Brian, > There are some scenarios that can occur, such as performing an upgrade > of the virtual I/O server, where the supported max transfer of the > backing device for an ibmvfc HBA can change. If the max transfer of > the backing device decreases, this can cause issues with previously > discovered LUNs. This patch accomplishes two things. First, it changes > the default ibmvfc max transfer value to 1MB. This is generally > supported by all backing devices, which should mitigate this issue out > of the box. Secondly, it adds a module parameter, enabling a user to > increase the max transfer value to values that are larger than 1MB, as > long as they have configured these larger values on the virtual I/O > server as well. Applied to 6.12/scsi-staging, thanks! -- Martin K. Petersen Oracle Linux Engineering
