[Beowulf] diskless cluster questions
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Ashley Pittman ashley at pittman.co.ukWed Jul 7 07:47:23 PDT 2010
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On 5 Jul 2010, at 06:36, Holden Dapenor wrote: > How does diskless clustering work for those aspects of the OS that need to be unique for each node? Differently for each distribution. > For instance, network configuration and hostfiles need to be specified somewhere hostfiles are the same, network configuration including hostname can be done by dhcp. > but if all nodes boot the same root, then where is this information stored? This is not mandated by diskless configuration, you may choose to share / ro between clients and have a rw copy of /var for each client or you may choose to have an entire fs tree for each client. Another option might be to use fuse although I don't have much experience of that myself, it's basically the same but each client would have a copy-on-write version of /var and /etc to allow them to write to files in these directories. Ashley. -- Ashley Pittman, Bath, UK. Padb - A parallel job inspection tool for cluster computing http://padb.pittman.org.uk
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