[FS#897] Xiaomi Mi WiFi Nano / Youth (R1CL) - only 4 MB available in /overlay

[LEDE Bugs]

A new Flyspray task has been opened.  Details are below. 

User who did this - BzF (BzF) 

Attached to Project - LEDE Project
Summary - Xiaomi Mi WiFi Nano / Youth (R1CL) - only 4 MB available in /overlay
Task Type - Bug Report
Category - Base system
Status - Unconfirmed
Assigned To - 
Operating System - All
Severity - Low
Priority - Very Low
Reported Version - Trunk
Due in Version - Undecided
Due Date - Undecided
Details - This device has 16 MB flash, but with fresh install of recent LEDE
//lede-17.01.2-ramips-mt7628-miwifi-nano-squashfs-sysupgrade.bin
Reboot (17.01.2, r3435-65eec8bd5f)
//
on Xiaomi Mi WiFi Nano / Youth (R1CL) only 4 MB are available in /overlay:

root at LEDE:~# df -h
Filesystem                Size      Used Available Use% Mounted on
/dev/root                 2.3M      2.3M         0 100% /rom
tmpfs                    29.8M     60.0K     29.8M   0% /tmp
tmpfs                    29.8M     48.0K     29.8M   0% /tmp/root
tmpfs                   512.0K         0    512.0K   0% /dev
/dev/mtdblock6            4.3M    276.0K      4.0M   6% /overlay
overlayfs:/overlay        4.3M    276.0K      4.0M   6% /


With fresh instal of PandoraBox
//PandoraBox-ralink-mt7628-xiaomi-r1cl-squashfs-sysupgrade-r1468-20151001.bin
PandoraBox 14.09 r1468 / LuCI 0.12 (0.12+git-4d0a20b)
//
is available 10 MB:

[root at PandoraBox:/root]# df -h
Filesystem                Size      Used Available Use% Mounted on
rootfs                   10.6M    428.0K     10.2M   4% /
/dev/root                 4.0M      4.0M         0 100% /rom
tmpfs                    30.1M    144.0K     29.9M   0% /tmp
/dev/mtdblock7           10.6M    428.0K     10.2M   4% /overlay
overlayfs:/overlay       10.6M    428.0K     10.2M   4% /
tmpfs                   512.0K         0    512.0K   0% /dev



More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=897