Atto EPCI-ESTR-000 storage software
Contents
1. 0 volume being created you may specify properties such as format type name interleave and volume size Also available in ExpressStripe v2 0 or later is one click optimization This feature automatically detects and sets common properties based on the applications that you specify 1 Use the Select Volume list box to view the requested properties for a specific volume being created The properties for that volume can then be modified 2 Use the Format list box to select the format of the volume 3 In the Name text field enter a name for the volume 3 Using the Number of volumes pull down list select the number of RAID 0 volumes you wish to create from the selected free space portion IX Note The number of volumes that can be created depends on the disk free size and the space remaining in the disk s partition map 4 Click on the Next button to configure the volumes 4 If you are using ExpressStripe v2 0 or later select the appropriate application in the Application list box to automatically configure the RAID 0 volume properties for optimal performance Use the Interleave list box only if you are using ExpressStripe version older than v2 0 or if your application vendor has recommended an interleave size different than that displayed 5 Use the Size slider bar to adjust the size of the volume if necessary IX Note The graphical representation of the drive at the left of the screen displays how much volume 12 A2. amp OS X support v vi ATTOExpressStripe Installation and Operation Manual vii ATTO Technology Inc SCSI ExpressPCi Ultra320 SCSI Product Features UL5D UL5D LP UL4D UL4S Maximum Transfer Rate MB sec 640 640 640 320 Low Voltage Differential v v v v Single ended SCSI v v v v Number of SCSI channels 2 2 2 1 Connector config external internal 2 2 2 0 2 2 1 1 Number of SCSI IDs supported 30 30 30 30 Cable distances m 12 5 12 5 12 5 12 5 Large File Transfers v v v v 32 bit PCI compatible v v 64 bit PCI compatible v v 33 MHz PCI v v 66 MHz PCI v v 133 MHz PCI X v v x4 PCI Express v v Windows support v v v v Linux v v v v Mac OS X support v v v v Novell Network support v v v v RoHS compliant version v v v v Low profile v viii ATTOExpresssStripe Installation and Operation Manual
3. at www attotech com software drivers html mounts reads from and writes to volumes created in ExpressStripe OS X e Supports hot swap of drives attached to ATTO Celerity ATTO ExpressPCI FC ATTO ExpressPClI SCSI Ultra3 and ATTO ExpressPCl SCSI Ultra 320 adapters System Requirements e Mac OS X Attached storage and cables For SCSI SAS and Fibre Channel storage we recommend an ATTO ExpressPCI SCSI ExpressSAS SAS SATA ExpressPCl FC or Celerity FC Host adapter Minimum one hard drive for volume creation two hard drives for RAID compatibility in addition to the root drive 2 RAID Overview Originally Redundant Array of Inexpensive Disks now Redundant Array of Independent Drives RAID is a storage system using multiple disk drives ATTO ExpressStripe creates virtual disk arrays on physical drives to increase capacity and performance Large amounts of data can be supported over many smaller drives when the drives are combined into one large virtual drive Management is easier than using several drives in a JBOD Just a Bunch of Disks configuration RAID overlaps disk seeks minimizing aggregate seek time delays for the storage group as a whole Data is written in equal short operations to each member of the RAID group in turn so that when the first member of a group begins writing to disk the second member is available to take data This continues until the last member of a group is writing to disk and the first
4. devices work together making a larger virtual disk and taking advantage of the combined performance of those devices to match the needs of high bandwidth applications This software package also includes the ATTO Benchmark tool This user friendly utility reports and graphs the peak average and minimum read transfer rates If you need additional assistance comprehensive on line help text is available along the way Click on the help button for additional information on the specific operation ke highlights Creates Standard and RAID 0 volumes Support for volume sizes up to 8 exabytes e support for multiple Macintosh OS X file system formats e Creates multiple volumes simultaneously e Supports SCSI Fibre Channel FireWire and ATA storage protocols 1 ATTO Technology Inc RAID for Macintosh OS X Includes the ATTO Benchmark utility e Wizard style interface for easy setup Optimized for ATTO ExpressPCI and Celerity host adapters Striping interleave sizes of 4KB to 4MB allow application tuning Support for sector sizes greater than 512 Bytes e Retrieves drive information e Provides a visual representation of volumes partition maps and system logs e Provides integrated support to mount ATTO ExpressRAID for Mac OS 9 RAID Volumes providing seamless support for legacy storage without costly time consuming data conversion e Using the OS 9 Compatibility Extension available for download from the ATTO web site
5. screen using the back button the original screen is reset to the default settings Authorize your product Please fill out this form to apply for an authorization code Your authorization code will be emailed directly to you Be sure to enter a valid email address If you have forgotten your authorization code for your existing software there is no need to fill out this form Please click here This Email will not be used for promotional purposes Rindicates a required field Product Name r SelectProduct Version Number a Customer Name R E Mail Address R Company Name O Minimum 4 characters Serial Number a Letters are lowercase I Check here to receive information about software and firmware updates The following generic error messages may be displayed during any operation Error messages for specific operations may be found in those chapters Error Could not unmount volumes Your system has not been changed The system did not unmount the volumes in time You can drag the drives to the trash and then try again If the system can t unmount the drives because another program has them locked an error message displays when you try to drag to the trash FileNotFoundException dev diskname device busy IOException dev diskname device busy IOException dev diskname not supported IOException dev diskname I O Error Every operation needs to open the disk and read from it or write to i
