Managing Disks In A C-Series Platform; Replacing A Disk - Juniper C2000 Hardware Manual

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.
2.
3.
4.
5.
6.
C:ID:L Device Type Blocks
------ -------------- --------- ----------- ---------------- ------ ----
0:00:0 Disk
0:01:0 Disk
Smart Method of
Capable Informational
C:ID:L Device Exceptions(MRIE)
------ ------- ----------------
0:00:0 Y 6
0:01:0 Y 6
40
Managing Disks in a C-series Platform
Disable the disk.
user@host> request disk disable device 0 | 1
Remove the disk from the system.
Insert a new disk.
Enable the disk.
user@host> request disk enable device 0 | 1
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.
Verify that the disk is initialized.
user@host> show disk status
Bytes/Block Usage
145226112 512 Initialized
145226112 512 Initialized
Enable
Exception Performance
Control Enabled
--------- -----------
Y
Y
Shared Rate
NO 150
NO 150
Error
Count
------
N 0
N 0