Supported external storage systems
This appendix describes the required configuration settings for many of the supported external storage systems.
External systems
The storage systems in the following sections can be connected to your storage system as external storage systems.
HUS VM
Use the following settings on the external system:
- The port must be set to the host group for the Windows hosts (host mode 0C: (Deprecated) Windows, host mode 2C: Windows Extension).
- The port attribute must be set to Target port or RCU target port.
- If the external storage system uses Open LDEV Guard, set System Option Mode (SOM) 701 to ON on your local storage system.
Hitachi Virtual Storage Platform G200, G400, G600, G800, VSP F400, F600, F800, VSP G350, G370, G700, G900, VSP F350, F370, F700, F900
Use the following settings on the external system:
The port must be set to the host group for the Windows hosts (host mode 0C: (Deprecated) Windows, host mode 2C: Windows Extension).
Virtual Storage Platform G1000, G1500, and Virtual Storage Platform F1500
Use the following settings on the external system:
- The port must be set to the host group for the Windows hosts (host mode 0C: (Deprecated) Windows, host mode 2C: Windows Extension).
- The port attribute must be set to Target port or RCU target port.
- If the external storage system uses Data Retention Utility, set System Option Mode (SOM) 701 to ON on the local storage system.
Virtual Storage Platform
Use the following settings on the external system:
- The port must be set to the host group for the Windows hosts (host mode 0C: (Deprecated) Windows, host mode 2C: Windows Extension).
- The port attribute must be set to Target port or RCU target port.
- If the external storage system uses Open LDEV Guard, set System Option Mode (SOM) 701 to ON on your local storage system.
Universal Storage Platform V/VM
Use the following settings on the external system:
- The port must be set to the host group for the Windows hosts (host mode 0C: (Deprecated) Windows, host mode 2C: Windows Extension).
- The port attribute must be set to Target port or RCU target port.
- If the external storage system uses Open LDEV Guard, set SOM 701 to ON on your local storage system.
Universal Storage Platform/TagmaStore NSC
Use the following settings on the external system:
- The port must be set to the host group for the Windows hosts (host mode 0C: (Deprecated) Windows, host mode 2C: Windows Extension).
- The port attribute must be set to Target port or RCU target port.
- If the external storage system uses Open LDEV Guard, set SOM 701 to ON on your local storage system.
If a volume's capacity is more than 2 TB, host mode option No. 24 must be enabled before mapping it as an external volume. For instructions, see the LUN Manager User's Guide for the Universal Storage Platform / TagmaStore NSC storage system.
Lightning 9900 V
Use the following settings on the external system:
- The port must be set to the host group for the Windows hosts (host mode 0C: (Deprecated) Windows, host mode 2C: Windows Extension).
- The port attribute must be set to Target port or RCU target port.
Lightning 9900
Use the following settings on the external system:
- The port's host mode must be set to PC Server (0C).
- The port attribute must be set to Target port or RCU target port.
Thunder 9500V
The following versions are recommended. If you use an earlier version, the SATA drive information might not display correctly.
- For Thunder 9530V, Thunder 9520V, Thunder 9570V: version 0658 or later
- For Thunder 9580V, Thunder 9585V: version 1658 or later
The following table shows the system parameters that must be specified for ports on the Thunder 9500V storage system.
|
Window Names |
Parameters |
Parameter Settings |
|
System Startup Settings |
Start Attribute | |
|
Single Mode |
Use when the Thunder 9500V is in a one-controller configuration. | |
|
Dual Active Mode |
Use when the Thunder 9500V is in a two-controller configuration. Be sure to specify that Data Share Mode will be used. | |
|
Hot Stand-By Mode |
Do not specify this parameter. | |
|
Common 1 |
Delay Planned Shutdown |
Optional |
|
OPTION 1 |
SCSI Fibre Channel Common Options |
Optional |
|
OPTION 2 |
SCSI Fibre Channel Common Options |
Optional |
|
Data Striping |
Operation if the processor failure occurs |
Reset of occurred |
|
Inquiry Setting |
Command Queuing Mode |
ON |
|
Vendor ID |
HITACHI (default) | |
|
Product ID |
DF600F (default) | |
|
ROM Microprogram Version |
Optional | |
|
RAM Microprogram Version |
Optional | |
|
WEB Title |
Optional | |
|
Port Type |
Reset/LIP Mode | |
|
Reset/LIP Mode (Signal) |
Optional | |
|
Reset/LIP Mode (Process) |
Optional | |
|
LIP Reset Mode |
Optional | |
|
Controller Option |
RS232C Error Information Outflow Mode |
Optional |
|
Write and verify mode |
ON | |
|
Host Connection Mode |
Host Connection Mode 1 |
Standard Mode |
|
Host Connection Mode 2 |
HISUP Mode (do not specify any other parameter). | |
Identifying the 9500 V model using the serial number
You can identify the storage system model from the serial number displayed in the Vendor / Model / Serial Number column in the External Storage System tab.
