On 9/12/19 3:52 AM, Brian Bunker wrote: > I am not sure if the max_sectors_kb is a kernel or udev bug. What I would expect is for the block limits > INQUIRY VPD page, 0xB0, to be used to populate the /sys/block entries for max_sectors_kb. We have > seen Linux distributions that don’t seem to do that but instead populate that entry with 32 MB even though marginal or main distributions? > we return 4 MB as our limit. We add the 4 MB limit in a udev rule that we have created and provide to our > customers. Adding it in multipath.conf will also get us 4 MB for the dm device and its slaves which is what we > want. I don’t know if there is a preferred way but if we use multipath.conf then hopefully no users will ever > have to deal with the higher value that will error out if a SCSI read or write is actually sent larger than > the 4 MB maximum size. -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
