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soc:theory:disks:start [2026/06/11 08:22] – created titannetsoc:theory:disks:start [2026/06/11 08:31] (current) titannet
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 </code> </code>
 +
 +  * Firmware area
 +    * firmware code
 +  * UADA
 +    * Visible storage space for OS
 +  * HPA
 +    * Known by BIOS, recovery partition and diagnosis tools
 +  * DCO
 +    * Used by manufacturer for configuration 
 +  * HDD
 +    * No deletion, blocks(?) marked as deleted
 +
 +
 +  * SSD
 +    * Deleted on block level
 +    * Wear Leveling, TRIM, 
 +    * HPA/DCO can be enabled (?) [[https://www.thomas-krenn.com/en/wiki/SSD_Over-provisioning_using_hdparm]]
 +
 +
 +