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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.

Identifying Failed Disk Drives

A disk drive failure is indicated by:
•

LEDs on the disk drive. See

Interpreting Disk Drive LEDs

•

A message on the console, in the event log, or in the Group Manager GUI

Alarms panel describes a disk drive failure.

•

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 RAIDset containing the failed disk drive is degraded.

For example:
•

If a spare disk drive is available, it replaces the failed disk drive. Performance

is normal after reconstruction completes.

•

If a spare disk drive is not available and the failed disk drive is in a RAIDset

with no previous disk drive failure, the RAIDset can become degraded.

Performance may be impaired.

•

If a spare disk drive is not available and the failed disk drive is in a RAIDset

that is already degraded, data may be lost and must be recovered from a

backup.

•

If a disk drive fails, do not remove and re-install it in the array. It must be

replaced.

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Содержание EqualLogic PS6010

Страница 1: ......

Страница 2: ...emark 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 of Dell is strictly forbidden November 2009 Part Number 110 6032 EN R1 ...

Страница 3: ... 1 6 Chapter 2 Maintaining Disk Drives 2 1 Identifying Failed Disk Drives 2 1 Array Behavior When a Disk Drive Fails 2 1 Interpreting Disk Drive LEDs 2 2 Disk Drive Handling Requirements 2 3 Disk Drive Installation Guidelines and Restrictions 2 3 Replacing Disk Drives 2 4 Removing the Bezel 2 5 Removing a Disk Drive 2 6 Installing Disk Drives 2 7 Installing the Bezel 2 8 Chapter 3 Maintaining Cont...

Страница 4: ...rk Requirements and Recommendations 3 13 Connecting Network Cables 3 15 Minimum Network Configuration 3 16 Recommended Network Configuration 3 17 Chapter 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 4 Appendix A Environmental Power and Other Specifications A 1 ...

Страница 5: ...erstand Basic networking concepts Current network environment User disk storage requirements 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 Informat...

Страница 6: ...oducts integrate with PS Series arrays and are available at no additional cost PS Series Software Firmware Installed on each array PS Series firmware allows you to manage your storage environment and provides capabilities such as volume snapshots cloning and replication to ensure data hosted on the arrays is protected in the event of an error or disaster Group Manager GUI Provides a graphical user...

Страница 7: ...adQuarters SANHQ Provides centralized monitoring historical performance trending and event reporting for multiple PS Series groups Host Software for VMware Storage Adapter for Site Recovery Manager SRM Allows SRM to understand and recognize PS Series replication for full SRM integration Auto Snapshot Manager VMware Edition ASM VE Integrates with VMware Virtual Center and PS Series snapshots to all...

Страница 8: ...PS6010 Hardware Maintenance Preface vi Related Documentation For detailed information about PS Series arrays groups volumes array software and host software see the following documentation ...

Страница 9: ... Note If you do not have access to an Internet connection contact information is printed on your invoice packing slip bill or Dell product catalog Use the following procedure to contact Dell for sales technical support or customer service issues 1 Visit support dell com 2 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 t...

Страница 10: ...cess Dell Support through the following Web sites support dell com support dell com EqualLogic support jp dell com Japan only support euro dell com Europe only Warranty Information The PS6010 array warranty is included in the shipping box For information about registering a warranty visit support dell com EqualLogic ...

Страница 11: ...6010 array is shown in Figure 1 1 and Figure 1 2 Figure 1 1 PS6010 Front Panel with Bezel Figure 1 2 PS6010 Front Panel without Bezel The disk drives are accessible from the front after you remove the bezel See Chapter 2 for detailed information about disk drives The components on the back of a PS6010 are shown in Figure 1 3 and described in Table 1 1 ...

Страница 12: ...to errors and conditions that require your attention Table 1 2 describes the LEDs Report any serious problems to your array support provider Table 1 1 Back Panel Detail Description Item Description Power supply and cooling modules The module on the right is 0 and the module on the left is 1 Control modules The module on the right is 0 and the module on the left is 1 Operation panel LED Includes LE...

Страница 13: ...Panel Descriptions Callout Item Color Description Power LED Off No power Green Power Array locator LED Off No power or normal condition Flashing orange Administrator enabled the array locator function Identifier switch N A Not used Warning condition LED Off No power or normal condition Flashing orange See Warning LED Status Conditions on page 1 4 Critical error condition LED Off No power or normal...

Страница 14: ...trol module has insufficient RAM Syncing active and secondary control modules No communication between control modules Installed spare disk drive does not have enough capacity to replace a disk drive in a RAID set A non critical hardware component failed Real time clock battery is low Critical LED Status Conditions When the Critical LED is flashing orange one or more of the following has occurred ...

Страница 15: ...valid RAID set exists in array Control modules are different models A critical hardware component has failed Operations panel failed or not installed Storage enclosure processor that monitors array components has experienced a failure Using an Electrostatic Wrist Strap When handling the array chassis disk drives or control modules you must use an electrostatic protection device to prevent electros...

