Adaptec 6320SS - DuraStor Hard Drive Array Guia do Utilizador

Adaptec Disk ArrayAdministratorUser’s Guide

1-4Getting StartedThe Adaptec Disk Array Administrator ScreenFigure 1-1 shows the System Menu screen. All other menus are accessed from this screen an

7-12TroubleshootingTable 7-3 Sense Key Descriptions Sense Key Description0h No sense1h Recovered error2h Not ready3h Medium error4h Hardware error5h

7-13TroubleshootingDisk Channel ErrorsDisk channel errors are similar to disk-detected errors, except they are detected by the controller, instead of

7-14TroubleshootingTable 7-5 Disk Channel Error Codes Error Code Description04 Data overrun or underrun occurred while getting sense data.05 Request

7-15TroubleshootingVoltage and Temperature Errors and WarningsMost voltage and temperature errors and warnings occur due to the storage enclosure. Che

A-1AStorage ConceptsIn This AppendixDisk Array Administrator uses specific terms to describe storage concepts and configurations. If you are new to st

A-2Storage ConceptsControllersA controller is a hardware device that performs input/output (I/O) functions. Controllers also perform other functions s

A-3Storage Concepts Channel Number—Indicates to which channel (bus) on the controller the SCSI drive is attached. SCSI ID (also known as target ID)—

A-4Storage ConceptsFigure A-1 represents an array made up of two disk drives. The free space of the larger drive is not used.Figure A-1 One array mad

A-5Storage Concepts2 Contiguous storage space produced during the RAID creation process. See Figure A-2. Figure A-2 Array Made of Single PartitionsTh

A-6Storage ConceptsRedundancyRedundancy refers to the capability of preventing data loss if a disk drive fails. Some array types give you this capabil

1-5Getting StartedNote: After 4 minutes of inactivity, Adaptec Disk Array Administrator times out and returns to the System Menu screen.Changing the S

A-7Storage ConceptsThe types of arrays you can create depends on the maximum number of disk drives you can use on the controller.RAID 5 set Lower co

A-8Storage ConceptsVolume SetA volume set, also known as a virtual disk or a JBOD, is a single disk drive that is not used in an array. Depending on t

A-9Storage ConceptsA stripe set distributes the data among the partitions in a way that optimizes access speed (performance). By making a single reque

A-10Storage ConceptsApplications Suitable for Striped SetsCompared to RAID arrays, striped sets are not well-suited for online storage of important da

A-11Storage ConceptsApplications Suitable for Mirror SetsMirror sets are particularly suitable for the following types of applications: Data for whic

A-12Storage ConceptsFigure A-6 RAID 5 setApplications Suitable for RAID 5 SetsThese types of applications are suitable for RAID 5 sets: Transaction

A-13Storage ConceptsStripe Set of Mirror Sets (RAID 0/1)Multilevel arrays or hybrid arrays are arrays that contain other arrays. A stripe set of mirro

A-14Storage ConceptsThe stripe set of mirror sets is the top-level array, and mirror sets A, B, and C are the underlying arrays.Applications Suitable

A-15Storage ConceptsFigure A-8 Stripe set of RAID 5 setsThe stripe set of RAID 5 sets is the top-level array, and RAID 5 sets A and B are the underly

B-1BSAF-TE ImplementationIn This AppendixThis section describes how to implement the SCSI Accessed Fault-Tolerant Enclosures (SAF-TE) Interface Specif

2-12Creating and Managing Arrays and PartitionsIn This ChapterCreating ArraysYou can create an array at any time. Table 2-1 describes the disk drive r

B-2SAF-TE ImplementationEnclosure ConsiderationsThe DuraStor Storage Subsystem includes SEPs. The controller provides information to the user via the

B-3SAF-TE ImplementationAdministrator Utility SEP Configuration OptionsSAF-TE configuration settings are automatically enabled when the DuraStor 6200S

Glossary-1GlossaryAactive-activeActive-active mode is when two controllers in a storage system cooperate to provide redundancy. If one controller fail

