Objective
The post shows the procedure to uninstall Network OS and into ONIE environment
Setup
- Power on the switch
- Connect to the switch via console port
- Login to the switch
Steps with x86
- Reboot Network OS
Look for the prompt on GRUB menu, and select
ONIE1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20GNU GRUB version 2.02~beta2+e4a1fe391
+----------------------------------------------------------------------------+
| OpenSwitch Primary Image (as5712-ops-1.0.0-release+2017030612) |
| OpenSwitch Secondary Image (Version information not available) |
| OpenSwitch Development -- NFS root |
|*ONIE |
| DIAG: Accton Diagnostic |
| |
| |
| |
| |
| |
| |
| |
+----------------------------------------------------------------------------+
Use the ^ and v keys to select which entry is highlighted.
Press enter to boot the selected OS, `e' to edit the commands
before booting or `c' for a command-line.Choose
Uninstall OS1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20GNU GRUB version 2.02~beta2+e4a1fe391
+----------------------------------------------------------------------------+
| ONIE: Install OS |
| ONIE: Rescue |
|*ONIE: Uninstall OS |
| ONIE: Update ONIE |
| ONIE: Embed ONIE |
| DIAG: Accton Diagnostic (as5712_54x) |
| |
| |
| |
| |
| |
| |
+----------------------------------------------------------------------------+
Use the ^ and v keys to select which entry is highlighted.
Press enter to boot the selected OS, `e' to edit the commands
before booting or `c' for a command-line.The uninstall procedure is long and takes 30 mins
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29Info: Mounting kernel filesystems... done.
scsi 6:0:0:0: Direct-Access USB DISK 2.0 PMAP PQ: 0 ANSI: 6
sd 6:0:0:0: [sda] 15466496 512-byte logical blocks: (7.91 GB/7.37 GiB)
sd 6:0:0:0: [sda] Write Protect is off
sd 6:0:0:0: [sda] Write cache: disabled, read cache: enabled, doesn't support DPO or FUA
sd 6:0:0:0: [sda] Attached SCSI disk
Info: Mounting ONIE-BOOT on /mnt/onie-boot ...
Info: Using eth0 MAC address: xx:xx:xx:xx:xx:xx
Info: eth0: Checking link... up.
Info: Trying DHCPv4 on interface: eth0
ONIE: OS Uninstall Mode ...
random: nonblocking pool is initialized
Warning: Unable to configure interface using DHCPv4: eth0
ONIE: Using default IPv4 addr: eth0: 192.168.3.10/24
ONIE: Using link-local IPv4 addr: eth0: 169.254.226.25/16
Starting: dropbear ssh daemon... done.
Starting: telnetd... done.
discover: Uninstall mode detected. Running uninstaller.
Erasing internal mass storage device: /dev/sda4 (128MB)
Percent complete: 100%
Erase complete.
Deleting partition 4 from /dev/sda
Erasing internal mass storage device: /dev/sda5 (1024MB)
Percent complete: 100%
Erase complete.
Deleting partition 5 from /dev/sda
Erasing internal mass storage device: /dev/sda6 (2048MB)
Percent complete: 100%
...(Skip)Edgecore switch will reboot once completed, and ONIE will be loaded.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20GNU GRUB version 2.02~beta2+e4a1fe391
+----------------------------------------------------------------------------+
|*ONIE: Install OS |
| ONIE: Rescue |
| ONIE: Uninstall OS |
| ONIE: Update ONIE |
| ONIE: Embed ONIE |
| DIAG: Accton Diagnostic (as5712_54x) |
| |
| |
| |
| |
| |
| |
+----------------------------------------------------------------------------+
Use the ^ and v keys to select which entry is highlighted.
Press enter to boot the selected OS, `e' to edit the commands
before booting or `c' for a command-line.
Steps with U-Boot
- Reboot Network OS
Press any keywhen you see the following prompt:1
Hit any key to stop autoboot:
Type the command for uninstall NOS
1
LOADER=> run onie_uninstall