Page 3 - Table of Contents
iii Table of Contents Preface .................................................................................................................. v Audience .......................................................................................................... vOrganization ..........................
Page 5 - Preface; Audience; not; Organization; Basic Storage Array Information
v Preface This manual describes how to maintain the hardware for PS4000 storage arrays. Each array contains hot-swappable power supply and cooling modules, eight or sixteen RAID-protected disks, and single or dual hot-swappable control modules. With one or more PS Series arrays, you can create a PS ...
Page 6 - Documentation
PS4000 Hardware Maintenance Preface vi • Chapter 4, Maintaining Power Supply Modules , describes how to install and remove the modules that provide power and cooling to the array. • Appendix A, Environmental, Power, and Other Specifications , describes the specifications for a PS4000 array. Document...
Page 7 - Technical Support and Customer Service; Contacting Dell; available in your area.; on the left side of the window.; Online Services
PS4000 Hardware Maintenance Preface vii Technical Support and Customer Service Dell’s support service is available to answer your questions about PS Series arrays. If you have an Express Service Code, have it ready when you call. The code helps Dell’s automated-support telephone system direct your c...
Page 8 - Warranty Information; registering a warranty, visit
PS4000 Hardware Maintenance Preface viii • www.dell.com/la (Latin American countries) • www.dell.ca (Canada only) You can access Dell Support through the following websites:• support.dell.com • support.dell.com/EqualLogic • support.jp.dell.com (Japan only) • support.euro.dell.com ( Europe only) Warr...
Page 9 - Basic Storage Array Information; Array Front and Back Panels; The front of a PS4000 array is shown in Figure 1-1 and Figure 1-2.
1–1 1 Basic Storage Array Information This chapter includes basic information about PS4000 storage arrays. Array Front and Back Panels The front of a PS4000 array is shown in Figure 1-1 and Figure 1-2. Figure 1-1: PS4000 Front Panel (with Bezel) Figure 1-2: PS4000 Front Panel (without Bezel) The dis...
Page 10 - Interpreting Operations Panel LEDs; provider for information about servicing the operations panel.; Item
PS4000 Hardware Maintenance Basic Array Information 1–2 Figure 1-3: PS4000 Back Panel Interpreting Operations Panel LEDs The operations panel monitors array hardware components. The panel is not redundant, but an array can continue to operate if it fails. See your array support provider for informat...
Page 11 - For information about other array LEDs, see
PS4000 Hardware Maintenance Basic Array Information 1–3 For information about other array LEDs, see Interpreting Disk Drive LEDs on page 2-3, Interpreting Control Module LEDs on page 3-2, and Interpreting the LEDs on page 4-1. Figure 1-4: Operations Panel Table 1-2: Operations Panel Descriptions Ite...
Page 13 - Using an Electrostatic Wrist Strap; and control modules (in a dual control module array). You can remove a
PS4000 Hardware Maintenance Basic Array Information 1–5 Using an Electrostatic Wrist Strap When handling the array chassis, disk drives, or control modules, you must use an electrostatic protection device to prevent electrostatic discharge. An electrostatic wrist strap is included in the shipping bo...
Page 14 - grpadmin; shutdown
PS4000 Hardware Maintenance Basic Array Information 1–6 • Use the null modem cable shipped with the array to connect to Serial Port 0 on the active control module (ACT LED is green) to a console or a computer running a terminal emulator. Make sure the serial line characteristics are as follows: - 96...
Page 15 - Maintaining Disk Drives; SAS and SATA disk drives.; Removing the Bezel; To access the disk drives, you must remove the bezel.
2–1 2 Maintaining Disk Drives The array includes up to 16 hot-swappable disk drives, either Serial Attached SCSI (SAS) or Serial ATA (SATA). Disk drive maintenance topics apply to both SAS and SATA disk drives. Removing the Bezel To access the disk drives, you must remove the bezel. The bezel comes ...