The following table shows the relationship between the number in the Serial Number column and the storage system model.
Displayed Serial Number | Model |
D600XXXX | 9570V, 9520V |
D60JXXXX | 9530V |
D60HXXXX | 9580V, 9585V |
Note: In serial numbers, "X" is an arbitrary number or character. | |
Identifying the controller using the port WWN
You can identify the controller (controller 0 or controller 1) from the WWN of the port.
The following table describes the relationship between the port WWN and the controller.
Model | Controller | WWN of Port |
9570V 9530V 9520V | Controller 0 | XXXXXXXXXXXXXXX0 XXXXXXXXXXXXXXX1 |
Controller 1 | XXXXXXXXXXXXXXX2 XXXXXXXXXXXXXXX3 | |
9580V 9585V | Controller 0 | XXXXXXXXXXXXXXX0 XXXXXXXXXXXXXXX1 XXXXXXXXXXXXXXX2 XXXXXXXXXXXXXXX3 |
Controller 1 | XXXXXXXXXXXXXXX4 XXXXXXXXXXXXXXX5 XXXXXXXXXXXXXXX6 XXXXXXXXXXXXXXX7 | |
Note: In WWNs, "X" is an arbitrary number or character. The ports in the same physical storage system have the identical value. | ||
HUS/AMS/WMS
The table below shows the system parameters that must be specified for ports on HUS, AMS, and WMS storage systems when used with Universal Volume Manager. You can specify or omit any other parameters.
Also, ensure the following two settings using Storage Navigator Modular or Storage Navigator Modular2:
- Set the data transfer speed of the external port to a fixed value other than Auto.
- Set the data transfer speed of the target port of the HUS/AMS/WMS storage system to a fixed value consistent with the data transfer speed of the external port.
|
Window Names |
Parameters |
Parameter Settings |
|
Boot Options |
Start Attribute | |
|
Single Mode |
Specify when HUS/AMS/WMS is in a one-controller configuration. | |
|
Dual Active Mode |
Specify when HUS/AMS/WMS is a two-controller configuration. | |
|
Delay Planned Shutdown |
Optional | |
|
Drive blocking mode |
Optional | |
|
Vendor ID |
HITACHI (default-do not change) | |
|
Product ID |
DF600F (default-do not change) | |
|
ROM Microprogram Version |
Optional | |
|
RAM Microprogram Version |
Optional | |
|
System Parameter |
Option |
Optional |
|
Operation if the processor failure occurs |
Reset of occurred. | |
|
WEB Title |
Optional | |
|
Write and verify mode |
For AMS 1000, AMS 500, AMS 200, or WMS 100: ON For HUS 150, HUS 130, HUS 110, AMS 2500, AMS 2300, AMS 2100, or AMS 2010: OFF | |
|
Port Options |
Port Option |
Optional |
|
Host Connection Mode |
HUS/AMS: Common Setting WMS: Host Connection Mode 1 |
Select Standard Mode. |
|
HUS/AMS: Additional Setting WMS: Host Connection Mode 2 |
Do not specify any parameters. For AMS 1000, AMS 500, AMS 200, or WMS 100: Do not specify HISUP OFF mode. | |
Identifying the HUS/AMS/WMS model using the serial number
When the external storage system is HUS, AMS, or WMS, you can identify the storage system model from the serial number displayed in the Serial Number column in the Volume Operation window.
