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Intel RAID High Availability, User Manual

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Intel

®

 High Availability Storage User Guide 

53 

Troubleshooting 

This chapter contains useful information for troubleshooting a Intel

®

 RAID High Availability Storage 

system. 

Reference Checklist of Required Intel® RAID High Availability 
Storage Components 

The following summary list shows the components required for a Intel

®

 RAID High Availability Storage 

configuration. For more detailed information, see Chapter 2: Hardware and Software Setup. 

1. Intel

®

 RAID High Availability Storage controllers: Intel

®

 RAID High Availability Storage controller 

that supports internal SFF-8087 mini-SAS ports (used in cluster-in-a-box configurations) or Intel

®

 RAID 

High Availability Storage controller with external SFF-8088 mini-SAS ports (used with discrete 
computers). 

2. An RWC2 version that includes Intel® RAID High Availability Storage feature support. 

3. A CmdTool2 version that includes Intel® RAID High Availability Storage feature support. 

4. SAS drives that fully support SCSI-3 persistent reservations (no SATA drives). 

5. SAS expanders with HA-specific dual 4-lane SAS connections for the initiators and dual-port 
connections to the drives. 

6. Operating systems that support clustering with all of the necessary services, option selections, and 
patches. (Windows Server 2008 R2 or Windows Server 2012) 

7. Two local area networks: one private, one public. 

Verifying Intel® RAID High Availability Storage   Support in Tools 
and the OS Driver 

Not all versions of RWC2 support Intel® RAID High Availability Storage. The RWC2 versions that 
include support for Intel® RAID High Availability Storage have specific references to clustering. It is not 
always possible to determine the level of support from the RWC2 version number. Instead, look for the 
RWC2 user interface features that indicate clustering support. If the second item in the RWC2 Properties 
box on the dashboard for the Intel® RAID High Availability Storage   controller is 

High Availability 

Cluster 

status, the version supports Intel® RAID High Availability Storage. This entry does not appear 

on versions of RWC2 without Intel® RAID High Availability Storage support. 

You can also check the RWC2 Create Virtual Drive wizard. A

 Share Virtual Drive

 check box appears 

only if the RWC2 version supports clustering, as shown in the following figure. 

Summary of Contents for RAID High Availability

Page 1: ...Intel RAID High Availability Storage User Guide Order Number G85745 001...

Page 2: ...ING OUT OF DIRECTLY OR INDIRECTLY ANY CLAIM OF PRODUCT LIABILITY PERSONAL INJURY OR DEATH ARISING IN ANY WAY OUT OF SUCH MISSION CRITICAL APPLICATION WHETHER OR NOT INTEL OR ITS SUBCONTRACTOR WAS NEGL...

Page 3: ...support motherboards server sb cs 010770 htm http support intel com support motherboards server sb cs 010770 htm Intel Server Boards and Server Chassis Safety Information Intel Important Safety Instru...

Page 4: ...Hazardous voltage current and energy levels are present inside the power supply enclosure There are no user serviceable parts inside it servicing should only be done by technically qualified personnel...

Page 5: ...with CmdTool264 exe on Windows Server 2012 28 Creating Shared VDs with RWC2 34 Intel RAID High Availability Storage SSD Cache Support 37 4 System Administration 42 High Availability Properties 42 Unde...

Page 6: ...ensures a high level of operational continuity and data access reliability over a given period of time DAS means Directly Attached Storage High availability systems are critical to the success and bus...

Page 7: ...minology This section defines some additional important Intel RAID High Availability Storage terms Cache Mirror A cache coherency term describing the duplication of write back cached data across two c...

Page 8: ...t Microsoft Windows Server 2008 R2 Microsoft Windows Server 2012 Full Intel RAID features with the following exceptions SATA drives do not support SCSI 3 persistent reservation and are not supported i...

Page 9: ...e Key AXXRPFKHA2 is a hardware way to enable the High Availability feature of the RAID controller Following are the steps to install the Intel RAID Premium Feature Key 1 Carefully remove the Intel RAI...

Page 10: ...mblies Two sets of external or internal CiB SAS cabling for each Intel RAID High Availability Storage controller One SAS drive backplane or external SAS JBOD with the following characteristics Support...

Page 11: ...the enclosure in unified mode Check with your drive enclosure vendor to determine the appropriate settings Setting Up a Cluster in a Box Configuration The CiB system design converges both server and s...

