On Mon, 2006-08-14 at 09:13 +0400, Evgeniy Polyakov wrote: > On Sun, Aug 13, 2006 at 01:16:15PM -0700, Daniel Phillips ([EMAIL PROTECTED]) > wrote: > > Indeed. The rest of the corner cases like netfilter, layered protocol and > > so on need to be handled, however they do not need to be handled right now > > in order to make remote storage on a lan work properly. The sane thing for > > the immediate future is to flag each socket as safe for remote block IO or > > not, then gradually widen the scope of what is safe. We need to set up an > > opt in strategy for network block IO that views such network subsystems as > > ipfilter as not safe by default, until somebody puts in the work to make > > them safe. > > Just for clarification - it will be completely impossible to login using > openssh or some other priveledge separation protocol to the machine due > to the nature of unix sockets. So you will be unable to manage your > storage system just because it is in OOM - it is not what is expected > from reliable system. > > > But really, if you expect to run reliable block IO to Zanzibar over an ssh > > tunnel through a firewall, then you might also consider taking up bungie > > jumping with the cord tied to your neck. > > Just pure openssh for control connection (admin should be able to > login).
These periods of degenerated functionality should be short and infrequent albeit critical for machine recovery. Would you rather have a slower ssh login (the machine will recover) or drive/fly to Zanzibar to physically reboot the machine? - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
