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Galaxy 65 User Guide

174

F.1.1.1

Displaying All Drives

You can display a list of all connected drives. The information includes:

• Loop ID

• Size

• Vendor

• Model number (toggles with node WWN and serial number by pressing 

T

)

• Node WWN (toggles with model number and serial number by pressing 

T

)

• Serial number (toggles with node WWN and model number by pressing 

T

)

• Drive firmware revision 

If any of the drives are members of an array, the following information may also display:

• Utility running: Expand, Verify, etc.

• Array number: The array’s sequential position in the Galaxy 65 Subsystem’s array list

• Member number: The drive’s sequential position in the array

Drives that are not members of any array are listed as Available. Drives that contain leftover metadata 
from a previous array are listed as Leftover. This situation can arise if drives are removed and reinserted 
or the drives failed temporarily and are not operating again. To clear leftover metadata, use the Clear 
Metadata function. See 

F.1.2, ”Clearing Metadata from a Drive”, on page 177

.

You can also perform two functions from the list of drives:

• View drive errors

• Blink the selected drive

Содержание The Galaxy 65

Страница 1: ...Galaxy 65 User Guide Part No 43061 02A Issue 2 0 January 13 2004...

Страница 2: ...nformation in this document is accurate the Authors accept no liability for any errors that may arise No part of this document may be transmitted or copied in any form or by any means for any purpose...

Страница 3: ...1 1 The Galaxy 65 System 1 1 2 The Enclosure Core Product 2 1 2 1 Enclosure Chassis 2 1 2 2 Tower Option 3 1 3 The Plug in Modules 4 1 3 1 Power Supply Cooling Module 4 1 3 2 Operators Panel 5 1 3 3...

Страница 4: ...rusting an Array 23 3 3 6 Deleting an Array 24 3 4 Managing Partitions 25 3 4 1 Viewing Partition Status Information 25 3 4 2 Changing a Partition Name 25 3 4 3 Changing a Partition LUN 26 3 4 4 Contr...

Страница 5: ...ation 53 6 1 2 Clearing Metadata from a Disk Drive 54 6 1 3 Enabling and Disabling Write back Cache 55 6 1 4 Displaying Disk Drive Cache Status 55 6 1 5 Enabling and Disabling SMART Changes 55 6 1 6 B...

Страница 6: ...Using the Disk Array Administrator to Set Up Debug Logging 83 7 17 Using the Loader Diagnostics Menu 83 7 18 Using the Loader Utility Menu 84 7 19 Understanding Disk related Errors 84 7 19 1 Disk Erro...

Страница 7: ...ging a Partition LUN 141 C 3 6 Changing the Read Ahead Cache Size 142 C 3 7 Enabling or Disabling Write back Cache 143 C 3 8 Controlling Partition Access 144 C 3 9 Deleting a Partition 151 D Monitorin...

Страница 8: ...enu 192 G 2 Changing the Date and Time 192 G 3 Configuring the Host Channels 195 G 4 Understanding LUNs and Viewing LUN Information 196 G 4 1 Viewing LUN Information 197 G 5 Configuring the FC Disk Ch...

Страница 9: ...Contents ix Index 229...

Страница 10: ...x Galaxy 65 User Guide...

Страница 11: ...interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instru...

Страница 12: ...lug the unit if you think that it has become damaged in any way and before you move it A Galaxy 65 enclosure can weigh up to 37kg 81lb Do not try to lift it by yourself Do not attempt to lift the encl...

Страница 13: ...with two working PSUs If powered by multiple AC sources disconnect all supply power for complete isolation The power connection must always be disconnected prior to removal of the Power Supply Coolin...

Страница 14: ...er the protection provided by the equipment may be impaired Battery Safety The battery is user replaceable please refer to the Battery Replacement Procedure Warning There is a danger of explosion if t...

Страница 15: ...otal number of units installed in the rack Consideration of the electrical power consumption rating shown on the nameplate should be used when addressing these concerns The electrical distribution sys...

Страница 16: ...ranty If you remove any drive module you may lose data If you remove a drive module replace it immediately If it is faulty replace it with a drive module of the same type and capacity Ensure that all...

Страница 17: ...ffers as follows For disk drives arrays partitions and data rate statistics 1 MB equals 1 000 000 using the International System of Units SI standard For memory 1 MB equals 1 048 576 using the memory...

Страница 18: ...Galaxy 65 User Guide xvi Revision History Version Date Description of Change Issue 1 0 June 2003 Initial Beta Release Issue 2 0 January 2004 Chapter 1 Page 14 amended Section 1 6 10 planned deleted...

Страница 19: ...Preface xvii...

Страница 20: ...Galaxy 65 User Guide xviii...

Страница 21: ...Introduction 1 Chapter 1 Introduction 1 1 The Galaxy 65 System Figure 1 1 The Galaxy 65 FC AL System...

Страница 22: ...el mounted at the rear The chassis assembly contains 16 drive bays at the front each of which accommodates a plug in drive carrier module The 16 drive bays are arranged in 4 rows of 4 drives At the re...

Страница 23: ...ntroduction 3 1 2 2 Tower Option An optional tower kit is available which can be fitted to the rack chassis described here Figure 1 3 Galaxy 65 Enclosure Chassis Rear Figure 1 4 Galaxy 65 Tower Option...

Страница 24: ...osure as part of the Subsystem core product PSU voltage operating ranges are nominally 115V or 230V AC selected automatically Four LEDs mounted on the front panel of the Power Supply Cooling Module in...

Страница 25: ...rt of the Enclosure core product a typical Operators Ops Panel is shown in Figure 1 6 The Ops Panel provides the enclosure with a micro controller which is used to monitor and control all elements of...

Страница 26: ...Processors housed on the LRC modules provide enclosure management and interface to devices on the Backplane PSU LRC and Ops Panel to monitor internal functions These processors operate in a master sl...

Страница 27: ...ule fault LED Amber Cache Active Green RAID Controller Activity Ready Green Host Activity of either host channels Flash off Battery Fault Amber Important Fitting of a RAID controller to the LRC module...

