Dell EMC PowerVault ME4 Series Deployment Manual
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Dell EMC PowerVault ME4 Series Deployment Manual

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Dell EMC PowerVault ME4 Series Storage
System
Deployment Guide

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Summary of Contents for Dell EMC PowerVault ME4 Series

  • Page 1 Dell EMC PowerVault ME4 Series Storage System Deployment Guide...
  • Page 2 Notes, cautions, and warnings NOTE: A NOTE indicates important information that helps you make better use of your product. CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the problem. WARNING: A WARNING indicates a potential for property damage, personal injury, or death.

  • Page 3: Table Of Contents

    Contents 1 Before you begin.......................... 6 Unpack the enclosure................................6 Safety guidelines..................................7 Safe handling..................................7 Safe operation.................................. 8 Electrical safety................................8 Rack system safety precautions............................9 Installation checklist................................9 Planning for installation................................10 Preparing for installation..............................10 Preparing the site and host server..........................10 Required tools..................................11 Requirements for rackmount installation........................
  • Page 4 Dual-controller module configurations........................26 5 Connect power cables and power on the storage system............... 30 Power cable connection..............................30 6 Perform system and storage setup....................32 Record storage system information..........................32 Using guided setup................................32 Web browser requirements and setup........................32 Access the ME Storage Manager..........................32 Update firmware................................
  • Page 5 Dealing with hardware faults............................73 A Cabling for replication........................ 76 Connecting two storage systems to replicate volumes....................76 Host ports and replication..............................76 Example cabling for replication............................77 Single-controller module configuration for replication....................77 Dual-controller module configuration for replication....................77 Isolating replication faults..............................80 Diagnostic steps for replication setup.........................

  • Page 6: Before You Begin

    Before you begin Unpack the enclosure Examine the packaging for crushes, cuts, water damage, or any other evidence of mishandling during transit. If you suspect that damage has happened, photograph the package before opening, for possible future reference. Retain the original packaging materials for use with returns.

  • Page 7: Safety Guidelines

    Always follow these safety guidelines to avoid injury and damage to ME4 Series components. If you use this equipment in a manner that is not specified by Dell EMC, the protection that is provided by the equipment could be impaired. For your safety and precaution, observe the rules that are described in the following sections:...

  • Page 8: Safe Operation

    • Before removal/replacement of a PCM or PSU, disconnect supply power from the module to be replaced. See the Dell EMC PowerVault ME4 Series Storage System Owner’s Manual. . • Follow the instructions in the hazardous voltage warning label affixed to power cooling modules.

  • Page 9: Rack System Safety Precautions

    Rack system safety precautions The following safety requirements must be considered when the enclosure is mounted in a rack: • The rack construction must support the total weight of the installed enclosures. The design should incorporate stabilizing features to prevent the rack from tipping or being pushed over during installation or in normal use. •...

  • Page 10: Planning For Installation

    The environment in which the enclosure operates must be dust-free to ensure adequate airflow. For more information about hosts, see the About hosts topic in the Dell EMC PowerVault ME4 Series Storage System Administrator’s Guide. The ME Storage Manager is introduced in Using guided setup.

  • Page 11: Required Tools

    Torx T20 bit for locks and select CRU replacement Requirements for rackmount installation You can install the enclosure in an industry standard 19-inch cabinet capable of holding 2U form factors. Dell EMC PowerVault ME4 Series Owner's Manual for front and rear panel product views. NOTE: See the •...

  • Page 12: Drive Status Indicators

    Figure 3. Dual path LFF 3.5" drive carrier module Figure 4. Dual path SFF 2.5" drive carrier module Figure 5. 2.5" to 3.5" hybrid drive carrier adapter Drive status indicators Green and amber LEDs on the front of each drive carrier module indicate disk drive status. Blank drive carrier modules Blank drive carrier modules, also known as drive blanks, are provided in 3.5"...

  • Page 13: Ddic In A 5U Enclosure

    Figure 6. Blank drive carrier modules: 3.5" drive slot (left); 2.5" drive slot (right) DDIC in a 5U enclosure Each disk drive is installed in a DDIC that enables secure insertion of the disk drive into the drawer with the appropriate SAS carrier transition card.

