Page 3 - iii; Table of Contents
iii Table of Contents 1 Basic Storage Array Information ............................................................................................................ 1 Notes, Cautions, and Warnings ..........................................................................................................
Page 7 - Basic Storage Array Information; NOTE; Recommended Tools; Protecting Hardware; Figure 1; Figure 1 Using an Electrostatic Wrist Strap
1 1 Basic Storage Array Information This chapter includes information about the location and basic operation of the replaceable components in a storage array, tools and equipment you will need, protecting hardware from electrostatic discharge, and power on and off operations. Notes, Cautions, and Wa...
Page 8 - The Bezel; Removing the Bezel; Installing the Bezel
PS4100 Hardware Maintenance Guide Basic Storage Array Information 2 3. Connect the banana plug to ground, or attach the plug to the alligator clip and connect the clip to a grounded device such as an ESD mat or the metal frame of a grounded piece of equipment. Chassis Types The PS4100 array is avail...
Page 9 - Figure 2 Installing the Bezel; Front-Panel Features and Indicators; The front of a PS4100, without the bezel, is shown in
PS4100 Hardware Maintenance Guide Basic Storage Array Information 3 Figure 2 Installing the Bezel Front-Panel Features and Indicators The front of a PS4100, without the bezel, is shown in Figure 3 and Figure 4 . Table 1 describes the front panel features. Figure 3 Front Panel Features and Indicators...
Page 10 - Table 1 Front Panel Feature Descriptions; Back-Panel Features and Indicators; Figure 5; Figure 5 Back-Panel Features; Group Administration
PS4100 Hardware Maintenance Guide Basic Storage Array Information 4 Table 1 Front Panel Feature Descriptions Note: The LEDs are part of a built-in chassis control panel that is not hot-swappable and can be replaced only by support personnel. During the array power-up sequence, these LEDs will cycle ...
Page 11 - Table 2 Array Back Panel Features; Shutting Down and Restarting an Array; Power Supply LEDs on page
PS4100 Hardware Maintenance Guide Basic Storage Array Information 5 Table 2 Array Back Panel Features Shutting Down and Restarting an Array A PS Series array includes redundant, hot-swappable drives, power supplies, and control modules (in a dual control module array). You can remove a redundant com...
Page 12 - the member and volumes will be set online.
PS4100 Hardware Maintenance Guide Basic Storage Array Information 6 3. Enter the shutdown command, as shown next. If you are using a serial connection to shut down an array, it is safe to turn off power when the “press any key” message appears. (Pressing any key will restart both control modules.) I...
Page 13 - Maintaining Drives; About Drive Types; Table 3; Interpreting Drive LEDs; Figure 6
7 2 Maintaining Drives You can replace a failed drive while the array remains running. About Drive Types Depending on your configuration, your array supports up to 24 2.5-inch SAS drives or up to 12 3.5-inch SAS drives in internal drive bays. Drives are connected to a backplane through drive carrier...
Page 14 - Table 4 Drive LED States; Array Behavior When a Drive Fails; set containing the failed drive is degraded.
PS4100 Hardware Maintenance Guide Maintaining Drives 8 Figure 6 LEDs on 3.5-inch Drives Figure 7 LEDs on 2.5-inch Drives Table 4 Drive LED States Array Behavior When a Drive Fails How an array handles a drive failure depends on whether a spare drive is available and whether the RAID set containing t...
Page 15 - Drive Handling Requirements; Protecting Hardware on page 1; Drive Installation Guidelines and Restrictions; Front-Panel Features
PS4100 Hardware Maintenance Guide Maintaining Drives 9 • If a spare drive is not available and the failed drive is in a RAID set that is already degraded, data may be lost and must be recovered from a backup. • If a drive fails, replace it. Do not re-install it in the array. Drive Handling Requireme...
Page 18 - Removing the Bezel on page 2
PS4100 Hardware Maintenance Guide Maintaining Drives 12 4. Push the drive completely into the slot (callout 2). The drive handle will begin to close onto the drive (callout 3). 5. Push in the handle until you hear a click (callout 4). Figure 9 Installing a 2.5-inch Drive Verify that the new drive is...
