[rds-devel] Has anyone tried RDS on IA64 Linux?
Or Gerlitz
ogerlitz at voltaire.com
Wed Apr 30 06:58:13 PDT 2008
Olaf Kirch wrote:
> What if the remote node is buggy and issues a RDMA WRITE to this
> R_Key? The key will still be valid, there will be DMA addresses
> in the HCA's MTT, but the IOMMU slots corresponding to these
> addresses have long been assigned someone else, say the disk
> I/O subsystem. Farewell file system... :-)
>
I see. So you went on the safe side, holding both the dma mapping and
the pages in place and owned by the rds fmr pool till the R_Key
associated with the I/O is invalidated, correct?
Or.
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