2012/8/17 Vincent Diepeveen <d...@xs4all.nl>: > The homepage looks very commercial and they have a free trial on it. > You refer to the free trial?
http://nexentastor.org/ - Sorry wrong link. Its a commercially backed open source project. > Means buy raid controller. That's extra cost. That depends upon what > it costs. You just need to attach the disks to some SATA port. ZFS does all the raid stuff internally in software. > But it does mean that every node and every diskread and write you do, > that they all hammer at the same time at that single basket. ZFS seems to handle this kind of stuff elegantly. As with hardware raid each disk can be accessed individually. NFSoRDMA would ensure speedy access times. > > I don't see how you can get out of 1 cheap box good performance like > that. Try it and see. It would certainly be much less of a headache than some kind of distributed filesystem which, in my opinion is complete overkill for a 4 node cluster. All of the admins that I know that look after these systems have the haunted look of a village elder that must choose which of the villages daughters must be fed to the lustre monster every 6 months. Dont forget to put in as much memory as you can afford and ideally an SSD For read cache (assuming that you access the same blocks over and over in some fashion) _______________________________________________ Beowulf mailing list, Beowulf@beowulf.org sponsored by Penguin Computing To change your subscription (digest mode or unsubscribe) visit http://www.beowulf.org/mailman/listinfo/beowulf
