Fc To Sas / Sata Raid Subsystem

Transcript

FC TO SAS / SATA RAID SUBSYSTEM Hardware Reference Guide Revsision 1.0 P/N: PW0020000000238 Preface About this manual This manual provides information regarding the quick installation and hardware features of the 3U 16-bay EPICa EP-3169 RAID subsystem. This document does not describe how to use the storage management software. Refer to the software manual or Web GUI Manager Help included on the Administration CD for this information. Information contained in the manual has been reviewed for accuracy, but not for product warranty because of the various environments/OS/settings. Information and specifications will be changed without further notice. Copyright No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording or otherwise, without the prior written consent. Trademarks All products and trade names used in this document are trademarks or registered trademarks of their respective holders. Changes The material in this document is for information only and is subject to change without notice. -1- Table of Contents Chapter 1 1.1 Overview .......................................................................... 3 1.1.1 1.1.2 1.1.3 1.1.4 1.1.5 1.1.6 1.2 Serial-Attached SCSI (SAS) Overview.....................................................3 Product Introduction .................................................................................4 Electrical Characteristics ..........................................................................5 Mechanical Specifications ........................................................................5 Enclosure Chassis....................................................................................5 EPICA proSES LDC panel OP SPECS....................................................6 Hot-Swappable Modules ................................................ 10 1.2.1 1.2.2 1.2.3 1.2.4 Power Supply / Fan Module (PSFM)......................................................10 SES Module............................................................................................12 Controller Module ...................................................................................14 Drive Carrier Module ..............................................................................16 Chapter 2 2.1 2.2 2.3 2.4 2.5 2.6 2.7 Searching the Network ...........................................................................25 Default IP Address..................................................................................26 Opening a Connection............................................................................27 Configuring Controller IP Settings..........................................................28 Initializing RAID Configuration ....................................... 30 2.7.1 Logical Volume Mapping ........................................................................30 Chapter 3 Working with the System............................ 31 Power Supply / Fan Installation...................................... 31 SES Module Installation ................................................. 33 Controller Installation ..................................................... 34 Chapter 4 4.1 4.2 Getting started ............................................. 19 Unpacking the Subsystem ............................................. 19 Installing the Rack Mount Kit ......................................... 20 Installing Hard Drives. .................................................... 20 Connecting the RAID subsystem to the Host................. 23 Installing proRAIDManager ............................................ 24 Using proRAIDManager ................................................. 25 2.6.1 2.6.2 2.6.3 2.6.4 3.1 3.2 3.3 introduction.................................................... 3 Alerts and Notifications .............................. 35 Alerts.............................................................................. 35 Notifications ................................................................... 