6. sending data does not wait for an acknowledgement ACK that the data has been received before sending more data Refer to synchronous a sector of a disk which stores a group of bytes that must be read or written together a file system distinguishes between names which are the same but uses a different case for some or all of the letters Cyclic Redundancy Check an error correcting code which calculates a numeric value for received and transmitted data If no error has occurred during transmission the CRC for both received and transmitted data should be the same Fibre Channel software stored in read only memory ROM or programmable ROM PROM Firmware is often responsible for a system s behavior when it is first switched on a communication protocol which allows transmission in both directions at the same time a communication protocol which allows transmission in both directions but only one direction at a time a file system commonly used on older Macintosh computers a processor usually a CPU and memory which communicates with devices over an interface a component which originates a command Just a Bunch Of Disks a storage subsystem using multiple independent disk drives with or without RAID configuration feature which protects a file system s integrity against power outages and other disruptive events It does not protect the user data buffer at the time of failure Logical Unit Number a SCSI or Fibre Cha
7. the number of volumes to create low many volumes do you wish to create Drive name s diskl1l F 3 _ 128 MB 3 5 GB 3 5 GB ree space earn Number of volumes 4 4 E Back Help C Next Create several Standard Volumes 2 Using the mouse highlight the drive where you want the volume created Create Standard Volumes Select a drive for the new volume s Using the mouse highlight one drive to create the new volume s Sector Size Free Model Location 512 Bytes Uninitialized ATTO Disk100 Media SAS 512 Bytes 465 715 GB ATTO Disk200 Media SAS Name Size diskl 465 715 GB disk2 465 715 GB disk3 465 715 GB 512 Bytes 128 MB ATTO Disk300 Media SAS disk4 465 715 GB 4KB Full ATTO Disk400 Media SAS disks 465 715 GB 4KB Full ATTO Disk500 Media SAS Back I Help Next Finish 3 Click the Next button to continue the setup process and set volume parameters such as size and number of volumes to be created or click the Finish button to skip the setup process and create a new Standard Volume using common default parameters The volume uses all the free space on the selected drive IX Note The number of volumes that can be created depends on the disk size and the free space remaining in the disk s partition map ATTO ExpressStripe for MacOS X can simultaneously set up several Standard Volumes on a drive 1 Verify that the Drive name matches the drive on which to create the new volume
8. ATTO Technology Inc ATTO ExpressStripe Installation and Operation Manual RAID for Mac OS X ATTO Technology Inc 155 CrossPoint Parkway Amherst New York 14068 USA www attotech com Tel 716 691 1999 Fax 716 691 9353 Sales support sls attotech com Technical support Monday Friday 8am 8pm EST techsupp attotech com 2008 ATTO Technology Inc All rights reserved All brand or product names are trademarks of their respective holders No part of this manual may be reproduced in any form or by any means without the express written permission of ATTO Technology Inc 4 2008 PRMA 0303 000MD Contents 1 ATTO ExpressStripe Provides Storage Solutions 0ceee 1 ExpressStripe highlights System Requirements 2 RAD OVNEN sveve 2 RAID Level 0 ATTO recommendations 3 USING ATTO ExpressStripe muuummussnmstdnmemmetmiinned vdgdde 3 Install ExpressStripe Web software authorization Quick start guide Error messages 4 Initializing Drives ocetsiavencessaseuscsnnnbededsecescuersitoirndentaass aueautemeteede dani 5 Possible error messages 5 Creating a Standard Volume rrnrnannrnnnnnnvnnnnnnnrnnnnnnnnnnannnrnnnnssnnnnner 7 Example of data storage technology Create a single Standard Volume Create several Standard Volumes Specify properties Successful completion Possible error messages 6 Creating a RAID 0 Volume rarrnrnnnnnnrnnnnnnnvnnnnnrnnrnnnnrnnnnnsnnnnnnnnnnnnnnsee 11 Create a
9. OException May be generated by a RAID Stamp exec failure or during a format or Partition Map Save operation 14 ATTO ExpressStripe Installation and Operation Manual 7 Deleting a Volume ExpressStripe for MacOS X allows you to delete volumes to reclaim space on your system Deleting a volume from a drive frees up available space on your system This free space can be made into one or more new volumes IX Note All data on a deleted volume is permanently erased and all associated partitions are deleted as well 1 Click on the Delete button 2 Use the mouse to highlight the volume to delete Delete Volume Delete a volume on a drive Using the mouse highlight one volume to delete Name Size Type ATTO Volume 0 1 GB Mac OS Extended ATTO Volume 1 2 GB Mac OS Extended ATTO Volume 2 3 GB Mac OS Extended ATTO Volume 3 4GB Mac OS Extended ATTO Volume 4 5 GB Mac OS Extended Back Help Next IX Note You may only delete one volume at a time 3 Click on the Next button 4 Verify parameters before ATTO ExpressStripe for Mac OS X tries to delete any volumes TX Note Click on the Back button to return to the Delete screen without making any changes to your system 5 Click the OK button if the parameters in the task list are acceptable 6 ATTO ExpressStripe for Mac OS X deletes the volume 7 Click Quit to end the program or Continue to delete or create volumes 15 ATTO Technology Inc RAID for Maci
