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PS6000 Hardware Maintenance

Maintaining Disks

2–3

Figure 2-5: Disk Drive Detail

Table 2-1: Disk Detail Descriptions

Callout

Color

Description

Disk handle
release button

Black

SAS disk.

Gray

SATA disk.

Disk handle

Gray

Same for SAS and SATA disks.

Power and disk
activity LED

Off

No power or an error condition.

Green Power.
Flashing green

Disk activity.

Error LED

Off

No power or normal condition.

Red

Error condition.

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Summary of Contents for PS6000

Page 1: ...Hardware Maintenance ...

Page 2: ...ark of Dell Inc All trademarks and registered trademarks mentioned herein are the property of their respective owners Information in this document is subject to change without notice Reproduction in any manner whatsoever without the written permission is strictly forbidden July 2009 Part Number 110 0117 R2 ...

Page 3: ...entifying Failed Disks 2 4 Array Behavior When a Disk Fails 2 4 Removing Disks 2 5 Installing Disks 2 6 Caution Disk Installation Guidelines and Restrictions 2 6 Installing the Bezel 2 8 3 Maintaining Control Modules 3 1 Control Modules 3 1 Interpreting Control Module LEDs 3 2 Identifying Control Module Failures 3 3 Understanding Failover Behavior 3 3 Maintaining Control Module Firmware 3 4 Networ...

Page 4: ...icro SD Card 3 15 4 Maintaining Power Supply Modules 4 1 Interpreting the LEDs 4 1 Identifying Failures 4 1 Removing a Power Supply and Cooling Module 4 2 Installing a Power Supply and Cooling Module 4 3 A Environmental Power and Other Specifications A 1 Index Index 1 ...

Page 5: ...rements RAID configurations Disk storage management Note Although this manual provides examples of using PS Series arrays in some common network configurations detailed information about setting up a network is beyond its scope Organization This manual is organized as follows Chapter 1 Basic Storage Array Information describes the array front and back panels how to interpret LEDs how to use an ele...

Page 6: ... Online help In the Group Manager GUI expand Tools in the far left panel and then click Online Help for help on both the GUI and the CLI The Installation and Setup and Hardware Maintenance manuals and the Release Notes are printed and shipped with the product They are also located on the PS Series documentation CD ROM that is shipped with the product along with the Group Administration and CLI Ref...

Page 7: ... Verify your country or region in the Choose A Country Region drop down menu at the bottom of the window 3 Click Contact Us on the left side of the window 4 Select the appropriate service or support link based on your need 5 Choose the method of contacting Dell that is convenient for you Online Services You can learn about Dell products and services on the following websites www dell com www dell ...

Page 8: ...PS6000 Hardware Maintenance Preface viii Warranty Information The PS6000 array warranty is included in the shipping box For information about registering a warranty visit support dell com EqualLogic ...

Page 9: ... and Back Panels The front and back panels of a PS6000 array are shown in the following figures Figure 1 1 PS6000 Front Panel The disk drives are accessible from the front See Chapter 2 for detailed information about disk drives The components on the back of a PS6000 are shown in Figure 1 2 and described in Table 1 1 ...

Page 10: ...he operations panel Note The serial number for your array is on a label on the operations panel Table 1 1 Back Panel Detail Description Part Description Power supply and cooling modules From left to right they are numbered 1 and 0 Control modules From left to right they are numbered 1 and 0 Operation panel LED Includes LEDs that show the status of the array error and warning conditions power statu...

Page 11: ...port provider For information about other array LEDs see Interpreting Disk LEDs on page 2 2 Interpreting Control Module LEDs on page 3 2 and Interpreting the LEDs on page 4 1 Figure 1 3 Operations Panel Table 1 2 Operations Panel Descriptions Item Status Description Power LED Off No power Green Power Array locator LED Off No power or normal condition Flashing orange Administrator enabled the array...

Page 12: ...RAID set A non critical hardware component failed Real time clock battery is low Critical error condition LED Off No power or normal condition Flashing orange One or more of the following has occurred RAID is not functioning Lost block table is full Temperature exceeds upper or lower limit Control module cache has lost data A cooling module is not installed Both fans on a cooling module have faile...

Page 13: ...al control module array You can remove a redundant component without affecting operation if a functioning component is available Otherwise it is recommended that you cleanly shut down the array and turn off power before removing a component Note When an array is shut down any volumes with data on the array will be set offline until the array is successfully restarted This may affect initiators tha...

Page 14: ......

Page 15: ...e disks in a PS6000 you must remove the bezel The bezel comes with a lock which helps protect the disks from being tampered with or accidentally removed To unlock and remove the bezel 1 Insert the bezel key and turn it clockwise to unlock the bezel See Figure 2 1 Figure 2 1 Unlocking the Bezel 2 Push the bezel release latch up to disengage the bezel from the chassis See Figure 2 2 Figure 2 2 Pushi...