Page 20 - Installing a Drive Blank
PS4100 Hardware Maintenance Guide Maintaining Drives 14 4. Push the drive completely into the slot (callout 2). The drive handle will begin to close onto the drive (callout 3). 5. Push in the handle until you hear a click (callout 4). Figure 11 Installing a 3.5-inch Drive Verify that the new drive i...
Page 21 - Removing a Drive Blank; Figure 12 Removing and Installing a 3.5-Inch Hard-Drive Blank; Drive blank
PS4100 Hardware Maintenance Guide Maintaining Drives 15 Removing a Drive Blank Warning: To maintain proper system cooling, all empty drive bays must have drive blanks installed. 1. Remove the bezel. See Removing the Bezel on page 2 . 2. Press the release tab and slide the drive blank out until it is...
Page 23 - Maintaining Control Modules; Control Module Features; About the Standby On/Off Button on page 21; About Control Module Configurations
17 3 Maintaining Control Modules Different PS Series array models contain different control module types. The combination of chassis type, control module pair, and drives determines the PS Series array model number. The control modules in a PS Series array contain the PS Series firmware which provid...
Page 24 - Single Controller Configuration; Interpreting Control Module LEDs; Control modules have the following LEDs:; Figure 14 Control Module LEDs
PS4100 Hardware Maintenance Guide Maintaining Control Modules 18 Single Controller Configuration A single control module is a single point of failure. If the control module fails, the entire array (and all the volumes on it) becomes unavailable. Dell strongly recommends buying an array with two cont...
Page 25 - Identifying Control Module Failures; LEDs; Interpreting Control Module LEDs on page 18; Messages; Features and Indicators on page 3; Understanding Failover Behavior; Off
PS4100 Hardware Maintenance Guide Maintaining Control Modules 19 Table 5 Ethernet and Management Port LED Descriptions Table 6 Control Module Status LED Descriptions Identifying Control Module Failures You can identify a failure in a control module by: • LEDs on the control module itself. See Interp...
Page 26 - Maintaining Control Module Firmware; Release Notes; Control Module Handling Requirements; Protect control modules from electrostatic discharge.
PS4100 Hardware Maintenance Guide Maintaining Control Modules 20 Note: The management ports on the control modules do not fail over if one control module fails. Therefore, if you are using a dedicated management network, make sure the management ports on both control modules are connected to the man...
Page 27 - About the Standby On/Off Button; Figure 15 Standby Button Location
PS4100 Hardware Maintenance Guide Maintaining Control Modules 21 • Do not leave a control module slot empty. In an array with one control module, always attach a blank face plate to the empty control module slot. • Store control modules properly. Store a control module in its original packaging or i...
Page 28 - Replacing a Control Module; Shutting; Removing a Control Module
PS4100 Hardware Maintenance Guide Maintaining Control Modules 22 All operations on the member are suspended, there is no I/O activity to or from the member, and the member's firmware is not running. Use the Standby On/Off button only when you need to quickly shut down an array and you may not have a...
Page 29 - Figure 16 Removing a Control Module; Replacing the MicroSD Card on page 24; Installing a Control Module; Figure 17 Correct Control Module Orientation
PS4100 Hardware Maintenance Guide Maintaining Control Modules 23 2. Holding the orange button down, swing the black release latch towards you. This starts to eject the control module from the array. Figure 16 Removing a Control Module 3. Place the control module on a flat surface where it will be pr...
Page 30 - Figure 18 Installing a Control Module; Replacing the MicroSD Card
PS4100 Hardware Maintenance Guide Maintaining Control Modules 24 2. Push down on the orange release tab and swing the black lever out. 3. Slide the control module into the chassis until you feel resistance. Figure 18 Installing a Control Module 4. Rotate the black lever inward, which pushes the cont...
Page 31 - Removing the MicroSD Card; Figure 19 Ejecting the MicroSD Card
PS4100 Hardware Maintenance Guide Maintaining Control Modules 25 Before replacing a microSD card: • Attach an electrostatic wrist strap, as described in Protecting Hardware on page 1 . • See Replacing a Control Module on page 22 for instructions on removing a control module. Removing the MicroSD Car...
