Question about risk of losing journaling cached data when it isneeded to rebuild a RAID 5 array

John Yee

Guest

Posts: n/a

1st November 2010

Hi,

I have a question, that is hard to find the answer on the internet. In
a RAID 5 configuration, journaling will be used to assist in
rebuilding a new RAID 5 array disk when there is a failure.

What will happen if there is loss of the journal cache information?
What is the impact?
Does this increase risk?

What can be done to help prevent this or the risk mitigation?

Thanks,

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