10. R30F Maximum transfer rate 4 0 GB sec 4 0 GB sec 4 0 GB sec 4 0 GB sec 4 0 GB sec 4 0 GB sec full duplex x8 PCI Express v v v v v v Number of ports 8 8 16 8 8 16 Port configuration 0 8 8 0 0 16 4 8 8 0 0 16 g User selectable 4 4 or external internal 0 8 2 Mini SAS 2 Mini SAS 4 Mini SAS 1 Mini SAS x4 2 Mini SAS x4 4 Mini SAS x4 x4 x4 x4 SFF 8088 external SFF 8088 external SFF 8087 internal Connector type SFF 8087 SFF 8088 SFF 8087 2 Mini SAS x4 internal external internal SFF 8087 internal Number devices 256 256 256 64 SAS SATA targets 64 SAS SATA targets 64 SAS SATA targets supported end point end point end point 128 virtual 128 virtual 128 virtual 1 5 Gb SATA support v v v v v v 3 Gb SATA II support v v v 7 v 3 Gb SAS support v v v v v v Up to 8m Up to 8m Up to 8m Up to 8m SAS Up to 8m SAS Up to 8m SAS Cable distances SAS SAS SAS 1m SATA 1m SATA 1m SATA 1m SATA 1m SATA 1m SATA Software RAID 0 0 0 0 40 50 607 0 40 50 602 0 40 50 602 0 1 4 5 62 10 JBOD 0 1 4 5 67 10 JBOD 0 1 4 5 62 10 JBOD Integrated RAID DVRAID DVRAID DVRAID RAID management v Vv utility Global Hot Spares v v v Event notification Email pop up log file Email pop up log file Email pop up log file Memory ECC 256 MB standard 256 MB standard 512 MB standard Advanced Data P r J at F F Streaming 32 64 bit support v v v v v v Windows v v v v v v Linux Red Hat SUSE v v v v v v Mac OS X v v v v v v RoHS c
11. TTO Expressstripe Installation and Operation Manual space has been allocated and how much free space remains 6 Repeat the process for additional volumes Click on the Finish button 8 Verify parameters before ATTO ExpressStripe for Mac OS X tries to create any volumes Click N Successful completion on the Back button to return to the Create RAID 0 Volumes number of volumes selection screen without making any changes to your system 9 Click on the OK button to accept your settings and create a RAID 0 volume When the process you have chosen is finished a screen displays which operations were completed or if requested operations were not completed Your desktop shows the ATTO RAID 0 volumes you have created Click Quit to end the program and use your new RAID Level 0 volume or click Continue to create more volumes Possible error messages IX Note ExpressStripe RAID 0 groups are represented on the desktop as an ATTO drive array and clipboard labelled ExpressStripe VolumeName Partitions were not created Each partition is tagged with this message before it has been manipulated Look for the partition in the ExpressStripe Utilities Sys Info partition map section If a partition exists use the Initialize function to erase the disk Partition map is full You can create no more than 30 partitions per disk The system has not been changed VolumeName Partitions were not registered The partitions have
12. been saved but not yet registered You can manually register them by running ATTORAIDStamp and then newfs VolumeName Could not register partitions ATTORAIDStamp has failed Initialize the drives and try again 13 ATTO Technology ExpressStripe VolumeName Partitions registered Message the volume is tagged with after running the ATTORAIDStamp Run newfs to make the volume usable VolumeName was not formatted Each volume is tagged with this message after the partition map has been saved The volume is not mounted and takes up space You may mount the volume if you use newfs to lay down the proper format on the proper disk VolumeName could not format The program can t lay down the format on this volume Other volumes may be formatted VolumeName created This is the success message everything worked as expected VolumeName BSD name does not exist If IOKit does not make the volume devices after the new partition map has been saved there is nothing to format Reboot and either newfs the proper volume device or initialize the entire drive VolumeName is not alive Group Code ATTO_XXXXXXXX The object could not be found in the registry Either the driver is not loaded or IOKit is unusable Check to see if the driver is loaded In Mac OS X 10 2 x or later use the command kextstat grep i attoraid If the driver ATTORAID OS10 kext is in ISystem Library Extensions rebooting reloads it I
13. ck on the Back button at any time to 90 back one screen without making any changes on the current screen Example of data storage technology Each cylinder represents a separate physical drive e Each physical drive has been divided into partitions labelled logical partition LP e Physical Drive 4 has been initialized and is empty with no partitions or data It may be used to create a Standard or striped volume e LP7 and LP11 are free partitions that can be used to create Standard or striped volumes e Data has been striped RAID Level 0 across physical drives 1 2 and 3 using partitions LP1 LP 2 and LP3 named Volume 1 LP4 LP5 and LP6 are stripe data across three separate physical drives into Volume 2 e LP8 is a Standard Volume using one partition LP9 LP 10 LP12 LP 13 and LP14 are Standard Volumes IX Note If you create a striped volume across multiple physical drives and the partitions are not the same size only the portion of each partition equal to the size of the smallest partition is used leaving unused space on the larger partitions of the volume Data Storage O Striped Volume 1 L Striped Volume 2 Standard Volumes L Free Space Physical Drive 1 7 ATTO Technology Inc RAID for Macintosh OS X Physical Drive 2 Physical Drive Physical Drive 3 4 Create a single Standard Volume 1 From the Create screen click on the Standard button Create Standard Volumes ATTO Choose
