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Chapter 5: Concepts

RAID 1

Recommended Applications for RAID 1

•

Accounting

•

Payroll

•

Financial

•

Any application requiring very high availability

RAID 5

Recommended Applications for RAID 5

•

File and Application servers

•

WWW, E-mail, and News servers

•

Intranet servers

•

Most versatile RAID level

RAID 10

Recommended Applications for RAID 10

Advantages

Disadvantages

Simplest RAID storage subsystem
design

Can increase read performance by
processing data requests in parallel
since the same data resides on two
different drives

Very high disk overhead - uses only
50% of total capacity

Advantages

Disadvantages

High Read data transaction rate

Medium Write data transaction rate

Good aggregate transfer rate

Disk failure has a medium impact on
throughput

Advantages

Disadvantages

Implemented as a mirrored logical drive
whose segments are RAID 0 logical
drives

High I/O rates are achieved thanks to
multiple stripe segments

Very high disk overhead - uses only
50% of total capacity

Содержание FASTTRAK SX4300

Страница 1: ...FASTTRAK SX4300 SX8300 USER MANUAL Version 1 0...

Страница 2: ...may contain technical inaccuracies typographical or other errors Promise Technology assumes no liability for any error in this publication and for damages whether direct indirect incidental consequen...

Страница 3: ...ision reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the...

Страница 4: ...FastTrak SX4300 SX8300 User Manual iv...

Страница 5: ...iew Drive Assignments Split Disk Drives 20 Delete Logical Drive 21 Controller Configuration 22 Halt On Error 23 System Resources 23 Logical Drive Problems 23 RAID 0 and JBOD 25 Chapter 4 Installing So...

Страница 6: ...5 Concepts 35 About FastTrak 35 Introduction to RAID 35 Choosing a RAID Level 42 Other Logical Drive Features 44 Stripe Block Size 44 Gigabyte Boundary 45 Initialization Fast Init 45 Hot Spare Drive 4...

Страница 7: ...of contents chapter task lists and numerous cross references to help you find the specific information you are looking for Also included are four levels of notices Note A Note provides helpful informa...

Страница 8: ...and JBOD depending on the application being used FastTrak SX8300 can be configured for RAID 50 also Set up a network of FastTrak RAID servers all running under different RAID levels and monitor those...

Страница 9: ...that exist anywhere on a network Browser based GUI provides email notification of all major events alarms memory cache management drive event logging logical drive maintenance rebuild and access to a...

Страница 10: ...FastTrak SX4300 SX8300 User Manual 4...

Страница 11: ...damaged please contact your dealer or distributor immediately SX8300 When you receive the FastTrak SX8300 card the package should contain the items listed below FastTrak SX8300 RAID Controller Card Q...

Страница 12: ...ove the inside slot cover of an available PCI X slot on the motherboard Warning Before installing the adapter into an existing system backup any important or useful data Failure to follow this accepte...

Страница 13: ...n to create a mirror RAID 1 for protection you can use two new drives OR use an existing drive and a new drive The new drive must be the same size or larger than the existing drive 1 Install the disk...

Страница 14: ...than Promise Technology s SuperSwap is not supported and may result in performance loss or other undesired results FASTTRAK SX4300 Ch1 Ch2 Ch3 LED Pins Ch4 SMBus Connector Buzzer FastTrak SX4300 FASTT...

Страница 15: ...cal drive with the attached drives Even if you plan to use the WebPAM software to manage your logical drive you can still create your first logical drive using the FastBuild Utility as described here...

Страница 16: ...ress Enter to select it The Define LD Menu for the logical drive number you selected will next appear below 5 Choose the RAID Level you want In the Define LD Menu section press the Spacebar to cycle t...

Страница 17: ...he table under Installing the Disk Drives on page 7 A disk drive that is not assigned to a logical drive will automatically function as a Hot Spare Drive 8 Press Ctrl Y to save your logical drive conf...

Страница 18: ...FastTrak SX4300 SX8300 User Manual 12...

Страница 19: ...mber assigned to each logical drive by the BIOS Mode The RAID mode level configuration of the logical drive Size The data capacity of the logical drive in MB Megabytes Track Mapping This is the CHS Cy...

Страница 20: ...her device For RAID levels 1 5 10 and 50 at least two or more disk drives in the logical drive have failed For a RAID 0 or JBOD logical drive at least one disk drive has failed Main Menu When the Fast...

Страница 21: ...o which the disk drive belongs In the example above there is one logical drive composed of three disk drives LD 1 2 means logical drive 1 disk drive 2 Unassigned drives are labeled free and are consid...