Страница 16: ...f 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 that are connected to the volumes 1 Do one of the following Use telnet or SSH to connect to a...

Страница 17: ... key message appears Pressing any key will restart both control modules If you are using a network connection the session will be disconnected before the array is fully shut down Confirm that the CACT LED on each control module is off not lit before turning off power to the array After performing array maintenance you can turn on power to the array When the array restart completes the member and v...

Страница 18: ......

Страница 19: ...rray 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 RAIDset containing the failed disk drive is degraded For example If a spare disk drive is available it replaces the failed disk drive Performance is normal after reconstruction completes If a spare disk drive is not available and the failed disk drive i...

Страница 20: ...2 2 and described in Table 2 1 Figure 2 2 Disk Drive Detail Table 2 1 Disk Drive Detail Descriptions Callout Item Color Description Disk drive handle release button Black SAS disk drive Gray SATA disk drive Handle Gray Same for SAS and SATA disk drives Power and disk drive activity LED Off No power or an error condition Green Power Flashing green Disk drive activity Error LED Off No power or norma...

Страница 21: ...contain a disk drive assembly or a blank carrier Operating an array with an empty slot will void your warranty and support contract Do not remove a functioning disk drive other than a spare from an array If the disk drive is not a spare the RAIDset may become degraded If you remove a spare replace the disk drive as soon as possible Do not remove a disk drive from its carrier This action will void ...

Страница 22: ...sk drive and the time the disk drive is automatically configured into a RAIDset This time interval allows multiple disk drives to be simultaneously configured in an array which is more efficient than installing a single disk drive configuring it and then repeating the process For example when you install a disk drive the timer starts If no other disk drives are installed the disk drive is configur...

Страница 23: ...lps protect the disk drives 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 3 Figure 2 3 Unlocking the Bezel 2 Push the bezel release latch up to disengage the bezel from the chassis See Figure 2 4 ...

Страница 24: ...l it away from the chassis See Figure 2 5 Figure 2 5 Detaching the Bezel from the Chassis Removing a Disk Drive 1 Wear electrostatic protection when handling a disk drive See Using an Electrostatic Wrist Strap on page 1 5 2 Press the handle release button to the left in the direction of the arrow to disangage the handle ...

Страница 25: ...removing a blank carrier 5 Pull the disk drive further from the slot and re engage the handle You will hear a click Then pull the disk drive completely out of the array 6 Place the drive on a flat surface where it will be protected from electrostatic discharge Installing Disk Drives 1 Wear electrostatic protection when handling a disk drive See Using an Electrostatic Wrist Strap on page 1 5 To ins...

Страница 26: ... drive completely into the slot simultaneously pushing in the handle until you hear a click See Figure 2 7 Figure 2 7 Closing the Disk Drive Handle Verify that the new disk drive is operational by examining the LEDs on the front panel as described in Interpreting Disk Drive LEDs on page 2 2 In addition examine the GUI Member Disks window and the CLI member select show disks command output Installi...

Страница 27: ...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 and turn it counter clockwise to lock the bezel 4 Store the key in a safe place ...

Страница 28: ......

Страница 29: ... access to the array A field replaceable microSD card running the PS Series firmware Cache and NVRAM batteries are not field replaceable For information about replacing a cache or NVRAM battery contact your PS Series service provider 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 ...

Страница 30: ...e 3 1 Ethernet ports 0 and 1 each have two LEDs labeled ACT and LNK that show the network interface status See Table 3 2 and callout 3 in Figure 3 1 Figure 3 1 Type 10 Control Module Table 3 1 Control Module LED Descriptions LED Name Color Description ACT see callout 1 Off No power secondary control module is not synchronized with active control module or error condition Green Active control modul...

Страница 31: ...a control module fails see your PS Series support provider for a replacement Understanding Failover Behavior In a dual control module array only one control module is active serving network traffic at one time Each control module includes a battery backed write cache for Table 3 2 Management Port LED Descriptions LED Location Color Description Left see callout 2 Off No power or not connected to ne...

Страница 32: ...trol module array if the active control module fails the secondary automatically takes over 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 Type 10 control m...

Страница 33: ...ve 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 module ...

Страница 34: ...dule from an array while the control modules are still synchronizing A message will appear on the console when synchronization completes The ACT LED on the secondary control module will be orange when synchronization completes Removing a Control Module Before removing a control module Attach an electrostatic wrist strap as described in Using an Electrostatic Wrist Strap on page 1 5 Disconnect any ...

Страница 35: ...PS6010 Hardware Maintenance Maintaining Control Modules 3 7 Figure 3 2 Opening a Control Module Latch 2 Hold the latches and carefully slide the control module from the slot See Figure 3 3 ...