Page 16 - Figure 2-2: Pushing Up the Bezel Release Latch
PS4000 Hardware Maintenance Maintaining Disks 2–2 Figure 2-2: Pushing Up the Bezel Release Latch 3. Hold the bezel and pull it away from the chassis. See Figure 2-3. Figure 2-3: Detaching the Bezel from the Chassis
Page 17 - Interpreting Disk Drive LEDs; Table 2-1: Disk Drive Detail Descriptions; Callout
PS4000 Hardware Maintenance Maintaining Disks 2–3 Interpreting Disk Drive LEDs Figure 2-4 shows how disk drives are oriented and numbered in the array. Figure 2-4: Disk Drive Numbering The parts of a disk drive are shown in Figure 2-5 and described in Table 2-1. Figure 2-5: Disk Drive Detail Table 2...
Page 18 - Disk Drive Handling Requirements
PS4000 Hardware Maintenance Maintaining Disks 2–4 Disk Drive Handling Requirements Handle disk drives as follows: • Store drives properly. Store replacement disk drives in the packaging in which they were shipped. Do not stack disk drives or place anything on top of a disk drive. • Protect disk driv...
Page 19 - Array Behavior When a Disk Drive Fails; Using
PS4000 Hardware Maintenance Maintaining Disks 2–5 • The GUI Member Disks window or the CLI member select show disks command shows a disk drive failure. Array Behavior When a Disk Drive Fails How an array handles a disk drive failure depends on whether a spare disk drive is available and whether the ...
Page 20 - To remove a disk drive:
PS4000 Hardware Maintenance Maintaining Disks 2–6 To remove a disk drive: 1. Press the handle release button to the left, in the direction of the arrow, to disangage the handle. 2. Grasp the handle and pull the disk drive 2.5 cm (1 inch) from the slot. See Figure 2-6. Figure 2-6: Removing a Disk Dri...
Page 21 - Disk Drive Installation Guidelines and Restrictions; Installing Disk Drives
PS4000 Hardware Maintenance Maintaining Disks 2–7 Disk Drive Installation Guidelines and Restrictions • Install only disk drives of the same type, speed, and spin rate in an array. The color of the handle release button indicates the disk drive type (black for SAS; gray for SATA). • Make sure the di...
Page 22 - Figure 2-7: Closing the Disk Drive Handle; panel, as described in; Installing the Bezel
PS4000 Hardware Maintenance Maintaining Disks 2–8 2. Press the handle release button to release the handle. Open the handle. 3. With the handle at an angle, slide the disk drive completely into the slot, simultaneously pushing in the handle until you hear a click. See Figure 2-7. Figure 2-7: Closing...
Page 25 - Maintaining Control Modules; Control Modules; Each control module includes:
3–1 3 Maintaining Control Modules A PS4000 array includes one or two hot-swappable control modules. One functioning control module is required for array operation. You access control modules from the rear of the array. Control Modules A PS4000 array includes either two Type 8 or two Type 9 control m...
Page 26 - Interpreting Control Module LEDs; Table 3-1: Control Module LED Descriptions; LED Location
PS4000 Hardware Maintenance Maintaining Control Modules 3–2 module. If the active control module fails, the secondary will take over network operations. Do not mix control module types in an array. Always make sure both control modules are the same type and color. See the latest PS Series Release No...
Page 27 - Identifying Control Module Failures; Group Manager GUI and CLI output.; Understanding Failover Behavior; Table 3-2: Ethernet Port LED Descriptions
PS4000 Hardware Maintenance Maintaining Control Modules 3–3 Identifying Control Module Failures You can identify a failure in a control module by: • LEDs. See Interpreting Control Module LEDs on page 3-2. • Messages. A message on the LCD panel (located behind the bezel), on the console, in the event...
Page 28 - Network connection failover.; Maintaining Control Module Firmware; Release Notes
PS4000 Hardware Maintenance Maintaining Control Modules 3–4 A PS series array provides two types of network failure protection: • Network connection failover. If multiple network interfaces are configured and one network interface fails, iSCSI initiators that were connected to the failed interface c...