Страница 22: ...define and press Enter to select it The Define LD Menu for the logical drive number you selected will next appear below 3 Choose the RAID Level you want In the Define LD Menu section press the Spaceb...

Страница 23: ...cally function as a Hot Spare Drive 6 Press Ctrl Y to save your logical drive configuration You have the option of using all of the disk drive capacity for one logical drive or allocating a portion to...

Страница 24: ...rives Continued from Create Logical Drive step 7 above 1 Press Ctrl Y to allocate a portion of the disk drives to the first logical drive 2 Enter the desired capacity in MB for the first logical drive...

Страница 25: ...ve In this example the disk drive in Channel 4 is not assigned to a logical drive in order to use it as a hot spare drive 5 Press Ctrl Y to save your logical drive configuration 6 Press Esc to exit to...

Страница 26: ...1 belongs to logical drive 1 LD 1 Extent 2 belongs to logical drive 2 LD 2 Under Assignment the disk drive is divided into LD 1 and LD 2 For example LD 1 2 means logical drive 1 disk drive 2 LD 2 3 m...

Страница 27: ...he selected logical drive appears below Caution Deletion of an existing logical drive will result in the loss of all data saved on the logical drive Record all logical drive information including RAID...

Страница 28: ...on The screen returns to the Delete LD Menu Press Esc to return to the Main Menu Controller Configuration From the Main Menu screen press 4 to display the Controller Configuration Options screen below...

Страница 29: ...and size The system IRQ used by the FastTrak card Base Addresses advanced troubleshooting Logical Drive Problems While disk drives are highly reliable on occasion a disk drive can fail Fault tolerant...

Страница 30: ...ou enabled the Halt On Error option your system will stop booting at this point 1 Press Ctrl F to access the FastBuild utility 2 From the Main Menu screen press 3 to see the Define LD Menu 3 Press the...

Страница 31: ...failed drive The disk drive on Channel 2 has failed In an actual situation you would replace this disk drive See Installing the Disk Drives on page 7 for help identifying Channels on the FastTrak Cont...

Страница 32: ...FastTrak SX4300 SX8300 User Manual 26...

Страница 33: ...tallation 31 Windows XP Install Driver During New OS Installation 31 Install Driver in an Existing System 32 Confirm Installation 32 Windows 2000 Install Driver During New OS Installation 33 Install D...

Страница 34: ...do so at this time Once all devices are specified continue to the next step 6 From the Windows Setup screen press the Enter Setup will now load all device files and then continue the Windows installat...

Страница 35: ...ion 1 From the Windows Desktop open the Control Panel from My Computer 2 Click on Performance and maintenance 3 Click on the System icon 4 Choose the Hardware tab and then click the Device Manager but...

Страница 36: ...the driver to install and click Next 4 Under Select the device driver you want to install click Have Disk 5 Under Install from Disk type A winxp and click OK 6 Under Select the device driver you want...

Страница 37: ...wing mass storage devices The list will include Win2000 Promise FastTrak SX4300 8300 tm Controller Note If you need to specify any additional devices to be installed do so at this time Once all device...

Страница 38: ...m the Windows Desktop open the Control Panel from My Computer 2 Click on the System icon 3 Choose the Hardware tab and then click the Device Manager button 4 Click the in front of SCSI controllers Win...

Страница 39: ...d press Enter 6 Run cd umount mnt floppy 7 Remove the FastTrak Driver Diskette and type reboot to restart the system Note Check the readme file included with the downloaded driver files for instructio...

Страница 40: ...insert the FastTrak driver diskette into the floppy drive 5 Finish the installation normally Install Driver in an Existing System 1 Insert the FastTrak driver diskette into the floppy drive 2 Type th...

Страница 41: ...S appears during bootup press Ctrl F to enter the FastBuild setup to select from menu settings Introduction to RAID RAID Redundant Array of Independent Disks allows multiple hard drives to be combined...

Страница 42: ...entical drives are recommended for performance as well as data storage efficiency The logical drive s data capacity is equal to the number of drive members multiplied by the smallest logical drive mem...

Страница 43: ...rive will be used as the replacement drive and data will begin to be mirrored to it from the remaining good drive Figure 2 RAID 1 Mirrors identical data to two drives Due to the data redundancy of mir...

Страница 44: ...l I O request sizes for your system The block size must be set at the time the logical drive is created and cannot be adjusted dynamically RAID 5 makes efficient use of hard drives and is the most ver...

Страница 45: ...d over a second drive pair Figure 4 RAID 10 takes a data mirror on one drive pair and stripes it over two drive pairs The data capacity is similar to a RAID 1 logical drive with half of the total stor...