38 -2- Chapter 1 introduction 1.1 Overview 1.1.1 Serial-Attached SCSI (SAS) Overview What is SAS? Serial-Attached SCSI (SAS) is the newest storage interface for DirectAttached Storage (DAS). SAS is the successor to the highly successful parallel Ultra 320 SCSI interface. SAS improves and expands upon the parallel SCSI technology, and is supported by the ANSI T10 Standards Committee. But why SAS? Performance. Connectivity and scalability. Availability. One of the major differences between parallel SCSI and SAS is that SAS uses a serial bus as opposed to a parallel bus. Ultra 320 parallel SCSI has reached the limit of parallel SCSI performance, and anything beyond Ultra 320 is not feasible due to the fact that parallel SCSI clock rates are limited by bit-skewing. This is where SAS comes in. SAS transmission is done serially, and results in a myriad of advantages over parallel SCSI. Performance The serial nature of SAS results in a huge increase in performance over parallel SCSI. No bit-skewing and is self-clocking Transfer rates up to 3.0 Gb/s per link Full duplex which results in a total of 6.0 Gb/s per link. Link aggregation into 4x wide ports for a total of 24.0 Gb/s Extensive command queue Connectivity/Scalability A new concept introduced by SAS is the expander. Expanders act like miniature switches for routing data from the SAS controller chip to the hard disks. The connectivity / scalability benefits of SAS are: Dedicated point-to-point connection between initiator and target SAS expanders make scalability up to >16K devices in a single SAS domain possible Each device is uniquely identified with a World Wide Name (WWN), so there is no longer a need for SCSI IDs Using SCSI Tunneling Protocols (STP), SAS is compatible with SATA II HDDs Availability In this fast-paced society, data needs to be available to clients whenever they need it. SAS was designed with availability in mind. SAS include the following benefits: Dual ports for redundant controller functionality Support for multiple initiators Hot swappable for easy removal / replacement of the SAS drive -3- 1.1.2 Product Introduction This manual provides information regarding the installation and maintenance of the 3U 16bay Epica EP-3169 RAID subsystem. Figure 1. The EP-3169 is a modular, symmetrically designed subsystem with standard modules and protocols for maximum flexibility. The EP-3169 consists of: „ Chassis and backplane „ 1 or 2 RAID controllers „ 2 Power Supply/Fan modules „ 1 SES board „ 16 hot-swappable drives -4- 1.1.3 Electrical Characteristics Voltage Rating AC 90V to 254V Full Range 10A/5A at 110V/220V, 50Hz/60Hz Current Consumption 110V – 10A, 50Hz 220V – 5A, 60Hz Power Consumption 600 W maximum (fully populated enclosure) 1.1.4 Mechanical Specifications Weight Weight (Without Disks): 24.2 Kg / 25.2 Kg (redundant controller) Dimensions Height: 131 mm Width: 482.6 mm Depth: 577.5 mm 1.1.5 Enclosure Chassis The EP-3169 chassis is a 3U 16-bay steel chassis that is divided into front and rear sections. The front section consists of 16 disk drive carriers. The drives are arranged as seen in Figure 2. Figure 2. Each drive carrier is lockable and has a lock indicator to indicate if the carrier is locked or not. In addition, each carrier has two LED lights to indicate whether or not the drive is being accessed and when the drive has failed. The LED lights are viewable from a 170° arc. The rear part of the chassis is arranged in a symmetric, orderly way. This is to ensure signal symmetry and simplicity. There are 2 power supply/fan modules, 1 (with the option of 2) controller module, and 1 SES module (Figure 3). -5- Figure 3. 1.1.6 EPICA proSES LCD panel OP SPECS Main Menu EP-3169D-F4S3 Chassis ID: 00 “EP-3169D-F4S3”, stands for the model name of the enclosures. “Chassis ID:00” is the physical enclosures assign identification numbers. A different chassis ID should be assign if more than one enclosure connected. Pressing UP button will go back to the last menu, if you press DOWN navigation button the next menu will show. Down Firmware and proSES menu SES2 F/W V: 1.03 SES ID: 00 -6- “PROSES2 F/W V: 0.9C”, SES2 means the PROSES boards attached is PRO-90-5601 while PRO-90-6601 boards represented as “PROSES”. The remaining info corresponds to the current proSES firmware version “F/W V: 0.9C”. “SES ID: 00” is the physical enclosures assign identification numbers. A different chassis ID should be assign if more than one enclosure connected. Pressing UP or EXIT button will bring you to Main Menu, if you press down navigation buttons the next menu will show Down Disk Status Menu Individual Disk Info Enter Disk Status ID: 001-016 S1:000*O* S2:001*X* 28C 30C This menu displays the disk temperature and which slot disks are inserted. ID: 0001-016 means that the backplane has the capacity of 16 disk slots. Press ENTER to view the individual disk slot information. S1 to SG represent the 16 disk slots also 001-016 disk info represent the 16 disk slots. *O* = means the disk is online and inserted on this slot, *X* = means the slot is empty. *F* = means the disk on that slots is FAILED. 