Страница 28: ...ide 8 Warning Do not attempt to lift the enclosure by means of the extended SM module Figure 1 8 Galaxy 65 LRC Storage Manager I O Module Figure 1 9 Galaxy 65 Enclosure with Storage Manager Modules an...

Страница 29: ...l protection and is connected to the RAID controller by flying lead Note The Galaxy 65 product range is available in 1Gb 2Gb JBOD or RAID variants by changing the LRC modules Please contact your suppl...

Страница 30: ...n a balanced airflow Warning Operation of the Enclosure with ANY modules missing will disrupt the airflow and the drives will not receive sufficient cooling It is ESSENTIAL that all apertures are fill...

Страница 31: ...Tower Enclosure Height 501mm Width 230mm including mounting feet Depth 511mm Note It is recommended that a rack with a depth of no less than 700mm is used with this product 1 6 2 Weight 1 6 3 AC Powe...

Страница 32: ...ive Humidity Max Wet Bulb Operational 5 C to 40 C 20 to 80 non condensing 23 C Non Operational 0 C to 50 C 8 to 80 non condensing 27 C Storage 1 C to 60 C 8 to 80 non condensing 29 C Shipping 40 C to...

Страница 33: ...water gauge Safety Approvals CE UL cUL EMC EN55022 CISPR A FCC A Drive support See drive carrier specification Attachment 1 FC Galaxy 65 quad loop of 8 drives Passive Backplane with 2 Loop Resiliency...

Страница 34: ...s to 2 x 8 drive mode dual loop structures 2 external Expansion ports SFP connectors 2 Host SFP ports 1 Ethernet port Mounting Rear single bays 3 and or 4 see Figure 1 3 Connectors 2 x SFP module LC o...

Страница 35: ...rocedure below to power up the enclosure 1 Apply AC Mains power to the enclosure Turn the Power Supply Cooling modules to ON 2 On the Ops Panel the Audible Alarm beeps once all LEDs flash for 7 second...

Страница 36: ...conditions the LEDs should all be illuminated constant GREEN If a problem is detected the color of the relevant LED will change to AMBER 2 3 Ops Panel LEDs The Ops Panel LEDs fault and status conditi...

Страница 37: ...EDs or Fan LEDs Any PSU fault or Fan fault On On Flash Over or Under temperature On Off On ESI LED on LRC ESI processor A Failed On Off On ESI LED on LRC ESI processor B Failed On Off On None Unknown...

Страница 38: ...4 1 Disk Drives LEDs Each drive carrier incorporates two indicators an upper GREEN and lower AMBER In normal operation the Green LED will be ON and will flicker as the drive operates 2 5 Power Up Down...

Страница 39: ...see page 23 Change the array name see page 23 Trust an array see page 24 Delete an array see page 24 Manage partitions see page 25 View partition status information see page 25 Change a partition nam...

Страница 40: ...r each array with information about the array below it In this top panel critical arrays display a blinking red exclamation mark through the array If a utility is running on the array the percent comp...

Страница 41: ...system configuration such as HBA driver configuration SAN configuration and host operating system configuration The statistical information can be useful to profile applications and their usage of an...

Страница 42: ...orrects any bad parity RAID 1 and RAID 10 Compares the primary and secondary drives If a mismatch occurs the primary is copied to the secondary You may want to verify an array when you suspect there i...

Страница 43: ...new LUN to each array partition To change array ownership 1 From SAM select Manage Galaxy 65 Subsystem Disk Array Config Change Array Owner The Change Array Owner page displays with a list of existin...

Страница 44: ...an array 1 From SAM select Manage Galaxy 65 Subsystem General Config Option Configuration The Option Configuration page displays 2 For Enable Trust Array select Enabled 3 Click Change Options The opt...

Страница 45: ...ray If a utility is running on the array the percent complete displays If any array is critical for any reason other than initializing or reconstructing you should review the status information and ta...

Страница 46: ...t ID from the host system s point of view The change takes place immediately however you may need to restart the host system to see the partition at the new LUN Note You cannot change the partition s...

Страница 47: ...ay A has two partitions Partition 1 has an include list that contains only Accounting so only the Accounting server can access partition 1 Array B partition 3 has an exclude list that contains only th...

Страница 48: ...ou can easily recognize to make InfoShield easier to manage For example you can use the computer name that has already been assigned to each host The list of known host WWNs and nicknames is called th...

Страница 49: ...s results in all hosts being able to access all partitions Changing the InfoShield type does not add or remove any hosts in previously created lists Include All Hosts Permits all hosts on the network...

Страница 50: ...ray default is 64 KB The SMs treat volumes and mirrored arrays RAID 1 internally as if they have a stripe size of 64 KB even though they are not striped If you specify a read ahead cache size that amo...

Страница 51: ...ion Note You cannot delete a partition while any utility Initialize Verify Expand or Reconstruct is running on the array You must stop the utility if allowed or let it finish before you can delete the...

Страница 52: ...Galaxy 65 User Guide 32...

Страница 53: ...erall and cumulative statistics see page 36 Debug log see page 81 4 2 Setting Up Remote Notification Remote notification lets you receive information about specific Galaxy 65 Subsystem events by e mai...

Страница 54: ...n one of these events occurs on the Galaxy 65 Subsystem SAM sends a message to the e mail addresses that you have set up To set up events 1 From SAM select Manage Galaxy 65 Subsystem Remote Configurat...

Страница 55: ...ile You can save Galaxy 65 Subsystem event and debug log information to a file The file contains selected log information including Event log refer to the Galaxy 65 Subsystem Getting Started Guide Dia...

Страница 56: ...wo Similar statistics are also available for individual arrays and partitions For more information see 3 3 1 Viewing Array and Partition Statistics on page 21 Tip This information may be helpful in in...

Страница 57: ...atistics if you are monitoring performance You may also want to reset statistics when you change how you are using the partition Note You cannot reset the queue depth value It always reflects the curr...

Страница 58: ...Galaxy 65 User Guide 38...

Страница 59: ...te setting see page 44 Lock the cache setting see page 45 Enable or disable the battery see page 46 Change the utility priority see page 46 Rescan all ports see page 47 Pause I O see page 47 Save and...

