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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.

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Содержание SurfRAID TRITON Mini

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 7: ......

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 45: ...Configuring 3 11...

Страница 46: ...Configuring 3 12...

Страница 47: ...Configuring 3 13...

Страница 48: ...Configuring 3 14...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 65: ...Configuring 3 31...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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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