30C = means the current temperature of the disk, The disk has a threshold value of 55C, if more than that, the temp LED will turn RED and buzzer will sound. UP and DOWN button to view each 16 disk slots. Pressing EXIT will return to DISK status menu. On the disk status menu press down to go next screen Down Power Status Menu Power Status Good > Power 1: Good Power 2: Failed Power status menu indicates the condition of the dual redundant power supply unit of EPICA with maximum 600W. “GOOD” means this power supply unit is healthy and “FAILED” if it has problem. Press EXIT to return previous menu, to view the current status press ENTER. Down to go next menu. -7- Down Fan Status Menu Fan Status Good > Fan 1: 5600RPM Fan 2: 3500RPM Down Fan 3: 5600RPM Fan 4: 3500RPM Fan Status menu; display the health of the 2 fans inside each power supply. The speed will depend on the enclosures temperatures. The FAN speed is linear and it has deviation between 300 or 400rpm, if the proSES board detects high temperature it will change the speed. To view the health of its fan press ENTER, EXIT to return previous menu. Down to next menu. FAN Linear Speed Temperature <= 39 C Fan 1,Fan 3 4000 Fan 2, Fan 4 3100 > 39 C 4500 3400 > 42 C 5000 3700 > 45 C 6000 4000 Down Voltage Status Good > +3.3V: 3.26V +5V : 5.07V Down +12V: 12.1V Voltage status menu, display the current voltage information. Below is the valid voltages range. +3.3V +5V +12V < 2.97V < 4.5V < 10.8V > 3.63V > 5.5V >13.2V -8- Down Buzzer Status Menu Buzzer Status Enable > Disable Buzzer Buzzer Status menu for disable/enable the proSES boards alarm. By default only the buzzer from the controller will alarm if enclosure has a problems. Default is DISABLE. Environmental Status Power LED Power Fail LED Fan Fail LED Over Temperature LED Voltage Warning LED Green indicates power is ON. If one of the redundant power supply unit fail, this LED will turn to RED and alarm will sound. Turn RED when fan 1 & 3 speed is lower than 3400 and for fan 2 & 4 must not be lower than 2600 If disk temperatures exceed 55C the temperature LED will turn RED and alarm will sound. An alarm will sounds if proSES boards detect voltage in the backplane is abnormal and voltage LED will turn RED -9- 1.2 Hot-Swappable Modules 1.2.1 Power Supply / Fan Module (PSFM) Every EP-3169 contains two 600W Power Supply / Fan Modules. Both PSFMs are inserted into the rear of the chassis. Figure 4. Each PSFM delivers Full-Range (90 – 254V) AC voltage of electricity. The EP-3169 normally operates with two PSFMs running. Note that each PSFM consists of 1 power supply, 2 fans, and 1 Airflow Redirector. Figure 5. On the back of the Power Supply/Fan Module there are 3 distinct features: the Power On/Off Switch, the AC Inlet Plug (Male), and a Power On/Fail Indicator (see Figure 5). Note: When the Power On/Fail Light is GREEN, then the PSFM is functioning normally. When the Power On/Fail Light is RED, then there is a power failure. - 10 - Each fan within a PSFM is powered independently of the power supply within the same PSFM. So if the power supply of a PSFM fails, the fan associated with that PSFM will continue to operate and cool the enclosure. In the event of a power supply failure, enclosure cooling is maintained by several methods. 1. One or both PSFMs will continue to maintain normal fan operations. 2. One or both PSFMs will increase their fan speeds to increase airflow. 3. One or both PSFMs will activate their Airflow Redirector. The Airflow Redirector is another cooling fan located within the PSFM. Normal Airflow Redirected Airflow Figure 6. Figure 7. The Airflow Redirector increases the air flow within the enclosure and redirects the flow of air (see Figure 7) into the operational PSFM, thereby eliminating dead pockets of heated air. - 11 - 1.2.2 SES Module SCSI Enclosure Services (SES) is the protocol used for enclosure environmental control. Figure 8. The SES module monitors the following enclosure conditions: temperature, power supply voltage, and fan speed. If any of the conditions above are not within specified parameters, the SES module will notify the user through email, SMS and/or an audible alarm. The SES module has the ability to regulate enclosure temperature by activating the Airflow Redirector in case of a power supply module failure. Figure 9. The SES Module consists of 6 features: RS-232 Port, Alarm Mute Button, Dip Switch, Enclosure ID dial, a Hard Contact Relay, and a System Light. These features are described as follows: - 12 - 1. RS-232 Port The RS-232 port is for SES firmware upgrades. Below are the RS-232 settings. Settings Baud Rate Data Bits Parity Stop Bits Flow Control 38400 8 No 1 None Table 1. 