Editing Partitions

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See also [[Devices#Disk_Device_Listing|Disk Devices]], [[Files on the PS4]] and [https://www.psdevwiki.com/ps5/Partitions PS5 Partitions].
See also [[Files on the PS4]] and [https://www.psdevwiki.com/ps5/Partitions PS5 Partitions].


== Table ==
== Table ==


* Internal HDD is identified by the device id “da0”.
Hard drive is identified by the device id “da0”.
* USB Storage is identified by the device id “da1”.
* USB Extended Storage is identified by the device id “es0”.


{| class="wikitable"
{| class="wikitable"
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| da0x1 || preinst2 || 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 RAM.
| 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) || ||
| da0x3 || eap_vsh || msdosfs || EAP HDD Key (per-console, in sflash) || ||
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| da0x6x2 || user log || ?raw or swapfs? || ?same as old swap? || ||
| da0x6x2 || user log || ?raw or swapfs? || ?same as old swap? || ||
|-
|-
| da0x7 || hiber || ? || ? || || May stand for hibernation so probably used for suspend mode.
| da0x7 || hiber || ? || ? || ||
|-
|-
| da0x8 || app_tmp || ufs || SAMU HDD Key || ||
| da0x8 || app_tmp || ufs || SAMU HDD Key || ||
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| da0x15 || app_reserved || ufs || SAMU HDD Key || || ?dmem swap?
| da0x15 || app_reserved || ufs || SAMU HDD Key || || ?dmem swap?
|-
|-
| da1 || ? || ?raw? || Plaintext || RW || USB Storage. There can be up to 8 USB storage devices simultaneously mounted to /mnt/usb0, ..., /mnt/usb7 so maybe da1 is not the only device for USB. See https://docs.freebsd.org/en/books/handbook/disks/#usb-disks.
| es0.crypt || ext_hdd || ? || ? || || Only present since about FW 4.50. Used for external HDD content management.
|-
| da1s?0? || ? || msdosfs/exfat || Plaintext || RW || USB Storage first partition. There can be up to 8 USB storage devices simultaneously mounted to /mnt/usb0, ..., /mnt/usb7 so maybe da1 is not the only device for USB. See https://docs.freebsd.org/en/books/handbook/disks/#usb-disks.
|-
| es0 || ext_hdd || ?ufs? || PS4-PS5 USB Extended Storage Key (not per-console) + per-HDD seed (not per-console) || RW || [[USB Extended Storage]]. Only present since System Software 4.50.
|}
|}


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=== Linux Disk Information ===
=== Linux Disk Information ===


<div style="float:right">[[File:PS4 500GB HDD as seen in Windows XP.png|200px|thumb|left|PS4 500GB HDD as seen with "GPT Protective Partition" in Windows XP/embedded/2003 32bit/x86]]<br />[[File:Partitions.png|200px|thumb|left|PS4 partitions as seen in 64-bit version of Windows XP/2003/Vista/2008/7/8/10]]</div>
<div style="float:right">[[File:PS4 500GB HDD as seen in Windows XP.png|200px|thumb|left|PS4 500GB HDD as seen with "GPT Protective Partition" in Windows XP/embedded/2003 32bit/x86]]<br />[[File:Partitions.png|200px|thumb|left|[http://pastie.org/9300133 PS4 partitions as seen in Windows Vista/2008/7/8/10] and 64-bit version of Windows XP/2003]]</div>
{| class="wikitable sortable"
{| class="wikitable sortable"
|-
|-
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|}
|}


'''Note:''' A raw dump of a 500 GB HDD from a never booted PS4 would take 500 GB ({{nts|500107861504}} bytes), which can be compressed to around 1.17 GB ({{nts|1168407328}} bytes) using the 7z algorithm. See [[ST500LM012]].
'''Note:''' A raw dump of a HDD from a never booted PS4 would take 500,1 GiB ({{nts|500107861504}} bytes), which would 7z compress nicely to around 1,2 GB ({{nts|1168407328}} bytes)


=== Cygwin Disk Information ===
=== Cygwin Disk Information ===
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|}
|}


=== PS4 HDD partitions statistics logs ===
=== PS4 HDD partitions check logs ===


From SceShellCore logs of a 5.05 PS4 TestKit DUH-T1200 when suspending, with stock 500GB HDD and USB Extended Storage:
From logs of a 5.05 PS4 testkit CUH-12xx when suspending, with stock 500GB HDD:
<pre>
<pre>
[SceShellCore][StorageStatsReport] HDD partition [WRITE] :
[SceShellCore][StorageStatsReport] HDD partition [WRITE] :
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</pre>
</pre>


From SceShellCore logs of a 5.05 PS4 TestKit DUH-T1200 when suspending, after swapping HDD to a 512GB SSD, reinstalling firmware and reinitializing.
From logs of a 5.05 PS4 testkit CUH-12xx when suspending, after swapping HDD to a 512GB SSD, reinstalling firmware and reinitializing.
<pre>
<pre>
[SceShellCore][StorageStatsReport] HDD partition [WRITE] :
[SceShellCore][StorageStatsReport] HDD partition [WRITE] :
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</pre>
</pre>


* These displayed sizes are the written sizes since the last time the storage statistics were reset.
* These displayed sizes are the written sizes.
* Storage statistics are apparently reset during a System Software update.
* (b) stands for "backup" which is an inactive partition used when firmware update fails.
* Storage statistics are maybe stored in a file on the internal HDD.
* (b) stands for "backup" which is an inactive partition used when System Software update fails.


== Mountpoints ==
== Mountpoints ==
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| SceSysCore || nmount || /data || /user/data
| SceSysCore || nmount || /data || /user/data
|-
|-
| || ?nmount_ufs? || /dev/es0.crypt || ?/ext_hdd?
|   ||   || /dev/da1s1 || /mnt/usb0
|-
|  || ?nmount? || /dev/da1s1 || /mnt/usb0
|}
|}


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