Re: Device utilization with RAID-1

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On 19/08/2011 19:32, maurice wrote:
On 8/18/2011 6:31 PM, NeilBrown wrote:
..
In mdstat you have 'active' or 'inactive'. You cannot access an array
at all
until it is active. If you are assembling an array bit by bit with "mdadm
-I", it will be inactive until all the devices appear. Then it will be
active.

In mdadm "State :" you have 'active' or 'clean'. as described above.
It used
to be 'dirty' or 'clean' but people were confused by having 'dirty'
arrays in
normal operation. So I changed it to 'active' and now it confuses a
different set of people. You just can't win can you :-)

NeilBrown

mdstat:
"Enabled" or "Disabled" perhaps?

That matches what most commercial hardware RAID interfaces use.

Does it? It sounds more like an administrative action than a current status. I would have thought "online" or "offline" - unless that means something else somewhere else.

And for mdadm state: how about "busy" and "idle"? Hmm maybe just "busy" instead of "active" or "dirty"; we don't want to start an array with --assume-idle...

Cheers,

John.

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