Hard drive is identified by the device id “da0”.
| Device name |
Partition name |
Filesystem |
Encryption Type |
Permissions |
Notes
|
| da0x0 |
preinst |
msdosfs |
SAMU HDD Key |
|
|
| da0x1 |
preinst2 |
msdosfs |
SAMU HDD Key |
|
|
| da0x2 |
eap_kern |
raw |
EAP Kernel Key from EAP KBL (not per-console, in sflash or PUP) |
|
Raw partition decrypted and uncompressed by EAP KBL to EAP DDR3.
|
| da0x3 |
eap_vsh |
msdosfs |
EAP HDD Key (per-console, in sflash) |
|
|
| da0x4 |
system |
msdosfs/exfat |
SAMU HDD Key |
|
|
| da0x4b |
system(b) |
msdosfs/exfat |
SAMU HDD Key |
|
|
| da0x5 |
system_ex |
msdosfs/exfat |
SAMU HDD Key |
|
|
| da0x5b |
system_ex(b) |
msdosfs/exfat |
SAMU HDD Key |
|
|
| da0x6 |
old swap |
swapfs |
versioned_key (not per-console, in AMD x86 kernel) + OpenPsId (per-console, encrypted in sflash) |
|
|
| da0x6x0 |
new swap |
swapfs |
?same as old swap? |
|
|
| da0x6x1 |
kernel log |
?raw or swapfs? |
?same as old swap? |
|
|
| da0x6x2 |
user log |
?raw or swapfs? |
?same as old swap? |
|
|
| da0x7 |
hiber |
? |
? |
|
|
| da0x8 |
app_tmp |
ufs |
SAMU HDD Key |
|
|
| da0x9 |
system_data |
ufs |
SAMU HDD Key |
|
|
| da0x10 |
rec_game |
? |
? |
|
|
| da0x11 |
rec_share |
? |
? |
|
|
| da0x12 |
update |
msdosfs |
EAP HDD Key (per-console, in sflash) |
RW |
|
| da0x13 |
user |
ufs |
EAP HDD Key (per-console, in sflash) |
RW |
|
| da0x14 |
eap_user |
ufs |
EAP HDD Key (per-console, in sflash) |
RW |
|
| da0x15 |
app_reserved |
ufs |
SAMU HDD Key |
|
?dmem swap?
|
| es0.crypt |
ext_hdd |
? |
? |
|
Only present since about FW 4.50. Used for external HDD content management.
|
PS4 500GB HDD as seen with "GPT Protective Partition" in Windows XP/embedded/2003 32bit/x86
| № |
Part |
device file |
Z5K500
size |
ST500LM012
size |
in bytes |
type |
remarks
|
| 01 !1 |
10 !10 |
17 !/dev/sdc17 |
1 GiB |
1 GiB |
70091073741824000001,073,741,824 |
80dd49e3-a985-4887-81de-1daca47aed90 |
app_tmp
|
| 02 !2 |
15 !15 |
31 !/dev/sdc31 |
16 GiB |
16 GiB |
701017179869184000017,179,869,184 |
3ef7290a-de81-4887-a11f-46fba765c71c |
app_reserved
|
| 03 !3 |
13 !13 |
27 !/dev/sdc27 |
420.12 GiB |
420.120117188 GiB |
7011451100540928000451,100,540,928 |
c638477a-e002-4b57-a454-a27fb63a33a8 |
user
|
| 04 !4 |
09 !9 |
13 !/dev/sdc13 |
8 GiB |
8 GiB |
70098589934592000008,589,934,592 |
76a9a5b4-44b0-472a-bde3-3107472adee2 |
old swap
|
| 05 !5 |
05 !5 |
09 !/dev/sdc9 |
1 GiB |
1 GiB |
70091073741824000001,073,741,824 |
757a614b-6179-5361-6b61-6b6968617261 |
system
|
| 06 !6 |
06 !6 |
10 !/dev/sdc10 |
1 GiB |
1 GiB |
70091073741824000001,073,741,824 |
757a614b-6179-5361-6b61-6b6968617261 |
system(b)
|
| 07 !7 |
07 !7 |
11 !/dev/sdc11 |
1 GiB |
1 GiB |
70091073741824000001,073,741,824 |
dc85025f-a694-4109-be44-fa0c063e8b81 |
system_ex
|
| 08 !8 |
08 !8 |
12 !/dev/sdc12 |
1 GiB |
1 GiB |
70091073741824000001,073,741,824 |
dc85025f-a694-4109-be44-fa0c063e8b81 |