The following table describes the relationship between the number in the Serial Number column and the storage system model.
|
Storage System |
Displayed Serial Number |
Model |
|
HUS |
95XXXXXX |
HUS 150 |
|
93XXXXXX |
HUS 130 | |
|
91XXXXXX |
HUS 110 | |
|
AMS |
87XXXXXX |
AMS 2500 |
|
85XXXXXX |
AMS 2300 | |
|
83XXXXXX |
AMS 2100, AMS 2010 | |
|
77XXXXXX |
AMS 1000 | |
|
75XXXXXX |
AMS 500 | |
|
73XXXXXX |
AMS 200 | |
|
WMS |
71XXXXXX |
WMS 100 |
|
In serial numbers, "X" is an arbitrary number or character. | ||
When the model of HUS/AMS/WMS storage system is changed, the Serial Number is changed as well. If the HUS/AMS/WMS storage system is used as an external storage system, the mapped external volume might be blocked. To correct this problem, you can delete the mapping of the external volume and remap it to use the blocked external volume. See Requirements for external storage system maintenance for detailed information on remapping.
Identifying the controller using the port WWN (HUS/AMS/WMS)
When the external storage system is HUS, AMS, or WMS, you can identify the controller (controller 0 or controller 1) from the port WWN.
The following table describes the relationship between the port WWN and the controller.
|
Model |
Controller |
WWN of Port |
|
AMS 200 WMS 100 |
Controller 0 |
XXXXXXXXXXXXXXX0 |
|
Controller 1 |
XXXXXXXXXXXXXXX1 | |
|
AMS 2100 AMS 2010 AMS 500 |
Controller 0 |
XXXXXXXXXXXXXXX0 XXXXXXXXXXXXXXX1 |
|
Controller 1 |
XXXXXXXXXXXXXXX2 XXXXXXXXXXXXXXX3 | |
|
HUS 110 HUS 130 AMS 2300 AMS 1000 |
Controller 0 |
XXXXXXXXXXXXXXX0 XXXXXXXXXXXXXXX1 XXXXXXXXXXXXXXX2 XXXXXXXXXXXXXXX3 |
|
Controller 1 |
XXXXXXXXXXXXXXX4 XXXXXXXXXXXXXXX5 XXXXXXXXXXXXXXX6 XXXXXXXXXXXXXXX7 | |
|
HUS 150 AMS 2500 |
Controller 0 |
XXXXXXXXXXXXXXX0 XXXXXXXXXXXXXXX1 XXXXXXXXXXXXXXX2 XXXXXXXXXXXXXXX3 XXXXXXXXXXXXXXX4 XXXXXXXXXXXXXXX5 XXXXXXXXXXXXXXX6 XXXXXXXXXXXXXXX7 |
|
Controller 1 |
XXXXXXXXXXXXXXX8 XXXXXXXXXXXXXXX9 XXXXXXXXXXXXXXXA XXXXXXXXXXXXXXXB XXXXXXXXXXXXXXXC XXXXXXXXXXXXXXXD XXXXXXXXXXXXXXXE XXXXXXXXXXXXXXXF | |
|
Note: In WWNs, "X" is an arbitrary number or character. The ports in a physical storage system have the identical value. | ||
When the model of HUS/AMS/WMS storage system is changed, the WWN of the port is changed as well. If the HUS/AMS/WMS storage system is used as an external storage system, the mapped external path might be blocked. To correct this problem, you can delete the mapping of the external path and remap it to use the blocked external path. See Requirements for external storage system maintenance for detailed information on remapping.
The Volume Properties value is the internal LUN number of the LUNS from the AMS/WMS.
When an HUS 150, HUS 130, HUS 110, AMS 2500, AMS 2300, AMS 2100, or AMS 2010 storage system is connected as an external system with the Power Savings option is enabled, do not access external volumes from a host if the external volumes are spinning down. This prevents the external volume status from changing to Blockade.
If external volume status changes to Blockade, the volume is automatically restored in several hours. You can also manually restore the external volumes by reconnecting the external volume.
