From: Nathaniel Rutman <[EMAIL PROTECTED]>
    Date: Fri, 17 Nov 2006 11:39:59 -0800
    
    Deactivate the device on the MDT side for a currently-running server
    e.g. 13 UP osc lustre-OST0001-osc lustre-mdtlov_UUID 5
    lctl --device 13 deactivate

Ok, did that.  It still shows as UP when I lctl dl, though.
    
    To start a client or MDT with a known down OST:
    mount -t lustre -o exclude=lustre-OST0001 ...
    
Ah, ok.  So there isn't any way to say "Remove all traces of this OST from the
system so that nobody knows it was ever there" ?

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