WiebeTech SS8 user manual Appendix B RAID Explained, Way mirroring, RAID 0+1

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W i e b e T e c h L L C

Appendix B: RAID Explained

RAID 0

RAID 1

N-way mirroring

RAID 3

RAID 5

RAID 6

Disk striping of any number of drives.

Minimum of 2 disks.

Disk mirroring of 2 disks.

Disk Mirroring of N disks.

Choose N number of disks and set as RAID 1 array.

Striping with parity on the dedicated disk. Minimum of 3 disks.

Striping with interspersed parity over all member disks. Minimum of 3 disks.

2-dimensional parity protection over all member disks. Minimum of 4 disks.

RAID 0+1

Mirroring of RAID 0 volumes.

 

Minimum of 4 disks and array needs to consist of even number of disks.

RAID 10

Striping over RAID 1 volumes.

 

Minimum of 4 disks and array needs to consist of even number of disks.

RAID 30

Striping over RAID 3 volumes.

 

Minimum of 6 disks. With 6 disks, two arrays of RAID 3 are striped into one

 

array as RAID 30.

RAID 50

Striping over RAID 5 volumes.

 

Minimum of 6 disks. With 6 disks, two arrays of RAID 5 are striped into one

 

array as RAID 50.

RAID 60

Striping over RAID 6 volumes.

 

Minimum of 8 disks. With 8 disks, two arrays of RAID 6 are striped into one

 

array as RAID 60.

JBOD

The abbreviation of “Just a Bunch Of Disks. JBOD will set the disks as

 

individual disks.

ProSATA SS8 User Manual

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Contents Ultra 320 Scsi to Sata Disk Subsystem ProSATA SS8Copyright@2006, WiebeTech LLC PrefaceAbout this Manual TrademarksTable of Contents GUI ConnectionGUI operation Appendix Advanced operationProduct Overview FeaturesTechnical Specifications Requirement Environment SetupBefore installation Package contentsInstall Sata disks Product overviewFront view Rear view Connect cables GUI http GUI ConnectionChange IP Config Reset/ShutdownQuick Install View IP SettingProSATA SS8 Menu GUI operationHttp//192.168.0.200 LoginUse the Quick install function to create a volume easily Quick installSystem config Password IP addressDate Snmp MailEvent log Volume configVG Name Physical diskSlot Size MBPD operations description TotalMB FreeMB Volume groupVG column description NameVG operations description User data groupSizeMB Status UDV column descriptionSizeMB Cache volumeUDV operations description CV column descriptionLogical unit CV operations descriptionLUN operations description SAF-TE config Voltage & TemperatureEnclosure management Smart MaintenanceInfo UpgradeShutdown LogoutCreate volume group Enter Volume config Enter Volume groupAdvanced operations Enter Volume config Enter User data volume Create user data volumeAttach LUN to UDV Attach and detach Bus ID, Scsi ID, and LUNDetach Bus ID, Scsi ID and LUN from UDV Enter Volume config Enter Logical unitCreate dedicated cache Enter Volume config Enter Cache volumeSet global spare and dedicated spare disks Enter Volume config Enter Physical disk2 a 4-Way RAID 1 array migrates to RAID 3 array Migration / ExpansionE b e T e c h L L C My ProSATA does not mount when I turn it on Appendix a Frequently Asked Questions FAQAppendix B RAID Explained Way mirroringRAID 0+1 Host Appendix C GlossarySpare SAF-TE