HUS and AMS 2000 series guidelines
- If a failure occurs in an HUS or AMS 2000 series system, responses from local storage systems to the HUS or AMS 2000 series system might be delayed. To prevent requests from external storage systems from timing out, configure the local storage systems as follows:
- Set the I/O timeout value of the local storage system to 35 seconds.
- Set the timeout value of the external storage system to
(I/O-timeout-value x 2) + margin. For example:(35 seconds x 2) + 10 seconds = 80 seconds
- Avoid unnecessary load to the external storage system. Path mode between storage systems is Multi mode. Therefore, when many external paths and mapping volumes are mapped, the load to the external system is high, and some commands from a host to the local storage system or from the local storage system to an external system might time out. To keep the proper load, the following settings are recommended:
- Specify two external paths. Set the paths to the ports of each controller of the AMS 2000 series system.
- Set the queue to 500 or fewer commands issued at the same time from a AMS 2000 series system. The formula to calculate the number of queue commands per system is as follows.
number-of-queues x number-of-external-paths x number-of-concurrent-external-volume-commands < 500For more information about command queue settings, see Changing the port settings of an external storage system.
- When using external volumes for replication, the copy operation needs to be distributed to two or more RAID groups.
There is an upper bound to the number of pairs that can be used for initial copy or resynchronization. Therefore, the copy operation might focus on a specific RAID group according to the order of the operation when it is performed to two or more external volumes.
If the copy operation focuses on a specific RAID group, then the AMS 2000 drive could bottleneck.
SVS200 storage system
Use the following settings on the external system:
- The port must be set to the host group for the Windows hosts (host mode 0C: (Deprecated) Windows, host mode 2C: Windows Extension).
- The port attribute must be set to Target port or RCU target port.
EVA storage systems
Use the following settings on the external system:
- The port must be configured as a target attached to a Windows host.
- EVA storage systems with microcode version 4.000 or later can be connected as an external storage system.
Set EVA system parameters in the following table. For parameters not shown, refer to the EVA system documentation for connection parameters.
|
Parameter |
Parameter Setting | |
|
Add a Host |
Host OS |
Windows |
The WWN of each port on the local storage system that is connected to an EVA storage system must be registered with the EVA system. See EVA storage system documentation for details on registering WWNs.
Identifying logical volumes using Device ID
With an EVA external storage system, LUNs appear as Volume Properties in Device Manager - Storage Navigator windows.
If you search for the logical volumes by specifying the WWN for EVA Port A as illustrated in the following figure, logical volumes LUN 1 and LUN 2 are found for each of HostGroup-1 and HostGroup-2.
In this case, two different logical volumes with the same name (LUN 1 and LUN 2) are found that can be connected from EVA Port A. But you cannot determine which LUN 1 and LUN 2 belong to HostGroup-1 or HostGroup-2 only by Volume Properties.
However, in Device Manager - Storage Navigator, you can identify the logical volumes referring to Device ID. The first 32 characters of Device ID indicate the World Wide LUN Name. Identify the logical volume of the EVA storage system by this World Wide LUN Name.
Sun StorEdge 6120/6320
When you connect Sun StorEdge 6120/6320 as an external storage system, you must set SOM 725 of the local storage system to ON. If SOM 725 is not set to ON, the external storage system might be blocked when performing maintenance tasks such as rebooting the controller of the external storage system before the firmware update.
For more information about using SOM 725, log on to the Hitachi Vantara Support Connect: https://knowledge.hitachivantara.com/Documents
The port must be configured as a target attached to a Windows host.
Set system parameters according to the following table. For connection parameters not shown, refer to the Sun StorEdge 6120/6320 system documentation.
On your local storage system, set system option mode 725 to ON for support of Sun online maintenance operation.
|
Parameter |
Parameter Setting |
|
port host |
SUN |
Sun StorageTek FlexLine 380
When you connect Sun StorageTek FlexLine 380 as an external storage system, you must set SOM 725 of the local storage system to ON. If SOM 725 is not set to ON, the external storage system might be blocked when performing maintenance tasks such as rebooting the controller of the external storage system before the firmware update.
For more information about using SOM 725, log on to the Hitachi Vantara Support Connect: https://knowledge.hitachivantara.com/Documents
The port must be configured as a target attached to a Windows host.
