Promise Technology TX8, TX4 user manual Partition and Format the Array, Jbod

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UltraTrak100 TX4 and UltraTrak100 TX8 User Manual

JBOD

Characteristics/Advantages	Disadvantages
Uses 100% capacity of all hard drives	The failure of just one drive will result in all
	data in an array being lost
	Should not be used in mission critical
	environments

Recommended Applications for JBOD

•File archiving

•General fileserver

HOT SPARE DRIVE(S)

A good precaution to protecting your array integrity in the event of drive failure is maintaining a hot spare drive. A hot spare is a drive that is connected to the array system, but is not assigned as a member of the array. In the event of the failure of a drive within a functioning fault tolerant array, the hot spare is activated as a member of the array. The spare drive effectively takes the place of the failed drive and the RAID system immediately begins to rebuild data on the drive. When the rebuild is complete, the array is returned to fault tolerant status. Once the failed drive is replaced, the new drive is automatically recognized as a hot spare in the event of a subsequent drive fault.

PARTITION AND FORMAT THE ARRAY

Like any other type of fixed disk media in your system, a RAID array must also be partitioned and formatted before use. Use the same method of partitioning and formatting on an array as you would any other fixed disk.

Depending on the operating system you use, there may or may not be various capacity limitations applicable for the different types of partitions.

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Contents ULTRATRAK100 TX4 ULTRATRAK100 TX8 Copyright TrademarksImportant Data Protection Information Radio Frequency Interference Statement Table of Contents RAID Page Introduction Architectural DescriptionFeatures and Benefits Feature BenefitGetting Started Install Hard DrivesConfiguration Unpack ULTRATRAK100UltraTrak100 Disk Drive Access TX4 Shown Connecting the Scsi Cables Back of UltraTrak100 TX4 see for TX8Daisy Chaining Several UltraTrak100s Together Connect Power Cable and Switch Power on Assign a Scsi IDConfigure the ULTRATRAK100 Press SEL to Save Changes Choosing a RAID Level Advantages DisadvantagesCharacteristics/Advantages Disadvantages RAID 0+1Partition and Format the Array JbodIndicator Color Meaning MaintenanceDrive Status Indicators Critical & Offline ArraysREBUILDING/SYNCHRONIZING Fault Tolerant Arrays When a Disk Drive FailsReplacing a Disk Drive Module Drive Replacement Drive CarrierConnecting Cables to Disk Drive Replacing a Power Supply Module TX8 onlyBack of UltraTrak100 TX8 ULTRATRAK100 Front Panel Interface Type of Interface Name CommentsLCD Messages Error ModeConfiguration Mode Array FunctionalView Status Configure Array Configure Cache Configure ScsiView Status View Array Information View Controller InfoView Cache Stats View EnclosureView Controller Information RAID 0 Functional Temperature 30C/86FArray 0 Size 12GB 5009 RPMCreate/Cancel View Drive Assignments Define Array Auto Array SetupPress SEL to Create Press Exit to Cancel What you can do Delete ArrayNo Free Disk What you can do Maxtor Asng In Ary IBM Asng In AryRAID Level 4KB 8KB Maxtor Free IBM Assigned Maxtor FreeWipe out disk Synchronize Array Disable Buzzer Array ID Rebuild/Sync Pri. LowWrite Back Write Thru What you can do Write CacheWrite Cache What you can do Write BackMode ID SelectedScsi ID Press Or to move these items on the LCD What you can doUSA Tech Support Center Technical Support ServicesContacting Promise Support European Tech SupportPacific Rim Sales Office China OfficeLimited Warranty Disclaimer of Other WarrantiesPage Returning Product for Repair USA & Canada Your Responsibilities Appendix a Technology Background Introduction to RAIDRAID 1 Mirroring RAID 0+1 STRIPING/MIRROR RAID 3 Block Striping with Parity Drive RAID 5 Block and Parity Striping Jbod Spanning Appendix B Frequently Asked Questions Why can’t I see the drives on the UltraTrak100 under FDISK?