Страница 60: ...General Config LAN Configuration The LAN Configuration page displays 2 In the Telnet Configuration panel enter the timeout period 3 Click Change LAN Configuration 5 1 2 Configuring the SNMP Settings...

Страница 61: ...r only users can be logged in at a time You can use up to 31 characters You can use only letters numbers and underscores Manage User Password These users have access to all SAM functions The default i...

Страница 62: ...The default is enabled SNMP Capability Controls the availability of SNMP which permits remote monitoring of the SM using your LAN The default is enabled Internet Debug Used for diagnosing problems du...

Страница 63: ...ver a host port using SCSI protocol extensions You are using CAPI only if your company has written a program to monitor and manage the Galaxy 65 Subsystem If you are not using CAPI you can set the man...

Страница 64: ...e not using software that your company developed and therefore are not using CAPI select NONE as the management LUN This allows your first array to be seen at LUN 0 To change the management LUNs 1 Fro...

Страница 65: ...If cache lock is enabled the host cannot change the cache setting The default setting is disabled This option is useful in some environments where the host system disables the Galaxy 65 Subsystem s w...

Страница 66: ...Battery option you want 3 Click Change Options You must restart the Galaxy 65 Subsystem for the change to take effect 4 Select Shutdown Restart from the SAM menu 5 8 Changing the Utility Priority You...

Страница 67: ...es allow you to remove and replace drives while FC device port activity continues However you may still want to pause I O if you are replacing more than one disk drive The Hot Swap Pause option suspen...

Страница 68: ...e a configuration file 1 From SAM select Manage Galaxy 65 Subsystem Utilities Configuration Utilities Save Config File The Save Config File page displays 2 Click Save Configuration File to save the cu...

Страница 69: ...Mask and IP Gateway for both SMs on the same Galaxy 65 Subsystem After the file is restored you must reconnect to the Galaxy 65 Subsystem using one of the new IP addresses Use Restore File IP Addresse...

Страница 70: ...en change the settings that are critical to your configuration You can also view all of your current settings and a compare them to the default settings Restore Defaults does not affect any settings r...

Страница 71: ...to the software package file and select it 4 Click Open The Load Software page displays 5 Click Load Software Package File If the system finds a problem with the file it displays a message at the top...

Страница 72: ...Galaxy 65 User Guide 52...

Страница 73: ...le changes to SMART see page 55 Blink a drive LED see page 56 Take down a disk drive see page 56 Test a disk drive see page 57 For EMP enclosures you can Change the EMP LUN see page 57 Change addition...

Страница 74: ...functioned it may not be listed To view drive status 1 From SAM select Manage Galaxy 65 Subsystem Status Disk Drive Status The Disk Drive Status page displays listing all arrays 2 Select the array who...

Страница 75: ...an internal error resulting in lost data To change the write back cache setting 1 From SAM select Manage Galaxy 65 Subsystem General Config Disk Configuration The Disk Configuration page displays 2 S...

Страница 76: ...sk drive whose LED you want to blink 3 Click Blink Selected Device LED The disk drive continues blinking its LED until you click Unblink Selected Device LED 6 1 7 Taking Down a Disk Drive Caution This...

Страница 77: ...power supply and fan status and the presence or absence of disk drives The Galaxy 65 Subsystem can also tell the EMP about RAID activities such as disk drive rebuilds and failed disk drives If you ha...

Страница 78: ...t Galaxy 65 EMP LUNs panels display the current LUN for each EMP Each EMP has an EMP number that the Galaxy 65 Subsystem assigns sequentially whenever it starts 2 Select the LUN you want for each EMP...

Страница 79: ...If a fault is indicated on the Ops Panel please refer firstly to Table 7 2 and then to the section referenced within that table 7 1 1 Initial Start up Problems 7 1 1 1 Faulty Cords First check that yo...

Страница 80: ...bles are securely fitted Check the maximum cable length has not been exceeded 7 2 LEDs Green LEDs are always used for good or positive indication flashing Green Amber if non critical conditions exist...

Страница 81: ...te When the Audible Alarm sounds it may be muted by pressing the Alarm Mute push button Automatic muting will take place after two minutes if the mute switch is not manually operated The Alarm Mute pu...

Страница 82: ...functions good On On Off PSU LEDs or Fan LEDs Any PSU fault or Fan fault On On Flash Over or Under temperature On Off On ESI LED on LRC ESI processor A Failed On Off On ESI LED on LRC ESI processor B...

Страница 83: ...cations on the drives carriers If none are evident then there may either be an ESI processor problem or a Backplane problem 3 Change the Ops Panel module see 7 12 2 Symptom Cause Action 1 Ops Panel FA...

Страница 84: ...cess is for the fans to automatically increase in speed when a thermal threshold is reached This may be caused by higher ambient temperatures in the local environment and may be perfectly normal Note...

Страница 85: ...e internal temperature measured in the airflow through the enclosure exceeds a pre set threshold a thermal alarm will sound 1 Check local ambient environment temperature is below the upper 40 C specif...

Страница 86: ...drive with a drive of the same type and capacity All drive bays must be fitted with a Drive Carrier module or a dummy carrier module in order to maintain a balanced air flow All the supplied plug in p...

Страница 87: ...me you finish using it 7 9 Host Fibre Channel Problems Problem The host system does not see the Galaxy 65 Subsystem Verify in the Monitor Galaxy 65 Subsystem Status FC Port Status page or in the Disk...

Страница 88: ...l capacities The backoff percentage affects all arrays created on the Galaxy 65 Subsystem after you set the percentage If the drives in an array are not equal in size the array capacity in a RAID 5 ar...

Страница 89: ...rom the power supply unit Danger of electric shock inside Return the PSU to your supplier for repair 7 12 1 1 Removing a PSU Module Warning Do not remove the faulty Power Supply Cooling module unless...

Страница 90: ...ly closing the PSU handle see Figure 7 4 A click should be heard as the handle latches engage see Figure 7 2 4 Connect the power supply cord to the power source and switch the power supply ON Note The...

