Partitions

Table

Hard drive is identified by the device id “da0”.

da0x0 preinst msdosfs
da0x1 preinst2 msdosfs
da0x2 eap_kern
da0x3 eap_vsh msdosfs
da0x4 system msdosfs/exfat
da0x4b system(b) msdosfs/exfat
da0x5 system_ex msdosfs/exfat
da0x5b system_ex(b) msdosfs/exfat
da0x6 old swap swapfs
da0x6x0 new swap swapfs
da0x6x1 kernel log ?
da0x6x2 user log ?
da0x7 hiber ?
da0x8 app_tmp tmpfs
da0x9 system_data ufs
da0x10 rec_game ?
da0x11 rec_share ?
da0x12 update msdosfs
da0x13 user ufs
da0x14 eap_user ufs
da0x15 app_reserved (dmem swap) ufs
es0.crypt ext_hdd ?

HDD Partitions

Linux Disk Information

PS4 500GB HDD as seen with "GPT Protective Partition" in Windows XP/embedded/2003 32bit/x86

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
01 !1	10 !10	17 !/dev/sdc17	1 GiB	1 GiB	70091073741824000001,073,741,824	80dd49e3-a985-4887-81de-1daca47aed90
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
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
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)

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 when booting:

[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