I just checked my system, and it looks like it's set for 512k blocks:
[root@case ~]# blockdev --report /dev/nvme1n1p4
RO RA SSZ BSZ StartSec Size Device
rw 256 512 512 69216256 964765417472 /dev/nvme1n1p4
I assume the installer chose the block size, since I basically did a
"next, next, next" installation. Should I have chosen something different?
Thomas
On 1/10/24 11:31, John Mellor wrote:
Almost all NVMe drives use 4k sectors. Its actually hard on the drive
to use 512 byte sectors, as when you write a block and sync it, it has
to read and then rewrite the rest of the 4k block. That's unnecessary
writes, shortening your drive life. Most Linux platforms will read the
natural sector size from the drive when you format it, so using 512 byte
sectors is pretty rare these days, unless you forced it of course.
On 2024-01-10 4:58 a.m., lejeczek via users wrote:
Hi guys.
I wonder if anybody played with both sector sizes 512 & 4086 and if
yes so - also had some test results / thoughts to share?
There are bits about it - bit confusing & a mixed-bag - over the net
but I failed to find anything Fedora-specific.
thanks, L.
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