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Fibre to SAS/SATA II RAID Subsystem

User Manual

Chapter 2 Identifying Parts of the RAID Subsystem

The illustrations below identify the various parts of the system. Familiarize yourself with
the parts and terms as you may encounter them later in the later chapters and sections.

2.1 Main Components

2.1.1 Front View

2.1.1.1 Disk Tray

Summary of Contents for EP-2243D-F4S3

Page 1: ...Fibre to SAS SATA II RAID Subsystem User Manual Revision 1 2 ...

Page 2: ...c Elements 17 1 3 4 LUN Masking 18 1 4 Array Definition 18 1 4 1 Raid Set 18 1 4 2 Volume Set 19 1 5 High Availability 19 1 5 1 Creating Hot Spares 19 1 5 2 Hot Swap Disk Drive Support 20 1 5 3 Hot Swap Disk Rebuild 20 Chapter 2 Identifying Parts of the RAID Subsystem 21 2 1 Main Components 21 2 1 1 Front View 21 2 1 1 1 Disk Tray 21 2 1 1 2 LCD Front Panel 23 2 1 1 3 LCD IP Address in Dual Contro...

Page 3: ...5 2 1 Create RAID Set 53 5 2 2 Delete RAID Set 54 5 2 3 Expand RAID Set 55 5 2 4 Offline RAID Set 58 5 2 5 Activate Incomplete RAID Set 59 5 2 6 Create Hot Spare 61 5 2 7 Delete Hot Spare 62 5 2 8 Rescue Raid Set 63 5 3 Volume Set Function 64 5 3 1 Create Volume Set 64 5 3 2 Create Raid 30 50 60 67 5 3 3 Delete Volume Set 68 5 3 4 Modify Volume Set 69 5 3 4 1 Volume Set Expansion 70 5 3 4 2 Volume...

Page 4: ... Chapter 6 Maintenance 102 6 1 Upgrading the RAID Controller s Cache Memory 102 6 1 1 Replacing the Memory Module 102 6 2 Upgrading the RAID Controller s Firmware 103 6 3 Replacing Subsystem Components 110 6 3 1 Replacing Controller Module 110 6 3 1 1 Replacing Controller Module with Plate Cover 111 6 3 2 Replacing Power Supply Fan Module 112 6 3 2 1 Replacing Power Supply Fan Module with Plate Co...

Page 5: ...nual 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 owners Changes The material in this document is for i...

Page 6: ...make sure that the power switches are turned off Disconnect first any power connection if the power supply module is being removed from the enclosure Outlets must be accessible to the equipment All external connections should be made using shielded cables and as much as possible should not be performed by bare hand Using anti static hand gloves is recommended In installing each component secure al...

Page 7: ...AID Subsystem Unit Two 2 power cords Two Fibre optic cables single controller Note Four Fibre optic cables for dual RAID controllers One 1 RJ45 Ethernet cable Note Two Ethernet cables for dual RAID controllers One 1 external serial cable RJ11 to DB9 Note Two serial cables for dual RAID controllers One 1 Controller Module Plate Cover Note For dual RAID controller One 1 PSFM Plate Cover User Manual ...

Page 8: ...s per host connection Supports greater than 2TB per volume set 64 bit LBA support Supports 4K bytes sector for Windows up to 16TB per volume set Support spin down drives when not in use to extend service MAID 2 0 Supports up to 128 LUNs per RAID set Transparent data protection for all popular operating systems RAID ADG provides the highest level of data protection Instant availability and backgrou...

Page 9: ...SAS Two 4x mini SAS Controller Redundancy Option Yes Hot swap drive trays Twenty four 24 2 5 trays Twenty four 24 2 5 trays Online capacity expansion RAID level stripe size migration Yes Yes Online Volume sets expansion Yes Yes Online Array roaming Yes Yes Online consistency check Yes Yes SMTP manager and SNMP agent Yes Yes E mail Notification Yes Yes Redundant Flash image Yes Yes R Link support Y...

Page 10: ...oling fans 2 2 Battery backup Option Option Power requirements AC 90V 264V full range 8A 4A 47Hz 63Hz AC 90V 264V full range 8A 4A 47Hz 63Hz Relative Humidity Operating Temp 10 85 Non condensing 10o C 40o C 50o F 104o F 10 85 Non condensing 10o C 40o C 50o F 104o F Physical Dimensions 88 H x483 W x559 D mm 88 H x483 W x559 D mm Weight 14kg without drives 15kg without drives ...

Page 11: ...es or as large as several megabytes These stripes are then interleaved in a rotating sequence so that the combined space is composed alternately of stripes from each drive The specific type of operating environment determines whether large or small stripes should be used Most operating systems today support concurrent disk I O operations across multiple drives However in order to maximize throughp...

Page 12: ...ly a pair of disk drives that store duplicate data but appear to the computer as a single drive Although striping is not used within a single mirrored drive pair multiple RAID 1 arrays can be striped together to create a single large array consisting of pairs of mirrored drives All writes must go to both drives of a mirrored pair so that the information on the drives is kept identical However each...

Page 13: ...ng records Synchronized spindle drives are required for RAID 3 arrays in order to avoid performance degradation with short records RAID 5 arrays with small stripes can yield similar performance to RAID 3 arrays Under RAID 5 parity information is distributed across all the drives Since there is no dedicated parity drive all drives contain data and read operations can be overlapped on every drive in...

Page 14: ...ential records However RAID 3 does not allow overlapping of multiple I O operations and requires synchronized spindle drives to avoid performance degradation with short records RAID 5 with a small stripe size offers similar performance RAID 5 combines efficient fault tolerant data storage with good performance characteristics However write performance and performance during drive failure is slower...