Set system parameters according to the following table. For connection parameters not shown, refer to the Sun StorageTek FlexLine 380 documentation.
|
Parameter |
Parameter Setting |
|
host type |
Windows Non-clustered (DMP Support) |
Sun StorageTek 2540
When you connect Sun StorageTek 2540 as an external storage system, you must set SOM 725 of the local storage system to ON. If SOM 725 is not set to ON, the external storage system might be blocked when performing maintenance tasks such as rebooting the controller of the external storage system before the firmware update.
For more information about using SOM 725, log on to the Hitachi Vantara Support Connect: https://knowledge.hitachivantara.com/Documents
The port must be configured as a target attached to a Windows host.
Set system parameters according to the following table. For connection parameters not shown, refer to Sun StorageTek 2540 documentation.
|
Parameter |
Parameter Setting |
|
host type |
Windows 2K non Clustered DMP |
Sun StorageTek V2X2
The port must be configured as a target attached to a Windows host.
EMC CLARiiON CX series
The port must be configured as a target attached to a Windows host.
System option modes for connecting EMC CLARiiON CX series
When you connect an EMC CLARiiON CX series as an external storage system, you must enable SOM 725 on the local storage system. If SOM 725 is not enabled, the external storage system might be blocked when performing maintenance tasks such as rebooting the controller of the external storage system before the firmware update.
If the status becomes Not Ready (that is, the external storage system cannot be accessed), mapped external volumes might be blocked. When restoring a mapped external volume that is blocked, you can select either manual or automatic restore. However, if SOM 1021 is enabled on the local storage system, mapped external volumes that are blocked are restored automatically.
When you attempt to restore a blocked external volume to normal status, if the external storage system has a problem (for example, a failure), the mapped external volume might change immediately back to blocked status because automatic restoration is not possible.
For more information about using SOM 725 and SOM 1021, log on to the Hitachi Vantara Support Connect: https://knowledge.hitachivantara.com/Documents
System parameters for connecting EMC CLARiiON CX series
When you connect an EMC CLARiiON CX series as an external storage system, set the system parameters according to the following table.
|
Parameter |
Setting |
|
Initiator Type |
CLARiiON Open |
|
Failover Mode |
2 |
|
ArrayCommPath |
Disabled |
For system parameters not shown in the table, see the EMC CLARiiON CX series documentation.
- Volumes created with Individual Disk Units (JBOD disks) of EMC CLARiiON CX series are not supported.
- Volumes created with RAID 0 are not supported.
- For each port in the EMC CLARiiON CX side, make sure to define LUN 0 .
EMC VNX series
System option modes for connecting EMC VNX series
When you connect an EMC VNX series as an external storage system, you must enable SOM 725 on the local storage system. If SOM 725 is not enabled, the external storage system might be blocked when performing maintenance tasks such as rebooting the controller of the external storage system before the firmware update.
If the status becomes Not Ready (that is, the external storage system cannot be accessed), mapped external volumes might be blocked. When restoring a mapped external volume that is blocked, you can select either manual or automatic restore. However, if SOM 1021 is enabled on the local storage system, mapped external volumes that are blocked are restored automatically.
When you attempt to restore a blocked external volume to normal status, if the external storage system has a problem (for example, a failure), the mapped external volume might change immediately back to blocked status because automatic restoration is not possible.
For more information about using SOM 725 and SOM 1021, log on to the Hitachi Vantara Support Connect: https://knowledge.hitachivantara.com/Documents
System parameters for connecting EMC VNX series
When you connect an EMC VNX series as an external storage system, set the system parameters of the EMC VNX series according to the following table:
|
Parameter |
Setting |
|
Initiator Type |
CLARiiON Open |
|
Failover Mode |
2 |
|
ArrayCommPath |
Disable |
For system parameters not shown in the table, see the EMC VNX series documentation.
- Volumes created with Individual Disk Units (JBOD disks) of EMC CLARiiON CX series are not supported.
- Volumes created with RAID 0 are not supported.
- For each port in the EMC CLARiiON CX side, make sure to define LUN 0 .
EMC Symmetrix series
Initiator Group and Host Group Flag settings should be configured to virtualize Dell (EMC) VMAX40K.