2. Alarm Mute Button When the audible alarm is sounding, press this button to mute the audible alarm. 3. Enclosure ID Dial The Enclosure ID Dial is used to indicate the ID number of that particular enclosure. Enclosure ID Disk ID Range 0 0 - 15 1 2 3 4 5 6 7 8 9 16 ~ 31 32 ~ 47 48 ~ 63 64 ~ 79 80 ~ 95 96 ~ 111 Reserved Reserved Reserved Used For Default for 1st RAID Enclosure Expansion (JBOD) Expansion (JBOD) Expansion (JBOD) Expansion (JBOD) Expansion (JBOD) Expansion (JBOD) Reserved Reserved Reserved Table 2. 4. Hard Contact Relay 5. System Light a. The System Light is used to indicate whether the SES Module is on and whether or not there is an error. b. A blinking GREEN light indicates that the SES Module is ON and functioning normally. c. A steady GREEN light or no GREEN light indicates that there is an error with the SES Module. - 13 - 1.2.3 Controller Module The EP-3169 includes a 4Gb Fibre-SAS/SATA Controller Module. An optional redundant Controller Module can be added upon the user’s request. Figure 10. Some of the functions the 4Gb FC-SAS/SATA controller supports are as follows: 1. 533 MHz RISC AMCC 440SPe processor with an embedded R6 XOR engine 2. The controller supports RAID levels 0, 1, 5, 6, and 10 3. Up to 1024 LUNs 4. Online expansion & online rebuild 5. Global / Local Hot Spares 6. Drive Roaming 7. Immediate RAID Availability Figure 11. - 14 - Indicator Color Expander Activity Green Power Green FC A Activity Green Red FC B Activity Green Fault Controller Ready Red Red Green Drive Activity Green Green Ethernet Link Orange Ethernet Activity Green Description Solid when an expander is connected and no activity. Flashes when there is activity on the expander. Solid when power is available to the controller. Solid when FC Port A is up and no activity. Flashes when there is activity on FC Port A. Solid when FC Port A is down or disconnected. Solid when FC Port B is up and no activity. Flashes when there is activity on FC Port B. Solid when FC Port B is down or disconnected. Solid if a fault is detected that activates the alarm. Solid when the controller is ready. Flashes when there is activity on any drive (in any enclosure). Solid when connected to a functioning 1000BaseT. Off when not connected or connected to a 10BaseT network. Solid when connected to a functioning 100BaseT network. Off when not connected or connected to a 10BaseT network. Flashes when there is activity on the network. Table 3. - 15 - 1.2.4 Drive Carrier Module The Drive Carrier Module houses a 3.5 inch hard disk drive. It is designed for maximum airflow and incorporates a carrier locking mechanism to prevent unauthorized access to the HDD. Figure 12. 1.2.4.1 Drive Status Indicator Every Drive Carrier has 2 status indicator lights. One indicator light is used for Power On/Error. When this light is GREEN the power is on and everything is functioning normally. When the Power On/Error light is ORANGE, then an error has occur that requires the user’s attention. The other status indicator light is the hard disk drive access light. ACCESS LED will light up blue if the SAS HD is installed. ACCESS LED will not light up if the SATA HD is installed. When the hard disk drive is being accessed, this light will flash BLUE. In addition, both indicator lights are viewable within a 170° arc. Status Indicator Lights Figure 13. Disk Activity Indicator Disk Status Indicator Figure 14. - 16 - 1.2.4.2 Lock Indicator Every Drive Carrier is lockable and is fitted with a lock indicator to indicate whether or not the carrier is locked into the chassis or not. Each carrier is also fitted with an ergonomic handle for easy carrier removal. Drive Carrier is Unlocked Figure 15. Drive Carrier is Locked Figure 16. 