14. e also failed Close the program with the lock on the disk and or reboot before trying again Exhibit 7 0 1 The effect of deleting a volume The top figure in Exhibit 7 0 1 represents a storage configuration with LP1 LP2 and LP3 as striped volume 1 The diagram below shows the effect of deleting striped volume 1 Each cylinder represents a separate Data Storage physical drive Striped Volume 1 L Striped Volume 2 Standard Volumes E Free Space Each physical drive has been divided into partitions labelled logical partition LP If you delete Striped Volume 1 LP1 LP2 and LP3 becomes free space You can create either Standard or RAID 0 volumes with ATTO ExpressStripe for Mac OS X with the freed space ere Drive skate Drive ese Drive ion Drive All data on the deleted volume are permanently erased and all Data Storage associated partitions are also out ped Volume 2 Standard Volumes Free Space deleted O LJ Physical Drive Physical Drive Physical Drive Physical Drive 1 2 3 4 16 ATTO ExpressStripe Installation and Operation Manual 8 System Information Utilities ATTO ExpressStripe includes utilities to monitor system information and to benchmark drives measuring peak and average throughput for disk reads Click on the Utilities button from the main screen to access benchmark and system information utilities Benchmarking a Volume ExpressStripe reports and graphs the read transfer rates on the drives be
15. ect the drive s you wish to initial T Sector Size Fr Model Locati 512 Bytes Uninitialized ATTO Disk100 Media SAS l Name Size diskl 465 715 GB disk2 465 715 GB 512 Bytes 465 715 GB ATTO Disk200 Media SAS disk3 465 715 GB 512 Bytes 128 MB ATTO Disk300 Media SAS disk4 465 715 GB 4KB Full ATTO Disk400 Media SAS diskS 465 715 GB 4KB Full ATTO Disk500 Media SAS Back Help Next 4 Click the Next button 5 ATTO Technology Inc RAID for Macintosh OS X 5 Verify the parameters in the task list If the parameters are incorrect click on the Back button and return to the Initialize Drive selection screen without making any changes to your system 6 If the parameters on the check list are acceptable click the Drive s Verified button 7 Click the OK button 8 ATTO ExpressStripe for Mac OS X initializes the drive s 9 Click Continue Physical drive 4 in Exhibit 4 0 1 on the following page is a representation of what a drive looks like after being initialized Possible error messages diskname was not initialized Each disk is tagged with this message before initialization If this message appears try the initialization process over again Initialized diskname A success message everything worked as expected FileNotFoundException Indicates either the empty partition map was not written out or the new partition map failed to reload IOExceptions IO exceptions can occur during Erase I
16. for the last 10K of the system log System Information ATTO Click on any of the tabs below to view system information Partition Maps Management Data System diskO Disk name disk7 disk1 System Path dev disk7 disk2 Size 64 MB disk3 Largest Free Partition 31 984 MB 2 Model Demo ATA Disk disk4 Ejectable No disk5 Writable Yes disk6 Registry Path Demo Example Path disk disk8 disk9 disk 10 disk11 disk12 v Back Refresh 18 ATTO ExpressStripe Installation and Operation Manual Appendix A Glossary Some common terms used in the storage industry are defined below More information about Fibre Channel SAS SCSI and Storage Area Networks is available through the ATTO Technology website www attotech com the Fibre Channel Industry Association www fibrechannel org the SCSI Trade Association www scsita org and the Storage Area Networking Industry Association www snia org Term address ANSI asynchronous block case sensitive CRC FC firmware full duplex half duplex hierarchical file system host initiator device JBOD journaling LUN Mac OS X Extended Mac OS X Extended Journaled Mac OS X Extended case sensitive Mac OS X Extended case sensitive journaled originator partition ATTO Technology Inc Definition a specific location in memory American National Standards Institute a way of sending data over a bus in which an initiator
17. hen be read from the spanned physical drives and re assembled into the actual data with minimal delay The ExpressStripe application creates one or more RAID Volumes on partitions contained on two or more physical drives The partition s and volume s are created at the same time The partition s can use all the blocks on all of the drives or they can leave free space which can be used in the future Create a single RAID Volume FIX Note RAID Level 0 volumes do not offer any data recovery mechanisms to restore lost data Back up data stored on RAID Level 0 volumes regularly You must have at least two physical drives to create a striped volume IX Note Click on the Back button at any time to 90 back one screen without making any changes on the current screen 1 From the Create screen click on the RAID 0 button Create RAID 0 Volumes Choose the number of volumes to make How many volumes do you wish to create Drive name s disk11 disk12 128 MB 3 998 GB 3 998 GB Free space lt gt Number of volumes 4 Back Help Next 2 Using the mouse highlight the drives where you want the volume to be created Create RAID 0 Array ATTO Select drives for the new RAID 0 array Jsing the mouse and the open apple key select two or more drives for the new array Sector Size Free Model Location 512 Bytes Uninitialized ATTO Disk100 Media disk2 465 715 GB 512 Bytes 465 715 GB ATTO Disk200 Media d