  • Page 14: Populating Drawers With Ddics

    Figure 8. 2.5" drive in a 3.5" DDIC with a hybrid drive carrier adapter Populating drawers with DDICs The 5U84 enclosure does not ship with DDICs installed. Before populating drawers with DDICs, ensure that you adhere to the following guidelines: •...

  • Page 15: Mount The Enclosures In The Rack

    The rails have been designed and tested for the maximum enclosure weight. Multiple enclosures may be installed without loss of space in the rack. Use of other mounting hardware may cause some loss of rack space. Contact Dell EMC to ensure that suitable mounting rails are available for the rack you plan to use.

  • Page 16: Install The 2U Enclosure Front Bezel

    Figure 10. Secure brackets to the rail (left hand rail shown for 2U) 1. Front rack post (square hole) 2. Rail location pins (quantity 2 per rail) 3. Left rail 4. Rear rack post (square hole) 5. Clamping screw (B) 6.

  • Page 17: Connect Optional Expansion Enclosures

    Once the enclosure is installed in the rack, dispose of the lifting straps. The straps cannot be used to remove the enclosure from the rack. Reinsert the rear panel modules and install the DDICs into the drawers. See the instructions in the Dell EMC PowerVault ME4 Series Storage System Owner’s Manual.

  • Page 18: Cable Requirements For Expansion Enclosures

    • ME4 Series 2U controller enclosures support up to ten 2U enclosures (including the controller enclosure), or a maximum of 240 disk drives. • ME4 Series 5U controller enclosures support up to four 5U enclosures (including the controller enclosure), or a maximum of 336 disk drives.
  • Page 19 Figure 13. Cabling connections between a 2U controller enclosure and 2U expansion enclosures 1. Controller module A (0A) 2. Controller module B (0B) 3. IOM (1A) 4. IOM (1B) 5. IOM (2A) 6. IOM (2B) 7. IOM (3A) 8. IOM (3B) 9.
  • Page 20 Figure 15. Cabling connections between a 2U controller enclosure and 5U84 expansion enclosures 1. Controller module A (0A) 2. Controller module B (0B) 3. IOM (1A) 4. IOM (1B) 5. IOM (2A) 6. IOM (2B) 7. IOM (3A) 8. IOM (3B) Label the back-end cables Make sure to label the back-end SAS cables that connect the controller enclosure and the expansion enclosures.

  • Page 21: Connect To The Management Network

    2. Connect the other end of each Ethernet cable to a network that your management host can access, preferably on the same subnet. NOTE: If you connect the iSCSI and management ports to the same physical switches, Dell EMC recommends using separate VLANs.

  • Page 22: Cable Host Servers To The Storage System

    Another important cabling consideration is cabling controller enclosures to enable the replication feature. The FC and iSCSI product models support replication, but SAS product models do not support replication. See Cabling for replication. Use only Dell EMC cables for host connections: • Qualified 16 Gb FC SFP+ transceivers and cable options •...

  • Page 23: Fibre Channel Protocol

    The first option requires that the host computer must support FC and optionally, multipath I/O. Use the ME Storage Manager to set FC port speed and options. See the topic about configuring host ports in the Dell EMC PowerVault ME4 Series Storage System Administrator’s Guide. You can also use CLI commands to perform these actions: •...

  • Page 24: Sas Protocol

    Host server 2, Port 1 192.68.11.21 To enable CHAP, see the topic about configuring CHAP in the Dell EMC PowerVault ME4 Series Storage System Administrator’s Guide. SAS protocol ME4 Series SAS models use 12 Gb/s host interface protocol and qualified cable options for host connection.

  • Page 25: Host Connection

    FC SFP+ transceiver. For information about configuring HBAs, see the Fibre Channel topics under Attach host servers. Use the cabling diagrams to connect the host servers to the switches. See the Dell EMC Storage Support Matrix for supported Fibre Channel HBAs. •...