Page 15: ...cheme 4 0 1 1E Combination of RAID levels 0 and 1 This level provides striping and redundancy through mirroring RAID 0 1 requires the use of an even number of disk drives to achieve data protection while RAID 1E Enhanced Mirroring uses an odd number of drives 4 3 30 Combination of RAID levels 0 and 3 This level is best implemented on two RAID 3 disk arrays with data striped across both disk arrays...

Page 16: ...available in the Fibre Channel RAID controller Optional functions have been implemented for Fibre Channel operation which is only available in the Web browser based RAID manager The LCD and VT 100 can t be used to configure some of the options available for Fibre Channel RAID controller 1 3 2 Three ways to connect FC Topologies A topology defines the interconnection scheme It defines the number of...

Page 17: ...to arbitrate for control of the network each device can use the full available bandwidth A fabric topology contains one or more switches connecting the ports in the FC network The benefit of this topology is that many devices approximately 2 24 can be connected A port on a Fabric switch is called an F Port Fabric Port Fabric switches can function as an alias server multi cast server broadcast serv...

Page 18: ...g So that only one or a limited number of servers can see that LUN each LUN inside the RAID device can be limited LUN masking can be done either at the RAID device behind the RAID port or at the server HBA It is more secure to mask LUNs at the RAID device but not all RAID devices have LUN masking capability Therefore in order to mask LUNs some HBA vendors allow persistent binding at the driver lev...

Page 19: ...1 can be assigned a RAID 5 level while Volume 0 might be assigned a RAID 0 1 level 1 5 High Availability 1 5 1 Creating Hot Spares A hot spare drive is an unused online available drive which is ready to replace a failed disk drive In a RAID level 1 0 1 3 5 6 30 50 or 60 Raid Set any unused online available drive installed but not belonging to a Raid Set can be defined as a hot spare drive Hot spar...

Page 20: ...otection and online drive replacement 1 5 3 Hot Swap Disk Rebuild The Hot Swap feature can be used to rebuild Raid Sets with data redundancy such as RAID level 1 0 1 3 5 6 30 50 and 60 If a hot spare is not available the failed disk drive must be replaced with a new disk drive so that the data on the failed drive can be rebuilt If a hot spare is available the rebuild starts automatically when a dr...

Page 21: ...ifying Parts of the RAID Subsystem The illustrations below identify the various parts of the system Familiarize yourself with the parts and terms as you may encounter them later in the later chapters and sections 2 1 Main Components 2 1 1 Front View 2 1 1 1 Disk Tray ...

Page 22: ...tivity LED This LED will blink blue when the hard drive is being accessed HDD Fault LED Green LED indicates power is on and hard drive status is good for this slot If there is no hard drive the LED is Red If hard drive defected in this slot or the hard drive is failure the LED is blinking red ...

Page 23: ...e information on the LCD screen This is also used to move between each menu when you configure the subsystem NOTE When the Down Arrow button is pressed 3 times the LCD control will shift to the other RAID controller in redundant controller mode and the other RAID controller s IP address will be shown in LCD Select button This is used to enter the option you have selected Exit button EXIT Press thi...

Page 24: ...fails or the fan s rotational speed is below 1500RPM this LED will turn red and an alarm will sound Over Temperature LED If temperature irregularities in the system occurs HDD slot temperature over 65 C Controller temperature over 70 C this LED will turn RED and alarm will sound Voltage Warning LED An alarm will sound warning of a voltage abnormality and this LED will turn red Activity LED This LE...

Page 25: ... IP address of Controller 1 is shown there is no blinking rectangular character at the end of the IP address When the IP address of Controller 2 is shown there is a blinking rectangular character at the end of the IP address When the IP address has a link connected to network there is an at the end of the IP address When there is no link there is no Controller 1 IP Address No rectangular character...

Page 26: ...wo power supply fan modules are located at the rear of the subsystem If the power supply fails to function the Power Fail LED will turn red and an alarm will sound An error message will also appear on the LCD screen warning of power failure The fan in a power supply fan module is powered independently When a power supply fails the fan will still be working and provides airflow inside the enclosure...

Page 27: ...re to SAS SATA II RAID Subsystem User Manual 27 2 2 Controller Module The EPICa RAID system includes a dual 4Gb FC to SAS SATA II RAID Controller Module RAID Controller Module 2 2 1 Controller Module Panel ...

Page 28: ... port Use to manage the RAID subsystem via network and web browser Indicator LED Color Description Green Link LED Indicates Host Channel has connected or linked Host Channel A B Status LEDs Link LED and Activity LED Blink Blue Activity LED Indicates the Host Channel is busy and being accessed Green Indicates expander has connected or linked SAS Expander Activity LED Blue Indicates the expander is ...

Page 29: ... Power On Fail Indicator showing the Power Status LED indicating ready or fail 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 When the power cord connected from main power source is inserted to the AC Power Inlet the power status LED bec...

Page 30: ...rflow inside the enclosure In replacing the failed PSFM refer to section 6 3 2 of this manual NOTE After replacing the Power Supply Fan Module and turning on the Power On Off Switch of the PSFM the Power Supply will not power on immediately The Fans in the PSFM will spin up until the RPM becomes stable When Fan RPM is already stable the RAID controller will then power on the Power Supply This proc...

Page 31: ...ords into the AC Power Input Socket located at the rear of the subsystem NOTE The subsystem is equipped with redundant full range power supplies with PFC power factor correction The system will automatically select voltage 2 Turn on each Power On Off Switch to power on the subsystem 3 The Power LED on the front Panel will turn green ...

