Re: Redundancy check using "echo check > sync_action": error reporting?

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On Sun, May 04, 2008 at 09:30:02AM +0200, Peter Rabbitson wrote:
I want to resurect this discussion with a peculiar observation - the above mismatch was caused by GRUB.
...
I realized that my grub config contains a savedefault clause, which updates the file on the raw ext3 volume before any raid assembly has taken place. Executing grub-set-default from within a booted system (with a mounted assembled raid) resulted in the subsequent md check to return 0 mismatches.
this has been a long standing issue with grub 1.x
hopefully some day grub 2 will be production ready and the issue will be
forgoten (real md raid support for grub 2 was added in google SOC 2006).

L.

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