  • Page 26: Connecting Direct Attach Configurations

    Connecting direct attach configurations A dual-controller configuration improves application availability. If a controller failure occurs, the affected controller fails over to the healthy partner controller with little interruption to data flow. A failed controller can be replaced without the need to shut down the storage system. NOTE: In the following examples, a single diagram represents CNC, SAS, and 10Gbase-T host connections for ME4 Series controller enclosures.
  • Page 27 Figure 21. Connecting hosts: ME4 Series 5U direct attach – one server, one HBA, dual path 1. Server 2. Controller module in slot A 3. Controller module in slot B Figure 22. Connecting hosts: ME4 Series 2U direct attach – two servers, one HBA per server, dual path 1.
  • Page 28 About switch-attached configurations: • See the recommended switch-attached examples for host connection in the Setting Up Your Dell EMC PowerVault ME4 Series Storage System document that is provided with your controller enclosure. • Figure 18. Two subnet switch example (IPv4) for an example showing host port and controller port addressing on an IPv4 network.
  • Page 29 Figure 27. Connecting hosts: ME4 Series 5U switch-attached – two servers, two switches 1. Server 1 2. Server 2 3. Switch A 4. Switch B 5. Controller module A 6. Controller module B Label the front-end cables Make sure to label the front-end cables to identify the controller module and host interface port to which each cable connects. Cable host servers to the storage system...

  • Page 30: Connect Power Cables And Power On The Storage System

    Connect power cables and power on the storage system Before powering on the enclosure system, ensure that all modules are firmly seated in their correct slots. Verify that you have successfully completed the Installation checklist instructions. Once you have completed steps 1–7, you can access the management interfaces using your web-browser to complete the system setup.

  • Page 31: Testing Enclosure Connections

    Do not operate the enclosure system until the ambient temperature is within the specified operating range that is described in the system specifications section of the Dell EMC PowerVault ME4 Series Storage System Owner’s Manual . If the drive modules have been recently installed, ensure that they have had time to adjust to the environmental conditions before they are used with production data for I/O.

  • Page 32: Perform System And Storage Setup

    Perform system and storage setup Record storage system information Use the System Information Worksheet to record the information that you need to install the ME4 Series storage system. Using guided setup Upon completing the hardware installation, use ME Storage Manager to configure, provision, monitor, and manage the storage system. When first accessing the MESM, perform a firmware update before configuring your system.

  • Page 33: Update Firmware

    Navigate the options by clicking the tabs on the left side of the panel. Tabs with a red asterisk next to them are required. To apply and save changes, click Apply. To apply changes and close the panel, click Apply and Close. At a minimum, Dell EMC recommends that you change the following settings: •...
  • Page 34 Network tab—Configure controller network ports You can manually set static IP address parameters for network ports or you can specify that IP addresses be set automatically. IP addresses can be set automatically using DHCP for IPv4 or Auto for IPv6, which uses DHCPv6 and/or SLAAC. NOTE: If you used the default 10.0.0.2/10.0.0.3 addresses to access the guided setup, consider changing those IPv4 addresses to avoid an IP conflict if you have more than one ME4 Series array on your network.
  • Page 35 8. Sign out to use the new IP addresses to access the MESM. Notifications tab—Setting system notification settings Dell EMC recommends enabling at least one notification service to monitor the system. Send email notifications Perform the following steps to enable email notifications: 1.

  • Page 36: Configure Iscsi Ports

    FC ports to auto-negotiate the link speed or to use a specific link speed. iSCSI ports support use of qualified 10 Gb/s SFP transceivers. For information about setting host parameters such as FC port topology, and the host-port mode, see the Dell EMC PowerVault ME4 Series Storage System CLI Reference Guide.
  • Page 37 • Controller A port 2: 10.10.10.100 • Controller A port 3: 10.11.10.120 • Controller B port 2: 10.10.10.110 • Controller B port 3: 10.11.10.130 • Netmask: For IPv4, subnet mask for assigned port IP address. • Gateway: For IPv4, gateway IP address for assigned port IP address. •...
  • Page 38 Table 5. Port-specific options IP Address For IPv4 or IPv6, the port IP address. For corresponding ports in each controller, assign one port to one subnet and the other port to a second subnet. Ensure that each iSCSI host port in the storage system is assigned a different IP address.
  • Page 39 • Global, dedicated, and/or dynamic hot spares NOTE: Dell EMC recommends using virtual storage. NOTE: After you create a disk group using one storage type, the system will use that storage type for additional disk groups. To switch to the other storage type, you must first remove all disk groups.

