diff --git a/drivers/scsi/aacraid/aachba.c b/drivers/scsi/aacraid/aachba.c
index 8d7b770..d7235f4 100644
--- a/drivers/scsi/aacraid/aachba.c
+++ b/drivers/scsi/aacraid/aachba.c
@@ -1339,6 +1339,8 @@
 	}
 
 	dev->cache_protected = 0;
+	dev->jbod = ((dev->supplement_adapter_info.FeatureBits &
+		AAC_FEATURE_JBOD) != 0);
 	dev->nondasd_support = 0;
 	dev->raid_scsi_mode = 0;
 	if(dev->adapter_info.options & AAC_OPT_NONDASD)
@@ -1923,7 +1925,8 @@
 				}
 			}
 		} else {  /* check for physical non-dasd devices */
-			if ((dev->nondasd_support == 1) || expose_physicals) {
+			if (dev->nondasd_support || expose_physicals ||
+					dev->jbod) {
 				if (dev->in_reset)
 					return -1;
 				return aac_send_srb_fib(scsicmd);
diff --git a/drivers/scsi/aacraid/aacraid.h b/drivers/scsi/aacraid/aacraid.h
index 8a5b9c8..3195d29 100644
--- a/drivers/scsi/aacraid/aacraid.h
+++ b/drivers/scsi/aacraid/aacraid.h
@@ -12,7 +12,7 @@
  *----------------------------------------------------------------------------*/
 
 #ifndef AAC_DRIVER_BUILD
-# define AAC_DRIVER_BUILD 2454
+# define AAC_DRIVER_BUILD 2455
 # define AAC_DRIVER_BRANCH "-ms"
 #endif
 #define MAXIMUM_NUM_CONTAINERS	32
@@ -866,6 +866,7 @@
 	__le32	ReservedGrowth[1];
 };
 #define AAC_FEATURE_FALCON	cpu_to_le32(0x00000010)
+#define AAC_FEATURE_JBOD	cpu_to_le32(0x08000000)
 #define AAC_OPTION_MU_RESET	cpu_to_le32(0x00000001)
 #define AAC_OPTION_IGNORE_RESET	cpu_to_le32(0x00000002)
 #define AAC_SIS_VERSION_V3	3
@@ -1012,6 +1013,7 @@
 	 * lets break them out so we don't have to do an AND to check them
 	 */
 	u8			nondasd_support;
+	u8			jbod;
 	u8			cache_protected;
 	u8			dac_support;
 	u8			raid_scsi_mode;
@@ -1777,6 +1779,8 @@
 #define			AifEnExpEvent		23	/* Firmware Event Log */
 #define			AifExeFirmwarePanic	3	/* Firmware Event Panic */
 #define			AifHighPriority		3	/* Highest Priority Event */
+#define			AifEnAddJBOD		30	/* JBOD created */
+#define			AifEnDeleteJBOD		31	/* JBOD deleted */
 
 #define		AifCmdJobProgress	2	/* Progress report */
 #define			AifJobCtrZero	101	/* Array Zero progress */
diff --git a/drivers/scsi/aacraid/commsup.c b/drivers/scsi/aacraid/commsup.c
index 1dd2e57..81b3692 100644
--- a/drivers/scsi/aacraid/commsup.c
+++ b/drivers/scsi/aacraid/commsup.c
@@ -901,7 +901,31 @@
 		case AifEnConfigChange:
 			break;
 
+		case AifEnAddJBOD:
+		case AifEnDeleteJBOD:
+			container = le32_to_cpu(((__le32 *)aifcmd->data)[1]);
+			if ((container >> 28))
+				break;
+			channel = (container >> 24) & 0xF;
+			if (channel >= dev->maximum_num_channels)
+				break;
+			id = container & 0xFFFF;
+			if (id >= dev->maximum_num_physicals)
+				break;
+			lun = (container >> 16) & 0xFF;
+			channel = aac_phys_to_logical(channel);
+			device_config_needed =
+			  (((__le32 *)aifcmd->data)[0] ==
+			    cpu_to_le32(AifEnAddJBOD)) ? ADD : DELETE;
+			break;
+
 		case AifEnEnclosureManagement:
+			/*
+			 * If in JBOD mode, automatic exposure of new
+			 * physical target to be suppressed until configured.
+			 */
+			if (dev->jbod)
+				break;
 			switch (le32_to_cpu(((__le32 *)aifcmd->data)[3])) {
 			case EM_DRIVE_INSERTION:
 			case EM_DRIVE_REMOVAL:
diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c
index 5ab733d..61be227 100644
--- a/drivers/scsi/aacraid/linit.c
+++ b/drivers/scsi/aacraid/linit.c
@@ -404,6 +404,7 @@
 	struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
 	if ((sdev->type == TYPE_DISK) &&
 			(sdev_channel(sdev) != CONTAINER_CHANNEL) &&
+			(!aac->jbod || sdev->inq_periph_qual) &&
 			(!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))) {
 		if (expose_physicals == 0)
 			return -ENXIO;
@@ -411,7 +412,8 @@
 			sdev->no_uld_attach = 1;
 	}
 	if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
-			(sdev_channel(sdev) == CONTAINER_CHANNEL)) {
+			(!aac->raid_scsi_mode || (sdev_channel(sdev) != 2)) &&
+			!sdev->no_uld_attach) {
 		struct scsi_device * dev;
 		struct Scsi_Host *host = sdev->host;
 		unsigned num_lsu = 0;
@@ -430,8 +432,11 @@
 				++num_lsu;
 		__shost_for_each_device(dev, host) {
 			if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
-				(sdev_channel(dev) == CONTAINER_CHANNEL)) {
-				if (!aac->fsa_dev[sdev_id(dev)].valid)
+					(!aac->raid_scsi_mode ||
+						(sdev_channel(sdev) != 2)) &&
+					!dev->no_uld_attach) {
+				if ((sdev_channel(dev) != CONTAINER_CHANNEL)
+				 || !aac->fsa_dev[sdev_id(dev)].valid)
 					++num_lsu;
 			} else
 				++num_one;
@@ -804,6 +809,8 @@
 	if (dev->raw_io_interface && dev->raw_io_64)
 		len += snprintf(buf + len, PAGE_SIZE - len,
 				"SAI_READ_CAPACITY_16\n");
+	if (dev->jbod)
+		len += snprintf(buf + len, PAGE_SIZE - len, "SUPPORTED_JBOD\n");
 	return len;
 }
 
@@ -1157,7 +1164,7 @@
 	 * all containers are on the virtual channel 0 (CONTAINER_CHANNEL)
 	 * physical channels are address by their actual physical number+1
 	 */
-	if ((aac->nondasd_support == 1) || expose_physicals)
+	if (aac->nondasd_support || expose_physicals || aac->jbod)
 		shost->max_channel = aac->maximum_num_channels;
 	else
 		shost->max_channel = 0;