Removing The Usb Drive - Juniper J2300 User Manual

J-series™ Services Router User Guide
primary compact flash disk fails on startup, and the removable compact flash
disk is not installed or fails, the router boots from the USB drive.
For information about configuring the USB drive, see "Configuring
Boot Devices" on page 508.
NOTE: For a list of supported USB drives, see the J-series release notes at
http://www.juniper.net
To remove and install a USB drive, perform the following procedures:

Removing the USB Drive

NOTE: Depending on your configuration, the Services Router might not have a USB
drive. If no USB drive is installed, proceed directly to the next section, "Installing
the USB Drive" on page 529.
The USB drive is installed into the USB port on the front panel of the
Services Router. To remove the USB drive:
1.
2.
3.
4.
528
Replacing Hardware Components
.
"Removing the USB Drive" on page 528
"Installing the USB Drive" on page 529
Place an electrostatic bag or antistatic mat on a flat, stable surface.
Attach an electrostatic discharge (ESD) grounding strap to your bare wrist and
connect the strap to the ESD point on the chassis, or to an outside ESD point if
the router is disconnected from earth ground. For more information about
ESD, see "Preventing Electrostatic Discharge Damage" on page 567.
Verify that the router did not boot from the USB drive by issuing the
command from the CLI. For example:
system storage
user@host> show system storage
Filesystem 512-blocks
/dev/ad0s1a 218254
...
The boot device is mounted on
. The removable compact flash disk is located at
ad0
located at . This example shows that the router booted from the primary
usb0
compact flash disk.
If the output indicates that the router booted from the USB
show system storage
drive, press and release the power button to power off the router. Wait for the
LED to turn off before you remove the USB drive.
POWER ON
Used Avail Capacity Mounted on
175546 40526
. The primary compact flash disk is located at
/
. The USB drive is
ad2
show
81% /