Page 32: ... replace a hard drive while the subsystem is running 3 2 1 Installing a SAS Disk Drive in a Disk Tray NOTE These steps are the same when installing SATA disk drive in Single Controller Mode 1 Press the Tray Open button and the Disk Tray handle will flip open 2 Pull out an empty disk tray Pull the handle outwards to remove the tray from the enclosure 3 Place the hard drive in the disk tray Make sur...

Page 33: ...stall the mounting screws on the bottom part to secure the drive in the disk tray 5 Slide the tray into a slot 6 Press the lever in until you hear the latch click into place The HDD Fault LED will turn green when the subsystem is powered on and HDD is good ...

Page 34: ...ATA Disk Drive Dual Controller Mode in a Disk Tray 1 Remove an empty disk tray from the subsystem 2 Prepare the dongle board and two screws 3 Place the dongle board in the disk tray Turn the tray upside down Tighten two screws to secure the dongle board into the disk tray ...

Page 35: ...y Slide the disk drive towards the dongle board 5 Turn the disk tray upside down To secure the disk drive into the disk tray tighten four screws on the holes of the disk tray Note in the picture below where the screws should be place in the disk try holes 6 Insert the disk tray into the subsystem ...

Page 36: ...allows you to access using only one method at a time You cannot use more than one method at the same time 4 1 Configuration through Terminal Configuring through a terminal will allow you to use the same configuration options and functions that are available from the LCD panel and via Telnet To start up 1 Connect the Monitor port located at the rear of the system to a PC or a VT100 compatible termi...

Page 37: ...Fibre to SAS SATA II RAID Subsystem User Manual 37 4 The default setting of the monitor port is 115200 baud rate 8 data bit non parity 1 stop bit and no flow control 5 Click disconnect button ...

Page 38: ...en the File menu and then open Properties 7 Open the Settings Tab 8 Configure the settings as follows Function arrow and ctrl keys act as Terminal Keys Backspace key sends Crtl H Emulation VT100 Telnet terminal ID VT100 Back scroll buffer lines 500 Click OK ...

Page 39: ...Terminal to link the RAID subsystem and Terminal together Press X key to display the disk array Monitor Utility screen on your VT100 Terminal 10 The Main Menu will appear Keyboard Function Key Definitions A key to move to the line above Z key to move to the next line Enter key Submit selection function ESC key Return to previous screen L key Line draw X key Redraw ...

Page 40: ...ce the password has been set the user can only monitor and configure the RAID subsystem by providing the correct password The password is used to protect the RAID subsystem from unauthorized access The controller will check the password only when entering the Main menu from the initial screen The RAID subsystem will automatically go back to the initial screen when it does not receive any command i...

Page 41: ...Raid Set Functions Create a customized Raid Set Volume Set Functions Create a customized Volume Set Physical Drive Functions View individual disk information Raid System Functions Setting the Raid system configurations Hdd Power Management Setting the HDD power management configurations Fibre Channel Config Setting the Fibre Channel configurations Ethernet Configuration Setting the Ethernet config...

Page 42: ... front panel perform the following functions Parts Function Up and Down Arrow buttons Use the Up or Down arrow keys to go through the information on the LCD screen This is also used to move between each menu when you configure the subsystem NOTE When the Down Arrow button is pressed 3 times the LCD control will shift to the other RAID controller in redundant controller mode and the other RAID cont...

Page 43: ...m User Manual 43 4 2 1 Menu Diagram The following menu diagram is a summary of the various configurations and setting functions that can be accessed through terminal The LCD panel menus also have similar functions except Update Firmware ...

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Page 49: ... 100 and the default IP address of Controller 2 R Link Port is 192 168 1 101 and subnet mask is 255 255 255 0 DHCP client function is also enabled by default You can reconfigure the IP Address or disable the DHCP client function through the LCD front panel or terminal Ethernet Configuration menu NOTE If DHCP client function is enabled but a DHCP server is unavailable and the IP address is changed ...

Page 50: ...ed during setup Raid Set Functions Create customized Raid Sets Volume Set Functions Create customized Volume Sets and allow modification of parameters of existing Volume Sets parameter Physical Drives Create pass through disks and allow modification of parameters of existing pass through drives This also provides a function to identify a disk drive System Controls For setting the RAID system confi...

Page 51: ...t size is over 2TB an option Greater Two TB Volume Support will be automatically provided in the screen as shown in the example below There are three options to select No 64bit LBA and 4K Block Greater Two TB Volume Support No Volume Set capacity is set to maximum 2TB 64bit LBA Use this option for UNIX Linux Kernel 2 6 or later Windows Server 2003 SP1 or later versions Windows x64 and other suppor...

Page 52: ...tion Refer to Section 5 6 1 NOTE In Quick Create your Raid Set is automatically configured based on the number of disks in your system maximum 32 disks per Raid Set Use the Raid Set Function and Volume Set Function if you prefer to create customized Raid Set and Volume Set NOTE In Quick Create the Raid Level options 30 50 and 60 are not available If you need to create Volume Set with Raid Level 30...

Page 53: ... the Raid Set for the first time or to delete existing Raid Set and reconfigure a Raid Set 5 2 1 Create RAID Set To create a Raid Set click on the Create RAID Set link A Select The Drives For RAID Set screen is displayed showing the disk drives in the system Tick the box of each disk drive that will be included in Raid Set to be created Enter the preferred Raid Set Name 1 to 16 alphanumeric charac...

