Active 3 years, 7 months ago. Currently, I'm using fdisk -cu starting at sector Few if any manufacturers report them in the datasheets. Question feed. With this concept, it is most common to align on 1MB boundary, so it won't matter if the block size is 4 or 16kb; all of these will be mulitplys of 2 and below 1M so aligning on that boundary will fit them all. Short of using Google to search for someone else who has done the research, you can try to estimate it yourself using FlashBench. Active 2 months ago. Featured on Meta.
There is no standard way for a SSD to report its page size or erase block size. Few if any manufacturers report them in the datasheets. (You should have done some writes to the SSD already, because reading The educated guess here is that 4 MB is the erase block size, also. This is surprising, because it's useful for many things other than just SSD's. This kind of alignment is important if you are using any kind of.
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Old hardware and Operating Systems used byte sectors, since almost all storage hardware has or larger byte sectors; but some hardware supports emulation of byte sectors for legacy systems. However, the stat -f command on both disks reports:. I don't know what "stat 4K " is. Similarly, both 16 KB and 8 KB boundaries are special.
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Video: Samsung evo erase block size in unix The LINUX File System, Boot Block, Super Block, Inode Table - UNIX/LINUX Tutorials for beginners
And it's generally beneficial to align. Does anyone have a reliable source on what alignment is needed for this SSD? On Phoronix, I read that Samsung's TLC drives use KB. I just purchased two Corsair P SSD for use with my Laptop and Desktop with Ubuntu Lucid Lynx I understand for the drive to be set.
However, applying this concept depends on what you are aligning; loosing 1MB at the start of a mass storage device is totally acceptable while loosing that many times in a different scenario might not be.
partitioning How to determine SSD's Nand erase block size Super User
This is a default Ubuntu I got the same results as you got by running stat -f and smartctl on two SSDs.
Partition & format your disk aligning the partition blocksize to the SSD erase block size, with the above information (1 partition, no swap.
What is "physical" sector size here?
Asked 2 years, 7 months ago. This question is probably the same as this one for USB flash -- the answer is missing the point there, man fsstat says fsstat displays the details associated with a file system and the question is about the disk itself.
According to Wikipedia "Advanced Format AF is any disk sector format used to store data in disk drives that exceeds, or bytes per sector, such as the byte sectors of an Advanced Format Drive AFD. And "logical" is the sector size for the partition?