problem, if you have this kind of
> reliability, is to either use disks that do badblock sparing at a
> low-level, or (better yet) to use RAID. If you have this kind of
> reliability consideration that's what you should really be doing.
> Or, if you using Linux in a somewhat embedded system (such as a network
> communications controller), then perhaps you should be booting off of
> flash ROM, and then keeping temporary files on a RAM disk.

I'm not suggesting that the kernel do everything for me, but it'd be nice. ;)

I suppose that monitoring /var/log/messages will have to be enough ;)

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