18. ing tested These benchmarks are non destructive they do not harm the data on volumes in any way 1 Select Benchmark from the Utilities menu Utilities Use the following tools to find out more about your system Benchmark Test the transfer rates of your drive s View system log partition maps Sys Info management data or drive information Back Help Highlight a volume in the volume window Modify test parameters Click Start Benchmark results are displayed in an auto scaling easy to read graph Additional mounted volumes may be tested by selecting them from the volume menu of the benchmark utility of WwW DY 17 ATTO Technology Inc RAID for Macintosh OS X Test parameters Your benchmark results may be tuned using the following parameters Max Transfer Size Choices 32 KB 128 KB 512 KB 2 MB 8 MB Default 32 KB The ExpressStripe Benchmark performs disk reads of varying sizes on the volume tested The Max Transfer Size option determines the size of the transfers To test a drive for applications which transfer smaller blocks of data select a smaller value such as 32 Kilobytes To test a drive for applications which transfer larger blocks of data select a larger transfer size Benchmark Test the transfer rates of your drive s MB s Reads Avg Read 48 05 Volume MacOS X 10 42 04 Sample Size 48 MB i 36 04 Max Transfer Size 32 KB 3004 Resul
19. isk3 465 715 GB 512 Bytes 128 MB ATTO Disk300 Media disk4 465 715 GB 4KB 465 715 GB ATTO Disk400 Media diskS 465 715 GB 4KB 465 715 GB ATTO Disk500 Media Name Size diskl 465 715 GB EEE Back Help Next Finish IX Note All selected drives must have the same sector size Drive sector size must be a factor of a supported interleave 3 Click the Next button to continue the setup process and set volume parameters such as size and number of volumes to be created or click the Finish button to skip the setup process and create a new RAID 0 volume using common default parameters 11 ATTO Expressstripe Installation and Operation Manual IX Note Only valid options are shown Interleave must be a product of sector size Create RAID 0 Array Select the format name interleave and size for your new volume s Select Volume 0 vy Format Mac OS Extended wv Name ATTO RAIDO Volume 0 Application General Purpose v Interleave 32KB 7 Size 32 MB 1 023 438 MB Er oe int sl Med C Back C Help Finish Create several RAID volumes 1 Verify that the Drive name matches the drive on which to create the new volumes 2 Use the Free space slider bar to choose the portion of the available free space that the new volumes occupies IX Note You may use the keyboard to enter the portion of free space i e xx MB xx GB Specify properties For each RAID
20. member of a group is ready for data RAID also takes advantage of the Macintosh OS ability to create partitions and volumes RAID Level 0 RAID Level 0 is commonly used when performance is more important than data protection RAID Level 0 or striping achieves higher I O performance by breaking data into smaller units then writing the data to separate physical drives These striped volumes can then be read from the separate physical drives and re assembled into the actual data with minimal delay You must have at least two physical drives to create a striped volume ATTO recommendations e Although RAID 0 volumes can be created using different types and models of drives use similar types models to ensure the access time is equal to the average access time of a single drive rather than the access time for the slowest drive For maximum performance use a dual channel host adapter with drives equally distributed across busses e Use RAID 0 in environments that demand high I O rates such as video production and editing image editing and pre press e Since RAID 0 does not provide fault tolerance establish a backup policy to protect data stored on RAID 0 volumes 2 ATTO ExpressStripe Installation and Operation Manual 3 Using ATTO ExpressStripe Installing and getting around in ExpressStripe for Macintosh OS X is performed through a series of screens which lead you in the process of creating and managing storage groups In
21. nitialize Partition Map and Saving Partition Map operations Initialization of diskname failed The error is written to the console log Exhibit 4 0 1 Physical drive 4 is an initialized empty drive ready for volume creation LP denotes a logical partition of the physical drive Data Storage O Striped Volume 1 Striped Volume 2 O Standard Volumes Free Space Physical Drive Physical Drive Physical Drive Physical Drive 1 2 3 4 6 ATTO ExpressStripe Installation and Operation Manual 5 Creating a Standard Volume ExpressStripe for MacOS X allows you to create Standard Volumes to store data on a single partition on a single physical drive A Standard Volume stores data on a single partition on a single physical drive The Express Stripe application creates one or more partitions with one or more Standard Volumes on a physical drive at the same time The partition s can use the entire drive or may leave free space for use later Standard Volumes are convenient to create and use but are limited by the speed and size of the drive on which they are located IX Note Standard Volumes do not offer any data recovery mechanism to restore lost data The ExpressStripe application can create one or more partitions with Standard Volumes on a physical drive The partition s and volume s are created at the same time The partition s can use the entire drive or they can leave free space that can be used later IX Note Cli