Page 32 - Inserting the MicroSD Card; Figure 20 Inserting the MicroSD Card; Install the control module in the array. See; Advanced Networking Options
PS4100 Hardware Maintenance Guide Maintaining Control Modules 26 Inserting the MicroSD Card 1. Align the replacement microSD card so the arrow on the card points towards the housing ( Figure 20 ). 2. Firmly press the card into the housing until it clicks into place. Make sure you cannot pull it out....
Page 33 - Configuring the Management Port; Hardware Steps; is separate from the subnets for iSCSI traffic.; Software Steps; See the
PS4100 Hardware Maintenance Guide Maintaining Control Modules 27 Configuring the Management Port Configuring the 10/100Mbps management port involves hardware steps and software steps. The management port is restricted to group management traffic only; it will not carry iSCSI I/O. Note: This is consi...
Page 35 - See; Figure 21 700W Power Supply LEDs
29 4 Maintaining Power Supply and Cooling Modules The array can support two hot-swappable power supply and cooling modules. The array can operate only temporarily with one module, but both modules must be present for long-term cooling of the array. About AC Power Supplies The PS Series array receive...
Page 36 - Table 7 Power Supply LED Descriptions; Removing a Power Supply and Cooling Module; Amber; Green; Caution; Shutting Down and
PS4100 Hardware Maintenance Guide Maintaining Power Supply and Cooling Modules 30 Table 7 Power Supply LED Descriptions Under normal conditions, the AC and DC power LEDs will be lit at the same time. Removing a Power Supply and Cooling Module If a power supply and cooling module fails, you must repl...
Page 37 - Figure 22 Removing a Power Supply and Cooling Module; Installing a Power Supply and Cooling Module; clicks into place. See
PS4100 Hardware Maintenance Guide Maintaining Power Supply and Cooling Modules 31 5. Pull the module from the slot. See Figure 22 . Caution: The module is heavy; support it with two hands. Figure 22 Removing a Power Supply and Cooling Module Installing a Power Supply and Cooling Module 1. Hold the p...
Page 38 - Figure 23 Inserting a Power Supply and Cooling Module; Make sure the power switch is in the OFF position.
PS4100 Hardware Maintenance Guide Maintaining Power Supply and Cooling Modules 32 Figure 23 Inserting a Power Supply and Cooling Module 3. Make sure the power switch is in the OFF position. 4. Connect the power cable to the power supply and cooling module and plug the cable into a power outlet. Note...
Page 39 - Figure 24 : Securing the Power Cable; Turn on the switches on the power supply and cooling module.
PS4100 Hardware Maintenance Guide Maintaining Power Supply and Cooling Modules 33 Figure 24 : Securing the Power Cable 6. Turn on the switches on the power supply and cooling module.
Page 41 - Troubleshooting Your Array; Safety First—For You and Your array; system direct your call more efficiently.; Contacting Dell; and product, and some services might not be available in your area.; on the left side of the window.; Determining Service Tag Information
35 5 Troubleshooting Your Array Safety First—For You and Your array Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or telephone service and support t...
Page 43 - Troubleshooting Array Cooling Problems; Installation and; Troubleshooting Control Modules
PS4100 Hardware Maintenance Guide Troubleshooting Your Array 37 – Replace the power cable. If the problem is not resolved, or if the power supply’s fault indicator is lit, see Obtaining Technical Support and Customer Service on page 35 . Power supply and cooling modules are hot-swappable. The array ...
Page 44 - Obtaining Technical Support and Customer Service on page 35; Troubleshooting Hard Drives; Identifying Failed Drives on page 7
PS4100 Hardware Maintenance Guide Troubleshooting Your Array 38 b. Check the link status LED. If the link status LED is not green, proceed to the next step. c. Replace the cables. If the problem is not resolved, see Obtaining Technical Support and Customer Service on page 35 . Troubleshooting Hard D...
Page 45 - Index
39 Index array control module restriction ............23 control modules ............................17 cooling ..........................................29 fans ...............................................29 firmware .......................................20 LEDs ...................................