Page 12: ...des two Intel RAID High Availability Storage controllers and multiple SAS disks Because all components are inside the enclosure and are pre connected the physical setup is minimal Install the CiB encl...

Page 13: ...Configuration with External JBOD Configuration The Intel RAID High Availability Storage solution enables you to configure two separate standard servers with Intel RAID High Availability Storage contro...

Page 14: ...g You must use the same controller board model in both servers Note The Intel RAID High Availability Storage solution is based on Intel RAID firmware that is Intel RAID High Availability Storage capab...

Page 15: ...ules following the instructions in the Quick Installation Guide 2 If necessary install network boards in the two server modules and install the cabling between them 3 Install the two server modules an...

Page 16: ...ure shows how to set up a two controller node configuration with a single JBOD enclosure Figure 8 Two Controller Node Configuration with Single JBOD The cross connections between the controllers provi...

Page 17: ...ctions between controllers and ESMs safeguard against the complete disconnection of a server from the drive enclosure Continued access to drives is assured in the event of a complete drive enclosure f...

Page 18: ...closure A causes disconnection between a server and both drive enclosures 2 The lack of a proper connection from a controller port number to a common enclosure ESM results in inconsistent device repor...

Page 19: ...M B of drive enclosure A to port 1 on ESM B of drive enclosure B 2 Disconnect the link from port 1 on ESM A of drive enclosure A and reconnect it to port 1 on ESM A of drive enclosure B 3 Disconnect t...

Page 20: ...r vendor to obtain a version of this operating system that includes this support Installing the Operating System and the Failover Clustering Feature When you have finished physically configuring the I...

Page 21: ...e version that supports the Intel RAID High Availability Storage controller Refer to the installation steps in the release notes in the Intel RAID SAS Device Driver package Installing the Management T...

Page 22: ...irements such as requirements for network redundancy Storage tests These tests analyze whether the storage meets specific requirements such as whether the storage correctly supports the necessary SCSI...

Page 23: ...r more detailed information During creation of the cluster Windows automatically defines and creates the quorum a configuration database that contains metadata required for the operation of the cluste...

Page 24: ...nodes must be booted into the Intel RAID BIOS Console pre boot utility The two nodes in the cluster system boot simultaneously after power on so you must rapidly access both consoles One of the system...

Page 25: ...ndow appears 4 Select Add Configuration and click Next 5 On the next wizard screen select Manual Configuration and click Next The Drive Group Definition window appears 6 In the Drives panel on the lef...

Page 26: ...ting Drives 7 Click Add To Array click ACCEPT and click Next 8 On the next screen click Add to SPAN then click Next 9 On the next screen click Update Size 10 Select the Share Virtual Drive option on t...

Page 27: ...t the previous steps to create the other VDs As the VDs are configured on the first controller node the other controller node s drive listing is updated to reflect the use of the drives 15 When prompt...

Page 28: ...the command line entries exactly as shown in the following instructions because it is slightly different than the syntax used for the Windows command prompt The CmdTool2 help and documentation do not...

Page 29: ...appears close to the top of the window Use the scroll bar to find the device IDs of the physical drives for the VD The format of the drive IDs appears as follows Physical Disk 1 Enclosure Device ID 2...

Page 30: ...t a shared VD that is visible to all cluster nodes NOTE To create a VD that is visible only to the node that created it such as creating a boot volume for this cluster node add the exclusive parameter...

Page 31: ...nd Prompt A properties check indicator appears on the button as shown in the following figure Figure 20 Command prompt The following button appears at the bottom of the desktop to open the command pro...

Page 32: ...esumes that there is only one Intel RAID High Availability Storage controller in the system or that these steps reference the first Intel RAID High Availability Storage controller in a system with mul...

Page 33: ...e cfgldadd parameter configures and adds a VD logical disk The r5 parameter selects RAID 5 as the RAID level The opening and closing square brackets define the list of drives for the VD Each drive is...

Page 34: ...Storage Also see Section Verifying Intel RAID High Availability Storage Support in Tools and the OS Driver 1 In the left panel of the RWC2 Logical pane right click the Intel RAID High Availability St...

Page 35: ...ing figure NOTE If you do not select Share Virtual Drive the VD is visible only from the server on which it is created Figure 25 Share Virtual Drive Option 9 Click Create Virtual Drive to create the v...

Page 36: ...re used in the Intel RAID High Availability Storage solution must have Intel RAID High Availability Storage compatible implementations of the SCSI 3 persistent reservation PR feature Intel maintains a...