Page 54: ...t To Delete screen is displayed showing all Raid Sets existing in the system Select the Raid Set you want to delete in the Select column Tick on the Confirm The Operation and click on the Submit button to process with deletion NOTE You cannot delete a Raid Set containing a Raid 30 50 60 Volume Set You must delete the Raid 30 50 60 Volume Set first ...

Page 55: ... Set which you want to expand Tick on the available disk s and check Confirm The Operation Click on the Submit button to add the selected disk s to the Raid Set NOTE Once the Expand Raid Set process has started user cannot stop it The process must be completed NOTE If a disk drive fails during Raid Set expansion and a hot spare is available an auto rebuild operation will occur after the Raid Set e...

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Page 57: ...t Migrating status is displayed in the Raid Set status area of the Raid Set information Migrating status is also displayed in the Volume Set status area of the Volume Set Information for all Volume Sets under the Raid Set which is migrating NOTE Cannot expand Raid Set when contains Raid30 50 60 volume ...

Page 58: ...the HDD state will change to Offlined Mode and the HDD Status LEDs will be blinking RED To offline a Raid Set click on the Offline RAID Set link A Select The RAID SET To Offline screen is displayed showing all existing Raid Sets in the subsystem Select the Raid Set which you want to offline in the Select column Tick on the Confirm The Operation and then click on the Submit button to offline the se...

Page 59: ... the RAID subsystem is powered off and one disk drive is removed or has failed in power off state and when the subsystem is powered on the Raid Set State will change to Incomplete The Volume Set s associated with the Raid Set will not be visible and the failed or removed disk will be shown as Missing At the same time the subsystem will not detect the Volume Set s hence the volume s is are not acce...

Page 60: ...e RAID Set link A Select The Raid Set To Activate screen is displayed showing all existing Raid Sets in the subsystem Select the Raid Set with Incomplete state which you want to activate in the Select column Click on the Submit button to activate the Raid Set The Volume Set s associated with the Raid Set will become accessible in Degraded mode NOTE The Activate Incomplete Raid Set function is only...

Page 61: ...et Function all unused non Raid Set member disk drives in the subsystem appear Select the target disk drive by clicking on the appropriate check box Tick on the Confirm The Operation and click on the Submit button to create hot spare drive s NOTE The capacity of the hot spare disk s must be equal to or greater than the smallest hard disk size in the subsystem so that it they can replace any failed...

Page 62: ...stem 62 User Manual 5 2 7 Delete Hot Spare Select the target Hot Spare disk s to delete by clicking on the appropriate check box Tick on the Confirm The Operation and click on the Submit button in the screen to delete the hot spare s ...

Page 63: ...e to SAS SATA II RAID Subsystem User Manual 63 5 2 8 Rescue Raid Set If you need to recover a missing Raid Set using the Rescue Raid Set function please contact your vendor s support engineer for assistance ...

Page 64: ... will have its data spread evenly across all the disks in the Raid Set 5 3 1 Create Volume Set The following are the Volume Set features 1 Volume sets of different RAID levels may coexist on the same Raid Set 2 Up to 128 Volume Sets in a Raid Set can be created in the RAID subsystem To create Volume Set from a Raid Set expand the Volume Set Functions in the main menu and click on the Create Volume...

Page 65: ...omatically provided in the screen as shown in the example above There are three options to select No 64bit LBA and 4K Block No Volume Set size is set to maximum 2TB limitation 64bit LBA Use this option for UNIX Linux Kernel 2 6 or later Windows Server 2003 SP1 or later versions Windows x64 and other supported operating systems The maximum Volume Set size is up to 512TB 4K Block Use this option for...

Page 66: ...ime later the cached data is written or flushed to the disk s This provides better performance but requires a battery module support for the cache memory or a UPS for the subsystem Tagged Command Queuing When this option is enabled it enhances the overall system performance under multi tasking operating systems by reordering tasks or requests in the command queue of the RAID system This function s...

Page 67: ...nclude in the creation and then click on the Submit button NOTE When creating Raid 30 50 60 Volume set you need to create first the Raid Sets Up to 8 Raid Sets maximum is supported in Raid 30 50 60 All Raid Sets must contain the same number of disk drives Configure the Volume Set attributes refer to previous section for the Volume Set attributes When done tick Confirm The Operation and click on Su...

Page 68: ...e Delete Volume Set link The Select The Volume Set To Delete screen will show all available Raid Sets Tick on a Raid Set and check the Confirm The Operation option and then click on the Submit button to show all Volume Sets in the selected Raid Set Tick on a Volume Set and check the Confirm The Operation option Click on the Submit button to delete the Volume Set ...

Page 69: ...1 Click on the Modify Volume Set link 2 Tick from the list the Volume Set you want to modify Click on the Submit button The following screen appears To modify Volume Set attribute values select an attribute item and click on the attribute value After completing the modification tick on the Confirm The Operation option and click on the Submit button to save the changes ...

Page 70: ... 2 3 The expanded capacity can be used to enlarge the Volume Set size or create another Volume Set Use the Modify Volume Set function to expand the Volume Set capacity Select the Volume Set and move the cursor to the Volume Set Capacity item and enter the capacity size Tick on the Confirm The Operation and click on the Submit button to complete the action The Volume Set starts to expand NOTE The V...

Page 71: ... a Volume Set migrates from one RAID level to another a Volume Set stripe size changes or when a disk is added to a Raid Set Migrating status is displayed in the Volume Set status area of the RaidSet Hierarchy screen during migration NOTE The Stripe Size of a Raid30 50 60 Volume Set cannot be modified ...

