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Partners SurfRAID TRITON Mini User Manual Download Page 14

Introduction

1-7

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 the array. Write operations will typically access one
data drive and one parity drive. However, because different records store their
parity on different drives, write operations can usually be overlapped.

Summary of Contents for SurfRAID TRITON Mini

Page 1: ...SurfRAID TRITON Mini User s Manual Support 800 550 3005 Ultra320 SATA Storage Systems...

Page 2: ...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 regis...

Page 3: ...How ever there is not guarantee that interference will not occur in a particular installation If this equipment does cause interference to radio or television equipment reception which can be determin...

Page 4: ...features and general technol ogy concepts Chapter 2 Getting Started Helps user to identify parts of the SurfRAID TRITON Mini and prepare the hardware for configuration Chapter 3 Configuring Quick Set...

Page 5: ...el 2 2 3 Rear View 2 3 Connecting to Host 2 4 SCSITermination 2 5 Install Hard Drives 2 6 Powering on the SurfRAID TRITON Mini 2 7 Connecting UPS 2 8 Connecting to PC or Terminal Chapter 3 Configuring...

Page 6: ...9 1 System Configuration 3 9 2 U320 SCSI Target Configuration 3 9 3 Ethernet Config 3 9 4 Alert By Mail Config 3 9 5 SNMP Configuration 3 9 6 View Events 3 9 7 Generate Test Events 3 9 8 Clear Events...

Page 7: ......

Page 8: ...of the redundant manner in which data is stored in a RAID array If a disk in the RAID array fails the SurfRAID TRITON Mini con tinues to function without any risk of data loss This is because redunda...

Page 9: ...Built in R Link LAN port interface for remote management event notification v Real time drive activity and status indicators RAID Function Features v Supports RAID levels 0 1 0 1 3 5 and JBOD v Suppor...

Page 10: ...striping This is a method of combining multiple drives into one logical storage unit Striping partitions the storage space of each drive into stripes which can be as small as one sector 512 bytes or...

Page 11: ...thus maximize the number of simultaneous I O operations that can be performed by the array Definition of RAID Levels RAID 0 is typically defined as a group of striped disk drives without parity or da...

Page 12: ...isting 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 individual drive can perform simultaneous i...

Page 13: ...recorded on the remaining drives Records typically span all drives which optimizes the disk transfer rate Because each I O request accesses every drive in the array RAID 3 arrays can satisfy only one...

Page 14: ...dedicated parity drive all drives contain data and read operations can be overlapped on every drive in the array Write operations will typically access one data drive and one parity drive However beca...

Page 15: ...f no more than two drives are used v RAID 3 can be used to speed up data transfer and provide fault tolerance in single user environments that access long sequential records However RAID 3 does not al...

Page 16: ...lds higher performance than with individual drives There is no redundancy Drives are paired and mirrored All data is 100 duplicated on an equivalent drive Fully redundant Data is striped across severa...

Page 17: ...0 MB Sec 40 MB Sec 80 MB Sec 160MB Sec 320MB Sec Cable Length 6 m 3 m 3 m 1 5 m 1 5 m 12 m 12 m 12 m 12 m 1 3 2 Host SCSI ID Selection A SCSI ID is an identifier assigned to SCSI devices which enables...

Page 18: ...ws data and SCSI commands to be transmitted reliably on the SCSI bus The host adapter and the SCSI devices attached to it must be properly termi nated or they will not work reliably Termination means...

Page 19: ...pacity of all the disks in the RAID Set 1 4 2 Volume Set A Volume Set is seen by the host system as a single logical device It is organized in a RAID level with one or more physical disks RAID level r...

Page 20: ...alization complete Furthermore the RAID Volume Set is also protected against a single disk failure while initialing In Fast Initial ization the initialization proceeds must be completed before the Vol...

Page 21: ...residing on that RAID Set is redistributed evenly across all the disks A contiguous block of unused capacity is made available on the RAID Set The unused capacity can create additional Volume Set The...

Page 22: ...capacity without tak ing the system off 1 4 4 High availability 1 4 4 1 Creating Hot Spares A hot spare drive is an unused online available drive which is ready for re placing the failure disk drive I...