The port must be configured as a target attached to a Windows host.
Set system parameters according to the following table. For connection parameters not shown, refer to EMC Symmetrix series documentation.
|
Parameter* |
Parameter Setting | |
|
Override Checked? |
Enable Checked? | |
|
SCSI_3(SC3) flag |
Yes |
Yes |
|
SCSI_Support1(OS2007) |
Yes |
No |
|
SPC2_Protocol_Version(SPC2) flag |
Yes |
No |
| * The Consistent LUNs parameter should also be checked. | ||
On your local storage system, system option mode 745 needs to be ON.
IBM® DS3000/DS4000/DS5000 series
The port must be configured as a target attached to a Windows host.
Set system parameters according to the following table. For connection parameters not shown, refer to IBM® DS3000/DS4000/DS5000 series documentation.
|
Parameter |
Parameter Setting |
|
host type |
When alternate paths are connected to different clusters on the DS3000/DS4000/DS5000 series side: Linux |
IBM® V7000 series
Set system parameters according to the following table. For connection parameters not shown, refer to the IBM® V7000 series documentation.
|
Parameter |
Parameter setting |
|
host type |
generic |
The model name of the IBM® V7000 series is displayed as "SVC" on the Device Manager - Storage Navigator window.
IBM® SVC series
The port must be configured as a target attached to a Windows host.
Set system parameters according to the following table. For connection parameters not shown, refer to IBM® SVC series documentation.
|
Parameter |
Parameter Setting |
|
host type |
generic |
IBM® XIV series
The port must be configured as a target attached to a Windows host.
Device serial number differs between IBM® XIV series and the local storage system, as shown in the following table.
|
Display in the local storage system |
Display in IBM® XIV | ||
|
Item |
Type |
Item |
Type |
|
First 2 digits of Serial Number |
Decimal value |
First 2 digits of (System) Serial number |
Decimal value |
|
Last 5 digits of Serial Number |
Hexadecimal value |
Last 5 digits of (System) Serial number |
Decimal value |
|
Volume Properties |
Hexadecimal value |
Device serial number |
Decimal value |
Fujitsu FibreCAT CX series
The port must be configured as a target attached to a Windows host.
Set system parameters according to the following table. For connection parameters not shown, refer to Fujitsu FibreCAT CX series documentation.
|
Parameter |
Parameter Setting |
|
Initiator Type |
CLARiiON Open |
|
Failover Mode |
2 |
Volumes created with the RAID0 level or Individual Disk Units (JBOD disks) of Fujitsu FibreCAT CX series are not supported.
When you connect the Fujitsu FibreCAT CX series as an external storage system, you must set SOM 725 of the local storage system to ON. If SOM 725 is not set to ON, the external storage system might be blocked when a maintenance task such as rebooting the controller of the external storage system is performed before the firmware update.
For more information about using SOM 725, log on to the Hitachi Vantara Support Connect: https://knowledge.hitachivantara.com/Documents
Fujitsu DX60/80/90 S2 and Fujitsu DX400 S2
The port must be configured as a target attached to a Windows host.
Set system parameters according to the following table. For connection parameters not shown, refer to Fujitsu DX60/80/90 S2 or Fujitsu DX 400 S2 documentation.
Parameter | Parameter Setting |
Inquiry VPD ID Type in Setup Host Response screen | Type1 + Type3 |
Load Balance Response in Setup Host Response screen | Busy |
SGI IS4600 series
The port must be configured as a target attached to a Windows host.
Set system parameters according to the following table. For connection parameters not shown, refer to SGI IS4600 series documentation.
Parameter | Parameter Setting |
host type | When alternate paths are connected to different clusters on the SGI IS4600 series side: Linux |
3Par T800, F400, V800, V400, 7000, 8000, 10000, and 20000 series
The port must be configured as a target attached to a Windows host.
Set system parameters according to the following tables. For connection parameters not shown, refer to the documentation for your model.
|
Series |
Host mode setting |
|
3Par T800 and F400 |
generic-legacy or generic |
|
3Par V800, V400, 7000, 8000, 10000, and 20000 |
generic-legacy |
The volumes in which Dynamic optimization or Adaptive optimization is applied must not be used as external volumes. Otherwise, the performance of the external volume might possibly be degraded and the operation cannot be guaranteed.
