request system recover
Syntax
request system recover (junos-volume | oam-volume)
Description
Use this command to recover a specified volume of the system.
Guest network functions (GNFs) do not support the recover option under the request system command. See Components of Junos Node Slicing for
more details on GNF.
Options
junos-volume |
Specify the /junos volume to be recovered. The /junos volume is the main drive and contains all the software and files needed for the day-to-day running of the device, including configuration information and logs. The/junos volume also contains non-recovery snapshots, which are new with Junos OS with upgraded FreeBSD. Non-recovery snapshots cannot be used for recovery of a failed system. |
oam-volume |
Specify the /oam volume to be recovered.
The compact flash drive is the /oam volume and stores recovery snapshot backup information. In case
of failure of the /junos volume,
the /oam volume can be used to boot
the system. The /oam volume has the
recovery snapshot, which is created with the |
Additional Information
If you try to recover the /junos volume while you are booted on the /junos volume, you will get an error message.
To recover the /junos volume, do the following:
Recover the /oam volume.
user@host> request system recover oam-volume
Reboot on the /oam volume.
user@host> request system reboot oam-volume
Required Privilege Level
view
Sample Output
- request system recover junos-volume (While booted on the /junos volume)
- request system recover junos-volume (While booted on the /oam volume)
- request system recover oam-volume
request system recover junos-volume (While booted on the /junos volume)
user@host> request system recover junos-volume ERROR: You are currently running on the Junos volume ERROR: A recovery of the Junos volume is not possible
request system recover junos-volume (While booted on the /oam volume)
user@host> request system recover junos-volume
NOTICE: Recovering the Junos volume ...
ada0p3 deleted
ada0 created
ada0p1 added
bootcode written to ada0
ada0p3 added
ada0p2 added
/dev/gpt/junos: 20303.9MB (41582448 sectors) block size 32768, fragment size 4096
using 33 cylinder groups of 626.22MB, 20039 blks, 80256 inodes.
super-block backups (for fsck_ffs -b #) at:
192, 1282688, 2565184, 3847680, 5130176, 6412672, 7695168, 8977664, 10260160,
11542656, 12825152, 14107648, 15390144, 16672640, 17955136, 19237632,
20520128, 21802624, 23085120, 24367616, 25650112, 26932608, 28215104,
29497600, 30780096, 32062592, 33345088, 34627584, 35910080, 37192576,
38475072, 39757568, 41040064
NOTICE: Junos volume recoveredrequest system recover oam-volume
user@host> request system recover oam-volume
NOTICE: Recovering the OAM volume ...
ada1p2 deleted
ada1 created
ada1p1 added
bootcode written to ada1
ada1p2 added
/dev/gpt/oam: 3831.6MB (7847136 sectors) block size 32768, fragment size 4096
using 7 cylinder groups of 626.09MB, 20035 blks, 80256 inodes.
super-block backups (for fsck_ffs -b #) at:
192, 1282432, 2564672, 3846912, 5129152, 6411392, 7693632
Verified oam signed by PackageProductionEc_2017 method ECDSA256+SHA256
Installing OAM volume contents ...
The OAM volume is now installed
NOTICE: Creating a recovery snapshot on the OAM volume ...
Creating image ...
Compressing image ...
Image size is 1717MB
Recovery snapshot created successfully
NOTICE: OAM volume recoveredRelease Information
Command introduced in Junos OS Release 15.1.
Command introduced for all platforms using Junos OS with upgraded FreeBSD. To find which platforms in which releases use Junos OS with upgraded FreeBSD, see Feature Explorer, enter freebsd, and select Junos kernel upgrade to FreeBSD 10+.