On Mon, 8 Nov 2010 at 9:36pm, Nicolas Ross wrote > Thanks for the suggestions (others also), but I don't beleivee it'll do. We > need to be able to access the file system directly via FC so we can lock > files across systems. Pretty much like xSan, but not on apple. xSan is > really StorNext from Qlogic, but half the price per node. So, we are > searching for an alternative to xSan, on linux. > > For those who don't know xSan, you can access a fibre-channel volume > directly, and simultanously among many clients computer or servers. Access, > locking and other tasks are handled by a metadata controler who is > reponsible for keeping things together. No controler, no volume, hence a > failover controler is needed. Have you looked at Red Hat's GFS? That seems to fit at least a portion of your needs (I don't use it, so I don't know all that it does). -- Joshua Baker-LePain QB3 Shared Cluster Sysadmin UCSF