Hi Greg,
2014/1/17 Gregory Farnum <g...@inktank.com> > On Friday, January 17, 2014, Iban Cabrillo <cabri...@ifca.unican.es> > wrote: > >> Dear, >> we are studying the possibility to migrate our FS in the next year to >> cephfs. I know that it is not prepare for production environments yet, but >> we are planning to play with it in the next months deploying a basic >> testbed. >> Reading the documentation, I see 3 mons, 1 mds and several ods's (both >> in physical machines..I have understood). Is this true? >> On the other hand I do not understand the fail-over mechanism for >> clients when have mounted a FS, looking at documentation : >> >> *ceph-fuse* [ -m *monaddr*:*port* ] *mountpoint* [ *fuse options* ] >> You have to specify (hardcode) the "*monaddr*:*port", if this mon (ip) >> is down, what happen, Do you lost the fs on that node?, or there is a >> generic dns-rrd implementation for mons??* >> > > You can actually specify a list of mons, and once connected to any mon the > client fetches the full list and will reconnect to them if the one it is > currently talking to goes down. > > OK, thanks for the info. > > >> >> * Is there any implementation for "tiering" or "HSM" at software level, >> I mean, can I mix different type of disk (ssds and SATA) on diferent pools, >> and migrate data between them automatically (most used, size, last time >> access) * >> > > Sadly no. We're starting to play in this space in our upcoming Firefly > release with "cache pools", but it's not quite done yet. > -Greg > > Is good to heard that this features are in developer's mind. I will try a minimal installation understanding how ceph works. > > >> >> >> >> *Please could anyone clarify to me this point?* >> >> *Regards, I* >> >> -- >> #################################### >> Iban Cabrillo Bartolome >> Instituto de Fisica de Cantabria (IFCA) >> Santander, Spain >> Tel: +34942200969 >> #################################### >> Bertrand Russell: >> *"El problema con el mundo es que los estúpidos están seguros de todo y >> los inteligentes están llenos de dudas*" >> > > > -- > Software Engineer #42 @ http://inktank.com | http://ceph.com > Cheers, I Bertrand Russell: *"El problema con el mundo es que los estúpidos están seguros de todo y los inteligentes están llenos de dudas*"
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