I was browsing through mdadm man pages to check out --layout options
when converting 3disk-raid5 to 4disk-raid6 and encountered
--freeze-reshape switch/arg. I did a quick google and could not get much
info. Can a user issue this to suspend reshape for a short while?
Specifically
1. Is the use (or frequent use) of this switch safe? recommended?
2. Can the array be mounted when this switch is used?
3. What is correct syntax for the usage?
4. Can I use this to manage the reshape load on an array? May be to let
the disk cool off after a busy hours of seeking to reshape?
5. Can I use it as a safe method for shutting down the machine?
6. Is there a tutorial/faq/manual that explains in detail the use of
other mdadm esoteric switches? (like --layout I was searching)
Regards
Ramesh
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