Page 72: ...ume Set Only RAID levels with parity redundant data such as RAID Levels 3 5 6 30 50 and 60 support this function To perform Check Volume Set function 1 Click on the Check Volume Set link 2 Tick from the list the Volume Set you want to check Select the Check Volume Set options Check Volume Set Options Scrub Bad Block If Bad Block Found Assume Parity Data is Good Re compute Parity if Parity Error As...

Page 73: ...be started The checking percentage can also be viewed by clicking on RaidSet Hierarchy in the Information menu NOTE The result of Check Volume Set function is shown in System Events Information and Volume Set Information In System Events Information it is shown in the Errors column In Volume Set Information it is shown in Errors Found field ...

Page 74: ...ction to run Tick on Confirm The Operation and click on the Submit button Scheduler Disabled 1Day For Testing 1Week 2Weeks 3Weeks 4Weeks 8Weeks 12Weeks 16Weeks 20Weeks and 24Weeks Check After System Idle No 1 Minute 3 Minutes 5 Minutes 10 Minutes 15 Minutes 20 Minutes 30 Minutes 45 Minutes and 60 Minutes NOTE To verify the Volume Check schedule go to Information RAID Set Hierarchy select the Volum...

Page 75: ...Fibre to SAS SATA II RAID Subsystem User Manual 75 5 3 7 Stop Volume Check Use this option to stop all Volume Set consistency checking process processes ...

Page 76: ...hrough disk is a separate and individual Raid Set The disk is available to the host as an individual disk It is typically used on a system where the operating system is on a disk not controlled by the RAID firmware To create pass through disk click on the Create Pass Through link under the Physical Drives main menu The setting function screen appears Select the disk drive to be made as Pass Throug...

Page 77: ... on an existing Pass Through Disk To modify the Pass Through drive attribute from the Pass Through drive pool click on the Modify a Pass Through Disk link The Select The Pass Through Disk For Modification screen appears Tick on the Pass Through Disk from the Pass Through drive pool and click on the Submit button to select the drive The Enter Pass Through Disk Attribute screen appears Modify the dr...

Page 78: ...ual 5 4 3 Delete Pass Through Disk To delete Pass Through Disk from the Pass Through drive pool click on Delete Pass Through link Select a Pass Through Disk tick on the Confirm The Operation and click the Submit button to complete the delete action ...

Page 79: ...ouse cursor and click on Identify Enclosure link The Select The Enclosure For Identification screen appears Tick on the enclosure from the list of enclosures then click on the Submit button to identify the selected enclosure All disk drives LEDs in an enclosure will flash when a particular enclosure is selected ...

Page 80: ... drive is selected using the Identify Drive function the Status LED of the selected disk drive will be blinking To identify a selected drive from the drives pool click on the Identify Drive link The Select The IDE Device For identification screen appears Tick on the IDE device from the drives list After completing the selection click on the Submit button to identify selected drive ...

Page 81: ... to Disable or Enable the system s RAID controller alarm beeper Background Task Priority The Background Task Priority indicates how much time and system resource the RAID controller devotes to a background task such as a rebuild operation The RAID subsystem allows user to choose the background task priority High 80 Medium 50 Low 25 and Ultra Low 5 to balance between background task process and Vol...

Page 82: ...che Mode The RAID subsystem supports Disk Write Cache Mode options Auto Enabled and Disabled If the RAID subsystem has BBM battery backup module selecting the Auto option will automatically enable Disk Write Cache On the other hand if there is no BBM the Auto option will disable Disk Write Cache Disk Capacity Truncation Mode The RAID subsystem use drive truncation so that drives from different ven...

Page 83: ...ID subsystem MAID is implemented in the HDD Power Management menu Using the Advanced Power Management APM function of disk drives HDD Power Management has three options MAID Levels Level 1 Place idle drives in Lower Power Mode where the drives heads are unloaded Level 2 Place idle drives in Low RPM Mode where drives heads are unloaded and slows down to around 4000 RPM and Level 3 Spin down idle dr...

Page 84: ...ed to around 4000 RPM The power consumption of the Idle HDD saving is from 35 to 45 Recovery time is 15 seconds Options are Disabled 10 20 30 40 50 and 60 Minutes Time to Spin Down Idle HDD MAID Level 3 This option enables the Raid subsystem to spin down HDDs of a Raid Set after they become idle after a preset period of time In this level the drives stop spinning and go into sleep mode The power c...

Page 85: ... port has its unique WWPN which is also factory assigned Usually the WWNN WWPN tuple is used to uniquely identify a port in the Fabric Channel Speed Each FC port speed can be configured either as 1 Gbps 2 Gbps or 4 Gbps channel Another option is to use Auto for auto speed negotiation between 1Gbps 2Gbps 4Gbps The RAID system s default setting is Auto which should be adequate under most conditions ...

Page 86: ... enabled you can manually set the Loop ID in the range from 0 to 125 Make sure this hard assigned ID does not conflict with other devices on the same loop otherwise the channel will be disabled It is a good practice to disable the hard loop ID and let the loop itself auto arrange the Loop ID NOTE For reliable operation of the RAID subsystem and depending on how the subsystem is connected it is rec...

Page 87: ...e EtherNet Configuration link under the System Controls menu The RAID subsystem EtherNet Configuration screen will be shown Set the desired configuration Once done tick on the Confirm The Operation and click the Submit button to save the settings NOTE If HTTP Telnet and SMTP Port Number is set to 0 the service is disabled ...

