Re: [RAID] forcing a read on a known bad block

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On Tue, 11 Apr 2006, dean gaudet wrote:
anyhow this made me wonder if there's some other existing trick to force
such reads/reconstructions to occur... or perhaps this might be a useful
future feature.

For testing RAID, what would be really nice is if there were a virtual
disk device where one could simulate bad sectors (read or write),
non-responsive disks, etc.  It would be virtual in the same sort way
that /dev/full simulates a full disk.

This would be an ideal project for Xen.
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