  • Page 40: Perform Host Setup

    Refer to the Dell EMC Storage Support Matrix for a list of supported HBAs or iSCSI network adapters. • Configure only one host at a time. For more information, see the topics about initiators, hosts, and host groups, and attaching hosts and volumes in the Dell EMC PowerVault ME4 Series Storage System Administrator’s Guide. Windows hosts Ensure that the HBAs or network adapters are installed, the drivers are installed, and the latest supported BIOS and firmware are installed.
  • Page 41 Ensure that there is more than one connection to a volume for multipathing. b) Ensure that Dell EMC ME4 is not already listed in the Devices list on the MPIO Devices tab. 5. Click Add and click Yes to reboot the Windows server.

  • Page 42: Iscsi Host Server Configuration For Windows Server

    Format volumes on the Windows server Perform the following steps to format a volume on a Windows server: 1. Open Server Manager. 2. Select Tools > Computer Management. 3. Right-click on Disk Management and select Rescan Disks. 4. Right-click on the new disk and select Online. 5.
  • Page 43 1. Ensure that all network adapters have the latest supported firmware and drivers as described on Dell.com/support. NOTE: The Dell EMC PowerVault ME4 Series storage system supports only software iSCSI adapters. 2. Use the iSCSI cabling diagrams to connect the hosts to the storage system either by using switches or connecting the hosts directly to the storage system.
  • Page 44 Ensure that there is more than one connection to a volume for multipathing. b. Ensure that Dell EMC ME4 is not already listed in the Devices list on the MPIO Devices tab. 5. Click Add and click Yes to reboot the Windows server.

  • Page 45: Sas Host Server Configuration For Windows Server

    To add a volume, click Add Row. To remove a volume, click Remove. NOTE: Dell EMC recommends that you update the volume name with the hostname to better identify the volumes. 8. On the Summary page, review the host configuration settings, and click Configure Host.

  • Page 46: Linux Hosts

    1. Ensure that all HBAs have the latest supported firmware and driversas described on the Dell Support portal . For a list of supported standard FC HBAs, see the Dell EMC PowerVault ME4 Seriesstorage Matrix on the Dell website. For OEMs, contact your hardware provider.
  • Page 47 4. Run the multipath command to load storage devices along with the configuration file. 5. Run the multipath –l command to list the Dell EMC PowerVault ME4 Series storage devices as configured under DM Multipath. Create a file system on ME4 Series volumes...

  • Page 48: Iscsi Host Server Configuration For Linux

    5. Begin using the file system as any other directory to host applications or file services. 6. Repeat steps 1–5 for each provisioned volume in the ME Storage Manager. For example, to /dev/mapper/mpathb, correlating to sg block devices /dev/sdc and /dev/sde . iSCSI host server configuration for Linux The following sections describe how to configure iSCSI host servers running Linux: Prerequisites...
  • Page 49 NOTE: If using jumbo frames, they must be enabled and configured on all devices in the data path, adapter ports, switches, and storage system. For RHEL 7 1. From the server terminal or console, run the nmtui command to access the NIC configuration tool (NetworkManager TUI). 2.
  • Page 50 4. Run the multipath command to load storage devices in conjunction with the configuration file. 5. Run the multipath –l command to list the Dell EMC PowerVault ME4 Series storage devices as configured under DM Multipath. Create a file system on ME4 Series volumes...

  • Page 51: Sas Host Server Configuration For Linux

    1. Ensure that all HBAs have the latest supported firmware and drivers as described on the Dell Support web site. For a list of supported SAS HBAs, see the Dell EMC ME4 Series Storage System Support Matrix on the Dell Support web site.

  • Page 52: Vmware Esxi Hosts

    1. Ensure that all HBAs have the latest supported firmware and driversas described on the Dell Support portal . For a list of supported standard FC HBAs,see the Dell EMC ME4 Storage Matrix on the Dell website. For OEMs, contact your hardware provider.
  • Page 53 5. Scroll down to select the Edit Multipathing option, then select Round Robin (VMware) from the drop down list. 6. Click OK. 7. Follow Steps 4-6 for all volumes presented from the Dell EMC PowerVault ME4 Series Storage system to ESXi host. VMware Volume rescan and datastore creation Perform the following steps to rescan storage and create a datastore: 1.

