Creating A Snapshot And Using It To Boot An Ex Series Switch - Juniper JUNOS OS 10.3 - SOFTWARE Manual

Creating a Snapshot and Using It to Boot an EX Series Switch

Copyright © 2010, Juniper Networks, Inc.
Chapter 6: Registering the Switch, Booting the Switch, Upgrading Software, and Managing Licenses
See Rear Panel of an EX3200 Switch for USB port location.
See Rear Panel of an EX4200 Switch for USB port location.
See Switch Fabric and Routing Engine (SRE) Module in an EX8208 Switch for USB
port location.
See Routing Engine (RE) Module in an EX8216 Switch for USB port location.
Understanding Software Installation on EX Series Switches on page 69
The system snapshot feature takes a "snapshot" of the files currently used to run the EX
Series switch—the complete contents of the
the running Juniper Networks Junos OS, the active configuration, and the rescue
configuration—and copies all of these files into an alternate (internal, meaning internal
flash, or an external, meaning USB flash) memory source. You can then use these
snapshots to boot the switch at the next bootup or as a backup boot option.
This topic includes the following tasks:
Creating a Snapshot on a USB Flash Drive and Using It to Boot the Switch on page 89
1.
Creating a Snapshot on an Internal Flash Drive and Using it to Boot the
2.
Switch on page 90
Creating a Snapshot on a USB Flash Drive and Using It to Boot the Switch
A snapshot can be created on USB flash memory after a switch is booted using files
stored in internal memory.
Ensure that you have the following tools and parts available before creating a snapshot
on a USB Flash drive:
A USB flash drive that meets the EX Series switch USB port specifications. See USB
Port Specifications for an EX Series Switch.
To create a snapshot on USB flash memory and use it to boot the switch:
Place the snapshot into USB flash memory:
1.
user@switch> request system snapshot partition media external slice 1
NOTE: This example uses the
a partition for the snapshot, you don't need to use the
(Optional) Perform this step if you want to boot the switch now using the snapshot
2.
stored on the USB flash drive. If you created the snapshot as a backup, do not perform
this step.
To reboot the switch using the most recently created snapshot:
user@switch> request system reboot media external
and directories, which include
/config /var
partition option. If you have already created
partition
option.
89