1.2.4.3 Drive Mounting Carrier Types The following Drive Carriers are available: SAS Disk Drive Carrier SATA Disk Drive Dual Port Carrier - 17 - SATA Disk Drive Single Port Carrier 1.2.4.4 Supported Drives Caution: Only supported disk drive types can be used in the system. If a disk drive that is not supported is put in the system, the disk can neither be used as part of a RAID nor be assigned as a local or global spare. The following capacities, manufacturers and models are currently supported. Other drives may be supported in the future. HD Type SATA II Drives SAS Drives (10,000 RPM) SAS Drives (15,000 RPM) Capacity Manufacturer Model 250 GB Maxtor 7V250F0 250 GB Hitachi HDT722525DLA380 500 GB Seagate ST3500641AS 500 GB Maxtor 7H500F0 500 GB Hitachi HDS725050KLA360 147 GB Maxtor 8J147S0 300 GB Maxtor 8J300S0 73 GB Maxtor 8K073S0 73 GB Seagate ST373454SS 73 GB Fujitsu MAX3073RC 73 GB Hitachi HUS151473VLS300 147 GB Maxtor 8K147S0 147 GB Seagate ST3146854SS 147 GB Fujitsu MAX3174RC 147 GB Hitachi HUS151414VLS300 Note: SATA II drives have an additional dongle board card included in the drive shuttle to allow access to the drives from both controllers and expanders. - 18 - Chapter 2 Getting started Getting started with the subsystem consists of the following steps: ™ Unpacking the storage subsystem. ™ Installing the Rack Mount Kit ™ Installing Hard Drives. ™ Connecting the RAID subsystem to Host. ™ Installing proRAIDManager. ™ Using proRAIDManager. ™ Initializng RAID Configuration. 2.1 Unpacking the Subsystem Before we continue, you need to unpack the subsystem and verify that the contents of the shipping carton are all there and in good condition. Before removing the subsystem from the shipping carton, you should visually inspect the physical condition of the shipping carton. Exterior damage to the shipping carton may indicate that the contents of the carton are damaged. If any damage is found, do not remove the components; contact the dealer where you purchased the subsystem for further instructions. The package contains the following items: • RAID subsystem unit • Two power cords • One external serial cable • One RJ-45 Ethernet cable • One RJ-45 crossover Ethernet cable • Two external Fibre optical cables • Installation Reference Guide • Spare screws, etc. - 19 - If any of these items are missing or damaged, please contact your dealer or sales representative for assistance. 2.2 Installing the Rack Mount Kit Follow the rack mounting instructions to properly install the rack mount kit. 2.3 Installing Hard Drives. In this section, you will be shown how to install the Drive Carrier Module. a. Each Drive Carrier has a locking mechanism. When the Lock Groove is horizontal, this indicates that the Drive Carrier is locked. When the Lock Groove is vertical, then the Drive Carrier is unlocked (Figure 17). Lock and unlock the Drive Carriers by using a flat-head screw driver. - 20 - Carrier Lock Indicator Figure 17. b. The Lock Grooves are located on a button (Figure 18). Press the button and the Drive Carrier handle will flip open (Figure 19). Carrier Open Button Figure 18. Figure 19. c. Pull the Drive Carrier handle outwards to remove the carrier from the enclosure. Caution: When removing the Drive Carrier Module from the enclosure, handle with care to prevent dropping the module. - 21 - d. To install the hard drive into the Drive Carrier, first insert the hard drive as show below (Figure 20). Figure 20. e. Turn the Drive Carrier over (see Figure 21). Notice the 4 screws. Tighten these 4 screws to firmly secure the hard dive to the Drive Carrier. Figure 21. f. To install the carriers, insert the carriers into the enclosure and close the Drive Carrier handle. Then lock the Drive Carrier using a screw driver. - 22 - 2.4 Connecting the RAID subsystem to the Host This section describes how to connect the EP-3169 to your host system. Figure 22. Note: For optimum performance, use 4Gb FC Host Bus Adapter(s) in the host computer(s). 1. Connect the power cables to the AC Power inlets 2. Connect the remote management Ethernet cable(s) to the controller Ethernet port(s). 3. Turn on the power switch on the rear of the EP-3169. Allow the machine a few moments to initialize before using it. - 23 - 2.5 Installing proRAIDManager The EP-3169 is managed through the controller Ethernet connection(s). Any PC on the network to which the EP-3169 is connected can manage the system using proRAIDManager. proRAIDManager is a Java based application that is supported on Windows, Solaris, Linux and any Java enabled platform. You can install proRAIDManager on your chosen administration machine as follows: 1 Insert the proRAIDManager CD into the CD drive of your administration machine. Open the root folder and open the ‘install.htm’ file to begin the installation. 