Glossary-2GlossarychunkA contiguous set of data written onto a single disk drive when a stripe set, RAID 5 set, or stripe set of mirror sets distribut

Glossary-3GlossaryEenclosureA physical housing for disk drives, which can be connected externally to a computer. An enclosure usually contains one or

Glossary-4GlossaryHHBA (host bus adapter)An HBA is the critical link between a host server or workstation and a storage subsystem, integrating computi

Glossary-5GlossaryLlogical unit numberSee LUN.loop addressA loop address is an fibre channel (FC) term that indicates the unique ID of a node in FC lo

Glossary-6GlossarypartitionA subdivision of a disk or storage area. There are three main types of partitions:1 A portion of a physical or virtual disk

Glossary-7GlossaryRRAID 0See stripe set (RAID 0).RAID 0/1See stripe set of mirror sets (RAID 0/1).RAID 0/5See stripe set of RAID 5 sets (RAID 50).RAID

Glossary-8GlossaryredundancyThe capability of preventing data loss if a disk drive fails. Some array types give you this capability using one of two m

2-2Creating and Managing Arrays and PartitionsNote: Before you create more than one array, you must be sure that your host OS supports multiple Logica

Glossary-9GlossarySCSI channel terminationSee termination.SCSI deviceA single unit on a SCSI bus that originates or services SCSI commands. A SCSI dev

Glossary-10Glossarystorage systemA storage system is when the RAID controller resides outside of the host system enclosure. The subsystem is controlle

Glossary-11GlossaryterminationTermination (also known as a terminator block) refers to the electrical connection at each end of a SCSI bus. The functi

Index-1IndexAA and B controllers. See controllers, 1 and 2active-active modeadding arrays 5-10array ownership 2-18, 5-9definition 5-8deleting arrays 5

Index-2IndexBbackoff percentage 7-3battery 5-18 to 5-19battery life monitor 5-19 to 5-20baud rate 1-3, 7-2blinking LEDs 6-5bootup troubleshooting 7-6b

Index-3Indexhot-swapping 5-22LEDs 6-5member number 6-2metadata 6-3rescanning 6-6rescanning channels 5-21SMART 6-5spare pools 4-5spare types 4-1status

Index-4Indexnumbering 5-5operating systems 2-3overlapping 2-3parititon LUNs 5-6SEP 6-8SEP LUNs 5-6statistics 3-7viewing 5-6Mmember number 6-2metadata

Index-5IndexSSAF-TE B-1 to B-3SEPsand SAF-TE enclosures 6-8 to 6-10and SAF-TE implementation B-1 to B-3SAF-TE enclosures 6-8 to 6-10SAF-TE Environment

Index-6Indexterminal emulator 1-2troubleshooting 7-2terminal program parameters 1-2Test Unit Ready command. See TUR command 6-7timing out 1-5troublesh

RAdaptec, Inc.691 South Milpitas BoulevardMilpitas, CA 95035 USA© 2001 Adaptec, Inc.All rights reserved. Adaptec and the Adaptec logo are trademarks o

2-3Creating and Managing Arrays and PartitionsIf you want to create a multiple-partition array, see Creating a Multiple-Partition Array on page 2-6.3

2-4Creating and Managing Arrays and PartitionsIf you selected any array type other than RAID 50, the Number of Drives prompt appears.6 Type the number

2-5Creating and Managing Arrays and Partitions9 Select a disk drive to use as a dedicated spare and press Enter.Only available disk drives (those that

2-6Creating and Managing Arrays and PartitionsNote: Most OSs, such as Windows NT 4.0, require you to reboot the host system to see the new array. NetW

2-7Creating and Managing Arrays and PartitionsNote: A RAID 10 array is automatically created when there are more than two disk drives in a mirrored ar

2-8Creating and Managing Arrays and Partitions7 Type the number of spares you want to add and press Enter. This creates dedicated spares that can only

iiCopyright© 2001 Adaptec, Inc. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in an

2-9Creating and Managing Arrays and PartitionsIf you need to change the disk drives or some other array configuration, you can stop the array initiali

