Wipe_Data_Without_Wiping_Media

~ # chmod 755 /tmp/Wipe_Data_Without_Wiping_Media

~ # du -sh /data/*
4.0K    /data/adb
456.0K  /data/anr
419.4M  /data/app
4.0K    /data/app-asec
75.5M   /data/app-lib
4.0K    /data/app-private
4.0K    /data/app_g
4.0K    /data/audio
24.0K   /data/backup
4.0K    /data/bootchart
0       /data/bugreports
0       /data/cam_socket1
0       /data/cam_socket2
0       /data/cam_socket3
4.0K    /data/connectivity
4.0K    /data/core
767.0M  /data/dalvik-cache
60.2M   /data/data
20.0K   /data/drm
0       /data/effect_endpoint_update
4.0K    /data/fota
4.0K    /data/fpc
24.0K   /data/hdcp
4.0K    /data/hostapd
8.0K    /data/local
4.0K    /data/lost+found
141.4M  /data/media
4.0K    /data/mediadrm
1.5M    /data/misc
44.0K   /data/persist
4.0K    /data/preload
44.0K   /data/property
4.0K    /data/resource-cache
12.0K   /data/secure
4.0K    /data/security
4.0K    /data/shared
4.0K    /data/ss
2.0M    /data/system
12.0K   /data/time
20.0K   /data/tombstones
4.0K    /data/user

~ # /tmp/Wipe_Data_Without_Wiping_Media
/data partition already mounted
Wiping data without wiping /data/media ...
skipped '/data/misc/vold'
skipped '/data/media'
skipped '/data/system/storage.xml'
skipped '/data/.layout_version'
Done. (Deleted 710 directories and 1486 files)

~ # du -sh /data/*
141.4M  /data/media
8.0K    /data/misc
8.0K    /data/system


~ # umount /data
~ # /tmp/Wipe_Data_Without_Wiping_Media
Mounting /data partition (attempt 1)...
Wiping data without wiping /data/media ...
skipped '/data/misc/vold'
skipped '/data/media'
skipped '/data/system/storage.xml'
skipped '/data/.layout_version'
Done. (Deleted 2 directories and 0 files)
~ # du -sh /data/*
141.4M  /data/media
8.0K    /data/misc
8.0K    /data/system
~ #