Страница 46: ...as follows CH indicates channels on the FastTrak Controller card A B indicates which striped pair the drive belongs to 1 2 indicates which part of stripe data Under RAID 10 the array maintains data i...

Страница 47: ...lume sizes RAID 50 also provides high reliability because data is still available even if two disk drives fail one in the 1 3 5 data stripe the other in the 2 4 6 data stripe as shown in the example b...

Страница 48: ...mmarizes some advantages disadvantages and applications for each choice RAID 0 Recommended Applications for RAID 0 Image Editing Pre Press Applications Any application requiring high bandwidth Advanta...

Страница 49: ...ystem design Can increase read performance by processing data requests in parallel since the same data resides on two different drives Very high disk overhead uses only 50 of total capacity Advantages...

Страница 50: ...res Stripe Block Size The choices are 32K 64K and 128K 64K is the default This selection will directly affect performance There are two issues to consider when selecting the stripe block size Advantag...

Страница 51: ...within 1 gigabyte than the remaining working drives This can be helpful in the event that a drive fails and an exact replacement model is no longer available You must set the Gigabyte Boundary featur...

Страница 52: ...iteThru write through A write back cache holds data after an I O operation and tells the controller the data has been written The data is written as soon as the disk drive is no longer busy This actio...

Страница 53: ...this function WebPAM ships with the FastTrak SX Series card on the software CD Migration takes place on an existing Functional logical drive without disturbing the existing data While the logical dri...

Страница 54: ...nt The Target logical drive may require more disk drives than the Source logical drive If the Target logical drive requires an EVEN number of disk drives but the Source logical drive has an ODD number...

Страница 55: ...See the table below You can direct WebPAM PRO or the CLU to expand a logical drive beyond the maximum expansion size However when expansion is finished your logical drive will be the maximum size lis...

Страница 56: ...FastTrak SX4300 SX8300 User Manual 50...

Страница 57: ...nding on the motherboard BIOS This setting is usually made in the PCI Configuration and or Plug and Play PnP section of the motherboard BIOS setup There are three common methods that motherboard BIOS...

Страница 58: ...Motherboard BIOS it is necessary to set the Boot sequence to SCSI A C since the Promise card is identified as a SCSI card Motherboard CMOS displays C or D drive failure during startup See the Drive R...

Страница 59: ...capacity that exceeds 64GB This is a cosmetic not actual limitation Simply create a single DOS drive partition reboot and then format the partition The Format command will recognize the total capacit...

Страница 60: ...riate time Reboot the system and press the F6 key when the message Press F6 if you need to install third party SCSI or RAID driver appears No Hard Drives Found message appears during CD ROM installati...

Страница 61: ...Series Use matching drives for multiple drive arrays to maximize capacity usage as well as performance What it the maximum disk drive storage capacity of FastTrak SX Series FastTrak SX8300 supports u...

Страница 62: ...ection with their arrays The FastTrak SX Series implements five RAID levels plus JBOD as follows RAID 0 Stripe RAID 1 Mirror RAID 5 Block Striping with Distributed Parity RAID 10 Mirroring Striping RA...

Страница 63: ...formatting hard disk drives is not only unnecessary but it generally does not correct problems commonly experienced during use Errors such as bad sectors or ECC CRC failure are best remedied by compl...

Страница 64: ...them will be determined exclusively by their PCI PCI X slot priority PCI slot 1 will be first slot 2 second etc Put the FastTrak Controller in the PCI X slot where it will be accessed ahead of other...

Страница 65: ...version numbers A description of the problem situation System configuration information including motherboard and CPU type hard drive model s SATA ATA ATAPI drives devices and other controllers Techni...

Страница 66: ...il Support support de promise emea com Fax Technical Support 49 0 2 31 56 76 48 29 Attention Technical Support Phone Technical Support 49 0 2 31 56 76 48 0 8 30am 5 00pm M F Germany Time If you wish t...

Страница 67: ...com tw Fax Technical Support 886 3 578 2390 Attention Technical Support Phone Technical Support 886 3 578 2395 ext 8870 9 00am 5 30pm M F Taiwan Time If you wish to write us for support Promise Techno...

Страница 68: ...ng the suitability of any product for use with any other item You assume full responsibility for selecting products and for ensuring that the products selected are compatible and appropriate for use w...

Страница 69: ...up your data before installing any product and for regularly backing up your data after installing the product Promise is not liable for any damage to equipment or data loss resulting from the use of...

Страница 70: ...packaging is not covered under the Limited Warranty When repairing returned product s Promise may replace defective parts with new or reconditioned parts or replace the entire unit with a new or reco...

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