Page 23: ...s not avail able 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 24: ...1 Unpacking the SurfRAID TRITON Mini Unpack the SurfRAID TRITON Mini and verify that the contents of the ship ping carton are all there and in good condition Before removing the SurfRAID TRITON Mini f...

Page 25: ...Getting Started 2 2 SurfRAID TRITON Mini unit One power cord One external null modem cable One external UPS cable One RJ 45 ethernet cable Installation Reference Guide...

Page 26: ...ons below identify the various features of the SurfRAID TRITON Mini Get yourself familiar with these terms as it will help you when you read further in the following sections 2 2 1 Front View Slot 1 S...

Page 27: ...y Parts Access LEDs Status LEDs Door latch Key lock 2 2 2 Front Panel Function Green LED indicates power is on Orange blinking LED indicates data is being accessed Use the Up or Down arrow keys to go...

Page 28: ...UPS 3 Monitor Port The SurfRAID TRITON Mini is equipped with a serial monitor port allowing you to connect a PC or terminal 4 R Link Port Remote Link through RJ 45 ethernet for remote man agement The...

Page 29: ...manual for additional installation procedures that may ap ply to your system or host adapter 1 Connect at the rear of the SurfRAID TRITON Mini attach one end of the external SCSI cable to one of the...

Page 30: ...CSI adapter to the Host A in connector and connect the outgoing cable the one which continues on to other devices to the Host A out connector In this case no terminator is required at the SurfRAID TRI...

Page 31: ...nning 1 Pull out an empty disk tray You can install in any available slot 2 Place the hard drive in the disk tray 3 Install the mounting screws on each side to secure the drive in the mo bile rack 4 S...

Page 32: ...power cord to the power connector located at the rear of the SurfRAID TRITON Mini 2 Turn on the power 3 The Power LED on the front panel will turn green After a few moments the LCD should display the...

Page 33: ...UPS port located at the rear of the system unit It allows you to connect a UPS fail signal Description Not used UPS Line Fail Not used UPS Common Not used Not used Not used Not used Not used Pin 1 2 3...

Page 34: ...ata RD Transmit Data TD Data Teminal Ready DTR Signal Ground SG Data Set Ready DSR Ready To Send RTS Clear To Send CTS Ring Indicator RI Pin 1 2 3 4 5 6 7 8 9 Note Refer to Chapter 3 for instructions...

Page 35: ...connected through the controller s serial port Front panel touch control keypad Web browser based Remote RAID management via the R Link ethernet port Important The SurfRAID TRITON Mini allows you to...

Page 36: ...Configuring 3 2 SurfRAID TRITON Mini Note You may connect a terminal while the SurfRAID TRITON Mini s power is on 2 Power on the terminal 3 Run the VT100 program or an equivalent terminal program...

Page 37: ...Configuring 3 3 4 The default setting of the monitor port is 115200 baud rate 8 data bit non parity 1 stop bit and no flow control...

Page 38: ...Configuring 3 4 5 Click disconnect button 6 Open the File menu and then open Properties...

Page 39: ...ing 3 5 7 Open the Settings Tab 8 Open the Settings Tab Function arrow and ctrl keys act as Terminal Keys Backspace key sends Crtl H Emulation VT100 Telnet terminal VT100 Back scroll buffer lines 500...

Page 40: ...tion ESC key Return to previous screen L key Line draw X key Redraw 9 Now the VT100 is ready to use After you have finished the VT100 Ter minal setup you may press X key in your Terminal to link the S...

Page 41: ...d has been set the user can only monitor and configure the SurfRAID TRITON Mini by providing the correct password The password is used to protect from unauthorized entry The controller will check the...

Page 42: ...stomized RAID Set Create a customized Volume Set View individual disk information Setting the RAID system configuration Setting the U320 SCSI configuration Setting the Ethernet configuration View all...

Page 43: ...the LCD Panel The LCD Display front panel function keys are the primary user interface for the SurfRAID TRITON Mini Except for the Firmware update all configura tion can be performed through this int...

Page 44: ...Configuring 3 10 3 3 Menu Diagram The following tree diagram is a summary of the various configuration and setting functions that can be accessed through the LCD panel menus or the terminal monitor...

Page 45: ...Configuring 3 11...

Page 46: ...Configuring 3 12...

Page 47: ...Configuring 3 13...

