Since the device is currently running you could try this procedure.
Create a snapshot of the device onto the usb drive
request system snapshot media usb partitioncopy the installer file to the usb var/tmp
Reboot to the snapshot
request system reboot media usb
Do the install to the internal drive with disk format option
------------------------------
Steve Puluka BSEET - Juniper Ambassador
IP Architect - DQE Communications Pittsburgh, PA (Metro Ethernet & ISP)
http://puluka.com/home------------------------------
Original Message:
Sent: 01-21-2022 10:34
From: Anonymous User
Subject: Error when installing from loader via USB
This message was posted by a user wishing to remain anonymous
I have an old pair of SRX100B that I have at my home. I would like to reinstall Junos on them because they are issuing disk-related errors when booting up and one of them reboots constantly. I have a copy of the Junos version that was installed on them (12.1X46-D65.4) on a USB. When I attempt to follow the procedure for installing via the loader prompt, everything is fine until a certain point:
Starting JUNOS installation:
Source Package: disk1:/junos-srxsme-12.1X46-D65.4-domestic.tgz
Target Media : internal
Product : srx100b
ERROR: Source media /dev/da1s1 does not exist
At this point, the system starts the shutdown process and reboots. My flash is a 16GB flash. I can't help but think that the way my flash is partitioned might be the reason here. I formatted it using a Mac and the diskutil/newfs_msdos commands:
diskutil zerodisk /dev/disk2
sudo newfs_msdos -F 16 /dev/disk2
diskutil mount /dev/disk2
Any ideas what the problem might be?