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partitioning - What is the difference between LBA and non-LBA IDs . . . Modern OSes are usually able to determine on their own how a drive is supposed to be addressed Even back when LBA addressing was young, and disks were accessed via the BIOS, it should have been possible to simply probe for the availability of the appropriate interrupt 13h calls and fall back to the CHS version if they are absent The additional partition IDs therefore seem redundant What was
hard drive - CHS to LBA mapping - (Disk Storage) - Super User Before LBA you simply had the physical mapping of a disk, which originally disk access with the BIOS on an old a IBM-PC compatible machine would look something like this the following: Cylinder Num
Hard drive LBA Error: How to proceed? - Super User LBA is an acronym for Logical Block Addressing In this case I assume it is just another, possibly more technically accurate way of referring to a "bad sector"
hard drive - LBA and sector size - Super User 7 LBA itself can apply to any sector size, but hard drive sector sizes have been 512 bytes since the start of the PC, and all hardware and software has been hard-coded with that assumption So rather than wait for new systems and operating systems to support 4K sectors, the drive will appear externally as a 512-byte sector drive
smart - How to interpret this LBA number? - Super User 0 How to interpret this LBA number? The authoritative source is the ATA ATAPI Specification, which is the basic command set used by SATA devices According to Section 3 1 37 LBA (Logical Block Address), an LBA is the 'value used to reference a logical sector'
How to get the PBA for a given LBA in SSD - Super User But SSDs have FTL that stores the LBA-PBA mapping table (L2P table) I have to know this table to know the PBA How to make this? Why I am asking From the result shown with sudo hdparm --fibmap, it seems that the file is stored serially in the disk (i e , from LBA 843338528 to 843338543) But does it shows the truth?
drivers - Does LBA size map to the physical or logical sector size on . . . Logical Note LBA stands for Logical Block Addressing This corresponds nicely in this case, but until you know the technical details you cannot be sure if usage of the same word is not misleading If physical and logical sector sizes are equal, there is no question You work with a device using its "sector size" The terms "logical sector size" and "physical sector size" might not exist
What do the numbers on Western Digital drives mean? There are numerous numbers on a Western Digital drive, MDL (presumably model, ex WD5000BEKT-00KA9T0) -- not sure what the 99KA9T0 is WWN (ex 50014EE25AC8C945) DCM (ex HBNTJBBB) LBA (ex 976773168)