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README-P2

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Scott Leonard
2025-11-24 02:40:55 -08:00
parent 5ed940bb3b
commit 1f8048f18b
1 changed files with 7 additions and 14 deletions
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extroot/extroot.txt → extroot/README.md
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@@ -1,13 +1,6 @@
OpenWrt 24.x Extroot on XE300 # OpenWRT 24.10.0 Extroot on XE-300
Goal: Use a microSD card as the router's writable storage (overlay), ## 1. Insert card & install required packages
single ext4 partition, no data copied from internal flash.
Device: GL-iNet XE300, OpenWRT 24.10.4, 512 Gb SD Card
Detected as: /dev/sda with one partition /dev/sda1
1. Insert card & install required packages
opkg update opkg update
opkg install block-mount kmod-fs-ext4 kmod-usb-storage e2fsprogs opkg install block-mount kmod-fs-ext4 kmod-usb-storage e2fsprogs
@@ -17,7 +10,7 @@ kmod-fs-ext4 - kernel driver for ext4 filesystem
kmod-usb-storage - makes the SD slot show up as /dev/sda kmod-usb-storage - makes the SD slot show up as /dev/sda
e2fsprogs - provides mkfs.ext4 e2fsprogs - provides mkfs.ext4
2. Confirm the SD card is /dev/sda and /dev/sda1 ## 2. Confirm the SD card is /dev/sda and /dev/sda1
Check dmesg: Check dmesg:
@@ -30,12 +23,12 @@ sda: sda1
sd 0:0:0:0: [sda] Attached SCSI removable disk sd 0:0:0:0: [sda] Attached SCSI removable disk
3. Format /dev/sda1 as ext4 for extroot ## 3. Format /dev/sda1 as ext4 for extroot
mkfs.ext4 -L extroot /dev/sda1 mkfs.ext4 -L extroot /dev/sda1
You should see output ending with success and a UUID. You should see output ending with success and a UUID.
4. Grab the UUID and create the extroot fstab entry ## 4. Grab the UUID and create the extroot fstab entry
UUID=$(block info | awk -F\" '/sda1/ {print $2}') UUID=$(block info | awk -F\" '/sda1/ {print $2}')
echo $UUID echo $UUID
@@ -73,13 +66,13 @@ config mount 'extroot'
option enabled '1' option enabled '1'
5. Reboot into extroot ## 5. Reboot into extroot
reboot reboot
Wait for the router to come back up, then SSH in again. Wait for the router to come back up, then SSH in again.
6. Verify that the SD card is now your root overlay ## 6. Verify that the SD card is now your root overlay
df -h df -h