Page 88: ...tem Event Notification configuration screen will be shown Set up the desired function and option When an abnormal condition occurs an error message will be emailed to the email recipient s that a problem has occurred Events are classified into 4 levels Urgent Serious Warning and Information NOTE If Event Notification by email is enabled every 30 of event log will be sent to the email recipient s a...

Page 89: ...P Address box the IP address of the host system where SNMP traps will be sent The SNMP Port is set to 162 by default SNMP System Configuration Community Type the SNMP community The default is public 1 sysContact 0 2 sysLocation 0 and 3 sysName 0 SNMP parameter 31 bytes max If these 3 categories are configured and when an event occurs SNMP will send out a message that includes the 3 categories with...

Page 90: ...TP Server IP Address to enable the RAID subsystem to synchronize with it To set the NTP function move the cursor to the main menu and click on the NTP Configuration link The RAID subsystem s NTP Configuration screen will be displayed Select the desired function and configure the necessary option After completing the settings tick on the Confirm The Operation and click on the Submit button to save ...

Page 91: ...g information move the mouse cursor to the System Controls menu and click on the View Events Mute Beeper link The Raid Subsystem s System Events Information screen appears The System Events Information screen will show Time Device Event type Elapse Time and Errors This function is also used to silence the beeper alarm ...

Page 92: ...erate Test Event If you want to generate test events move the cursor bar to the main menu and click on the Generate Test Event Link Tick on the Confirm The Operation and click on the Submit button Then click on the View Events Mute Beeper to view the test event ...

Page 93: ...Fibre to SAS SATA II RAID Subsystem User Manual 93 5 5 10 Clear Event Buffer Use this feature to clear the RAID subsystem s System Events Information buffer ...

Page 94: ...Main Menu from the initial screen The RAID subsystem will automatically go back to the initial screen when it does not receive any command after sometime To disable the password enter only the original password in the Enter Original Password box and leave both the Enter New Password and Re Enter New Password boxes blank After selecting the Confirm The Operation option and clicking the Submit butto...

Page 95: ... RAID Controller This is used to flush the data from the cache memory and is normally done before powering off the system power switch After shutting down the controller and still want to use the RAID subsystem you must restart the controller either by Restart Controller function or by Power Supply On Off switch ...

Page 96: ...Fibre to SAS SATA II RAID Subsystem 96 User Manual 5 5 14 Restart Controller Use this function to restart the RAID Controller This is normally done after upgrading the controller s firmware ...

Page 97: ...AID subsystem s existing Raid Set s Volume Set s and disk drive s configuration and information Select the RAID Set Hierarchy link from the Information menu to display the Raid Set Hierarchy screen To view the Raid Set information click the Raid Set link from the Raid Set Hierarchy screen The Raid Set Information screen appears ...

Page 98: ... The Device Information screen appears This screen shows various information such as disk drive model name serial number firmware revision disk capacity timeout count media error count and SMART information To view the Volume Set information click the Volume VOL link from the Raid Set Hierarchy screen The Volume Set Information screen appears ...

Page 99: ... Information To view the RAID subsystem s controller information click the System Information link from the Information menu The Raid Subsystem Information screen appears NOTE In Dual Controller mode the System Information for the two controllers will be displayed ...

Page 100: ...ual Controller State Description Single Controller is running at Single Mode Other Controller Added The other Controller is added and waiting to start Other Controller Booting The other Controller is starting up Other Controller Ready The other Controller has booted up and ready Other Controller Failed The other Controller is Failed Sync Controller State The two Controllers are synchronizing their...

Page 101: ...ler enclosure 1 and enclosure 2 such as the temperature fan speed power supply status and voltage levels All items are also unchangeable When the threshold values are surpassed warning messages will be indicated through the LCD LED and alarm buzzer Item Warning Condition Controller Board Temperature 70 Celsius HDD Temperature 65 Celsius Fan Speed 1500 RPM Power Supply 12V 10 5V or 13 5V Power Supp...

Page 102: ...connect the power cables 3 Disconnect any Fibre cable from the controller module and then remove the Controller Module from the slot 4 Remove the memory module from the RAM socket of the RAID controller by pressing the ejector clips until the memory module pops out of the socket 5 Align the new memory module into the socket Make sure the notch is aligned with the key on the socket itself With the ...

Page 103: ...ware version README TXT It contains the history information of the firmware change Read this file first before upgrading the firmware These files must be extracted from the compressed file and copied to one directory in the host computer Establishing the Connection for the RS 232 The firmware can be downloaded to the RAID subsystem s controller using an ANSI VT 100 compatible terminal emulation pr...

Page 104: ...mware that needs to be upgraded upgrade first the boot ROM firmware Then repeat the process steps 1 to 9 to upgrade the firmware code after which a RAID controller restart will be necessary 1 From the Main Menu scroll down to Raid System Function 2 Choose the Update Firmware The Update The Raid Firmware dialog box appears 3 Go to the menu bar and click Transfer Select Send File 4 Select ZMODEM mod...

Page 105: ...ID Subsystem User Manual 105 5 Click Browse Look in the location where the firmware file was saved Select the firmware file name XXXXXXXX BIN and click Open 6 Click Send to send the firmware binary file to the RAID controller ...

Page 106: ...re downloading is completed the confirmation screen appears Select Yesto start programming the flash ROM 8 When the Flash programming starts a message will show Start Updating Firmware Please Wait 9 The firmware upgrade will take approximately thirty seconds to complete ...

Page 107: ...TA II RAID Subsystem User Manual 107 10 After the firmware upgrade is complete a message will show Firmware Has Been Updated Successfully Restarting the RAID controller is required for the new firmware to take effect ...

