[gpfsug-discuss] mmunlinkfileset problems

[Jonathan Buzzard]

On Fri, 2015-03-27 at 13:27 +0000, Luke Raimbach wrote:
> > > Is there any reason why unlinking a fileset would take this long?
> > > Also, I can't find anywhere a list of commands which might require the
> > > FS to quiesce - is this information available somewhere?
> > >
> > 
> > Deleting snapshots, at least in the past. It might be that guidance from IBM
> > has changed but once you have been stung by this you kind of thing you
> > don't like to try it again any time soon.
> 
> Precisely why I'm after a list of commands that might require
> quiescence! I know that snapshot operations (generally) and deleting
> filesets require a consistent view so will pause IO, but unlinking (in
> my mind) wouldn't need this...
> 

mmdeldisk is another. From what I can make out anything that takes away
from the file system is a potential problem. Anything that adds to the
file system is just peachy fine to be run at any time.

JAB.

-- 
Jonathan A. Buzzard                 Email: jonathan (at) buzzard.me.uk
Fife, United Kingdom.