Страница 36: ... module and install it in the replacement control module This will make sure that the new control module is running the correct firmware See Replacing the MicroSD Card on page 3 11 Caution Do not operate an array with an empty control module slot Return the failed control module in the packaging in which the replacement module was shipped Contact your PS Series support provider for information abo...

Страница 37: ... Attach an electrostatic wrist strap or a similar protective device See Using an Electrostatic Wrist Strap on page 1 5 1 Open the control module latches by squeezing together the release mechanism for each latch and then rotating each latch outwards See Figure 3 2 2 Correctly orient the control module with the latch mechanism facing the adjacent power supply and cooling module 3 Hold the latches a...

Страница 38: ...EDs on page 3 2 If two control modules are installed but only one appears in the GUI or CLI the control module may not be properly installed Reinstall 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 ...

Страница 39: ...ou completely remove the control module place it on a surface that is protected 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 green there will be a short interruption a...

Страница 40: ...f the housing 3 Place the microSD card on a flat surface where it will be protected from electrostatic charge Inserting the MicroSD Card 1 Align the replacement microSD card so the arrow on the card points towards the housing Figure 3 7 2 Firmly press the card into the housing until it clicks into place Make sure you cannot pull it out ...

Страница 41: ...ure the control module is operational See Interpreting Control Module LEDs on page 3 2 Network Requirements and Recommendations The minimum network configuration for a PS Series array consists of a connection between Ethernet 0 on each control module and a computer or a network switch To increase performance and availability configure multiple network interfaces on an array and connect them to mul...

Страница 42: ...must have sufficient bandwidth to handle the iSCSI traffic After connecting the network interfaces use the Group Manager GUI or CLI to assign an IP address and netmask to each interface Management network optional Optionally connect the management ports on both control modules to a 10 100Mbps network switch to keep management traffic separate from iSCSI traffic Access to the group IP address In a ...

Страница 43: ...or RSTP preferable to STP you should enable the port settings available on 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 it should only be enabled on switch ports that connect end nodes You can use Spanning Tree for a single cable connection between switches and y...

Страница 44: ...etwork Configuration For a single control module array the minimum configuration is one network connection to Ethernet 0 However the single network connection is a potential point of failure Dell recommends that you connect Ethernet 0 and Ethernet 1 to different network switches connected with interswitch links For example if you connect cables as shown in Figure 3 8 and Ethernet 0 fails initiator...

Страница 45: ... four network cables to connect Ethernet 0 and Ethernet 1 on each control module to a different network switch The switches must be connected with interswitch links that have sufficient bandwidth In addition you can optionally configure a dedicated management network See the Group Administration manual for detailed information Figure 3 10 shows the recommended network configuration without a manag...

Страница 46: ...aining Control Modules 3 18 Figure 3 10 Configuration Without Management Network Figure 3 11 shows the recommended network configuration with a management network on a 10 100Mbps switch Figure 3 11 Configuration With Management Network ...

Страница 47: ...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 Desc...

Страница 48: ...ling 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 as described in Shutting Down and Restarting an Array on page 1 6 Caution Wear electrostatic protection whe...

Страница 49: ...ning 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 ...

Страница 50: ...atches inward see callout 1 in Figure 4 2 to release the handle and then rotate the handle upward see callout 2 in Figure 4 2 3 Hold the handle and slide the module into the slot until you feel resistance See Figure 4 4 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 Refer back to Figure 4 ...

Страница 51: ...g module Initialization generally takes from one 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 Afte...

Страница 52: ......

Страница 53: ...48 meters 10 000 feet Operational relative humidity 20 to 80 noncondensing Storage relative humidity 5 to 80 noncondensing Thermal output fully loaded array 1800 BTU hour SAS disks 1650 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 560 VA maximum E...

Страница 54: ......

Страница 55: ...tion 10 failover behavior 3 failure indications 3 features 1 firmware requirements 4 firmware version 4 handling requirements 5 installing in array 8 LEDs 2 locating 3 removing from array 5 restriction on mixing 8 restrictions 1 supported disk type 8 synchronizing 5 6 types 8 verifying operational status 10 cooling indications of failure 1 initialization 5 installing 4 LEDs 1 locating modules 2 re...

Страница 56: ...5 Jumbo Frames recommendation 15 I identifying the firmware version 5 J Jumbo Frames recommendation 15 L LEDs control module 2 cooling modules 1 disks 2 network interfaces 2 operations panel 2 power supplies 1 M microSD card firmware requirements 4 inserting 12 removing 11 replacing 4 N network failure protection 4 improving performance 14 recommendations 13 14 requirements 13 14 network interface...

Страница 57: ...1 power 2 power cables 4 S SAS disks identifying 2 SATA disks identifying 2 serial number label 2 4 shutting down an array 6 Spanning Tree recommendation 15 specifications array 1 status control modules 3 switches bandwidth requirement 17 Flow Control recommendation 15 Jumbo Frames recommendation 15 link recommendation 17 Spanning Tree recommendation 15 unicast storm control recommen dation 15 VLA...

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