system_ex(b)
|
| 09 !9 |
11 !11 |
19 !/dev/sdc19 |
8 GiB |
8 GiB |
70098589934592000008,589,934,592 |
a71ff62d-1421-4dd9-935d-25dabd81bec5 |
system_data
|
| 10 !A |
01 !1 |
01 !/dev/sdc1 |
512 MiB |
512 MiB |
7008536870912000000536,870,912 |
17800f17-b9e1-425d-b937-0119a0813172 |
preinst
|
| 11 !B |
02 !2 |
03 !/dev/sdc3 |
1 GiB |
1 GiB |
70091073741824000001,073,741,824 |
ccb52e94-ebef-48c4-a195-9e2da5b0292c |
preinst2
|
| 12 !C |
03 !3 |
05 !/dev/sdc5 |
16 MiB |
16 MiB |
700716777216000000016,777,216 |
145268bf-63ad-47c1-9378-9aacd9beed7c |
eap_kern
|
| 13 !D |
04 !4 |
07 !/dev/sdc7 |
128 MiB |
128 MiB |
7008134217728000000134,217,728 |
6e0c5310-8445-4066-b571-9b65fdb75935 |
eap_vsh
|
| 14 !E |
14 !14 |
29 !/dev/sdc29 |
1 GiB |
1 GiB |
70091073741824000001,073,741,824 |
21e4dfb4-0040-4934-a037-ea9dc058eea6 |
eap_user
|
| 15 !F |
12 !12 |
25 !/dev/sdc25 |
6 GiB |
6 GiB |
70096442450944000006,442,450,944 |
fdb5ede1-73c3-4c43-8c5b-2d3dcfcddff8 |
update
|
Note: A raw dump of a HDD from a never booted PS4 would take 500,1 GiB (7011500107861504000500,107,861,504 bytes), which would 7z compress nicely to around 1,2 GB (70091168407328000001,168,407,328 bytes)
| Device |
Size |
Remarks |
Crypto
|
| /dev/sdb1 |
512MiB |
preinst |
samu
|
| /dev/sdb2 |
1GiB |
preinst2 |
samu
|
| /dev/sdb3 |
16MiB |
eap_kern |
static
|
| /dev/sdb4 |
128MiB |
eap_vsh |
eap
|
| /dev/sdb5 |
1GiB |
system b |
samu
|
| /dev/sdb6 |
1GiB |
system |
samu
|
| /dev/sdb7 |
1GiB |
system_ex b |
samu
|
| /dev/sdb8 |
1GiB |
system_ex |
samu
|
| /dev/sdb9 |
8 GiB |
old swap |
static + psid
|
| /dev/sdb10 |
1 GiB |
app_tmp |
samu
|
| /dev/sdb11 |
8 GiB |
system_data |
samu
|
| /dev/sdb12 |
6 GiB |
update |
eap
|
| /dev/sdb13 |
remaining GiB |
user |
eap
|
| /dev/sdb14 |
1 GiB |
eap_user |
eap
|
| /dev/sdb15 |
16 GiB |
app |
samu
|
PS4 HDD partitions check logs[edit | edit source]
From logs of a 5.05 PS4 testkit CUH-12xx when suspending, with stock 500GB HDD:
[SceShellCore][StorageStatsReport] HDD partition [WRITE] :
da0x4 (system ): bytes: 0B, transfer: 0
da0x4b (system(b) ): bytes: 1.11GiB, transfer: 9068
da0x5 (system_ex ): bytes: 0B, transfer: 0
da0x5b (system_ex(b)): bytes: 1.04GiB, transfer: 8543
da0x6 (old swap ): bytes: 705.43MiB, transfer: 17749
da0x8 (app_tmp ): bytes: 35.26MiB, transfer: 880
da0x9 (system_data ): bytes: 41.48GiB, transfer: 1741368
da0x12 (update ): bytes: 6.83GiB, transfer: 58112
da0x13 (user ): bytes: 68.33GiB, transfer: 2180231
da0x14 (eap_user ): bytes: 6.79MiB, transfer: 1403
da0x6x0 (new swap ): bytes: 703.02MiB, transfer: 12979
da0x6x1 (kernel log ): bytes: 654.00KiB, transfer: 1264
da0x6x2 (user log ): bytes: 1.77MiB, transfer: 3506
es0.crypt (ext_hdd ): bytes: 50.37MiB, transfer: 1022
From logs of a 5.05 PS4 testkit CUH-12xx when suspending, after swapping HDD to a 512GB SSD, reinstalling firmware and reinitializing.