Page 29 - Network Configuration Recommendations; Recommendation
PS4000 Hardware Maintenance Maintaining Control Modules 3–5 Network Configuration Recommendations Dell recommends that you follow the guidelines in Table 3-3. In addition, all the usual rules for proper network configuration apply to group members. General network configuration is beyond the scope o...
Page 30 - Connecting Network Cables
PS4000 Hardware Maintenance Maintaining Control Modules 3–6 Connecting Network Cables A PS4000 array must have at least one active network connection. Multiple network connections are recommended for performance and availability. No STP functionality on switch ports that connect end nodes If possibl...
Page 31 - Connect cables to network interfaces as follows:; Figure 3-3: Recommended Single Control Module Configuration
PS4000 Hardware Maintenance Maintaining Control Modules 3–7 Connect cables to network interfaces as follows: • For copper-based networks, use Category 5E or Category 6 cables with RJ45 connectors. Use Category 5 cables if they meet the TIA/EIA TSB95 standard. • Connect the interfaces in numeric orde...
Page 32 - Figure 3-4: Minimum Network Configuration
PS4000 Hardware Maintenance Maintaining Control Modules 3–8 example, if the network cable connected to the active control module is disconnected). Figure 3-4 shows the minimum network configuration for a dual control module array. Cables are connected to Ethernet 0 on both control modules. Figure 3-...
Page 33 - Figure 3-5: Recommended Network Configuration; Control Module Handling Requirements; Protect control modules from electrostatic discharge.; Do not leave a control module slot empty.; Removing a Control Module
PS4000 Hardware Maintenance Maintaining Control Modules 3–9 Figure 3-5: Recommended Network Configuration Control Module Handling Requirements Follow these control module handling requirements: • Protect control modules from electrostatic discharge. Always wear an electrostatic wrist strap when hand...
Page 34 - Shutting Down and Restarting an Array
PS4000 Hardware Maintenance Maintaining Control Modules 3–10 You may need to temporarily remove a control module to replace its compact flash or micro SD card. Notes: For proper cooling, do not leave a control module slot empty. If an array will operate for a long time with only one control module, ...
Page 35 - Figure 3-6: Opening a Control Module Latch
PS4000 Hardware Maintenance Maintaining Control Modules 3–11 Figure 3-6: Opening a Control Module Latch 2. Hold the latches and carefully slide the control module from the slot. See Figure 3-7.
Page 36 - Replacing a Compact Flash Card
PS4000 Hardware Maintenance Maintaining Control Modules 3–12 Figure 3-7: Removing a Control Module 3. Place the control module on a flat surface where it will be protected from electrostatic charge. Caution: To avoid damage, do not place anything on top of the control module. 4. If you are replacing...
Page 37 - Installing a Control Module; Figure 3-8: Correct Control Module Orientation
PS4000 Hardware Maintenance Maintaining Control Modules 3–13 Return the failed control module in the packaging in which the replacement module was shipped. Contact your PS Series support provider for information about returning hardware. Installing a Control Module You can install a control module w...
Page 39 - Replacing the Firmware Card
PS4000 Hardware Maintenance Maintaining Control Modules 3–15 charged, as soon as the battery status is good/charging , you can temporarily disable the low-battery-safe policy and force the array to operate in write-back mode. Make sure to re-enable the low-battery-safe policy when the battery is ful...
Page 40 - on the card is pointing towards the connector. See Figure 3-11.
PS4000 Hardware Maintenance Maintaining Control Modules 3–16 Replacing a Compact Flash Card 1. Firmly grasp the sides of the card and slide it from the connector. Make sure not to damage the card or the control module circuit board. See Figure 3-10. Figure 3-10: Removing a Compact Flash Card 2. To i...
Page 41 - Figure 3-11: Inserting a Compact Flash Card; Firmly press the compact flash card into place.
