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Juniper Networks C4000, C2000 manual Managing Disks in a C-series Platform, Replacing a Disk

Models: C4000 C2000

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C2000 and C4000 1.0.x Hardware Guide

Managing Disks in a C-series Platform

The SRC CLI provides commands to let you monitor disk status, replace faulty disks, and reinitialize disks in the system.

Replacing a Disk

If a disk in the C-series platform fails, you can replace it while the other disk remains active.

To replace a disk:

1.Disable the disk.

user@host> request disk disable device 0 1

2.Remove the disk from the system.

3.Insert a new disk.

4.Enable the disk.

user@host> request disk enable device 0 1

5.Initialize the new disk.

user@host> request disk initialize device 0 1

The command generates data on the disk that enables the disk controller to manage the disk. The disk controller copies data from the other disk and establishes mirroring between the two disks.

6.Verify that the disk is initialized. user@host> show disk status

C:ID:L	Device Type		Blocks	Bytes/Block	Usage	Shared Rate
------	--------------		--------- -----------		---------------- ------ ----
0:00:0	Disk		145226112	512	Initialized	NO	150
0:01:0	Disk		145226112	512	Initialized	NO	150
	Smart	Method of		Enable
	Capable	Informational		Exception	Performance	Error
C:ID:L	Device	Exceptions(MRIE)		Control	Enabled	Count
------	-------	----------------		---------	-----------	------
0:00:0	Y		6	Y	N	0
0:01:0	Y		6	Y	N	0

40■ Managing Disks in a C-series Platform

Image 54

Juniper Networks C4000, C2000 manual Managing Disks in a C-series Platform, Replacing a Disk

Contents

C2000 and C4000 Hardware Guide Series Platforms Hardware Guide Iii End User License AgreementPage Table of Contents Part Hardware Maintenance Procedures and Specifications Chapter Setting the Initial ConfigurationChapter Managing RAID Disks on a C-series Platform Part Index About This Guide ObjectivesAudience Documentation Conventions Text ConventionsRelated Juniper Networks Documentation User@host# set local-addressJuniper Networks C-series and SRC Technical Publications Core Documentation SetObtaining Documentation Documentation FeedbackRequesting Support Product Overview C2000 and C4000 1.0.x Hardware Guide Product Overview Series Platform Overview System DescriptionSeries Platform Models Series Model Differences C2000, Front ViewSeries Model Components C4000, Rear ViewNetwork Management Tools CLI ManagementSnmp MIB Management Page Initial Installation C2000 and C4000 1.0.x Hardware Guide Initial Installation Unpacking and Inspecting the C-series Platform Before You BeginIf You Detect or Suspect Damage Inspecting System Components and AccessoriesUnpacking the Units Contacting Juniper NetworksInstalling and Cabling the C-series Platform Freestanding InstallationInstalling the System Rack-Mounted InstallationInstallation Guidelines Preparing the Equipment RacksCabling the System Cabling the Management ConsoleCabling the System for Power Cabling Ethernet InterfacesC2000, Front View Next Step Powering Up the C-series Platform Powering UpStatus LEDs Model LEDsSetting the Initial Configuration Configuration OverviewSetting Up Management Access and Logging Configuring the Juniper Networks Database Configuring Hostname and Domain Parameters Edit Root@host# set system host-name my-hostnameConfiguring the System for Remote Access Configuring the System to Accept SSH and Telnet Connections Adding an Admin User Account Set the password of the user C2000 and C4000 1.0.x Hardware Guide Next Step Hardware Maintenance Procedures and Specifications Page Maintaining the System Required Tools and ItemsCleaning the System Removing and Installing a FanStoring Modules and Components Removing and Installing a Power Supply Module Removing and Installing a Hard Drive System Specifications C2000 Model SpecificationsC2000 Model Specifications C4000 Model Specifications C4000 Model SpecificationsSystem Specifications Page Managing RAID Disks on a C-series Platform Series Platform Data StorageManaging Disks in a C-series Platform Replacing a DiskReinitializing an Active Disk Viewing Information About Disks on a C-series PlatformShow disk status Output Fields Field Name Field DescriptionInstallation Guidelines and Requirements Your Preinstallation ResponsibilitiesEnvironmental Requirements Regulatory CompliancesSafety Guidelines Equipment Rack Requirements Mechanical RequirementsProper Rack Installation Space RequirementsCabling Recommendations Product Reclamation and Recycling Program Hardware Compliance Federal Communications Commission FCC StatementFCC Requirements for Consumer Products Industry Canada Notice CS-03 Avis CS-03 dIndustrie CanadaC. Explanatory Notes Equipment Attachment Limitations EC Declaration of Conformity Return Procedure Contacting Customer Support and Returning HardwareContacting Customer Support Locating Component Serial Numbers Information You Might Need to Supply to JtacReturning Products for Repair or Replacement Tools and Parts RequiredPacking Instructions for Returning a Chassis Remove the chassis from the rack Declaration of Conformity Declaration of ConformityPage Index C2000 and C4000 1.0.x Hardware Guide Index Compliance Manuals