[SceShellCore][StorageStatsReport] HDD partition [WRITE] :
da0x4 (system ): bytes: 0B, transfer: 0
da0x4b (system(b) ): bytes: 0B, transfer: 0
da0x5 (system_ex ): bytes: 0B, transfer: 0
da0x5b (system_ex(b)): bytes: 0B, transfer: 0
da0x6 (old swap ): bytes: 182.00KiB, transfer: 352
da0x8 (app_tmp ): bytes: 0B, transfer: 0
da0x9 (system_data ): bytes: 2.04GiB, transfer: 85198
da0x12 (update ): bytes: 0B, transfer: 0
da0x13 (user ): bytes: 233.85MiB, transfer: 8575
da0x14 (eap_user ): bytes: 544.00KiB, transfer: 129
da0x6x0 (new swap ): bytes: 16.00KiB, transfer: 32
da0x6x1 (kernel log ): bytes: 0B, transfer: 0
da0x6x2 (user log ): bytes: 166.00KiB, transfer: 320
- These displayed sizes are the written sizes.
- (b) stands for "backup" which is an inactive partition used when firmware update fails.
- Host devices
- APP_HOME (DATA)
- APP_HOME (HOST)
SceSysCore nmount / nmount_ufs[edit | edit source]
| module |
type |
source |
destination
|
| SceSysCore mini |
nmount |
/dev/da0x4.crypt |
/system
|
| SceSysCore mini |
nmount |
/dev/da0x5.crypt |
/system_ex
|
| SceSysCore mini |
nmount_ufs |
/dev/da0x9.crypt |
/system_data
|
| SceSysCore mini |
nmount_ufs |
/dev/da0x13.crypt |
/user
|
| SceSysCore mini |
nmount_ufs |
/dev/da0x14.crypt |
/eap_user
|
| SceSysCore mini |
mount |
/dev/da0x12.crypt |
/update
|
| SceSysCore mini |
nmount |
/dev/da0x0.crypt |
/preinst
|
| SceSysCore mini |
nmount |
/dev/da0x1.crypt |
/preinst2
|
| SceSysCore |
nmount |
/data |
/user/data
|
|
|
/dev/da1s1 |
/mnt/usb0
|
SceSysCore scheduler device[edit | edit source]
| module |
scheduler |
source |
destination
|
| SceSysCore |
GEOM I/O scheduler |
is |
da0 / da0.sched
|
| SceSysCore |
BD scheduler |
bd_sched |
cd0 / cd0.sched (/mnt/disc0)
|
Partitions mounted on boot[edit | edit source]
From logs of a 5.05 PS4 TestKit CUH-12xx during boot:
[SceSysCore mini] nmount /dev/da0x4.crypt to /system
[SceSysCore mini] nmount /dev/da0x5.crypt to /system_ex
[SceSysCore mini] nmount_ufs /dev/da0x9.crypt to /system_data
[SceSysCore mini] nmount_ufs /dev/da0x14.crypt to /eap_user
[SceSysCore mini] nmount /dev/da0x12.crypt to /update
[SceSysCore mini] nmount /dev/da0x0.crypt to /preinst
[SceSysCore mini] nmount /dev/da0x1.crypt to /preinst2
[SceSysCore] nmount /data to /user/data
Main article: Files on the PS4
