Juniper QFX5100-48S-6Q

How to troubleshoot a Juniper QFX5100-48S-6Q switch that doesn't boot into the JunOS.

 loader> install --format tftp://192.168.0.93/jinstall-qfx-12.3X50-D10.3-domestic-signed.tgz
Target device selected for installation: tftp://192.168.0.93/jinstall-qfx-12.3X50-D10.3-domestic-signed.tgz uboot_eth0: initialization failed. da0: Attempt to query device size failed: NOT READY, Medium not present
Kernel thread "wkupdaemon" (pid 71) exited prematurely.
(da0:umass-sim0:0:0:0): READ CAPACITY. CDB: 25 0 0 0 0 0 0 0 0 0
(da0:umass-sim0:0:0:0): CAM Status: SCSI Status Error
(da0:umass-sim0:0:0:0): SCSI Status: Check Condition
(da0:umass-sim0:0:0:0): NOT READY asc:3a,0
(da0:umass-sim0:0:0:0): Medium not present
(da0:umass-sim0:0:0:0): Unretryable error

Before start this let's think about the issues that could cause boot problems to network devices ( router, switch, supervisors,management module,etc.)

Option 1: corrupt, bad or failure image upgrade.

Option 2: storage device on unit ( flash, bootflash, sup-bootdisk, hard drives, etc) is defective.

Option 3: network problems in case that unit is booting from the network and so on.

(a message like the following below was causing a boot problem in a switch QFX3500 a few months ago. solution was replace the storage device. the device was there but failed to initialized.)

Main Switch Board

1-JunOS from Juniper Networks:install-media-qfx-5-18.3R1.9

2 - 2 x sandisk sdsa5ak Device SanDisk U100 SSD
Form Factor Half-Slim SATA, mSATA, mSATA mini, Cased 2.5”
Interface SATA 6Gb/s
Capacity (GB) 2 8, 16, 32, 64, 128, 256

Picture below showing unit with missing storage devices .

Sandisk sdsa5ak Device SanDisk U100 SSD

3- software to create boot disk image.

Win32 Disk Imager - 1.0

The installation process will boot from USB which is the location where the junOS will execute the installation process.

after installed the hard drives I have a new message.

 
 



 Creating a  boot disk image.





 

4- Executing install --format command.

loader> install --format tftp://192.168.0.93/jinstall-qfx-12.3X50-D10.3-domestic-signed.tgz
 
Processor Type : Intel(R) Pentium(R) CPU @ 1.50GHz

Serial ATA Port 4 : SanDisk SSD U100 16GB
Serial ATA Port 5 : SanDisk SSD U100 16GB
Other Device 1 : IBA GE Slot 0101 v1350
Other Device 2 : IBA GE Slot 0102 v1350

GNU GRUB version 0.97 (623K lower / 3131132K upper memory)

 
 Junos |
| Junos Debug |
| Junos Recovery

The highlighted entry will be booted automatically in 1 seconds.

(hd0,0): Filesystem type is ext2fs, partition type 0x83
ÿroot='/dev/ram0'
rootfs=''
fstype='ramfs'
initdebug=''
NEWROOT='/sysroot'
hub 1-1:1.0: over-current change on port 1
hub 1-1:1.0: over-current change on port 3
hub 1-1:1.0: over-current change on port 5
Unpacking root filesystem....

After the installation process is done here are the results!

Diagnostic Commands:

root> show version
fpc0:
--------------------------------------------------------------------------
Model: qfx5100-48s-6q
Junos: 18.3R1.9
JUNOS Base OS boot [18.3R1.9]
JUNOS Base OS Software Suite [18.3R1.9]
JUNOS Crypto Software Suite [18.3R1.9]
JUNOS Crypto Software Suite [18.3R1.9]
JUNOS Online Documentation [18.3R1.9]
JUNOS Kernel Software Suite [18.3R1.9]
JUNOS Packet Forwarding Engine Support (qfx-ex-x86-32) [18.3R1.9]
JUNOS Routing Software Suite [18.3R1.9]
JUNOS jsd [i386-18.3R1.9-jet-1]
JUNOS SDN Software Suite [18.3R1.9]
JUNOS Enterprise Software Suite [18.3R1.9]
JUNOS Openconfig [18.3R1.9]
JUNOS Web Management Platform Package [18.3R1.9]
JUNOS py-base-i386 [18.3R1.9]
JUNOS py-extensions-i386 [18.3R1.9]
JUNOS Host Software [18.3R1.9]

{master:0}

root> show chassis hardware detail
Hardware inventory:
Item Version Part number Serial number Description
Chassis TA3715340222 QFX5100-48S-6Q
Pseudo CB 0
Routing Engine 0 BUILTIN BUILTIN QFX Routing Engine
usb1 (addr 1) product 0x0000 0 vendor 0x0000 uhub1
usb1 (addr 2) product 0x0020 32 vendor 0x8087 uhub2
usb1 (addr 3) product 0x0003 3 vendor 0x136b umass0
FPC 0 REV 22 650-049937 TA3715340222 QFX5100-48S-6Q
CPU BUILTIN BUILTIN FPC CPU
PIC 0 BUILTIN BUILTIN 48x10G-6x40G
Power Supply 0 REV 03 740-044332 1GA13320786 JPSU-650W-AC-AFI
Power Supply 1 REV 04 740-044332 1GA15270699 JPSU-650W-AC-AFI
Fan Tray 0 QFX5100 Fan Tray 0, Back to Front Airflow - AFI
Fan Tray 1 QFX5100 Fan Tray 1, Back to Front Airflow - AFI
Fan Tray 2 QFX5100 Fan Tray 2, Back to Front Airflow - AFI
Fan Tray 3 QFX5100 Fan Tray 3, Back to Front Airflow - AFI
Fan Tray 4 QFX5100 Fan Tray 4, Back to Front Airflow - AFI
---(more)---Jan 24 20:24:07 authd[1791]: LICENSE_SOCKET_FAILURE: 'evConnect' failed for socket 8:

{master:0}

root> show chassis routing-engine
Routing Engine status:
Slot 0:
Current state Master
Model QFX Routing Engine
Serial ID BUILTIN
Last reboot reason 0x1:power cycle/failure
Load averages: 1 minute 5 minute 15 minute
0.00 0.00 0.00

{master:0}

root> show chassis environment
Class Item Status Measurement
Power FPC 0 Power Supply 0 Present
FPC 0 Power Supply 1 Present
Fans FPC 0 Fan Tray 0 Testing
FPC 0 Fan Tray 1 Testing
FPC 0 Fan Tray 2 Testing
FPC 0 Fan Tray 3 Testing
FPC 0 Fan Tray 4 Testing

{master:0}

root> show chassis alarms
1 alarms currently active
Alarm time Class Description
2019-01-24 20:22:08 UTC Major Management Ethernet Links Down

{master:0}
 
root> show system alarms
1 alarms currently active
Alarm time Class Description
2019-01-24 20:22:08 UTC Major Management Ethernet Links Down

{master:0}
root>

Thanks for watching suggestions are always welcome.

SvNetworks