Partitions
Jump to navigation
Jump to search
Table
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 (in sflash) | Raw partition decrypted and uncompressed by EAP KBL to EAP DDR3. | |
| da0x3 | eap_vsh | msdosfs | EAP HDD Key | ||
| 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 | ? | ||
| da0x6x0 | new swap | swapfs | ? | ||
| da0x6x1 | kernel log | ? | ? | ||
| da0x6x2 | user log | ? | ? | ||
| da0x7 | hiber | ? | ? | ||
| da0x8 | app_tmp | tmpfs | ? | ||
| da0x9 | system_data | ufs | ?SAMU HDD Key? | ||
| da0x10 | rec_game | ? | ? | ||
| da0x11 | rec_share | ? | ? | ||
| da0x12 | update | msdosfs | EAP HDD Key | RW | |
| da0x13 | user | ufs | EAP HDD Key | RW | |
| da0x14 | eap_user | ufs | EAP HDD Key | RW | |
| da0x15 | app_reserved | ufs | ? | ?dmem swap? | |
| es0.crypt | ext_hdd | ? | ? | Only present since about FW 4.50. Used for external HDD content management. |
HDD Partitions
Linux Disk Information
PS4 partitions as seen in Windows Vista/2008/7/8/10 and 64-bit version of Windows XP/2003
| № | Part | device file | Z5K500 size |
ST500LM012 size |
in bytes | type | remarks |
|---|---|---|---|---|---|---|---|
| 1 | 10 | /dev/sdc17 | 1 GiB | 1 GiB | 1,073,741,824 | 80dd49e3-a985-4887-81de-1daca47aed90 |
app_tmp |
| 2 | 15 | /dev/sdc31 | 16 GiB | 16 GiB | 17,179,869,184 | 3ef7290a-de81-4887-a11f-46fba765c71c |
app_reserved |
| 3 | 13 | /dev/sdc27 | 420.12 GiB | 420.120117188 GiB | 451,100,540,928 | c638477a-e002-4b57-a454-a27fb63a33a8 |
user |
| 4 | 9 | /dev/sdc13 | 8 GiB | 8 GiB | 8,589,934,592 | 76a9a5b4-44b0-472a-bde3-3107472adee2 |
old swap |
| 5 | 5 | /dev/sdc9 | 1 GiB | 1 GiB | 1,073,741,824 | 757a614b-6179-5361-6b61-6b6968617261 |
system |
| 6 | 6 | /dev/sdc10 | 1 GiB | 1 GiB | 1,073,741,824 | 757a614b-6179-5361-6b61-6b6968617261 |
system(b) |
| 7 | 7 | /dev/sdc11 | 1 GiB | 1 GiB | 1,073,741,824 | dc85025f-a694-4109-be44-fa0c063e8b81 |
system_ex |
| 8 | 8 | /dev/sdc12 | 1 GiB | 1 GiB | 1,073,741,824 | dc85025f-a694-4109-be44-fa0c063e8b81 |
system_ex(b) |
| 9 | 11 | /dev/sdc19 | 8 GiB | 8 GiB | 8,589,934,592 | a71ff62d-1421-4dd9-935d-25dabd81bec5 |
system_data |
| A | 1 | /dev/sdc1 | 512 MiB | 512 MiB | 536,870,912 | 17800f17-b9e1-425d-b937-0119a0813172 |
preinst |
| B | 2 | /dev/sdc3 | 1 GiB | 1 GiB | 1,073,741,824 | ccb52e94-ebef-48c4-a195-9e2da5b0292c |
preinst2 |
| C | 3 | /dev/sdc5 | 16 MiB | 16 MiB | 16,777,216 | 145268bf-63ad-47c1-9378-9aacd9beed7c |
eap_kern |
| D | 4 | /dev/sdc7 | 128 MiB | 128 MiB | 134,217,728 | 6e0c5310-8445-4066-b571-9b65fdb75935 |
eap_vsh |
| E | 14 | /dev/sdc29 | 1 GiB | 1 GiB | 1,073,741,824 | 21e4dfb4-0040-4934-a037-ea9dc058eea6 |
eap_user |
| F | 12 | /dev/sdc25 | 6 GiB | 6 GiB | 6,442,450,944 | fdb5ede1-73c3-4c43-8c5b-2d3dcfcddff8 |
update |
Note: A raw dump of a HDD from a never booted PS4 would take 500,1 GiB (500,107,861,504 bytes), which would 7z compress nicely to around 1,2 GB (1,168,407,328 bytes)
Cygwin Disk Information
| Device | Size | Remarks |
|---|---|---|
| /dev/sdb1 | 512MiB | preinst |
| /dev/sdb2 | 1GiB | preinst2 |
| /dev/sdb3 | 16MiB | eap_kern |
| /dev/sdb4 | 128MiB | eap_vsh |
| /dev/sdb5 | 1GiB | system |
| /dev/sdb6 | 1GiB | system b |
| /dev/sdb7 | 1GiB | system_ex |
| /dev/sdb8 | 1GiB | system_ex b |
| /dev/sdb9 | 8 GiB | old swap |
| /dev/sdb10 | 1 GiB | app_tmp |
| /dev/sdb11 | 8 GiB | system_data |
| /dev/sdb12 | 6 GiB | update |
| /dev/sdb13 | remaining GiB | user |
| /dev/sdb14 | 1 GiB | eap_user |
| /dev/sdb15 | 16 GiB | app |
PS4 HDD partitions check logs
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.
Mountpoints
- Host devices
- APP_HOME (DATA)
- APP_HOME (HOST)
SceSysCore nmount / nmount_ufs
| 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
| 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
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
Files on the PS4
Main article: Files on the PS4
| |||||||||||||||||||||||||||||||||||||