Страница 91: ...Galaxy 65 Troubleshooting 71 Figure 7 3 Removing a Power Supply Cooling Module 2 Figure 7 4 Removing a Power Supply Cooling Module 3...

Страница 92: ...move this module unless a replacement can be immediately added The system must not be run without all modules in place Note As there should always be two SM modules installed you can continue working...

Страница 93: ...position slide the LRC module into the enclosure until the latch engages automatically 2 Cam the module home by manually closing the latches see Figure 7 7 3 A click should be heard as the latch enga...

Страница 94: ...perature sensing devices Battery Assembly SM Feature Code Galaxy 65 Batt Caution If this equipment is used in a manner not specified by the manufacturer the protection provided by the equipment may be...

Страница 95: ...pped prior to removal 1 Release the carrier handle by pressing the latch in the handle towards the right Note The anti tamper lock must be off 2 Gently withdraw the Drive Carrier module approximately1...

Страница 96: ...y puts out garbage characters The likely cause of this problem is a baud rate mismatch between the terminal emulator and the Galaxy 65 Subsystem The default baud rate is 115 200 Follow these steps if...

Страница 97: ...ow control and works properly in most cases with no flow control Problem Screen looks correct but clock is not being updated Check to be sure that the Galaxy 65 Subsystem is still powered on If you ar...

Страница 98: ...s been detected Replace the battery see section 7 12 5 on page 74 BOOT ONLINE FAIL During startup the system attempted to put the specified module online This operation failed The event gives a reason...

Страница 99: ...been replaced or moved while the system was powered off One or both SM modules have had their flash configuration cleared this is where the previously used WWNs are stored This SM module recovers fro...

Страница 100: ...rays assigned to this data are not present Either determine which drives are missing and reinstall them or select Yes when asked if you want to discard this data VOLT TEMP WARN The analog to digital c...

Страница 101: ...quires a greater amount of hardware software to be operational than for the single controller serial port case Therefore in some product failure scenarios the combined logs will potentiality have some...

Страница 102: ...File to use your browser s file save capabilities to save the log in the location you prefer 5 Name the file to include date bug number or problem name and some indication that this is a combined log...

Страница 103: ...ebug Configuration To view the debug log 1 From SAM select Manage Galaxy 65 Subsystem Utilities View Debug Log The View Debug Log page displays 2 Select the viewing options you want 3 Click Load Reloa...

Страница 104: ...orts the error which is recorded in the event log Table 7 6 lists some of the most common SCSI sense key descriptions in hexadecimal Table 7 7 lists the descriptions for the most common sense codes AS...

Страница 105: ...ead error 11 01 Read retries exhausted 11 02 Error too long to correct 11 03 Multiple read errors 11 04 Unrecovered read error auto reallocation failed 11 0B Unrecovered read error recommend reassignm...

Страница 106: ...Supply Cooling module one at a time 5 Replace the SM modules one at a time 7 20 Slow Write Performance This can be caused by powering down the enclosure without first shutting down the controllers Th...

Страница 107: ...only read at Power On The Galaxy 65 enclosure ID must always be set to select ID1 2 Remove the existing LRC modules in accordance with the procedure in 7 12 3 1 Removing the Module on page 72 3 Insta...

Страница 108: ...at 2Gb s Switch Number Function Recommended Setting Definition 1 Loop Select Dual 2x8 Off LRC operates on two loops of 8 drives Mandatory 2 Not Used Note on Galaxy 65 FC2 enclosures this must be set...

Страница 109: ...he virtual disk has advantages in fault tolerance cost performance or a combination of these This section explains the different array types and the disk requirements for each type Tip Choosing the ri...

Страница 110: ...both disks in a pair containing the same data When data is written to a mirrored array it is written twice once to each disk in the pair A RAID 1 array has only one set of paired disks A RAID 10 arra...

Страница 111: ...mance is lower than that of a RAID 0 array because write operations involve calculating and writing new parity data as well as writing the new user data A 1 6 RAID 50 RAID 50 arrays are made up of two...

Страница 112: ...edicated parity drive Excellent performance for large sequential data requests Not well suited for transaction oriented network applications single parity drive does not support multiple concurrent wr...

Страница 113: ...ity use disks of similar size Important The manufacturer does not support mixing of different models or manufacturer s of drives in the same enclosure RAID 10 Also known as mirrored 4 Combination of R...

Страница 114: ...Galaxy 65 User Guide 94...

Страница 115: ...port or the Ethernet port connections on the SMs You must connect a computer with terminal emulator software to the serial or Ethernet port Each SM has one RS 232 and one Ethernet port You have acces...

Страница 116: ...sk Array Administrator Using the RS 232 Serial Port You can access the Disk Array Administrator software using the RS 232 serial port You must use a straight through serial cable You cannot use a null...

Страница 117: ...screen displays If any events have occurred each event displays Informational events scroll by automatically Warning events yellow text on a black background and error events white text on a red back...

Страница 118: ...ol and serial port protocol In addition such programs support the color display from the Disk Array Administrator You can configure a variety of settings for the Ethernet connection For more informati...

Страница 119: ...e H 2 Configuring the LAN Settings on page 214 To access the Disk Array Administrator software using the Ethernet port and the Telnet utility 1 Set up the IP address and subnet mask as described in B...

Страница 120: ...events yellow text on a black background and error events white text on a red background display until you press Enter or Esc Once all the events display the initial screen displays The initial scree...

Страница 121: ...yboard Table 2 1 describes the primary navigation and selection methods Table 2 1 Disk Array Administrator navigation To Do this Select a menu item Press the or and press Enter or Press the letter tha...

Страница 122: ...shown on the System Menu Table 2 2 lists the keystrokes required to change various screen displays Table 2 2Changing screen displays Select Function Ctrl A Toggles between ANSI and VT100 character set...

Страница 123: ...t Add Host List Remove Host from List Change Infoshield Type View Statistics Reset Statistics Verify Function Start Verify View Verify Status Abort Verify Expand Function Start Expand View Expand Stat...

Страница 124: ...Set HTTP Settings Contact Settings Security Options Option Configuration Cache Lock Battery Enable Trust Array Dynamic spare Configuration EMP Settings Poll Rate Temperature Slot Flags Global Flags Ch...

