my_ex4200> show system storage partitions
fpc0:
----------------------------------------------------------------------
Boot Media: internal (da0)
Active Partition: da0s2a <--------- Active
Backup Partition: da0s1a
Currently booted from: backup (da0s1a) <--------- Booted
Partitions information:
Partition Size Mountpoint
s1a 184M /
s2a 183M altroot
s3d 369M /var/tmp
s3e 123M /var
s4d 62M /config
s4e unused (backup config)
fpc1:
----------------------------------------------------------------------
Boot Media: internal (da0)
Active Partition: da0s2a
Backup Partition: da0s1a
Currently booted from: backup (da0s1a)
Partitions information:
Partition Size Mountpoint
s1a 184M /
s2a 183M altroot
s3d 369M /var/tmp
s3e 123M /var
s4d 62M /config
s4e unused (backup config)
To show the software versions installed on the respective partitions:
my_ex4200> show system snapshot media internal
Information for snapshot on internal (/dev/da0s1a) (backup)
Creation date: Feb 2 08:43:02 2012
JUNOS version on snapshot:
jbase : 10.4R9.2
jcrypto-ex: 10.4R9.2
jdocs-ex: 10.4R9.2
jkernel-ex: 10.4R9.2
jroute-ex: 10.4R9.2
jswitch-ex: 10.4R9.2
jweb-ex: 10.4R9.2
jpfe-ex42x: 10.4R9.2
Information for snapshot on internal (/dev/da0s2a) (primary)
Creation date: Jan 5 16:25:17 2013
JUNOS version on snapshot:
jbase : ex-11.4R5.7
jcrypto-ex: 11.4R5.7
jdocs-ex: 11.4R5.7
jkernel-ex: 11.4R5.7
jroute-ex: 11.4R5.7
jswitch-ex: 11.4R5.7
jweb-ex: 11.4R5.7
jpfe-ex42x: 11.4R5.7
To boot from the alternate partition (for a quick fail-back of software version):
my_ex4200# request system reboot slice alternate