2-10Creating and Managing Arrays and PartitionsTo add a partition:1 From the System Menu, select Array Menu and press Enter.The Select Array menu appe

2-11Creating and Managing Arrays and PartitionsViewing Array and Disk Drive Status InformationYou can view array status and disk drive status at any t

2-12Creating and Managing Arrays and PartitionsTo view the status of an array:1 From the System Menu, select Array Menu and press Enter.The Select Arr

2-13Creating and Managing Arrays and Partitions3 Select Drive Status and press Enter.The Display Drives menu appears showing the disk drives that are

2-14Creating and Managing Arrays and PartitionsTo verify an array:1 From the System Menu, select Array Menu and press Enter.The Select Array menu appe

2-15Creating and Managing Arrays and Partitions5 Press Esc to return to the Verify Function menu.Stopping the VerificationYou can stop the verificatio

2-16Creating and Managing Arrays and PartitionsExpanding Array CapacityYou can expand array capacity without stopping I/O activity. You can only expan

2-17Creating and Managing Arrays and PartitionsTo expand an array:1 From the System Menu, select Array Menu and press Enter.The Select Array menu appe

2-18Creating and Managing Arrays and Partitions2 Select the array you want and press Enter.That array’s Array menu appears.3 Select Expand Function an

iiiContents1 Getting Started About This Guide 1-1Getting Online Help 1-2Accessing Adaptec Disk Array Administrator 1-2The Adaptec Disk Array Administr

2-19Creating and Managing Arrays and Partitionscontroller you change it to. You can no longer see the array on the original controller.Note: When you

2-20Creating and Managing Arrays and Partitions An array is offline because a disk drive is failing, you have no data backup, and you want to try to

2-21Creating and Managing Arrays and Partitions9 Select Yes and press Enter.The array will be back onlineNote: If the array does not come back online,

2-22Creating and Managing Arrays and PartitionsManaging PartitionsUsing Adaptec Disk Array Administrator you can manage partitions by Viewing partiti

2-23Creating and Managing Arrays and PartitionsWhen you create a partition, you set the size of the partition. Figure 2-2 shows a single partition.Fig

2-24Creating and Managing Arrays and PartitionsAfter expanding an array, you can either add a partition or expand the last partition to use the new fr

2-25Creating and Managing Arrays and PartitionsTo view the status of a partition:1 Display the Partition Menu. (See Table 2-3):The Partition Menu scre

2-26Creating and Managing Arrays and PartitionsSimilar statistics are also available on an aggregate basis for all partition LUNs. See Displaying Over

2-27Creating and Managing Arrays and PartitionsTo reset partition statistics:1 Display the Partition Menu. See Step 1 on page 2-25 for instructions.2

2-28Creating and Managing Arrays and PartitionsTo change a partition name:1 Display the Partition Menu. See Step 1 on page 2-25 for instructions.2 Sel

ivContents3 Monitoring System Status Displaying the Event Log 3-1Viewing the Most Recent Event 3-3Viewing One Event at a Time 3-3Viewing a Whole Scree

2-29Creating and Managing Arrays and PartitionsDeleting a PartitionYou can delete a partition when you no longer need it and you want to use the space

3-13Monitoring System StatusIn This ChapterYou can monitor your system regularly to ensure that the controller, disk drives, and arrays are working pr

3-2Monitoring System StatusBelow is a list of some of the key warning and failure events included in the event log during operation: Disk detected er

3-3Monitoring System StatusViewing the Most Recent EventThe most recent voltage or temperature event displays in rotation with the date and time whene

3-4Monitoring System StatusCapturing the Event Log FileThe entire event log can be saved to a file, which is useful if you want to print the log or at

3-5Monitoring System StatusTable 3-1 Configuration Information Group Field What DisplaysHOST Enabled Field is just a placeholder.SE/LVD Negotiation r

3-6Monitoring System StatusTo display hardware information only:1 From the System Menu, select Utilities Menu and press Enter.The Utilities menu appea

3-7Monitoring System StatusDisplaying Overall StatisticsAggregate statistics for all partition LUNs can be displayed in two formats: List of general