Page 16: ... from the chassis See Figure 2 3 Figure 2 3 Detaching the Bezel from the Chassis Interpreting Disk LEDs Figure 2 4 shows how disks are oriented and numbered in a PS6000 array Figure 2 4 PS6000 Disk Numbering The parts of a disk drive are shown in Figure 2 5 and described in Table 2 1 ...

Page 17: ...scriptions Callout Color Description Disk handle release button Black SAS disk Gray SATA disk Disk handle Gray Same for SAS and SATA disks Power and disk activity LED Off No power or an error condition Green Power Flashing green Disk activity Error LED Off No power or normal condition Red Error condition ...

Page 18: ...ank carrier Operating an array with an empty disk slot will void your warranty and support contract Do not remove a disk from its carrier This action will void your warranty and support contract Keep the shipping material Return a failed disk to your array support provider in the packaging in which the replacement disk was shipped Shipping disks in unauthorized packaging may void your warranty Ide...

Page 19: ...an Electrostatic Wrist Strap on page 1 5 Notes Replace a failed disk as soon as possible to provide the highest availability Do not remove a disk from a slot unless you have another disk or a blank carrier to replace it Each slot must contain a disk or blank carrier Do not remove a functioning disk from an array unless the disk is a spare otherwise a RAIDset may become degraded If you remove a spa...

Page 20: ...trostatic Wrist Strap on page 1 5 Disk Installation Guidelines and Restrictions Install only disks of the same type speed and spin rate in an array The color of the handle release button indicates the disk type black for SAS gray for SATA Make sure the disk is oriented in the position shown in Figure 2 4 with the handle release button to the left You can use disks with different sizes in an array ...

Page 21: ...icient than installing a single disk configuring it and then repeating the process For example when you install a disk the timer starts If no other disks are installed the disk is configured after a delay of two minutes If you install another disk before two minutes have elapsed the timer is restarted If you install a disk during RAID reconstruction or verification the new disk will not be configu...

Page 22: ...select show disks command output should show that the new disk is operational Installing the Bezel After you install all the replacement disks or blanks re install and lock the bezel 1 Facing the front of the array fit the right side of the bezel into the right side of the chassis 2 Push the bezel toward the chassis until the left side of the bezel engages with the chassis 3 Insert the bezel key a...

Page 23: ... replacing a cache or NVRAM battery contact your PS Series service provider Control Modules A PS6000 array includes two Type 7 control modules which have one serial port and four Ethernet ports Figure 3 1 Type 7 Control Module Only one control module is active serving network traffic at one time The secondary redundant control module mirrors cache data from the active control module If the active ...

Page 24: ... interface status See Figure 3 1 Control module LEDs are described in Table 3 1 Ethernet port LEDs are described in Table 3 2 Table 3 1 Control Module LED Descriptions LED Location Color Description ACT LED Off No power secondary control module is not synchronized with active control module or error condition Green Active control module serving network I O Orange Secondary control module Cache is ...

Page 25: ...r of the array and from left to right control modules are numbered 1 and 0 See Figure 1 2 If a control module fails see your PS Series support provider for a replacement Understanding Failover Behavior Only one control module is active serving network traffic at one time Each control module includes a battery backed write cache for storing recently used data For redundancy the cache on the seconda...

Page 26: ...er and becomes active If a cable is connected to the port on the newly active control module network I O can continue through that interface Control module failover is transparent to applications but iSCSI initiators must reconnect to the group IP address Maintaining Control Module Firmware A PS6000 array includes two control modules each with a micro SD card running the array firmware You should ...

Page 27: ...h an array can operate at 10 or 100 Mbits performance will be slower than when using a Gigabit Ethernet switch Multiple network connections For increased bandwidth and availability connect all the network interfaces on both control modules to multiple network switches The switches must be connected using interswitch links The links must have sufficient bandwidth to handle the iSCSI traffic After c...

Page 28: ...some switches that let the port immediately transition into STP forwarding state upon link up This functionality can reduce network interruptions that occur when devices restart and should only be enabled on switch ports that connect end nodes You can use Spanning Tree for a single cable connection between switches or trunking for multi cable connections between switches Flow Control enabled on sw...

Page 29: ...his configuration protects against control module failover it is still a potential point of failure for example if the network cable connected to the active control module is disconnected Therefore it is recommended that you connect multiple network interfaces to different switches For maximum bandwidth and availability connect network cables to all the network interfaces on both control modules a...

Page 30: ...remove a control module from an array while the control modules are synchronizing When synchronization completes a console message will appear Also the ACT LED on the secondary control module will be orange 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 mod...

Page 31: ...hort interruption as failover to the secondary control module occurs Otherwise if possible cleanly shut down the array before removing the module as described in Shutting Down and Restarting an Array on page 1 5 Caution Do not remove a control module from an array while the control modules are still synchronizing A message will appear on the console when synchronization completes The ACT LED on th...

Page 32: ...PS6000 Hardware Maintenance Maintaining Control Modules 3 10 Figure 3 4 Opening a Control Module Latch 2 Hold the latches and carefully slide the control module from the slot See Figure 3 5 ...