  • Page 54: Iscsi Host Server Configuration For Vmware Esxi

    1. Ensure that all network adapters have the latest supported firmware and drivers as described on the Dell Support portal. NOTE: The Dell EMC PowerVault ME4 Series storage system supports only software iSCSI adapters. 2. Use the iSCSI cabling diagrams to cable the host servers either by using switches or attaching them directly to the storage system using one-to-one mode.
  • Page 55 Configuring the switches with two different IP address ranges/subnets enables high availability. Configure the VMware ESXi VMkernel Perform the following steps to configure the VMware ESXi VMkernel: 1. From the VMWare VSphere web client, click Configure > Networking > Physical adapters. 2.

  • Page 56: Sas Host Server Configuration For Vmware Esxi

    1. Ensure that all HBAs have the latest supported firmware and drivers as described on the Dell Support portal. For a list of supported standard SAS HBAs, see the Dell EMC ME4 Support Matrix on the Dell website. For OEMs, contact your hardware provider.
  • Page 57 SAS HBA that has a single path to both controllers. If the host has two SAS HBAs (for example, the host has two paths to each controller), Dell EMC recommends that you change the multipathing policy to Round Robin (VMware).

  • Page 58: Enable Multipathing On Iscsi Volumes

    5. Scroll down to select the Edit Multipathing option, then select Round Robin (VMware) from the drop-down list. 6. Click OK. 7. Repeat steps 4–6 for all the volumes that are presented from the Dell EMC PowerVault ME4 Series storage system to the ESXi host. Citrix XenServer hosts Ensure that the HBAs or network adapters are installed and the latest supported BIOS is installed.

  • Page 59: Troubleshooting And Problem Solving

    Troubleshooting and problem solving These procedures are intended to be used only during initial configuration for verifying that hardware setup is successful. They are not intended to be used as troubleshooting procedures for configured systems using production data and I/O. NOTE: For further troubleshooting help after setup, and when data is present, see Dell.com/support.

  • Page 60: 5U Enclosure Ops Panel

    Indicator Status Blinking blue (2 Hz): Enclosure management is busy Constant amber: module fault present Blinking amber: logical fault (2 s on, 1 s off) Unit identification display Green (seven-segment display: enclosure sequence) Identity Blinking blue (0.25 Hz): system ID locator is activated Off: Normal state System power LED (green) LED displays green when system power is available.

  • Page 61: Initial Start-Up Problems

    The following procedure applies to ME4 Series controller enclosures employing external connectors in the host interface ports: 1. Stop all I/O to the storage system. See “Stopping I/O” in the Dell EMC PowerVault ME4 Series Storage System Owner’s Manual. Troubleshooting and problem solving...
  • Page 62 Do not perform more than one step at a time. Changing more than one variable at a time can complicate the troubleshooting process. 1. Stop all I/O to the storage system. See “Stopping I/O” in the Dell EMC PowerVault ME4 Series Storage System Owner’s Manual. 2. Check the host activity LED.

  • Page 63: 2U Enclosure Leds

    This step isolates the problem to the expansion cable or to the controller module expansion port. Is the expansion port status LED on? Yes – You now know that the expansion cable is good. Return the cable to the original port. If the expansion port status LED remains off, you have isolated the fault to the controller module expansion port.

  • Page 64: Enclosure Leds

    Check the event log for specific information regarding the fault, and follow any Recommended Actions. • If installing a controller module or IOM CRU: • Remove and reinstall the controller module or IOM per the Dell EMC PowerVault ME4 Series Storage System Owner’s Manual. • Check the event log for errors. •...

  • Page 65: Psu Leds

    Status/description Module OK Constant green indicates that the FCM is working correctly. Off indicates that the fan module has failed. Follow the procedure in “Replacing an FCM” in the Dell EMC PowerVault ME4 Series Storage System Owner’s Manual. Fan Fault Amber indicates that the fan module has failed.
  • Page 66 Amber if a drawer component has failed. If the failed component is a disk, the LED on the failed DDIC lights amber. Follow the procedure in “Replacing a DDIC” in the Dell EMC PowerVault ME4 Series Storage System Owner’s Manual. If the disks are OK, contact your service provider to identify the cause of the failure, and resolve the problem.