Страница 125: ...ou can create arrays from either SM A or SM B Arrays you create from one SM are not visible through the RS 232 or Ethernet port of the other SM However all unused disk drives connected to all LRC I O...

Страница 126: ...ngle LUN As a multiple partition array an array that can have one or more partitions with each partition assigned its own LUN For more information about partitions see C 3 1 Understanding Partitions o...

Страница 127: ...be set to a higher value than all array LUNs Before creating your first array change the CAPI LUN to a higher value If you are using a custom software application to configure and manage the controlle...

Страница 128: ...7 If you selected any array type other than RAID 50 the Number of Drives screen displays 6 Enter the number of drives excluding spares you want in the array and press Enter The Select Drives screen d...

Страница 129: ...and you have one or more drives left the Number of Spares screen displays 8 If the Number of Spares screen displays enter the number of spares you want to add and press Enter This creates dedicated sp...

Страница 130: ...ze refer to your operating system documentation For example the default chunk size for Windows NT and many other operating systems is 64 KB If you are using the array for a database with very small re...

Страница 131: ...and later can recognize new devices by typing the command SCAN FOR NEW DEVICES at the console prompt Other operating systems might have similar features C 1 2 Creating a Multiple Partition Array You...

Страница 132: ...ted when there are more than two drives in a mirrored array See Array Basics on page 89 for more information If you selected RAID 50 as the array type the Select RAID 50 Array Size screen displays not...

Страница 133: ...reen displays shown below The list includes all available drives that is drives that are not members of an array and are not assigned as a dedicated or pool spare on either SM Loop ID for each channel...

Страница 134: ...you have one or more drives left the Number of Spares screen displays 7 If the Number of Spares screen displays enter the number of spares you want to add and press Enter This creates dedicated spares...

Страница 135: ...efer to your operating system documentation For example the default chunk size for Windows NT and many other operating systems is 64 KB If you are using the array for a database with very small record...

Страница 136: ...page 121 Note Most operating systems such as Windows NT 4 0 require you to restart the host system to see the new array Windows 2000 can recognize new LUNs by selecting Refresh from the Computer Mana...

Страница 137: ...rives in the array when fault tolerant For example if a three drive RAID 5 array loses one drive the number will still display 3 Number of drives per subarray For RAID 50 only number of drives in each...

Страница 138: ...alaxy 65 User Guide 118 2 Select the array you want and press Enter The array menu displays 3 Select Array Status and press Enter The status screen displays showing the status of the array you selecte...

Страница 139: ...rive as a dedicated spare Channel number Back end disk bus number Channel ID Size Size of the drive in MB Usage If part of an array this displays the array name and member number If a spare this displ...

Страница 140: ...you find that you need to change the disks or some other array configuration you can stop the array initialization process Caution If you stop the initialization process the array goes offline and it...

Страница 141: ...ing Partitions on page 133 To add a partition 1 From the System Menu select Array Menu and press Enter The Select Array screen displays with a list of existing arrays 2 Select the multiple partition a...

Страница 142: ...nter The Partition Name screen displays 6 Enter a name for the partition and press Enter You can use up to 20 characters You can include any characters in the name including spaces If you do not want...

Страница 143: ...are not using CAPI select NONE as the CAPI LUN This allows your first array to be seen at LUN 0 The system warns you about the LUN for UNIX and Macintosh as above the first time you create a partition...

Страница 144: ...er The Select Array screen displays with a list of existing arrays 2 Select the array you want and press Enter The array menu displays 3 Select Verify Function and press Enter The verify menu displays...

Страница 145: ...ct Array Menu and press Enter The Select Array screen displays with a list of existing arrays 2 Select the array you want and press Enter The array menu displays 3 Select Verify Function and press Ent...

Страница 146: ...spare see E 1 1 Adding a Dedicated Spare on page 168 and E 2 Enabling Dynamic Spares on page 169 or as a pool spare see E 3 1 Adding a Spare to the Spare Pool on page 171 Remember that any pool spare...

Страница 147: ...Subsystem To expand an array 1 From the System Menu select Array Menu and press Enter The Select Array screen displays with a list of existing arrays 2 Select the array you want and press Enter The a...

Страница 148: ...add and press Enter The Select Drives screen displays 6 Select the drives you want to add from the list of available drives and press Enter Only available drives that is drives that are not members of...

Страница 149: ...s Enter The Select Array screen displays with a list of existing arrays 2 Select the array you want and press Enter The array menu displays 3 Select Expand Function and press Enter The expand menu dis...

Страница 150: ...Changing a Partition LUN on page 141 C 2 9 Trusting an Array You can use the Trust Array function to bring an array back online by re synchronizing the time and date stamp and any other metadata on a...

Страница 151: ...em confirms that you want to trust the array 9 Select Yes and press Enter The array will be back online Note If the array does not come back online it may be that too many members are offline or the a...

Страница 152: ...Galaxy 65 User Guide 132 2 Select the array you want to delete and press Enter The system asks you to confirm the deletion 3 Select Yes and press Enter...

Страница 153: ...zes the amount of disk space allocated to parity and spares compared to the space required if you created five or six smaller RAID 5 arrays Once you set up an array for multiple partitions you must cr...

Страница 154: ...a partition or expand the last partition to use the new free space You can also delete one or more partitions and expand a partition into the space C 3 2 Viewing Partition Status Information You can p...

Страница 155: ...artitions Menu 1 From the System Menu select Array Menu and press Enter The Select Array screen displays with a list of existing arrays 2 Select the array you want and press Enter The array menu displ...

Страница 156: ...equests directed to the partition Write Total number of host write requests directed to the partition SecRd Total number of sectors read from the partition SecWt Total number of sectors written to the...

Страница 157: ...s Enter The Select Array screen displays with a list of existing arrays 2 Select the array you want and press Enter The array menu displays 3 Select Partition Menu and press Enter The Select Partition...

Страница 158: ...here also resets the statistics for this partition that are included in the aggregate statistics See D 7 Displaying Overall Statistics on page 165 You may want to reset the statistics if you are moni...

