Hi Björn, atime is definitely not used by Galaxy, and we have generally disabled it on all filesystems we mount.
--nate On Tue, Dec 3, 2013 at 8:10 AM, Dannon Baker <dannon.ba...@gmail.com> wrote: > On Tue, Dec 3, 2013 at 5:49 AM, Bjoern Gruening <bjoern.gruen...@gmail.com > > wrote: > >> The new discs will be type="distributed" id="primary" and the old disc >> will become type="disk" id="secondary". If I understood correctly the >> old disc is them in some read-only state and will not touched until the >> primary discs are full or not working ... >> > > Correct -- the default HierarchicalObjectStore always writes new files to > the first ObjectStore but can read through to any of them. Probably worth > noting that, with this base implementation (that could easily be extended > to do whatever you'd prefer), when the first objectstore gets full it still > won't attempt to write to the second. > > >> Is it save to mount the old discs or all discs with noatime, to get a >> small performance gain? Is Galaxy using noatime? >> > > I do believe we're using it, but Nate would be better able to comment on > the actual performance gain we see. > > > ___________________________________________________________ > Please keep all replies on the list by using "reply all" > in your mail client. To manage your subscriptions to this > and other Galaxy lists, please use the interface at: > http://lists.bx.psu.edu/ > > To search Galaxy mailing lists use the unified search at: > http://galaxyproject.org/search/mailinglists/ >
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