Re: [gentoo-user] Re: Finally got a SSD drive to put my OS on

[Dale <rdalek1967@gmail.com>]

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Mark Knecht wrote:
>
>
> On Wed, Apr 19, 2023 at 10:59 AM Dale <rdalek1967@gmail.com
> <mailto:rdalek1967@gmail.com>> wrote:
> >
> > Peter Humphrey wrote:
> > > On Wednesday, 19 April 2023 09:00:33 BST Nikos Chantziaras wrote:
> > >
> > >> With my HDD:
> > >>
> > >>    # smartctl -x /dev/sda | grep -i 'sector size'
> > >>    Sector Sizes:     512 bytes logical, 4096 bytes physical
> > > Or, with an NVMe drive:
> > >
> > > # smartctl -x /dev/nvme1n1 | grep -A2 'Supported LBA Sizes'
> > > Supported LBA Sizes (NSID 0x1)
> > > Id Fmt  Data  Metadt  Rel_Perf
> > >  0 +     512       0         0
> > >
> > > :)
> > >
> >
> > When I run that command, sdd is my SDD drive, ironic I know.  Anyway, it
> > doesn't show block sizes.  It returns nothing.
> >
> > root@fireball / # smartctl -x /dev/sdd  | grep -A2 'Supported LBA Sizes'
> > root@fireball / #
>
> Note that all of these technologies, HDD, SDD, M.2, report different
> things
> and don't always report them the same way. This is an SDD in my 
> Plex backup server:
>
> mark@science:~$ sudo smartctl -x /dev/sdb
> [sudo] password for mark:  
> smartctl 7.2 2020-12-30 r5155 [x86_64-linux-5.15.0-69-generic] (local
> build)
> Copyright (C) 2002-20, Bruce Allen, Christian Franke,
> www.smartmontools.org <http://www.smartmontools.org>
>
> === START OF INFORMATION SECTION ===
> Model Family:     Crucial/Micron Client SSDs
> Device Model:     CT250MX500SSD1
> Serial Number:    1905E1E79C72
> LU WWN Device Id: 5 00a075 1e1e79c72
> Firmware Version: M3CR023
> User Capacity:    250,059,350,016 bytes [250 GB]
> Sector Sizes:     512 bytes logical, 4096 bytes physical
>
> In my case the physical block is 4096 bytes but 
> addressable in 512 byte blocks. It appears that
> yours is 512 byte physical blocks.
>
> [QUOTE]
> === START OF INFORMATION SECTION ===
> Model Family:     Samsung based SSDs
> Device Model:     Samsung SSD 870 EVO 500GB
> Serial Number:    S6PWNXXXXXXXXXXX
> LU WWN Device Id: 5 002538 XXXXXXXXXX
> Firmware Version: SVT01B6Q
> User Capacity:    500,107,862,016 bytes [500 GB]
> Sector Size:      512 bytes logical/physica
> [QUOTE]


So for future reference, let it format with the default?  I'm also
curious if when it creates the file system it will notice this and
adjust automatically. It might.  Maybe?

Dale

:-)  :-) 

P. S. Dang squirrels got in my greenhouse and dug up my seedlings. 
Squirrel hunting is next on my agenda.  :-@

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