PS4000 Hardware Maintenance Maintaining Control Modules 3–17 Figure 3-11: Inserting a Compact Flash Card 3. Firmly press the compact flash card into place. 4. Install the control module. See Installing a Control Module on page 3-13.
Page 42 - Replacing a Micro SD Card; Gently pull the card straight out of the housing.
PS4000 Hardware Maintenance Maintaining Control Modules 3–18 Replacing a Micro SD Card 1. Firmly push the card into its housing to release the spring mechanism (Figure 3-12). The micro SD card will be partially ejected from the housing. Figure 3-12: Ejecting the Micro SD Card 2. Gently pull the card...
Page 45 - Maintaining Power Supply Modules; Use the power supply and cooling module LEDs, shown in Figure 4-1 and; Figure 4-1: Power Supply and Cooling Module LEDs; Identifying Failures; LEDs; Interpreting the LEDs; Table 4-1: Power Supply and Cooling Module LEDs; LED
4–1 4 Maintaining Power Supply Modules The array includes two hot-swappable, combination power supply and cooling modules. Interpreting the LEDs Use the power supply and cooling module LEDs, shown in Figure 4-1 and described in Table 4-1, to determine the module status and identify problems. The pow...
Page 46 - Removing a Power Supply and Cooling Module
PS4000 Hardware Maintenance Maintaining Power Supply Modules 4–2 • Group Manager GUI and CLI output. The GUI Member Enclosure window or the CLI member select show enclosure command shows a power supply and cooling module failure. Note: When viewing the rear of the array, power supply 0 is on the rig...
Page 47 - The module is heavy support it with two hands.; Figure 4-3: Removing a Power Supply and Cooling Module
PS4000 Hardware Maintenance Maintaining Power Supply Modules 4–3 Figure 4-2: Releasing the Handle 4. Hold the handle and pull the module from the slot. See Figure 4-3. Caution: The module is heavy; support it with two hands. Figure 4-3: Removing a Power Supply and Cooling Module
Page 48 - Installing a Power Supply and Cooling Module; Figure 4-4: Installing a Power Supply and Cooling Module; with a power cable, use this cable to meet safety requirements.
PS4000 Hardware Maintenance Maintaining Power Supply Modules 4–4 Installing a Power Supply and Cooling Module Caution: The module is heavy; support it with two hands. To install a power supply and cooling module in an array: 1. Attach an electrostatic wrist strap, as described in Using an Electrosta...
Page 49 - attach it to the socket.; Figure 4-5: Using the Cable Strain Relief; Also, examine the GUI Member Enclosure window or run the CLI; command. Make sure the status is; After installing a power supply and cooling module, wait until the
PS4000 Hardware Maintenance Maintaining Power Supply Modules 4–5 6. Use the cable strain relief to secure the power cable to the array, as shown in Figure 4-5. Note: If you need to reverse the cable strain relief wire for your power cable configuration, press the wire ends together as shown in Figur...
Page 50 - module initialization can take from one to ten seconds. When
PS4000 Hardware Maintenance Maintaining Power Supply Modules 4–6 module initialization can take from one to ten seconds. When complete, the power LED is green and an event message states that fans have returned to their normal speed.
Page 51 - A Environmental, Power, and Other Specifications; Component
A–1 A Environmental, Power, and Other Specifications Table A-2 describes the environmental, power, and physical specifications for a PS4000 array. Table A-2: PS4000 Array Specifications Component Requirement Weight of fully-loaded array 35 kg (77.6 lb) Operating temperature 5 to 35 °C (41 to 95 °F) ...
Page 53 - Index
Index-1 Index A array back panel 1-2 batteries 3-1 control module restriction 3-13 control modules 3-1 cooling 4-1 disk types 2-3 environmental requirements A-1 failure indications 1-2 fans 4-1 firmware 3-4 front panel 1-1 LEDs 1-2, 2-3, 3-2, 4-1 minimum network configuration 3-6 network connection ...