3-8Monitoring System StatusThese statistics can help you interpret performance based on individual system configurations and OSs. They can be used to

3-9Monitoring System StatusResetting Overall StatisticsYou can reset all of the overall statistics back to zero, which you may want to do if you are m

vContentsDisabling SCSI Channel 3 5-14Changing the Sample Rate 5-15Understanding the Audible Alarm 5-16Changing the Alarm Mute Setting 5-16Locking the

4-14Managing SparesIn This ChapterDuraStor RAID controllers automatically reconstruct redundant (fault-tolerant) arrays (RAID 3, RAID 4, RAID 5, RAID

4-2Managing SparesManaging Dedicated SparesDedicated spares are unused disk drives that you assign as a spare to a specific array. Each disk drive mus

4-3Managing SparesNote: If a disk drive was a member of an array and was removed from that array, you cannot use it as a spare until you clear the its

4-4Managing SparesWith Dynamic Spares enabled, if you have spares or available drives, the controller first looks for a dedicated or spare pool drive

4-5Managing SparesManaging the Spare PoolDisk drives in the spare pool are available for the reconstruction of redundant arrays. Once you assign a dis

4-6Managing SparesDisplaying the Spare PoolYou can display a list of all of the pool spares.To display the spare pool:1 From the System Menu, select P

5-15Configuring the ControllerIn This ChapterRebooting the Controller 5-2Changing the Date and Time 5-2Configuring the Host Channels 5-3Understanding

5-2Configuring the ControllerRebooting the ControllerYou may need to shut down and restart the controller after you make certain configuration changes

5-3Configuring the Controller3 Select Set Date and press Enter.The Set Date prompt appears.4 Type the date using this format: mm/dd/yyyy. Press Enter.

5-4Configuring the ControllerTable 5-1 Host Channel Settings Host Channel SettingModes Available DescriptionEnable/DisableStand-alone single-portYou

viContentsWarning and Error Events 7-8Warnings 7-8Errors 7-9Using the Loader Diagnostics Menu 7-10Using the Loader Utility Menu 7-11Understanding SCSI

5-5Configuring the ControllerTo configure the host channels:1 From the System Menu, select Configuration Menu and press Enter.The Configuration menu a

5-6Configuring the Controller SEP LUNs—Allow access to SEPs. A SEP LUN may be set to a value between 0 and 63 or None. None means that the SEP cannot

5-7Configuring the Controller Initiator ID—SCSI ID assigned to each channel of the controller. The default ID is 6 for Channel 1 and 7 for Channel 2.

5-8Configuring the ControllerUnderstanding Operating ModesYour controller can operate in three different modes: Active-active—Two controllers coopera

5-9Configuring the Controllerof the Adaptec Disk Array Administrator screens. Controller 1 and 2 may also be referred to as Controller A and B, respec

5-10Configuring the ControllerActive-Active Operation ScenariosYou should understand how the controllers act in different active-active scenarios. Du

5-11Configuring the Controller4 Select the option you want and press Enter.The system confirms that you want to make the change. 5 Select Yes and pres

5-12Configuring the Controller2 Select Other Information and press Enter.The Other Information window appears.3 Press Esc to return to the Other Contr

5-13Configuring the Controller2 Select Shutdown Both and press Enter.The system confirms that you want to make the change. 3 Select Yes and press Ente

5-14Configuring the ControllerNote: If the other controller was unplugged then plugged back in or replaced by a different controller, the surviving co

1-11Getting StartedIn This ChapterAdaptec Disk Array AdministratorTM is a utility that manages the storage devices connected to your DuraStor RAID con

5-15Configuring the ControllerNote: The controller will not boot if you disable SCSI channel 3 while in active-active mode. You must change your opera

5-16Configuring the Controller2 Select New Sample Rate and press Enter.The New Sample Rate prompt appears.3 Type the sample rate and press Enter.Under

5-17Configuring the ControllerLocking the CacheSome host OSs disable the write-back cache of the controller, resulting in degraded performance. You ca

5-18Configuring the Controller2 Select Option Configuration and press Enter.The Option Configuration menu appears.3 Select Cache Lock and press Enter.