2 Select ‘Start Installer for ’ and follow the on-screen instructions to install the software. 3 When the installation has completed you can run proRAIDManager from the ‘Start Menu’ or from the short-cut on your desktop. Figure 23. - 24 - 2.6 Using proRAIDManager This section describes how to get started using proRAIDManager. 2.6.1 Searching the Network Figure 24. The first screen allows you to find all EP-3169 systems on the network, as follows: 1. Click on ‘Search’ to find the system(s) or, 2. If you know the IP address of the system, you may enter it manually by clicking on the ‘Manual’ button. - 25 - 2.6.2 Default IP Address By default, the EPICa systems are configured to use DHCP for assigning IP addresses. If no IP address has been assigned previously, and DHCP is not enabled, the EP-3169 controller will use its Default IP Address. This Default IP Address is intended for temporary use only. If DHCP is not being used, we strongly recommend that you use proRAIDManager to set the IP address to a permanent address on the local subnet. - 26 - 2.6.3 Opening a Connection Figure 25. Having selected a system from the Search screen or entered its IP address manually, you must open a connection to it, as follows: 1. The Open Connection screen will display automatically when you select a system. 2. The default ‘Username’ and ‘Password’ is ‘admin’ and ‘admin’. Use these for your first connection. 3. After your initial connection, you are prompted to ‘Change Password’ before being allowed to continue. 4. Again, if this is your first connection, you will be brought to the Setup Wizard where you may follow the on-screen instructions to set up your network and administration settings. - 27 - 2.6.4 Configuring Controller IP Settings 1. If you fail to connect to your chosen system via TCP/IP, proRAIDManager will attempt to automatically find the controllers via a UDP broadcast search. You will be prompted to go to the IP Connection Screen. Enter the IP connection settings you wish to use. Figure 26. Note: Each controller in a dual controller system has a separate IP Configuration tab on this screen. However, it is not necessary to set up network settings on both controllers to connect to the system. - 28 - 2. Click on ‘Save’ when you are satisfied that the details are correct. 3. proRAIDManager will again search the system to pick-up your controllers. You will then be brought back to the System Search screen where you should see your system at the bottom of the list. 4. If this fails, consult the User Guide or contact Technical Support. - 29 - 2.7 Initializing RAID Configuration 2.7.1 Logical Volume Mapping You can map a Logical Volume to the host computer, as follows: 1. Go to Logical VolumeÆFC Access in the proRAIDManager menu bar. 2. Here you will see any Host HBAs visible to the EP-3169 listed in the ‘Hosts’ table and the Logical Volume will appear in the ‘Logical Volumes’ table. There should be no entries in the ‘Host Mapping’ table. 3. Select a Host HBA for which you want to define a mapping 4. Select the logical volume from the ‘Logical Volumes’ table. 5. Click on the ‘Add’ button to move this Logical Volume to the ‘Host Mappings’ table. 6. Click on ‘OK’ to save the new mapping. 7. Repeat the process for each Logical Volume to be mapped to this Host HBA. 8. Repeat the Mapping Procedure for further HBAs, as required. - 30 - Chapter 3 Working with the System Caution: To prevent static electricity from permanently damaging your electronic components, observe the proper Electro Static Discharge (ESD) measures when handling all components listed in this section. 