  • Page 67: Module Leds

    External host port Status (Amber) activity (Green) Controller module OK IOM module fault – see “Replacing an IOM” in the Dell EMC PowerVault ME4 Series Storage System Owner’s Manual No external host port connection HD mini-SAS port connection – no activity Blinking HD mini-SAS port connection –...

  • Page 68: Troubleshooting 2U Enclosures

    Insufficient power available Warning None For details about replacing modules, see the Dell EMC PowerVault ME4 Series Storage System Owner’s Manual. NOTE: Use the ME Storage Manager to monitor the storage system event logs for information about enclosure-related events, and to determine any necessary recommended actions.

  • Page 69: Troubleshooting 5U Enclosures

    See the technical specifications in the enclosure. Dell EMC PowerVault ME4 Series Storage System Owner’s 2. Fan Fail LED is illuminated on Manual. one or more PCMs. 2. Check the installation for any airflow restrictions at either the front or back of the enclosure.

  • Page 70: Fault Isolation Methodology

    Fault – critical – loss of drive power Insufficient power available Warning For details about replacing modules, see the Dell EMC PowerVault ME4 Series Storage System Owner’s Manual. NOTE: Use the ME Storage Manager to monitor the storage system event logs for information about enclosure-related events, and to determine any necessary recommended actions.

  • Page 71: Options Available For Performing Basic Steps

    Options available for performing basic steps When performing fault isolation and troubleshooting steps, select the option or options that best suit your site environment. Use of any option is not mutually exclusive to the use of another option. You can use the ME Storage Manager to check the health icons/ values for the system, or to examine a problem component.

  • Page 72: If The Enclosure Does Not Initialize

    When troubleshooting disk drive and connectivity faults, stop I/O to the affected disk groups from all hosts as a data protection precaution. As an extra data protection precaution, it is helpful to conduct regularly scheduled backups of your data. See “Stopping I/O” in the Dell EMC PowerVault ME4 Series Storage System Owner’s Manual. Troubleshooting and problem solving...

  • Page 73: Dealing With Hardware Faults

    When experiencing difficulty diagnosing performance problems, consider swapping out one SFP+ transceiver at a time to see if performance improves. 1. Stop all I/O to the storage system. See “Stopping I/O” in the Dell EMC PowerVault ME4 Series Storage System Owner’s Manual. 2. Check the host link status/link activity LED.
  • Page 74 The external connectors include 10Gbase-T connectors in iSCSI host ports and 12 Gb SFF-8644 connectors in the HD mini-SAS host ports. 1. Halt all I/O to the storage system. See “Stopping I/O” in the Dell EMC PowerVault ME4 Series Storage System Owner’s Manual. 2. Check the host activity LED.

  • Page 75: Isolating A Controller Module Expansion Port Connection Fault

    Do not perform more than one step at a time. Changing more than one variable at a time can complicate the troubleshooting process. 1. Halt all I/O to the storage system. See “Stopping I/O” in the Dell EMC PowerVault ME4 Series Storage System Owner’s Manual. 2. Check the host activity LED.

  • Page 76: A Cabling For Replication

    Cabling for replication Connecting two storage systems to replicate volumes The replication feature performs asynchronous replication of block-level data from a volume in a primary system to a volume in a secondary system. Replication creates an internal snapshot of the primary volume, and copies the changes to the data since the last replication to the secondary system using FC or iSCSI links.

  • Page 77: Example Cabling For Replication

    Blue cables show I/O traffic and green cables show replication traffic. Once the CNC-based systems or 10Gbase-T systems are physically cabled, see the Dell EMC PowerVault ME4 Series Storage System Administrator’s Guide or online help for information about configuring, provisioning, and using the replication feature.
  • Page 78 Figure 35. Connecting two ME4 Series 2U storage systems for replication – multiple servers, one switch, and one network 1. 2U controller enclosures 2. Switch (I/O, replication) 3. Connection to host servers Figure 36. Connecting two ME4 Series 5U storage systems for replication – multiple servers, one switch, and one network 1.
  • Page 79 Figure 38. Connecting two ME4 Series 5U storage systems for replication – multiple servers, multiple switches, one network 1. 5U controller enclosures 2. Two switches (I/O) 3. Connection to host servers 4. Switch (Replication) Multiple servers, multiple switches, and two networks Figure 39.