5-19Configuring the Controller3 Select Battery and press Enter.The Battery menu appears. The current setting is marked with an * next to it.4 Select t

5-20Configuring the Controller4 While the controller reboots, hold down the Spacebar on your keyboard.The Flash Utility screen appears.5 Press 6 for t

5-21Configuring the Controller Low—Use if streaming data without interruption, such as for a Web server, is more important than data redundancy. At t

5-22Configuring the ControllerPausing I/OThe DuraStor 312R storage enclosure allows hot-swapping (removing and replacing disk drives while SCSI bus ac

5-23Configuring the ControllerRestoring Default SettingsYou can restore all of the controller’s default settings and change those that are critical to

6-16Managing Disk Drives and EnclosuresIn This ChapterManaging Disk DrivesUsing Adaptec Disk Array Administrator, you can control a variety of functio

1-2Getting StartedGetting Online HelpOnline Help is available at any time from the Help menu. You can also press F1 or select Help in a dialog box to

6-2Managing Disk Drives and EnclosuresDisplaying All Disk DrivesYou can display this information for all disk drives connected to the controller: Cha

6-3Managing Disk Drives and EnclosuresClearing Metadata from a Disk DriveAll member disk drives in an array contain metadata, which is used to identif

6-4Managing Disk Drives and EnclosuresTo change the write-back cache setting:1 From the System Menu, select Configuration Menu and press Enter.The Con

6-5Managing Disk Drives and EnclosuresEnabling and Disabling SMART ChangesYou can enable or disable the ability to change the Self-Monitoring Analysis

6-6Managing Disk Drives and EnclosuresTo blink a disk drive LED:1 From the System Menu, select Utilities Menu and press Enter.The Utilities menu appea

6-7Managing Disk Drives and EnclosuresTo take down a disk drive:1 From the System Menu, select Utilities Menu and press Enter.The Utilities Menu appea

6-8Managing Disk Drives and EnclosuresManaging SAF-TE EnclosuresAn SEP is a SCSI device from which the RAID controller can inquire about environmental

6-9Managing Disk Drives and Enclosures5 Select the option or number you want to use. See Table 6-1 for options.The system confirms that you want to ma

6-10Managing Disk Drives and EnclosuresTo change the SEP settings:1 From the System Menu, select Configuration Menu and press Enter.The Configuration

7-17TroubleshootingIn This ChapterAdaptec Technical SupportFor assistance configuring and using your Adaptec product, contact your authorized distribu

1-3Getting StartedTo access Adaptec Disk Array Administrator1 On the I/O connectivity panel of the DuraStor 6200SR, turn the switch to EXT.2 On the Du

7-2TroubleshootingInput ProblemsProblem: The system won’t accept input from the keyboard.Ensure that you have set the input mode to external:1 On the

7-3TroubleshootingProblem: Nothing is displayed on the terminal emulator screen.The probable cause of this problem is a bad RS-232 cable connection or

7-4Troubleshootingdisk drives from two different vendors may differ in capacity by 100 MB. With a backoff of 0%, you would not be able to replace an a

7-5Troubleshootingother devices on the host SCSI channel. If you have a long SCSI cable, try a different or shorter cable.Problem: Only one array is d

7-6TroubleshootingProblems During BootupThe following sections describe problems you might encounter during POST or during bootup, and explain how to

7-7TroubleshootingProblem: The system hangs during a disk drive scan.Follow these steps to resolve the problem:1 Check the storage enclosure to make s

7-8TroubleshootingWarning and Error EventsThere are a number of conditions that trigger warning or error events, activate the audible alarm, and may a

7-9TroubleshootingDRIVE DOWN An error occurred with the disk drive and it was downed, removing it from the active array.Add a spare to the array or th

7-10TroubleshootingErrorsError events let you know that something related to the storage enclosure, controller, or disk drives has failed and requires

7-11TroubleshootingUsing the Loader Utility MenuIf you have any diagnostic errors, contact Adaptec technical support. (See page 7-1 for contact inform