Page 108: ...de after which a RAID controller restart will be necessary 1 To upgrade the RAID subsystem firmware click the Upgrade Firmware link under System Controls menu The Upgrade The Raid System Firmware Or Boot Rom screen appears 2 Click Browse Look in the location where the firmware file was saved Select the firmware file name XXXXXXXX BIN and click Open 3 Select the Confirm The Operation option Click t...

Page 109: ...ATA II RAID Subsystem User Manual 109 5 After the firmware upgrade is complete a message will show Firmware Has Been Updated Successfully Restarting the RAID controller is required for the new firmware to take effect ...

Page 110: ... from the case and install the new one IMPORTANT When the subsystem is online and a Controller module fails and the replacement is not yet available in order to maintain proper airflow within the enclosure the failed module can be removed from the enclosure and the Plate Cover for Controller can be used in place of the failed module Refer to next section When replacing a failed component online it...

Page 111: ... Module 2 Use the Controller Module handle to remove the failed Controller Module from the subsystem 3 Insert the Controller Plate Cover Controller Module Plate Cover 4 Tighten the thumbscrews of the Controller Plate Cover When replacing a failed component online it is not recommended to remove the failed component for a long period of time proper air flow within the enclosure might fail causing h...

Page 112: ...ith the Plate Cover This is to maintain proper airflow within the enclosure Refer to next section When replacing a failed component online it is not recommended to remove the failed component for a long period of time proper air flow within the enclosure might fail causing high controller disk drive temperature 7 Connect the power cord to the AC Inlet Plug of PSFM 8 Tighten the thumbscrews of the ...

Page 113: ...ed power supply fan module PSFM with Plate Cover please follow these steps 1 Turn off the Power On Off Switch of the failed PSFM 2 Disconnect the power cord from the AC Inlet Plug of PSFM 3 Loosen thumbscrews of the failed PSFM 4 Pull out the defective PSFM 5 Insert the PSFM Plate Cover carefully Power Supply Fan Module Plate Cover ...

Page 114: ...s are standby in Controller 1 and active in Controller 2 NOTE In Dual Controller mode when using SATA disk drives with dongle boards it is recommended to create only a single Volume Set in a Raid Set group of drives For SAS disk drives no problem to create several Volume Sets per Raid Set NOTE In Dual Controller mode if Controller 1 fails Controller 2 will take over The fail over mode is called Ro...

Page 115: ...me Set 000 and assigned LUN 0 will be Active in Controller 1 and Standby in Controller 2 The second Volume Set created for example Volume Set 001 and assigned LUN 1 will be Active in Controller 2 and Standby in Controller 1 The third Volume Set assigned LUN 2 will be Active in Controller 1 and the fourth Volume Set assigned LUN 3 will be Active in Controller 2 In summary all even number LUNs assig...

Page 116: ...UNs Case 3 Two Volume Sets each Mapped to Channel 0 When a Volume Set is created and mapped to Channel 0 LUN 0 the Volume Set is Active in Controller 1 Port 0 Host A channel and Standby in Controller 2 When a second Volume Set is created and mapped to Channel 0 LUN 1 the Volume Set is Active in Controller 2 Port 0 Host A channel and Standby in Controller 1 Volume Channel LUN Mapping Remarks Volume...

Page 117: ... channels and Standby in Controller 1 In this case all 4 ports will be active when the host system does IO on the 2 LUNs This mode is Load Balance Volume Channel LUN Mapping Remarks Volume Set 000 0 1 0 Channel 0 1 Ports 0 and 1 LUN 0 Controller 1 Volume Set 001 0 1 1 Channel 0 1 Ports 0 and 1 LUN 1 Controller 2 NOTE All even number LUNs assigned to Volume Sets will be Active in Controller 1 and a...

Page 118: ...ost B channel and Standby in Controller 2 When a fourth Volume Set is created and mapped to Channel 1 LUN 1 the Volume Set is Active in Controller 2 Port 1 Host B channel and Standby in Controller 1 Volume Channel LUN Mapping Remarks Volume Set 000 0 0 Channel 0 Port 0 LUN 0 Controller 1 Volume Set 001 0 1 Channel 0 Port 0 LUN 1 Controller 2 Volume Set 002 1 0 Channel 1 Port 1 LUN 0 Controller 1 V...

Page 119: ... is created and mapped to Channel 0 1 LUN 3 the Volume Set is Active in Controller 2 Ports 0 and 1 Host A and Host B channels and Standby in Controller 1 In this case all 4 ports will be active when the host does IO on the 4 LUNs This mode is Load Balance Volume Channel LUN Mapping Remarks Volume Set 000 0 1 0 Channel 0 1 Ports 0 and 1 LUN 0 Controller 1 Volume Set 001 0 1 1 Channel 0 1 Ports 0 an...

Page 120: ...Faulty state FLT LED will be blinking red Refer to Section 3 2 Use the command HaltCtrl0 in web GUI Refer to Section 2 1 The Location of the Switch in the Controller The Controller Rear Part Front Part Backplane Connector Side Controller Panel Side 2 Using Command in Web GUI to Simulate Controller Failure 1 Prepare network environment to have connection to proRAID Manager Web GUI of Controller 1 o...

Page 121: ...ltCtrl0 when testing Controller 2 5 The Web GUI will show Controller Will Be Halted In 6 Seconds 6 All access to Controller 1 will be switched to Controller 2 And all LEDs of Controller 1 the failed Controller will be flashing NOTE If Controller 2 Failure is being tested all access to Controller 2 will be switched to Controller 1 7 Check if there is continuous access to the volumes ...