3.1 Power Supply / Fan Installation In this section, you will be shown how to install the Power Supply / Fan Module. a. Check for damage, especially to the PCB Golden Fingers at the rear of the Power Supply / Fan Module (Figure 27). Figure 27. Caution: Handle the module with care and avoid damaging the Golden Fingers. In addition, make sure there are no fingerprints on the Golden Fingers. Do not install the module if the Golden Fingers are damaged. b. With the Power Supply / Fan Module handle in the open position, carefully insert the module into the enclosure. - 31 - c. Manually close the Power Supply / Fan Module handle (Figure 28) to secure the Power Supply / Fan Module to the enclosure using the thumb screws. d. Connect the power supply cord to the power source. Figure 28. - 32 - 3.2 SES Module Installation In this section, you will be shown how to install the SES Module. a. Check for damage, especially to the PCB Golden Fingers at the rear of the SES Module (Figure 29). Figure 29. Caution: Handle the module with care and avoid damaging the Golden Fingers. In addition, make sure there are no fingerprints on the Golden Fingers. Do not install the module if the Golden Fingers are damaged. b. Carefully insert the SES Module into the appropriate slot. Note: The Thumbscrew (see Figure 30) is mainly used as a handle to remove the SES Module from the enclosure. Figure 30. c. Use a screwdriver to tighten the 2 screws on either side of the SES Module to secure the SES Module to the enclosure. - 33 - 3.3 Controller Installation In this section, you will be shown how to install the Controller Module. a. Check for damage, especially to the connectors at the rear of the Controller Module (Figure 31). Figure 31. Caution: Handle the module with care and avoid damaging the connectors. Do not install the module if the connectors are damaged. b. With the Controller handle in the open position, carefully insert the module into the enclosure. Note: Insert Controller Modules rightside-up (not inverted) into the bottom slot and upside-down into the upper slot. c. Manually close the handle (Figure 32) to complete the Controller Module installation. Figure 32. d. Tighten the thumb screws on the handle to secure the Controller Module to the enclosure. - 34 - Chapter 4 Alerts and Notifications 4.1 Alerts The following table provides a summary of system behaivor under various failures. E-mail refers to an e-mail notification sent by the controller over the Ethernet interface to an assigned e-mail address, SNMP refers to an SNMP trap sent by the controller over the Ethernet interface to a designated SNMP recipient and Event log refers to an event logged in the Alert Log in the ProRAID Manager software. FAILURE CLASS Power (BBU Not present) FAILURE TYPE Total Loss Power (BBU Not present) Transient Loss Power (BBU Present) Total Loss Power (BBU Present) Transient Loss EFFECT ON DATA Data may be lost if write cache is enabled Data may be lost if write cache is enabled No effect provided outage is shorter than BBU hold time No effect EFFECT ON AVAILABILITY System unavailable EFFECT ON PERFORMANCE N/A USER NOTIFICATION Event log System unavailable during power loss. Controller takes 7 seconds to reboot and 60 seconds for the system to become available. System unavailable N/A Event log N/A Event log System unavailable during power loss. Controller takes 7 seconds to reboot and 60 seconds for the system to become available. N/A Event log - 35 - FAILURE CLASS Disk (RAID Level 1, 5, 6 or 10) FAILURE TYPE Drive removed or drive failure EFFECT ON DATA No effect. RAID volume degraded. EFFECT ON PERFORMANCE Performance may drop USER NOTIFICATION Event log, E-mail and SNMP RAID is inaccessible EFFECT ON AVAILABILITY Loss of high availability. System will become unavailable on second failure (third if RAID level 6). RAID unavailable Disk (RAID Level 0) Disk (RAID Level 1, 5, 6 or 10) Disk (RAID Level 0) Disk (RAID Level 1, 5, 6 or 10) Drive removed or drive failure Advanced drive failure notice N/A Event log, E-mail and SNMP No effect No effect Event log, E-mail and SNMP Advanced drive failure notice Medium Error No effect No effect Performance will drop if spare is available to rebuild the failing drive to None No effect Stripe will be rebuilt on alternate sectors Performance may drop Disk (RAID Level 0) Medium Error Data loss None except for the data loss None Link FC link total failure No effect N/A Link FC link transient parity errors No effect System unavailable unless alternate SCSI path is used in cluster configuration System remains available Backplane (RAID Level 1, 5, 6 or 10) SAS/SATA link failure No effect RAID volume degraded Loss of high availability, system may become unavailable on second failure (third if RAID level 6). - 36 - Performance will drop as command timeouts, bus resets and retries occur Performance may drop. Event log, E-mail and SNMP Disk statistics updated in