  • Page 80: Isolating Replication Faults

    Basic information for enabling the ME4 Series Storage System controller enclosures for replication supplements the troubleshooting procedures that follow. • Familiarize yourself with replication content provided in the Dell EMC PowerVault ME4 Series Series Storage System Administrator’s Guide. • For virtual replication, perform the following steps to replicate an existing volume to a pool on the peer in the primary system or secondary system: 1.

  • Page 81: Diagnostic Steps For Replication Setup

    • See the Dell EMC PowerVault ME4 Series Series Storage System Administrator’s Guide for procedures to set up and manage replications. Dell EMC PowerVault ME4 Series Series Storage System CLI Guide for replication commands and syntax. •...
  • Page 82 • Replications that enter the suspended state can be resumed manually (see the Dell EMC PowerVault ME4 Series Storage System Administrator’s Guide for additional information). Communication link is down. Review event logs for indicators of a specific fault in a host or replication data path component.

  • Page 83: B Sfp+ Transceiver For Fc/Iscsi Ports

    SFP+ transceiver for FC/iSCSI ports This section describes how to install the small form-factor pluggable (SFP+) transceivers ordered with the ME4 Series FC/iSCSI controller module. Locate the SFP+ transceivers Locate the SFP+ transceivers that shipped with the controller enclosure, which look similar to the generic SFP+ transceiver that is shown in the following figure: Figure 41.
  • Page 84 6. Connect a qualified fiber-optic interface cable into the duplex jack of the SFP+ transceiver. If you do not plan to use the SFP+ transceiver immediately, reinsert the plug into the duplex jack of SFP+ transceiver to keep its optics free of dust.

  • Page 85: C System Information Worksheet

    For a storage system with iSCSI front-end ports, plan and record network information for the iSCSI network. NOTE: For a storage system deployed with two Ethernet switches, Dell EMC recommends setting up separate subnets. Table 28. iSCSI Subnet 1 Item...
  • Page 86 Item Information IPv4 address for storage controller module A: port 2 _____ . _____ . _____ . _____ IPv4 address for storage controller module B: port 2 _____ . _____ . _____ . _____ Table 29. iSCSI Subnet 2 Item Information Subnet mask _____ .
  • Page 87 Table 32. WWNs in fabric 2 Item FC switch port Information WWN of storage controller A: port 1 WWN of storage controller B: port 1 WWN of storage controller A: port 3 WWN of storage controller B: port 3 System Information Worksheet...

  • Page 88: D Setting Network Port Ip Addresses Using The Cli Port And Serial Cable

    Setting network port IP addresses using the CLI port and serial cable You can manually change the default static IP values for each controller. You can also specify that IP values should be set automatically for both controllers through communication with a Dynamic Host Configuration Protocol (DHCP) server. Network ports on controller module A and controller module B are configured with the following default values: •...
  • Page 89 • On Linux a computer, enter the command syntax that is provided in Linux drivers. 5. Start a terminal emulator and configure it to use the display settings in Table 33. Terminal emulator display settings and the connection settings in Table 34.

  • Page 90: Mini-Usb Device Connection

    For example: set network-parameters ip 192.168.0.10 netmask 255.255.255.0 gateway 192.168.0.1 controller a set network-parameters ip 192.168.0.11 netmask 255.255.255.0 gateway 192.168.0.1 controller b 11. Enter the following CLI command to verify the new IP addresses: show network-parameters Network parameters, including the IP address, subnet mask, and gateway address are displayed for each controller. 12.

  • Page 91: Microsoft Windows Drivers

    Dell.com/support and search for ME4 Series USB driver. 2. Download the ME4 Series Storage Array USB Utility file from the Dell EMC support site. 3. Follow the instructions on the download page to install the ME4 Series USB driver. Known issues with the CLI port and mini-USB cable on Microsoft...

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