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I have set up hardware raid 1 with two SAS drives using the Adptec 6405E controller. I am having a problem when installing Ubuntu 10.04 LTS as it hangs at 43 % when partitioning disk drives. So far my Googling suggests that Ubuntu does not scan raided drives well. What can I do to finish my installation?

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up vote 1 down vote accepted

I suspect you have either a flaky controller or (slightly more likely) a flaky drive. Test both thoroughly.

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