Juniper JUNOS 10.2, Руководство по модернизации

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Storage Media
The J Series routers use the following media storage devices:
■
Internal CompactFlash card—The CompactFlash card is the primary boot device.
■
External media device—Depending on the system, this external device can be
a CompactFlash card or a USB storage device. Juniper Networks recommends
that you attach an external device to the system and use this external device as
the backup boot device for the system.
Routing Engines and Storage Media Names (J Series Routers)
Table 4 on page 21 specifies the storage media names used by the J Series routers.
The storage media device names are displayed as the router boots.
Table 4: Routing Engines and Storage Media Names (J Series Routers)
USB Storage Media
Devices
External CompactFlash Card
J4300 and J6300 Routers
Only Internal
CompactFlash
Card
Routing Engine
da0 ad2 ad0 J Series Routers
To view the storage media currently available on your system, use the CLI
show
system storage command. For more information about this command, see the JUNOS
CLI User's Guide .
Boot Sequence (J Series Routers)
The router attempts to boot from the storage media in the following order:
1.
Internal CompactFlash card
2.
External CompactFlash card (J4300 and J6300 routers only)
3.
USB storage media device
Routing Engines and Storage Media Names (J Series Routers)
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Chapter 2: Hardware Architecture