Page 122: ...osen the two thumbscrews on Controller1 lower Controller in the picture below NOTE If you loosened the thumbscrews and then tightened again without removing the controller the controller will stay in its failed state The controller needs to be removed and reinserted in order to be back in its normal operational mode 2 When the thumbscrews are loosened the FLT LED will be blinking red indicating co...

Page 123: ...Fibre to SAS SATA II RAID Subsystem User Manual 123 3 Remove all cables from the failed controller 4 Unplug the controller from the slot ...

Page 124: ...ntroller The FLT LED will still be blinking red NOTE The time interval needed before reinserting the controller is at least 15 seconds If the controller is removed and reinserted in less than 15 seconds the controller might still be in failed state 6 Reconnect all cables ...

Page 125: ...means the controller status is OK An alarm will still sound In this time the reinserted controller will take over the original IO jobs 8 After the reinserted controller has taken over its original jobs the alarm sound will be off Both controllers will be back to normal operational mode IMPORTANT The thumbscrews must be tightened so that the FLT LED will be off and the controller status will become...

Page 126: ... Power Function Command in Web GUI Hot Spare is Not Configured NOTE When a disk fails and the Volume Set use RAID Level with redundancy such as RAID Level 5 the Volume Set state will become Degraded 1 Check which Disk has failed In this example Disk in Enclosure 1 Slot 1 has failed The disk failure event can also be verified in the System Event Information event log when you use View Events Mute B...

Page 127: ...Keyword box will become PowerOffDisk Enclosure 1 Slot 1 Tick Confirm The Operation and click Submit NOTE Sometimes the PowerOffDisk command will need to wait for several seconds before command execution is completed web GUI is updated specially when the Raid subsystem is active or busy NOTE If you try to power off a Disk for example Disk in Slot 3 of Enclosure 1 but the Disk is not failed the Disk...

Page 128: ...Fibre to SAS SATA II RAID Subsystem 128 User Manual 3 The Disk Power will be turned off In Device List of Enclosure 1 Disk in Slot 1 will no longer appear ...

Page 129: ...In the Enter The Keyword box type PowerOnDisk press space bar and then type Enclosure 1 Slot 1 The contents of Enter The Keyword box will become PowerOnDisk Enclosure 1 Slot 1 Tick Confirm The Operation and click Submit NOTE Sometimes the PowerOnDisk command will need to wait for several seconds before command execution is completed web GUI is updated specially when the Raid subsystem is active or...

Page 130: ...Set will be rebuilt automatically The Volume Set state will show Rebuilding IMPORTANT If the disk is really failed and cannot power on replace the failed disk with a new one If the failed disk is still good observe this particular disk If this disk fails again replace it with a new one Use the disk manufacturer s utility disk tool to verify the health status of the failed disk ...

Page 131: ... Set 1 Check which Disk has failed In this example Disk in Enclosure 1 Slot 1 has failed The disk failure event can also be verified in the System Event Information event log when you use View Events Mute Beeper under System Controls In this example Disk in Enclosure 1 Slot 2 is configured as Hot Spare NOTE The Disk used in this example is from Enclosure 1 Slot 1 Make sure to verify which Enclosur...

Page 132: ...Slot 1 is shown as Failed 4 To power off the Disk in Slot 1 of Enclosure 1 select Rescue Raid Set under RAID Set Functions In the Enter The Keyword box type PowerOffDisk press space bar and then type Enclosure 1 Slot 1 The contents of Enter The Keyword box will become PowerOffDisk Enclosure 1 Slot 1 Tick Confirm The Operation and click Submit ...

Page 133: ... before command execution is completed web GUI is updated specially when the Raid subsystem is active or busy NOTE If you try to power off a Disk for example Disk in Slot 3 of Enclosure 1 but the Disk is not failed the Disk will not be powered off The screen will show Device Not In Failed State 5 The Disk Power will be turned off ...

Page 134: ...Fibre to SAS SATA II RAID Subsystem 134 User Manual 6 The System Event Information will show Device Removed for Device Enc 1 Slot 1 7 In Device List of Enclosure 1 Disk in Slot 1 will no longer appear ...

Page 135: ...In the Enter The Keyword box type PowerOnDisk press space bar and then type Enclosure 1 Slot 1 The contents of Enter The Keyword box will become PowerOnDisk Enclosure 1 Slot 1 Tick Confirm The Operation and click Submit NOTE Sometimes the PowerOnDisk command will need to wait for several seconds before command execution is completed web GUI is updated specially when the Raid subsystem is active or...

Page 136: ...be turned on IMPORTANT If the disk is really failed and cannot power on replace the failed disk with a new one If the failed disk is still good observe this particular disk If this disk fails again replace it with a new one Use the disk manufacturer s utility disk tool to verify the health status of the failed disk ...

Page 137: ...cally become Hot Spare Note that this function new disk will automatically become hot spare will only work if there is a previously configured hot spare that has replaced a failed disk 11 The System Event Information will show Device Inserted for Enc 1 Slot 1 after executing the PowerOnDisk command and the Disk is still good ...

Page 138: ...al seconds before command execution is completed web GUI is updated specially when the Raid subsystem is active or busy b When a disk has failed in Enclosure 1 Slot 1 and you try to power off Enclosure 1 Slot 1 using the command PowerOffDisk Enclosure 1 Slot 1 remove the failed disk and then power cycle the Raid subsystem the Disk Slot will be powered on If you insert a new Disk in Enclosure 1 Slo...

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