[ts-7000] Waiting for usb to apear as /dev/sda1 - How ?

["gajans.garage" <>]

Hi,

My TS-7260 using an initramfs, busybox combination that mounts the usb
from /dev/sda1 and then uses swith_root to pivot the rootfs to a the
usb which has a Debian rootfs.

To avoid data loss in the root partition in the event of a power
failure or system crash I want the rootfs to be READ ONLY.

My initramfs init file is
#!/bin/ash
export PATH="/bin:/sbin:/usr/bin"
echo "AYIM init script running .. "
mount -t proc none /proc
mount -t sysfs none /sys
busybox sleep 15
mount -o ro -t ext2 /dev/sda1 /mnt
busybox umount /proc
busybox umount /sys
exec busybox switch_root /mnt /sbin/init
exec /bin/ash

Please give any good suggestions to know whether the usb
device /dev/sda1 is ready to mount. (Now I an just sleeping for 15
seconds). I heard that busybox mdev is useful.. but I don't know how
to make it work.

Thank you
Gajan


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