Page 37: ...for SSD Cache VDs Intel maintains a list of SAS SSD drives that meet the Intel RAID High Availability Storage requirements NOTE A SSD Cache VD is not presented to the host operating system and it doe...

Page 38: ...The following figure shows the SSD Cache drive group Figure 29 Creating SSD Cache Drive Group 1 3 Click Create Drive Group and then click Next 4 In the Create SSD Cache SSD Caching Virtual Drive wind...

Page 39: ...lity Storage User Guide 39 Figure 30 Creating SSD Cache Drive Group 2 5 Click Create Virtual Drive and then click Next 6 In the Create SSD Cache SSD Caching Summary window review the configuration and...

Page 40: ...ure 31 Reviewing the Configuration 7 In the Create SSD Cache Complete box click OK The CacheCache VD now appears on the Physical Tab of RWC2 as shown in the following figure The SSD Cache volume assoc...

Page 41: ...Intel High Availability Storage User Guide 41 Figure 32 New SSD Cache Drive Group...

Page 42: ...ptor of the HA topology for which the Intel RAID High Availability Storage controller is currently configured the default is Server Storage Cluster Maximum Controller Nodes The maximum number of concu...

Page 43: ...ities can be performed or the failover might be unintended unplanned resulting from hardware or software component failure that blocks access to the storage devices The following figures shows an exam...

Page 44: ...rver A to Server B After failover the cluster status is as follows in terms of the management of the drive group and the VDs All shared VDs in A DG0 have failed over and are now managed by Server B VD...

Page 45: ...ared Do not transition operating system boot volumes from EXCLUSIVE to SHARED Planned Failover in Windows Server 2012 Follow these steps to perform a planned failover on a Intel RAID High Availability...

Page 46: ...e left panel expand the tree to display the disks as shown in the following figure Figure 37 Expand Tree 4 Right click the entry in the Assigned To column in the center panel of the window A pop up me...

Page 47: ...ility Storage Controller Firmware Follow these steps to update the firmware on the Intel RAID High Availability Storage controller board You must perform the update only on the controller node that is...

Page 48: ...e controller node you just upgraded 10 Repeat this process for the other controller 11 Restore the cluster to its non failed over mode Updating the Intel RAID Driver To update the Intel RAID driver us...

Page 49: ...3 Select the Hardware tab and click Device Manager 4 Click Storage to expose the Intel RAID High Availability Storage controller 5 Right click the Intel RAID High Availability Storage controller and...

Page 50: ...s a recommended best practice always back up system data before updating the driver and then perform a planned failover These steps are recommended because a driver update requires a reboot of the sys...

Page 51: ...torage User Guide 51 Figure 41 Updating the Driver Software 3 Select Computer Management then click Device Manager 4 Click Storage to expose the Intel RAID High Availability Storage controller as show...

Page 52: ...area in the RAID configured drives You can run a patrol read for all RAID levels and for all hot spare drives A patrol read is initiated only when the controller is idle for a defined time period and...

Page 53: ...dual 4 lane SAS connections for the initiators and dual port connections to the drives 6 Operating systems that support clustering with all of the necessary services option selections and patches Win...

Page 54: ...el RAID High Availability Storage solution with the release to manufacturing RTM build of Windows Server 2012 To determine the Windows version on your system open a command window not PowerShell and u...

Page 55: ...figure Figure 44 Intel RAID BIOS Console Physical View If the other node is powered off the other RAID controller does not appear in Intel RAID BIOS Console In cluster in a box configurations the othe...

Page 56: ...56 Intel High Availability Storage User Guide Figure 45 Redundant SAS Data Paths Are Missing The following figure shows the correct view with two drive SAS addresses...

Page 57: ...formation presented for each physical drive up to the lines that show the drive s SAS addresses If only one of the drive s SAS ports was discovered the second SAS address is listed as 0x0 If both driv...

Page 58: ...S Address 1 0x5000c500178c448a Using RWC2 to Verify Dual Ported SAS Addresses to Disk Drives When the Intel RAID High Availability Storage system is running you can use RWC2 to verify the dual SAS pat...

Page 59: ...ou might encounter in a Intel RAID High Availability Storage configuration along with possible causes and solutions The highlighted entry is especially important when updating the controller firmware...

Page 60: ...correct this situation update the firmware for the peer controller and the other controller or both to ensure that they are at the same firmware version ntroller hardware does not exactly match the c...

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