On Sat, Feb 02, 2008 at 12:29:07PM -0800, Kilian CAVALOTTI wrote: > On Saturday 02 February 2008 00:42:47 Isaac Huang wrote: > > > Here is patch for this problem (using FMR in o2iblnd) > > > https://bugzilla.lustre.org/attachment.cgi?id=15144 > > > > This is an experimental patch - nodes with the patch applied are not > > interoperable with those without it. Please don't propagate the patch > > to production systems. > > Thanks for the explanation. Since the problem indeed occurs on a production > system, I'd rather keep experimental patches out of the way. > > I assume that adding more RAM on the OSSes is likely to solve this problem, > right? If that's the case, I'd probably go this way, before the FMR patch > is landed.
It depends on the architectures of the OSSes - o2iblnd, and I believe OFED too, can't use memory in ZONE_HIGHMEM. For example, on x86_64 where ZONE_HIGHMEM is empty, adding more RAM will certainly help. Isaac _______________________________________________ Lustre-discuss mailing list [email protected] http://lists.lustre.org/mailman/listinfo/lustre-discuss
