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Re: Seek help from PERC4 experts, about replacing controller...

Thanks a lot. While the raid volume seems to be recognized by the PCI-X card, and its status is shown to be optimal, when booting to the rescue mode of linux, the partition could not be mounted, saying something ext3 group descriptor corrupted. If my procedure is correct, then may be the file system is corrupted due to the raid card related (e.g. memory / battery) errors. Will try to rescue the disk by other methods.

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