22. nnel identifier of a device a hierarchical file system HFS which supports longer file names and volumes than in older file systems an HFS file system with journaling capability an HFS file system with case sensitive capability an HFS file system with case sensitive and journaling capabilities an initiating device a component which originates a command a logically separate portion of a disk used to allow multiple systems to coexist on a single disk drive Term PCI RAID RAID Volume receiver SAS SATA SCSI synchronous Standard Volume target topology transfer rate volume Definition Peripheral Component Interconnect a bus which allows devices to communicate with the CPU Originally Redundant Array of Inexpensive Disks now Redundant Array of Independent Drives a storage system spanning multiple disk drives RAID Level 0 disk striping in which fixed length sequences of data are mapped to member disks in a regular rotating pattern Refer to RAID Volume a volume created from two or more partitions which all reside on different drives the ultimate destination of data transmission a terminal device Serial Attached SCSI a point to point serial architecture which offers higher throughput and better scalability than SCSI Serial ATA Advanced Technology Attachment a desktop class storage interface using ATA drives for light duty environments which offers faster data transfer hot swapping greater securi
23. ntosh OS X Refer to Exhibit 7 0 1 to see the effect of deleting a volume Possible error messages Volume VolumeName was not deleted Each volume is tagged with this message before manipulation If you attempt to delete a volume and this message appears try the process again UninitializedPartitionMapException A fatal error occurred while trying to erase VolumeName You tried to delete a DOS volume or a volume on a disk without an Apple partition map structure Do not try to delete DOS or other operating systems volumes with ExpressStripe for Mac OSX The system is unchanged Volume VolumeName was cleared but not deleted Each volume is tagged with this message after the file system has been wiped but before the partition map has been saved Volumes in this state are not mounted but take up space on the disk SystemCallException Can t find volume VolumeName The system didn t return the mount point The filesystem has been destroyed and is unmountable Reboot Newfs the volume device or initialize the disk SystemCallException ATTORAIDStamp returned exit code X The tool that unregisters RAID partitions returned an error when you deleted a RAID Volume Volume VolumeName was deleted A success message everything worked as expected FileNotFoundException or IOException 8 Indicates the load of the old partition map or the save of the updated partition map failed Wiping the filesystem may hav
24. ompliant v v v v v v Low profile v v 1 2 height v v 1 2 height 2 Future support 1 Performance ceiling is constrained by PCI Express bus transfer speed ili ATTO Technology Inc Fibre Channel Celerity 8 Gb Product Features FC 84EN FC 82EN FC 81EN Fibre Channel Ports 4 2 1 FC protocol 8 Gb 8 Gb 8 Gb Maximum Transfer Rate half duplex 3 2 GB sec 1 6 GB sec 800 MB sec Maximum Transfer Rate full duplex 5 GB sec 3 2 GB sec 1 6 GB sec Bus type PCle 2 0 PCle 2 0 PCle 2 0 Bus characteristics 8 lane 8 lane 4 lane Optical interface SFP LC SFP LC SFP LC Maximum cable length ea ae Low profile form factor v v Advanced Data Streaming ADS Technology v v v Software RAID support v x 7 Developer s kit Target Mode amp API v v m Windows support v v v Linux Red Hat SUSE driver support v v v Macintosh OS X driver support v v v RoHS Compliant v v v 3 ATTO ExpressStripe for OS X available Express Power Center and other software RAID supported for Windows iv ATTOExpressStripe Installation and Operation Manual Fibre Channel Celerity 4 Gb Product Features FC 44ES FC 42ES 41 am FC 42XS FC 41XS Fibre Channel Ports 4 2 1 2 1 FC protocol 4 Gb 4 Gb 4 Gb 4 Gb 4 Gb Maximum Transfer Rate half duplex 1 6 GB sec 800 MB sec ae 800 MB sec 400 MB sec Maximum Transfer Rate full d
25. ot created Each partition is tagged with this message before it has been manipulated Reboot and try creating a volume again Partition map is full You can create no more than 30 partitions per disk The system has not been changed VolumeName was not formatted Each volume is tagged with this message after the partition map has been saved The volume cannot be mounted but takes up space You may mount the volume if you use newfs to lay down the proper format on the corresponding volume device VolumeName could not format The program can t lay down the format on this volume Other volumes may be formatted VolumeName created This is the success message everything worked as expected VolumeName BSD name does not exist If IOKit does not make the volume devices after the new partition map has been saved there is nothing to format Reboot and either newfs the proper volume device or initialize the entire drive FileNotFoundException or IOException Indicates that the partition map could not be saved which could occur after a partition map has been saved No changes are made 10 ATTO ExpressStripe Installation and Operation Manual 6 Creating a RAID 0 Volume ExpressStripe for MacOS X allows you to create RAID Level 0 volumes RAID Level 0 or striping achieves higher I O performance by breaking data into smaller units then writing the data to multiple separate physical drives These striped volumes can t
26. s 2 Usethe Free space slider bar to choose the portion of the available free space that the new volume s occupies Create Standard Volumes Select the format name and size for your new volume s Select Volume 0 iv Format Mac OS Extended iv Name ATTO Volume 0 Size 32 MB 895 992 MB 895 992 MB ze j O gt Selected Potential System Free volume volume space space C Back Help Finish ATTO Expressstripe Installation and Operation Manual Note You may use the keyboard to enter the portion of free space i e xx MB xx GB Specify properties For each Standard Volume created you may specify properties such as format type name and size 1 Use the Select Volume list box to view the requested properties for a specific volume being created The properties for that volume can then be modified 2 Use the Format list box to select the format for the volume 3 Inthe Name text field enter a name for the volume 4 Use the Size slider bar to adjust the size of the volume if necessary TD Note The graphical representation of the drive at the left of the screen helps you determine how much volume space has been allocated and how much free space remains 5 Repeat this process for additional volumes Click on the Finish button 7 Verify parameters before ATTO ExpressStripe for Mac OS X tries to create any volumes Click O Successful completion 3 Using the Number of volumes pull do