Settings and considerations for connecting to Linux or Window 2012 servers
When connecting to Linux servers via iSCSI, please note:
- You need to change the product ID of LU#0 defined as an iSCSI target to "VIRTUAL_DISK".
-
Command example for setting change (TID=1)
tgtadm --tid 1 --lun 0 --op update --mode logicalunit --params vendor_id=IET,product_id=VIRTUAL-DISK
-
- Do not use external volumes beyond their usage as a Quorum disk for global-active device operations.
- LU#0 is a controller. Therefore, mapping LU#0 is not possible.
When connecting to Windows Server 2012 via iSCSI, do not use external volumes beyond their usage as a Quorum disk for global-active device operations.
Connecting to storage systems from other vendors
If connecting another vendor's storage system as an external storage system, a port needs to be configured as a target port connected to a Windows host. For detailed information, please contact the third party vendor.
Storage system with a product name displayed as (generic)
The generic Universal Volume Manager profile provides support for connecting external storage systems that are attached using Fibre Channel, without testing them individually. It will automatically support storage systems that conform to a subset of the standard SCSI Primary Commands. (If you need further information, contact customer support). A representative of customer support can perform a step-wise process to install and connect external storage. These steps (defined below) follow a standard process to ensure that no obvious problems exist in the virtualization.
Support conditions when product name displays as (generic)
When an external storage system is connected to your storage system and is supported with the generic UVM profile, the following support conditions exist.
- Vendor name that corresponds to the external storage system is displayed.
- Product name is displayed as (generic).
NoteIf multiple generic storage systems of the same vendor are connected, they are displayed as a single storage system. As a result, if Disconnect External Storage Systems or Reconnect External Storage Systems is run for generic storage systems, all the generic storage system volumes are disconnected or reconnected. For disconnecting or reconnecting a particular generic storage system volume, the best practice is to run the command in the external volume unit rather than the external storage system unit.
- Serial number is not displayed.
- Volume Properties (device information). LUN assigned to the path with the highest priority is displayed.
- Path Mode and Load Balance Mode. Load Balance Mode is set to
Disable by default. Three Path Mode settings are available:
- Normal Round-robin (For Multi Path)
- Extended Round-robin (For Multi Path)
- Disable (For Single Path and ALUA)
By default, Load Balance Mode is set to Disable for the generic UVM profile. As a result, UVM uses Single Mode (Active/Passive). If the attached external storage supports Multi pathing (Active/Active), the Load Balance Mode setting must be changed to Extended Round-robin or Normal Round-robin.
The Load Balance Mode can be changed in the Add External Volumes window of Device Manager - Storage Navigator.
Virtualization support requirements
- The external storage system conforms to SCSI Primary commands (SPC-3).
- Inquiry page 0x83 contains device identifier 2h (EUI-64-based) or 3h (NAA).
- The alternate path mode is not Active/Standby. (Active/Standby is a Single Mode much like Active/Passive, but it does not failover automatically.)
- A profile specific to the storage system does not exist.
- A special device driver or path manager is not required to control the external storage system.
- All other restrictions referenced in this guide apply to virtualization specifications.
Suggested virtualization procedure
The collection of information is optional but recommended. If you attach a new branded storage system, a local customer support representative should collect the required data. After reviewing the data, they will add the External Storage Model to a listing of supported models. The customer support representative might also provide a profile that models your specific storage system. You have the option of continuing to use the external storage system or waiting for your customized profile. If the required data is not provided, support might be limited until the data is acquired.
Procedure
Set up external ports on the local storage system.
Connect the external storage FC s to the external ports of the local storage system.
Virtualize at least four LUNs from the external storage.
- If virtualization fails, contact customer support.Connect two FC ports of the local storage system to two HBAs of the server.
Provision the ELUNs mapped to the LUNs (step 3) on the ES to the UVM FC ports.
Run an I/O generator to the virtualized LUNs. IOMETER or VDBENCH can be used.
Delete the external path of the highest priority during the I/O.
Add the external path as the highest priority during the I/O.
Stop the I/O.