Thecus Technology 1U4500R, 1U4500S RAID Configuration, RAID Information, RAID Levels

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RAID Information

Item	Description
RAID Level	Shows the current RAID configuration.
Total Capacity	Shows total capacity of the RAID configuration.
Status	Indicates status of the RAID. Can read either Healthy,
	Degraded, or Damaged.
Data Capacity	Indicates the used capacity, total capacity, and current
	percentage used by user data.
Snapshot Capacity	Indicates the used capacity, total capacity, and current
	percentage used by the Snapshot.
USB Capacity	Indicates the used capacity, total capacity, and current
	percentage used by the target USB mode.
Capacity Used	Displays the total space available and total space used on the
	RAID.
Stripe Size	Shows the current disk stripe size.
Remaining Time	Indicates time remaining until the RAID is finished building.
Rebuild Speed	Configures the speed of the RAID rebuild.
	Low: the rebuild will be longer, but the system will be more
	responsive to file requests.
	High: the rebuild will be faster, but the system will be less
	responsive to file requests.
Add new disk as spare	When adding a new disk, this setting determines whether the
disk?	system will add the new disk as a spare disk of the existing
	RAID.

To configure your RAID settings, press the Config button to go to the RAID Configuration screen.

RAID Configuration

On the RAID Information screen, press the Config button to go to the RAID Configuration screen. In addition to RAID disk information and status, this screen lets you make RAID configuration settings.

For more information on RAID, see

Appendix C: RAID Basics.

RAID Level

You can set the storage volume as either None, JBOD, RAID 0, RAID 1 or RAID 5. RAID configuration is usually required only when you first set up the device. A brief description of each RAID setting follows:

RAID Levels

Level	Description
None	There is no existing storage volume.
JBOD	The storage volume is a single HDD with no RAID support. JBOD
	requires a minimum of 1 disk.
RAID 0	Provides data striping but no redundancy. Improves
	performance but not data safety. RAID 0 requires a minimum of
	2 disks.
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Contents User’s Manual Limited Warranty Copyright and Trademark NoticeAbout This Manual Safety Warnings Table of Contents Mapping a Client PC to the 1U4500 Replacing a Failed Power Supply 1U4500R Problems with Time and Date SettingsIntroduction OverviewProduct Highlights Package Contents Front PanelHard Disk Trays Rear Panel1U4500R 1U4500SHardware Installation Hard Disk InstallationBefore You Begin Cable ConnectionsChecking System Status System Status NormalSystem Trouble First Time Setup Thecus Setup WizardPage Display Mode Display ModeLCD Operation LCD ControlsTypical Setup Procedure Management ModeNetwork Setup USB CopyCreate Local Users or Setup Authentication Create Folders and Set Up ACLsStart Services RAID CreationWeb Administration Interface System ManagementMenu Bar Menu BarLanguage Selection System/Service Status Status MenuProduct Information Product InformationService Status System InformationPrinter Status System InformationStorage Management Disks InformationPrinter Status Disks InformationRAID Information A.R.T. InformationA.R.T. Information RAID Configuration RAID LevelRAID Information RAID LevelsDisk Settings Disk SettingsCreating a RAID Advanced RAID Configuration Advanced RAID ConfigurationDeleting a RAID Folder Management Adding FoldersFolder Editing Folders Deleting FoldersNFS Share Add FolderFolder Access Control List ACL Access Control ListNFS Share WAN Configuration WAN ConfigurationNetwork Management System SnapshotsLAN Configuration LAN ConfigurationDhcp Configuration Web Services ConfigurationDhcp Configuration Web ServiceAFP Apple Network Setup NFS SetupApple Network Configuration NFS Server SettingLocal User Configuration Local User ConfigurationUser and Group Management Adding UsersLocal Groups Configuration Local Groups ConfigurationModifying Users Deleting UsersADS/NT Configuration Local Group Setting screen appearsAdding Groups Modifying GroupsSystem Management System NotificationsADS/NT Support AD Domain Example InformationNotification Configuration System LogsSystem Logs Time and Date Settings System Configuration Backup and RestoreSystem Configuration Download/Upload TimeReset to Factory Default Settings Firmware Upgrade screen appearsUpgrading System Firmware Change Administrator Password Reboot and Shutdown SystemChange Administrator Password LogoutAdditional Feature Setup FTP ServerPrinter Server Windows XP SP2Click on File Add Printer Windows Vista Select or install a printer and then press OK Page Using the 1U4500 LoginUsing WebDisk User and Group Management Local User ConfigurationMapping a Client PC to the 1U4500 WindowsApple OS File Backup NsyncAdding an Nsync Task NsyncSetting Up an Nsync Target on an Nsync Device Setting Up an Nsync Target on Another DeviceNsync Target Server Setting Nsync Target Server Enable or Disable Nsync Target supportThecus Backup Utility Add New TaskWindows XP Data Backup Apple OS X Backup UtilitiesTips and Tricks USB and eSATA Storage ExpansionAdding a Spare Disk Target USBRemote Administration Part I Setup a DynDNS AccountPart II Enable Ddns on the Router Part III Setting up Virtual Servers HttpsFirewall Software Configuration Replacing Damaged Hard DrivesHard Drive Damage Replacing a Hard DriveReplacing a Failed Power Supply 1U4500R Troubleshooting Forgot My PasswordResetting NAS IP Address and Admin Password Forgot My Network IP AddressRestoring Factory Defaults Problems with Time and Date SettingsAppendix a Product Specifications Hardware SpecificationsProduct Model 1U4500R 1U4500S Software Specifications RAIDThank you for choosing Thecus Appendix B Customer SupportAppendix C RAID Basics BenefitsRAID Levels Improved PerformanceStripe Size JbodDisk Usage RAID Level Percentage UsedWhat is Active Directory? Appendix D Active Directory BasicsADS Benefits Appendix E Licensing Information Source Code AvailabilityCopyrights Cgic License Terms GNU General Public LicensePage Page