27. single RAID Volume Create several RAID volumes Specify properties Successful completion Possible error messages 7 Deleting a Volume accccisecticcrhouyyaicenrsenctavedsnmentad ieecuannmniieaienadie 15 Possible error messages 8 System Information Utilities rrrnrrnrnnnnnvrnnnnrrnrnnnnrrnnnnnrnnrannnnrnnnseee 17 Benchmarking a Volume Test parameters System information Appendix Glossary cisticnccinnascvronsenistesceniced sivaestecussnmnincebqnedncetecosaredadtiee i Appendix B Host Adapter Selection Guide cccceeceeeeeeesseeeeeeeeees iii 1 ATTO ExpressStripe Provides Storage Solutions Congratulations on your choice of the premier volume creation and management application for the Macintosh OS X operating system With its easy to use interface ATTO ExpressStripe for Macintosh OS X gives you the power to optimize your storage without a complicated user interface Whether using your Mac for high end digital video editing database management or other high performance applications ExpressStripe for Mac OS X gives you the power you need to work more efficiently with volume creation and management Using a wizard based interface ExpressStripe for Mac OS X makes volume creation simple By following a series of straight forward steps you can set up and begin to use your storage faster than ever ExpressStripe for Mac OS X provides RAID Level 0 functionality Using this application you can make several storage
28. stall ExpressStripe 1 Begin with either 1a or 1b depending on how you received your ExpressStripe software a If you purchased ExpressStripe online and downloaded the files from the ATTO website double click the compressed file tgz and extract the contents to your desktop The application installer app displays Proceed to step 2 b If you are installing ExpressStripe from a CD locate the application auto installer app on the CD 2 Double click the auto installer app Web software authorization 3 Follow the on screen prompts 4 When prompted reboot your computer to complete the installation 5 Register your software online by following Web software authorization instructions on this page IX Note The RAID driver is activated upon reboot To start ExpressStripe for Mac OSX the first time or when upgrading from earlier versions you need the authorization code that was sent to you via Email Please contact ATTO Technology Tech Support if you have not received this code The authorization code is generated from the ATTO F Note Your authorization code is sent to you via Email message 4 Enter the authorization code when prompted to do so Technology website 1 On the Internet go to software registration i www attotech com license Authorize your product html 2 Select ExpressStripe and the current version number 3 Type in your Email address company name and serial number found on
29. t Sometimes the system prevents this process such as when a volume is still mounted and ExpressStripe displays a FileNotFoundException message IOException messages are usually read or write failures If the device is unmounted the device is not listed when the user types df in the terminal then another program may have a lock on the disk Quit the other programs and or reboot Depending upon which operation failed and in what part of the process the disks may or may not have been changed NullPointerException This may be caused by low memory 4 ATTO ExpressStripe Installation and Operation Manual 4 Initializing Drives Initializing a drive prepares a new drive for volume creation and erases all data on a disk To prepare a new drive or completely erase an old drive you first initialize them using ATTO ExpressStripe CAUTION If you initialize a drive all data on the initialized drive is permanently erased Make a backup of any data on a drive before preparing it for volume creation 1 Onthe opening screen click on the Delete button 2 Click on the Initialize button 3 Using the mouse highlight the drive to initialize If you wish to initialize more than one drive use the shift key to select consecutive drives or the open Apple key to select specific non adjacent drives Initialize Drive Initialization will delete all data and create a new partition map Using the mouse and the open apple key sel
30. the ExpressStripe CD case purposes Product Name Version Number Customer Name E Mail Address Company Name Serial Number Letters are lowercase Please fill out this form to apply for an authorization code Your authorization code will be emailed directly to you Be sure to enter a valid email address If you have forgotten your authorization code for your existing software there is no need to fill out this form Please click here This Email will not be used for promotional RIndicates a required field Minimum 4 characters I Check here to receive information about software and firmware updates R Select Product 3 ATTO Technology Inc RAID for Macintosh OS X Quick start guide If you are already familiar with partitions volumes and RAID 0 configurations ExpressStripe gives you easy access to information and configuration parameters TX Note Close all other applications before using ExpressStripe e Click on the Create button to create a new Standard or RAID 0 volume e Click on the Delete button to delete a currently mounted Standard or RAID 0 volume Click on the Utilities button then the Benchmark or Sys Info buttons for detailed information about your storage e Click on the Quit button at the bottom of the screen to exit the application Error messages e Settings in the application are not persistent If you make changes on one screen and then make changes on a previous
