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List: gentoo-user
Subject: Re: [gentoo-user] Re: Finally got a SSD drive to put my OS on
From: Mark Knecht <markknecht () gmail ! com>
Date: 2023-04-19 18:13:42
Message-ID: CAK2H+eeaEt6+mqCP0Kgm1i6ZGcssDWYQ-Ace-f-J6vfcAnYa1w () mail ! gmail ! com
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On Wed, Apr 19, 2023 at 10:59 AM Dale <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
=== 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]
[Attachment #3 (text/html)]
<div dir="ltr"><br><br>On Wed, Apr 19, 2023 at 10:59 AM Dale <<a \
href="mailto:rdalek1967@gmail.com">rdalek1967@gmail.com</a>> \
wrote:<br>><br>> Peter Humphrey wrote:<br>> > On Wednesday, 19 April 2023 \
09:00:33 BST Nikos Chantziaras wrote:<br>> ><br>> >> With my \
HDD:<br>> >><br>> >> # smartctl -x /dev/sda | grep -i \
'sector size'<br>> >> Sector Sizes: 512 bytes logical, \
4096 bytes physical<br>> > Or, with an NVMe drive:<br>> ><br>> > # \
smartctl -x /dev/nvme1n1 | grep -A2 'Supported LBA Sizes'<br>> > \
Supported LBA Sizes (NSID 0x1)<br>> > Id Fmt Data Metadt Rel_Perf<br>> \
> 0 + 512 0 0<br>> ><br>> > :)<br>> \
><br>><br>> When I run that command, sdd is my SDD drive, ironic I know. \
Anyway, it<br>> doesn't show block sizes. It returns \
nothing.<br>><br>> root@fireball / # smartctl -x /dev/sdd | grep -A2 \
'Supported LBA Sizes'<br>> root@fireball / #<div><br></div><div>Note that \
all of these technologies, HDD, SDD, M.2, report different things</div><div>and \
don't always report them the same way. This is an SDD in my </div><div>Plex \
backup server:<br><br>mark@science:~$ sudo smartctl -x /dev/sdb<br>[sudo] password \
for mark: <br>smartctl 7.2 2020-12-30 r5155 [x86_64-linux-5.15.0-69-generic] (local \
build)<br>Copyright (C) 2002-20, Bruce Allen, Christian Franke, <a \
href="http://www.smartmontools.org">www.smartmontools.org</a><br><br>=== START OF \
INFORMATION SECTION ===<br>Model Family: Crucial/Micron Client SSDs<br>Device \
Model: CT250MX500SSD1<br>Serial Number: 1905E1E79C72<br>LU WWN Device Id: \
5 00a075 1e1e79c72<br>Firmware Version: M3CR023<br>User Capacity: \
250,059,350,016 bytes [250 GB]<br>Sector Sizes: 512 bytes logical, 4096 bytes \
physical<br></div><div><br></div><div>In my case the physical block is 4096 bytes but \
</div><div>addressable in 512 byte blocks. It appears that</div><div>yours is 512 \
byte physical blocks.</div><div><br></div><div>[QUOTE]</div><div>=== START OF \
INFORMATION SECTION ===<br>Model Family: Samsung based SSDs<br>Device Model: \
Samsung SSD 870 EVO 500GB<br>Serial Number: S6PWNXXXXXXXXXXX<br>LU WWN Device \
Id: 5 002538 XXXXXXXXXX<br>Firmware Version: SVT01B6Q<br>User Capacity: \
500,107,862,016 bytes [500 GB]<br>Sector Size: 512 bytes \
logical/physica<br></div><div>[QUOTE]</div></div>
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