Page 48: ...Configuring 3 14...

Page 49: ...i on a remote machine you need to know its IP Address Launch your web browser by entering http IP Address in the remote web browser Important The Ethernet default IP is 192 168 001 100 DHCP function i...

Page 50: ...and Stripe Size Create a customized RAID Set Create customized Volume Sets and modify the existing Volume Sets parameter Create Pass Through Disks Modify the existing Pass Through Drives parameter It...

Page 51: ...olume Set The user can change the RAID Level Capacity Volume Initialization Mode and Stripe Size A hot spare option is also created depending upon the existing configuration Click on Confirm The Opera...

Page 52: ...D Set is a group of disks containing one or more Volume Sets With the SurfRAID TRITON Mini four RAID Sets can be created 3 6 1 Create RAID Set To create a RAID Set click on the Create RAID Set link A...

Page 53: ...AID Set link A Select The RAID SET To Delete screen is displayed showing all RAID Sets existing in the current con troller Click the RAID Set number you wish to delete in the Select Column To Delete s...

Page 54: ...lect the target RAID Set which you want to expand Click on the available disk and Confirm The Operation and then click on the Submit button to add disks to the RAID Set Note 1 Once the Expand RAID Set...

Page 55: ...igration status is displayed in the RAID status section of the RAID Set information area when a disk is added to a RAID Set Migration status is also displayed in the associ ated Volume Status section...

Page 56: ...owered on again The RAID Set can be activated using the Activate RAID Set option Once activated the RAID State will change to Degraded Mode To activate the incomplete the RAID Set click on the Activat...

Page 57: ...Configuring 3 23 Click on the Submit button to activate the RAID Set that has had a disk removed in a power off state The SurfRAID TRITON Mini will continue to work in degraded mode...

Page 58: ...by clicking on the appropriate check box Click on Confirm The Operation and click on the Submit button to create the hot spares The create Hot Spare option gives you the ability to define a global ho...

Page 59: ...Configuring 3 25 3 6 7 Rescue RAID Set If you need to Rescue Missing RAID Set please contact our engineer for assistance...

Page 60: ...the RAID Set will have its data spread evenly across all the disks in the RAID Set 3 7 1 Create Volume Set The following are Volume Set features 1 Volume Sets of different RAID levels may coexist on...

Page 61: ...the 15 character limit RAID Level Set the RAID level for the Volume Set Highlight RAID Level and press Enter The available RAID levels for the current Volume Set are displayed Select a RAID level and...

Page 62: ...Through Cache and Write Back Cache Tag Queuing The Enabled option is useful for enhancing overall system performance under multi tasking operating systems The Command Tag Drive Channel function contr...

Page 63: ...te Volume Set link The Select The Volume Set To Delete screen will show all RAID Set numbers Click on a RAID Set number and Confirm The Operation and then click on the Submit button to show all Volume...

Page 64: ...n Click on Confirm The Operation and click on the Submit button to complete the action User can modify all values except the capacity 3 7 3 1 Volume Expansion Volume Capacity Logical Volume Concatenat...

Page 65: ...Configuring 3 31...

Page 66: ...e RAID level to an other a Volume Set strip size changes or when a disk is added to a RAID Set Migration status is displayed in the Volume Status area of the RAID Set Hierarchy screen when one RAID le...

Page 67: ...tion to verify the correctness of the redundant data in a Volume Set For example in a system with dedicated parity Volume Set check means computing the parity of the data disk drives and comparing the...

Page 68: ...hrough link The relative setting function screen appears Disks are not controlled by the SurfRAID TRITON Mini firmware and thus cannot be a part of a Volume Set The disk is available to the operating...

Page 69: ...s through disk To modify the pass through drive attribute from the pass through drive pool move the cursor to click on Modify Pass Through link The Select The Pass Through Disk For Modification screen...

Page 70: ...n 3 8 4 Identify Selected Drive To prevent removing the wrong drive the selected disk LED will turn on for visually locating the selected disk when the Identify Selected Drive is se lected To identify...

Page 71: ...Setting The Alert Beeper function item is set to Disable or Enable the SurfRAID TRI TON Mini controller alarm tone generator RAID Rebuild Priority The RAID Rebuild Priority is a relative indication of...