Страница 159: ...on about partitions see C 3 1 Understanding Partitions on page 133 From the Array Menu From the All Partitions Menu 1 From the System Menu select Array Menu and press Enter The Select Array screen dis...

Страница 160: ...array menu displays 3 Select Partition Menu and press Enter The Select Partition screen displays with a list of existing partitions for the current array 4 Select the partition you want and press Ente...

Страница 161: ...Galaxy 65 Subsystem see G 4 Understanding LUNs and Viewing LUN Information on page 196 To change a partition LUN 1 Display the partition menu 2 Select Change LUN and press Enter The New LUN screen di...

Страница 162: ...ul if the host is triggering read ahead for what are random accesses This can happen if the host breaks up the random I O into two smaller reads triggering read ahead You can use the partition statist...

Страница 163: ...ck cache is enabled For most applications this is the best setting Note This feature is intended for advanced users only You may hinder your system s performance if used incorrectly If you are writing...

Страница 164: ...aware of on the SAN and you can give each WWN a nickname of your own This makes working with the InfoShield feature faster and easier You set up InfoShield by either excluding or including hosts on a...

Страница 165: ...he Galaxy 65 Subsystem saves the WWN information for the host and retains the information even after you restart the Galaxy 65 Subsystem The list includes the last 16 hosts that started or that you na...

Страница 166: ...eld screen displays 2 Select Display Host List and press Enter The Display Host List screen displays showing the last 16 WWNs known to the Galaxy 65 Subsystem The WWNs are listed according to when the...

Страница 167: ...or which host by starting one host at a time or scanning for devices from a host and then viewing the WWN list The host that scanned for devices most recently is first on the list You can name up to 6...

Страница 168: ...use any combination of characters and spaces C 3 8 3 Configuring InfoShield Once you set up host nicknames you can easily set up your InfoShield This is where you determine which hosts can access each...

Страница 169: ...u From the All Partitions Menu 1 From the System Menu select Array Menu and press Enter The Select Array screen displays with a list of existing arrays 2 Select the array you want and press Enter The...

Страница 170: ...e list Your existing list is retained and you can display add or remove hosts from the list Include Listed Hosts Lets you enter or select the WWNs of the specific hosts you want to be able to access t...

Страница 171: ...ote You cannot delete a partition while any utility Initialize Verify Expand or Reconstruct is running on the array You must stop the utility if allowed or let it finish before you can delete the part...

Страница 172: ...Galaxy 65 User Guide 152...

Страница 173: ...bsystem and Disk Array Administrator software let you monitor the status several ways Galaxy 65 Subsystem LEDs refer to Figure 4 1 Event log see page 154 Module status screens see page 158 Hardware an...

Страница 174: ...recent 400 events Events have a time stamp next to them with one second granularity Note If you are having a problem with the Galaxy 65 Subsystem or an array check the event log before calling technic...

Страница 175: ...t a time The events display in reverse chronological order that is the most recent event is first If an event displays several parameters you can see all of them when you view the log one event at a t...

Страница 176: ...uickly review all recent events The events display in chronological order that is the most recent event is last When you view a whole screen of events some parameters may be truncated If an event disp...

Страница 177: ...to print the log or attach it to an e mail message The steps below use HyperTerminal as the terminal emulator software If you use a different terminal emulator your procedure may be different To capt...

Страница 178: ...D 3 Displaying Module Status Information You can display status information about each of the modules in your Galaxy 65 Subsystem LRC I O modules Power Supply Cooling modules two To display module sta...

Страница 179: ...ation information per SM Group Field What displays Field What displays HOST 0 HOST 1 Active Channel Speed 1 Gb s or 2 Gb s as set in the Disk Array Administrator software Topology Loop or Point to Poi...

Страница 180: ...tus of the Galaxy 65 Not Failed Over or Failed Over A A Version Version of the active active software Backoff Percentage set in Disk Array Administrator software 1 is the default and recommended value...

Страница 181: ...e Configuration Application Programming Interface FC LIB Version Version of the FC software EMP Poll Rate Number of seconds as set in the Disk Array Administrator software Temperature ON or OFF as set...

Страница 182: ...ration information 1 From anywhere in the Disk Array Administrator software press CTRL E until the HW Info screen displays The HW Info screen displays Press U to page up or D to page down in the scree...

Страница 183: ...displays Press U to page up or D to page down in the screen or use the other keys as listed at the bottom of the screen to navigate within the CFG screen 3 Press CTRL E to display the next screen of...

Страница 184: ...d running as your RS 232 interface terminal from the System Menu select Utilities Menu and press Enter The Utilities Menu displays 2 From the Transfer menu in HyperTerminal select Capture Text The Cap...

Страница 185: ...ion LUNs For more information see C 3 2 2 Viewing Partition Statistics on page 136 I O operations per second IOPS Bandwidth in millions of bytes per second Number of read operations Number of write op...

Страница 186: ...Statistics and press Enter The Overall Statistics screen displays 3 Select View R W Histogram and press Enter The View R W Histogram screen displays 4 Press Esc to return to the Overall Statistics scr...

Страница 187: ...f a drive in an array on either SM fails the Galaxy 65 Subsystem can use a pool spare to reconstruct the array see page 170 In addition if you enable the Dynamic Spares option and a drive fails you ca...

Страница 188: ...ore information about assigning spares when you create an array see C 1 Creating Arrays on page 105 Note You cannot add a spare that does not have enough capacity to replace the smallest member in the...

Страница 189: ...nstruction If none is found it uses an available drive which the SM automatically assigns as a spare and starts reconstruction You must make sure that the new or available drive has enough capacity to...

Страница 190: ...ll not affect the system The system confirms the change 6 Select Yes and press Enter E 3 Managing the Spare Pool The spare pool lets you have one or more disk drives available for the reconstruction o...

Страница 191: ...he display between the drive model number serial number and the node and WWN press T 3 Select each spare drive you want to add and press Enter E 3 2 Deleting a Spare from the Spare Pool You can delete...

Страница 192: ...Galaxy 65 User Guide 172...

Страница 193: ...e page 181 Blink a drive LED see page 182 Take down a drive see page 182 Test a drive see page 183 For EMP enclosures you can Change the EMP LUN see page 184 Change additional EMP settings see page 18...

