As the comment sais, this allows Solaris initiators to survive intermittent errors. The comment from someone reading the Solaris sources seem to imply that multipathing would be broken without this patch as well. Signed-off-by: Joern Engel <joern@xxxxxxxxx> Cc: Brian Bunker <brian@xxxxxxxxxxxxxxx> --- drivers/target/target_core_transport.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c index bd587b7..04ec9cb 100644 --- a/drivers/target/target_core_transport.c +++ b/drivers/target/target_core_transport.c @@ -2750,8 +2750,13 @@ transport_send_check_condition_and_sense(struct se_cmd *cmd, /* CURRENT ERROR */ buffer[0] = 0x70; buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10; - /* ILLEGAL REQUEST */ - buffer[SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST; + /* + * Returning ILLEGAL REQUEST would cause immediate IO errors on + * Solaris initiators. Returning NOT READY instead means the + * operations will be retried a finite number of times and we + * can survive intermittent errors. + */ + buffer[SPC_SENSE_KEY_OFFSET] = NOT_READY; /* LOGICAL UNIT COMMUNICATION FAILURE */ buffer[SPC_ASC_KEY_OFFSET] = 0x08; break; -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe target-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