Page 72: ...RAID TRITON Mini allows user to choose the SATA Mode SATA150 SATA150 NCQ SATA300 SATA300 NCQ Disk Capacity Truncation Mode This SurfRAID TRITON Mini uses drive truncation so that drives from differing...

Page 73: ...the main menu and click on the U320 SCSI Target Config The Enabled option sup ports Quick Arbitration and Selection QAS QAS reduces the overhead of control release on the SCSI bus from one device to a...

Page 74: ...ing 3 40 3 9 3 EtherNet Config To set the EtherNet function move the cursor to the main menu and click on EtherNet Config The RAID System EtherNet Function menu will show all items Select the desired...

Page 75: ...and click on Alert By Mail Config The RAID System Event Notification Function menu will show all items Select the desired function When an abnormal condi tion occurs an error message will be emailed...

Page 76: ...or to the main menu and click on SNMP Configuration The RAID System SNMP Function menu will show all items Select the desired function SNMP Trap Configurations Type the SNMP Trap IP Address The Port d...

Page 77: ...vice Event type Elapse Time and Errors The system does not build the real time clock The Time information is the relative time from the SurfRAID TRITON Mini power on categories This allows a user to e...

Page 78: ...u want to generate test events move the cursor to the main menu and click on Generate Test Events Click on Confirm The Operation and click on the Submit button to create the hot spares Then click on t...

Page 79: ...ture to clear the entire events buffer information 3 9 9 Modify Password To set or change the SurfRAID TRITON Mini password move the cursor to the RAID System Function screen and click on the Change P...

Page 80: ...ord only when entering the Main menu from the initial screen The SurfRAID TRITON Mini will automati cally go back to the initial screen when it does not receive any command in ten seconds To disable t...

Page 81: ...hy Use this feature to view the SurfRAID TRITON Mini current RAID Set current Volume Set and Physical Disk Configuration To view the RAID Set information move the cursor to the right column and click...

Page 82: ...een appears TheSMARTAttribute Threshold Is A Normalized Value The Value Is The Larger The Better If The Attribute Value Is Smaller Than The Threshold Value The Disk Is In Unstable State To view the Vo...

Page 83: ...ain menu and click on the System Information link The SurfRAID TRITON Mini Information screen appears Use this feature to view the SurfRAID TRITON Mini controller s information The controller name fir...

Page 84: ...465V 2 375V or 2 625V 1 235V or 1 365V 1 14V or 1 26V 3 10 3 Hardware Monitor To view the SurfRAID TRITON Mini controller s hardware monitor information move the cursor to the main menu and click the...

Page 85: ...Each configu ration method requires a different level of user input The general flow of op erations for RAID Set and Volume Set configuration is Step Action 1 Designate hot spares pass through option...

Page 86: ...ware flash chip in order to upgrade the RAID firmware The user can simply re program the old firmware through the RS 232 port New releases of the firmware are available in the form of a DOS Firmware c...

Page 87: ...ogram is used must support the ZMODEM file transfer protocol Web browser based RAID management can be used to update the firmware You must complete the appropriate installation procedure before procee...

Page 88: ...er Open Send File 4 Select ZMODEM modem under Protocol ZMODEM as the file transfer proto col of your terminal emulation software 5 Click Browse Look in the location where the Firmware upgrade software...

Page 89: ...Array Maintenance 4 4 7 When the Firmware completes downloading the confirmation screen appears Press Yes to start programming the flash ROM 6 Click Send Send the Firmware Binary to the controller...

Page 90: ...e upgrade will take approximately thirty seconds to complete 10 After the Firmware upgrade is complete a bar indicator will show Firmware Has Been Updated Successfully NOTE The user has to reconfigure...

Page 91: ...ove the cursor to Upgrade Firmware link The Upgrade The Raid System Firmware screen appears 2 Click Browse Look in the location where the Firmware upgrade software is located Select the File name 6160...

Page 92: ...Array Maintenance 4 7 5 After the firmware upgrade is complete a bar indicator will show Firmware Has Been Updated Successfully...

Page 93: ...s Hot swap power supply Cooling fan On line expansion Multiple RAID selection Failed disk auto rebuild Array Roaming Bad block auto remapping Online RAID level migration Audible alarm Host Independent...

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