Page 33: ...3 14 and install it in the replacement control module This will make sure that the new control module is running the correct firmware To install a replacement control module see Installing a Control Module on page 3 11 Do not operate an array with an empty control module slot When you replace a failed control module return the module in the packaging in which the replacement module was shipped Con...

Page 34: ...ution Wear electrostatic protection when handling a control module See Using an Electrostatic Wrist Strap on page 1 5 To install a control module 1 Open the control module latches by squeezing together the release mechanism for each latch and then rotating each latch outwards See Figure 3 4 2 Correctly orient the control module as shown in Figure 3 6 depending on which slot you are installing it i...

Page 35: ...ed but only one appears in the GUI or CLI the control module may not be properly installed Re install the control module If both control modules still do not appear in the GUI or CLI they may not be running the same firmware Contact your array support provider Note When connected a control module cache battery may begin to charge If the low battery safe cache policy is enabled the default the arra...

Page 36: ...rotected from electrostatic discharge You can partially or completely remove a control module without shutting down the array if the remaining control module has at least one connected and functioning network interface If you remove the active control module the LED labeled ACT will be gree there will be a short interruption as failover to the secondary control module occurs Before replacing a mic...

Page 37: ...he housing 3 Place the micro SD card on a flat surface where it will be protected from electrostatic charge Inserting the Micro SD Card 1 Align the replacement micro SD card so the arrow on the card points towards the housing See Figure 3 9 2 Firmly press the card into the housing until it clicks into place Make sure you cannot pull it out ...

Page 38: ...dules 3 16 Figure 3 9 Inserting the Micro SD Card 3 Install the control module See Installing a Control Module on page 3 11 After you replace the micro SD card make sure the control module is operational See Interpreting Control Module LEDs on page 3 2 ...

Page 39: ...re 4 1 Power Supply and Cooling Module LEDs Identifying Failures You can identify a power supply and cooling module failure by any or all of the following LEDs See Interpreting the LEDs on page 4 1 Messages A message on the console in the event log or in the Group Manager GUI Alarms panel describes a power supply and cooling module failure Table 4 1 Power Supply and Cooling Module LEDs LED Color D...

Page 40: ...e module as soon as possible although an array can operate with only one working module For proper array cooling do not remove a failed module until you are ready to replace it You can remove a power supply and cooling module from an array without affecting array operation if the second module is installed and functioning Otherwise if possible cleanly shut down the array before removing the module...

Page 41: ...g 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 Installing a Power Supply and Cooling Module Caution The module is heavy support it with two hands ...

Page 42: ... handle upward 3 Hold the handle and slide the module into the slot until you feel resistance See Figure 4 3 Figure 4 4 Installing a Power Supply and Cooling Module 4 Rotate the handle downward until it engages with the latches and the module is completely inserted See Figure 4 2 5 Attach the power cable to the module If your PS Series array was shipped with a power cable use this cable to meet sa...

Page 43: ...ne to ten seconds When initialization completes the power LED is green and an event message states that fans have returned to their normal speed 8 To make sure the new module is working make sure there are no red LEDs Also examine the GUI Member Enclosure window or run the CLI member select show enclosure command Make sure the status is on Caution After installing a power supply and cooling module...

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Page 45: ...48 meters 10 000 feet Operational relative humidity 20 to 80 noncondensing Storage relative humidity 5 to 80 noncondensing Thermal output fully loaded array 1700 BTU hour SAS disks 1550 BTU hour SATA disks Operational shock 5g peak 1 2 sin for 10ms Operational vibration 21 Grms 5 to 500 Hz Random Input voltage 100 to 240 VAC auto sensing Input frequency 48 62 Hz System input power 530 VA maximum E...

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Page 47: ...3 1 charging cache battery 3 13 checking proper installation 3 13 disk support 3 1 failover behavior 3 3 failure indications 3 3 firmware identification 3 4 firmware requirements 3 4 3 12 3 14 handling requirements 3 8 installing in array 3 11 LEDs 3 2 locating 3 3 micro SD card moving 3 11 micro SD card replacing 3 4 3 5 3 14 removing from array 3 8 restriction on mixing 3 1 3 11 supported disk t...

Page 48: ...Gigabit Ethernet recommendation 3 5 H hosts Flow Control recommendation 3 6 Jumbo Frames recommendation 3 6 J Jumbo Frames recommendation 3 6 L LEDs control module 3 2 cooling modules 4 1 disks 2 2 network interfaces 3 2 operations panel 1 3 power supplies 4 1 M member increasing bandwidth 3 5 multipath I O recommendation 3 5 network connection guidelines 3 5 subnet access recommendation 3 5 micro...

Page 49: ...dling 1 5 control modules 3 8 cooling 4 2 disks 2 4 environmental A 1 firmware 3 4 network 3 6 physical A 1 power 4 2 power cables 4 4 S SAS disks identifying 2 3 supported control module 3 1 SATA disks identifying 2 3 supported control module 3 1 serial number label 1 2 1 5 shutting down an array 1 5 Spanning Tree recommendation 3 6 specifications array A 1 status control modules 3 3 switches rec...

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