31. ts 24 0 Maximum 47 25 MB s 18 04 Average 31 24 MB s Minimum 3 67 MB s 1 6 04 20 8 32 T Trt T 4 8 12 16 24 2 Transfer 1 0 Size KB Start Stop Back Sample Size Choices 8 16 32 48 64 80 MB Default 48 MB Adjusting the sample size changes the number of times each transfer is done during the benchmark test The transfers are then averaged for the final result larger sample size provides more accurate results but causes the benchmark test to take longer Reading Benchmark results Once the benchmark tests are completed ExpressStripe graphically displays the average read transfer rate across all transfer sites tested The Benchmark also reports the peak and minimum values of the read transfer rate test performed Average read value shown as a flat line on the graph indicates the true performance of the drive Peak value is also commonly referred to as the burst transfer rate To get a printout of your results use the open Apple shift3 function System information ExpressStripe reports different types of drive information based on your system and its configuration To return to the Utilities Screen click on the Back button Disk Info provides general information about a disk retrieved from the system Partition Map is a visual layout of the partitions on the drive you select Management Data shows RAID configuration information System Log reports recent ATTO activity
32. ty and more reliable operation than parallel ATA Small Computer Systems Interface a processor independent Standard for system level interface between a computer and intelligent devices including hard disks floppy disks CD ROM printers scanners etc a method of sending data over a bus in which an initiator sends data then waits for an acknowledgement ACK that the data has been received Both the initiator and receiver must support synchronous mode Refer to asynchronous a volume created from a single partition which resides on a single drive a device which responds to commands by an initiator logical layout of the parts of a computer system or network and their interconnections the rate at which bytes or bits are transferred as in megabytes or gigabits per second a usable quantity of storage managed by a file system composed of one or more partitions The volume is formatted with the file system which manages the blocks within the volume Refer to Standard Volume i ATTOExpresssStripe Installation and Operation Manual Appendix B Host Adapter Selection Guide ATTO Technology offers a number of SCSI and Fibre Channel solutions for storage The following charts compare the features of ATTO host adapters SAS SATA ExpressSAS and ExpressSAS RAID Adapters ExpressSAS Host Adapters ExpressSAS RAID Adapters Product Features H308 H380 H30F R348 R380
33. uplex 2 GB sec 1 GB sec ie 1 GB sec 800 MB sec Bus type PCle PCle PCle PCI X PCI X Bus characteristics 8 lane 4 lane 4 lane 64 bit 64 bit 7 133 MHz 133 MHz Optical interface SFP LC SFP LC SFP LC SFP LC SFP LC 300m 2 300m 2 300m 2 300m 2 300m 2 Maximum cable length Gb Gp Gb E GD 150m 4 150m 4 150m 4 150m 4 150m 4 Gb Gb Gb Gb Gb Low profile form factor v v v y Advanced Data Streaming ADS v v v pr Technology Software RAID support v v v v Developer s kit Target Mode amp API v v ES only v v Windows support v v v v v Linux Red Hat SUSE driver support v v v y v Macintosh OS X driver support v v v v v Novell Netware v v ES only v v Solaris v v ES only v v Free BSD v v ES only v v RoHS Compliant v v v v v 2 Backward compatible to 32 bit and 33 MHz PCI vV ATTO Technology Inc 1 Performance ceiling is constrained by bus transfer speed 3 ATTO ExpressStripe for OS X available Express Power Center and other software RAID supported for Windows Fibre Channel ExpressPCi 2 Gb Product Features FC 3300 Maximum Transfer Rate MB sec 400 32 bit PCI compatible v 64 bit PCI compatible v Fabric amp loop support v Number of FC channels 1 Cable distances See 33 MHz PCI compatible v 66 MHz PCI compatible v Optical copper interface Fixed SW LC Class 2 3 Full duplex v RAID support v Windows XP NT 2000 95 98 support v Solaris v Mac OS 9
34. wn list select the number of Standard Volumes you wish to create from the selected free space 4 Click on the Next button to configure the volumes on the Back button to return to the Create Standard Volumes number of volumes selection screen without making any changes to your system 8 Click on the OK button to accept your settings and create a Standard Volume Create Standard Volumes ATTO Click on the OK button to perform the following tasks Prepare system for operations e Create Volume ATTO Volume 0 of size 895 992 MB of type Mac OS Extended Create Volume ATTO Volume of size 895 992 MB of type Mac OS Extended Create Volume ATTO Volume 2 of size 895 992 MB of type Mac OS Extended Create Volume ATTO Volume 3 of size 895 992 MB 4 of type Mac OS Extended t Back JE Help 3 OK When the process you have chosen is finished a screen informs you which operations were completed or if requested operations were not completed Your desktop now shows the volumes you have created You may click Quit to end the program and use your new Standard Volume or click Continue to create more volumes 9 ATTO Technology Inc RAID for Macintosh OS X An ExpresStripe Volume is represented on the desktop as an ATTO drive array and clipboard labelled either Fibre Channel SAS or SCSI denoting the type of attached drives Possible error messages VolumeName Partition was n
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