Страница 194: ...tility running Expand Verify etc Array number The array s sequential position in the Galaxy 65 Subsystem s array list Member number The drive s sequential position in the array Drives that are not mem...

Страница 195: ...n one drive by selecting each drive and pressing B To toggle the display between the drive model number serial number and the node and WWN press T 2 Press Esc to return to the System Menu F 1 1 2 View...

Страница 196: ...ive has failed or malfunctioned it may not be listed To view drive status 1 From the System Menu select Array Menu and press Enter The Select Array screen displays with a list of existing arrays 2 Sel...

Страница 197: ...ontain metadata in the first sectors of the drive The Galaxy 65 Subsystem uses the metadata to identify array members after restarting or replacing an SM You can clear the metadata from a drive if you...

Страница 198: ...case of power failure If the drives are not on a UPS and power is lost during disk writes the array will lose any data in the disk s write back cache Caution We recommend that you disable disk write...

Страница 199: ...s You can display the cache status of each disk drive Any disk drives with write back cache enabled should be connected to a UPS in case of power failure If the drives are not on a UPS and power is lo...

Страница 200: ...Display Drive Cache and press Enter The Select Drives screen displays 4 Select a drive and press Enter The cache status screen displays showing the status of the read and write cache 5 Press Esc to r...

Страница 201: ...re information see D 2 Displaying the Event Log on page 154 On most drives SMART is disabled by default by the manufacturer A change to this setting on either SM module is automatically updated on the...

Страница 202: ...strator times out Repeat the blink LED command which toggles the blink LED command off 5 Press Esc to stop blinking the LED F 1 7 Taking Down a Drive Caution This function is only for testing and coul...

Страница 203: ...Ready and press Enter The Select Drive screen displays 4 Select the drive you want and press Enter If the TUR was successful TUR STATUS OK displays If the TUR was not successful a failure message dis...

Страница 204: ...65 You can also set it to NONE which tells the Galaxy 65 Subsystem not to present a LUN for this EMP under the Galaxy 65 Subsystem s target ID You can set LUNs for EMPs that you plan to add by assign...

Страница 205: ...Enclosures 185 3 Select EMP LUNs and press Enter The EMP LUNs screen displays 4 Select the EMP you want and press Enter The Galaxy 65 Subsystem assigns EMP IDs sequentially when it starts The EMP LUN...

Страница 206: ...to make the change 7 Restart to have your changes take effect See G 1 1 Shutting Down and Restarting the Current SM Module on page 190 To Do this Not assign the EMP a LUN Select NONE and press Enter...

Страница 207: ...ication problems with the EMP The default setting is five seconds A change to this setting on either SM is automatically updated on the other SM To change the EMP settings 1 From the System Menu selec...

Страница 208: ...Galaxy 65 User Guide 188...

Страница 209: ...Manager module see page 190 Change the date and time see page 192 View LUN information see page 196 Configure the FC disk channels see page 198 Change the alarm mute setting see page 200 Lock the cach...

Страница 210: ...or maintenance repair or a move See page 192 G 1 1 Shutting Down and Restarting the Current SM Module You may need to shut down and restart a SM module after making certain configuration changes The p...

Страница 211: ...the other SM module This shut down is the same as unlocking the handles on the SM module hardware to remove it Using the shutdown from the Disk Array Administrator lets you see any messages related to...

Страница 212: ...and press Enter The system confirms that you want to shut down 3 Select Yes and press Enter Both SMs shut down To restart both SM modules press Enter at the same time on both SM modules G 1 4 Other Co...

Страница 213: ...Configuring Galaxy 65 193 3 Select Set Date and press Enter The Set Date screen displays 4 Enter the date you want and press Enter...

Страница 214: ...u select Configuration Menu and press Enter The Configuration Menu displays 2 Select Set Date Time and press Enter The Set Date Time screen displays 3 Select Set Time and press Enter The Set Time scre...

Страница 215: ...figurations except when the SM module is connected to a switch F port You must use this option if the internal hubs are enabled POINT TO POINT Use this option only when you connect the SM module to a...

Страница 216: ...o stay the same after you power down and power up The Disk Array Administrator software cannot tell you which Loop IDs are available To be sure that you have successfully assigned the Loop ID you want...

Страница 217: ...ormation about changing the CAPI LUN see G 3 Configuring the Host Channels on page 195 Note Most UNIX Linux and Macintosh operating systems require that the CAPI LUN be set to a higher value than all...

Страница 218: ...Galaxy 65 User Guide 198 2 Select LUN information and press Enter The LUN Information screen displays...

Страница 219: ...peed This is the maximum speed the Galaxy 65 Subsystem will attempt to negotiate You can set the speed to 1 GB second or 2 GB second The Link Speed setting is set on the Ops Panel switches as shown in...

Страница 220: ...nistrator software cannot tell you which IDs are available To be sure that you have successfully assigned the ID you want check the ID after you restart the Galaxy 65 Subsystem If the Galaxy 65 Subsys...

Страница 221: ...back on after resolving the problem You can also use the Mute button on the Galaxy 65 Ops Panel to turn off the alarm when it sounds The alarm sounds for temperature or voltage conditions events Warni...

Страница 222: ...s than 45 C Check that the Galaxy 65 Subsystem has good airflow clearance The Galaxy 65 Subsystem requires airflow clearance on all sides except the bottom and top Check that the internal fans are run...

Страница 223: ...larm Mute screen displays The current setting is marked with an next to it 3 Select the option you want and press Enter 12V voltage Warning 12 V 20 to 10 and 10 to 20 Shutdown 12 V 20 and 20 Same as a...

Страница 224: ...ful in some environments where the host system disables the SM module s write back cache resulting in degraded performance A change to this setting on either SM module is automatically updated on the...

Страница 225: ...er supply UPS so that you will not lose power to the Galaxy 65 Subsystem If you disable the battery the Galaxy 65 Subsystem will not give any warnings nor will it disable the write back cache If you c...

Страница 226: ...example select High if your highest priority is to get the array back to a fully fault tolerant state This causes heavy I O with the host to be slower than normal Select Low priority if streaming data...

