On 4/27/2020 4:54 PM, Christoph Hellwig wrote:
On Mon, Apr 27, 2020 at 04:52:52PM +0300, Max Gurtovoy wrote:
but the default format on NVMe pci drives is without metadata and to enable
it we do an NVM format command.
The defaut namespace format is entirely vendor specific for both
PCIe and Fabrics. For OEMs that rely on PI the drives will usually
shipped with a PI-enabled format.
Ok I'll set the controller to be capable in case the HCA is capable and
then act according to exposed namespace from the target.
It will cost us integrity_mrs (that are expensive) for ConnectX-4 and
above but I guess we can live with that for now.