controller If threshold met, Event log, E-mail and SNMP Disk statistics updated in controller If threshold met, Event log, E-mail and SNMP Event log, E-mail and SNMP Event log, E-mail and SNMP Event log, E-mail and SNMP FAILURE CLASS Backplane (RAID Level 0) Backplane (RAID Level 1, 5, 6 or 10) FAILURE TYPE SAS/SATA link failure EFFECT ON DATA RAID is inaccessible EFFECT ON AVAILABILITY RAID unavailable EFFECT ON PERFORMANCE N/A USER NOTIFICATION Event log, E-mail and SNMP SAS/SATA link degraded No effect No effect Performance may drop. Backplane (RAID Level 0) SAS/SATA link degraded No effect No effect Performance may drop. Enclosure Fan Failure No effect No effect Enclosure PSU module failure No effect BBU BBU failure No effect Controller (single controller) Controller (dual controller) Hardware failure User data loss is possible No effect System availability at risk until fan replaced System availability at risk until PSU module replaced User data at risk from transient power failure if write caching is enabled. System unavailable Disk statistics updated in controller If threshold met, Event log, E-mail and SNMP Disk statistics updated in controller If threshold met, Event log, E-mail and SNMP Event log, E-mail and SNMP System availability at risk until controller is replaced System unavailable during controller reboot. Controller takes 7 seconds to reboot and 60 seconds for the system to become available. Controller Hardware failure Software failure, controller reboot No effect User data is maintained in cache during controller reboot - 37 - No effect Event log, E-mail and SNMP No effect Event log, E-mail and SNMP N/A Event log Performance may drop Event log, E-mail and SNMP Performance may drop if command timeouts occur. Event log, E-mail and SNMP 4.2 Notifications Alert Messages There are three types of alert messages sent by the controller. Notifications and Warnings are generated by the controller. Application alert messages are generated by ProRAID Manager and then passed to the controller to be sent. Notifications Normal operation of power supply in slot restored Normal operation of fan in slot restored The temperature in the system is now within the acceptable range Creating RAID ‘’, useable capacity: GB RAID ‘’ is now accessible Initialising RAID ‘’ Initialisation of RAID ‘’ deferred for a higher priority RAID RAID ‘’ initialisation complete Deleting RAID ‘’ Expanding RAID ‘’ by adding rows Expanding RAID ‘’ by adding column(s) Initialising expansion space on RAID ‘’ RAID ‘’ expand complete Rebuilding RAID ‘’ Rebuild of RAID ‘’ deferred for a higher priority RAID RAID ‘’ rebuild complete Data on disk in bay is being recovered, do not remove until RAID ‘’ is rebuild. Disk in bay is no longer part of RAID ‘’ and can be safely removed. Verifying RAID ‘’ Verification of RAID ‘’ deferred for a higher priority RAID RAID ‘’ verification complete Logical volume '' created Logical volume '' deleted Logical volume '' capacity expanded to Logical volume '' ID:LUN changed to : Logical volume '' changed to '' Starting Firmware () reboot Network up at IP address , netmask Password has changed Power down Fibre Channel Port is up at Gb in mode Warnings Disk in bay is missing Disk in bay has excessive errors Disk in bay is running out of reallocation blocks Disk in bay has run out of reallocation blocks Disk in bay has failed Power Supply Module in slot is not working properly Fan in slot is not working properly The temperature in the system has exceeded threshold The temperature in the system has dropped below 10C/50F RAID ‘’ initialisation failed to complete RAID ‘’ verify failed to complete RAID ‘’ expand failed to complete - 38 - RAID ‘’ rebuild failed to complete RAID ‘’ is degraded due to disk failures RAID ‘’ is inaccessible due to disk failures RAID ‘’ has no suitable spare available Cannot start scheduled verify on RAID ‘’ Controller hardware error Firmware download checksum failed, the binary may be corrupted Firmware ID does not match, the binary is not for this product An attempt to write flash memory failed The serial number on this system is incorrect NVRAM checksum invalid, restoring default settings NVRAM battery is exhausted and needs replacement Fibre Channel Port link error Fibre Channel Port is down Application Alerts Connection Failed, incorrect password from IP: ‘’ ProRAID Manager has detected there is new firmware available - 39 -