Страница 227: ...O processes and then resumes normal operation If you are using an enclosure with an EMP the Galaxy 65 will perform a rescan automatically With an EMP the EMP detects the change in drive status and upd...

Страница 228: ...tivity on all device channels used in the Galaxy 65 Subsystem thereby ensuring data integrity on the connected drives and arrays Caution Pausing I O halts active I O to the host Note If you are not su...

Страница 229: ...y 65 Subsystem default settings You may want to do this if the Galaxy 65 is not working properly and you cannot determine why This lets you then change the settings that are critical to your configura...

Страница 230: ...ion to the SM module If you want to use the Ethernet connection your Telnet utility must support either the Kermit or Xmodem protocol Follow the procedure below for both SM modules to make sure that b...

Страница 231: ...ash Utility screen Click Send The file transfers The system displays messages showing that it is flashing the code and restarting the SM module Caution Do not interrupt the power when transferring the...

Страница 232: ...word prompt enter flash 8 At the FTP prompt enter bin 9 At the FTP prompt enter put bfl file name flash If you are using Windows 95 or 98 you will see a timeout message Connection closed by remote hos...

Страница 233: ...outed network that is attached to the Internet the address must be globally unique This appendix describes how to configure the TCP IP settings for the first time starting from the factory set default...

Страница 234: ...ne for each SM module IP Mask Subnet mask Factory default is 255 255 255 0 Gateway Optional Factory default is 0 0 0 0 See your LAN administrator for more information If you are not sure what IP addre...

Страница 235: ...SM module To set the FTP settings 1 From the System Menu select Configuration Menu and press Enter The Configuration Menu displays 2 Select LAN Configuration and press Enter The LAN Configuration scre...

Страница 236: ...em makes the change H 2 4 Configuring the SNMP Settings You can set six Simple Network Management Protocol SNMP related settings Trap Host Host computer s IP address that is set up to receive SNMP tra...

Страница 237: ...Subsystem You can enter up to 80 characters System Location Location of the Galaxy 65 Subsystem You can enter up to 32 characters System Information Read only screen with information about the system...

Страница 238: ...1 From the System Menu select Configuration Menu and press Enter The Configuration Menu displays 2 Select LAN Configuration and press Enter The LAN Configuration screen displays 3 Select HTTP Setting...

Страница 239: ...nu and press Enter The Configuration Menu displays 2 Select LAN Configuration and press Enter The LAN Configuration screen displays 3 Select Security Options and press Enter The Security Options scree...

Страница 240: ...Galaxy 65 User Guide 220...

Страница 241: ...out this user guide the term is used as the UK equivalent of the US term furcated A bifurcated power cord is a two branched cord joined together by a yoke bus See channel Byte A group of binary digits...

Страница 242: ...dule A unit used to monitor and control all elements of the Enclosure The ESI Operators Ops panel is supplied as an integral part of the Galaxy 65 series Enclosure core product fabric Fabric refers to...

Страница 243: ...ivers transceivers connectors and cables A GBIC attaches to an FC adapter and connects a router to an FC host high voltage differential HVD HVD is a differential SCSI scheme with terminators that run...

Страница 244: ...backplane to the rear of the enclosure management information base MIB A MIB is a database of managed objects accessed by network management protocols An SNMP MIB is a set of parameters that an SNMP...

Страница 245: ...detection and error correction are some of the operations that may be defined in protocols Redundant Not essential router A router is a device that enables connectivity between SCSI devices and FC ne...

Страница 246: ...s LRC I O module with integral Rorke Data Galaxy 65 RAID controller target A target is a device peripheral that responds to an operation requested by an initiator host system Although peripherals are...

Страница 247: ...ite back cache enabled should be connected to an Uninterruptible power supply UPS in case of a power failure If the drives are not on a UPS and power is lost during disk writes the array will lose any...

Страница 248: ...Galaxy 65 User Guide 228...

Страница 249: ...a single partition 106 deleting 24 131 expanding capacity of 126 managing 20 116 mixing disks 93 reconstructing 126 167 resetting all statistics 21 resetting overall statistics 166 status of expanding...

Страница 250: ...ng the link speed 195 selecting the topology 195 chassis 2 Chunk Size screen 110 115 communications parameters for the RS 232 port 96 97 configuration file restoring 48 saving 48 configuration informa...

Страница 251: ...Display Host List screen 147 displaying array status 20 117 cache status for disk drives 55 179 configuration information 159 disk drives 54 174 drive status 20 events 154 hardware information 159 par...

Страница 252: ...54 error 80 setting up for remote notification 34 viewing most recent 154 viewing one at a time 155 viewing whole screen of 156 warning 78 Events to be Monitored page 34 Exclude All Hosts 150 Exclude...

Страница 253: ...rds for 218 enabling and disabling 42 218 219 i I O pausing 47 207 resuming 47 208 In Band Management enabling and disabling 42 Include All Hosts 150 151 Include Listed Hosts 150 InfoShield configurin...

Страница 254: ...ent 43 44 understanding 43 196 viewing information 44 197 m M module 209 Manage Global Host List page 28 management LUN 43 44 managing arrays 20 116 partitions 25 133 memory controller updating firmwa...

Страница 255: ...istics 138 setting read ahead cache size for 30 142 understanding 133 viewing statistics 21 136 viewing status of 25 134 passwords setting 41 setting up for SAM 218 Passwords Security page 42 pausing...

Страница 256: ...ect Disk Channel screen 200 Select Event Categories page 34 Select Free Partition screen 121 Select ID 60 Select Specific Events page 34 serial ports accessing the Disk Array Administrator software 96...

Страница 257: ...firmware 209 updating software 51 Storage Manager module 6 9 51 69 72 79 81 87 striped disks 90 Switch Array Owner 130 system information 41 217 System Information page 41 SYSTEM LED 66 System Menu 9...

Страница 258: ...4 174 drive status 20 54 119 175 events 154 known WWNs 27 145 LUN information 44 197 partition statistics 21 136 partition status 25 134 pool spares 171 read write histogram 21 36 165 status for drive...

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