How to detect if a disk is an SSD
mfv
mfv at bway.net
Fri Dec 2 20:30:20 UTC 2016
> On Fri, 2016-12-02 at 08:47 Stefano Garzarella
> <s.garzarella at evidence.eu.com> wrote:
>
>Hi Brandon, Alexandre and Matthias,
>thank you very much for your answers!
>
>I think that camcontrol is the tool that we need.
>
>Best Regards,
>Stefano
>
>2016-12-02 2:23 GMT+01:00 Brandon J. Wandersee
><brandon.wandersee at gmail.com> :
>
>>
>> Matthias Petermann writes:
>>
>> > Hello Stefano,
>> >
>> > one option might be to check the kernel log via
>> >
>> > % dmesg
>> >
>> > I would expect some entries like:
>> >
>> > ada4 at ata0 bus 0 scbus4 target 1 lun 0
>> > ada4: <SAMSUNG MZ7LM120HCFD-0E003 GXT3003Q> ACS-2 ATA SATA 3.x
>> > device ada4: Serial Number S2NRNXAGC00170D
>> > ada4: 150.000MB/s transfers (SATA, UDMA6, PIO 8192bytes)
>> > ada4: 114473MB (234441648 512 byte sectors)
>> > ada4: quirks=0x3<4K,NCQ_TRIM_BROKEN>
>> >
>> > which includes the model number / name. Feeding this into Google
>> > should
>> provide clarity if it is a SSD or not.
>>
>> camcontrol(8) can be used for more extensive information, as well:
>>
>> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> # camcontrol identify ada0
>> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>>
>> pass0: <Samsung SSD 840 EVO 250GB EXT0DB6Q> ACS-2 ATA SATA 3.x device
>> pass0: 600.000MB/s transfers (SATA 3.x, UDMA6, PIO 512bytes)
>>
>> protocol ATA/ATAPI-9 SATA 3.x
>> device model Samsung SSD 840 EVO 250GB
>> firmware revision EXT0DB6Q
>> serial number S1DBNSADB01138V
>> WWN 50025388a00b2df3
>> cylinders 16383
>> heads 16
>> sectors/track 63
>> sector size logical 512, physical 512, offset 0
>> LBA supported 268435455 sectors
>> LBA48 supported 488397168 sectors
>> PIO supported PIO4
>> DMA supported WDMA2 UDMA6
>> media RPM non-rotating
>>
>> Feature Support Enabled Value
>> Vendor read ahead yes yes
>> write cache yes yes
>> flush cache yes yes
>> overlap no
>> Tagged Command Queuing (TCQ) no no
>> Native Command Queuing (NCQ) yes 32 tags
>> NCQ Queue Management no
>> NCQ Streaming no
>> Receive & Send FPDMA Queued yes
>> SMART yes yes
>> microcode download yes yes
>> security yes yes
>> power management yes yes
>> advanced power management no no
>> automatic acoustic management no no
>> media status notification no no
>> power-up in Standby no no
>> write-read-verify yes no 0/0x0
>> unload no no
>> general purpose logging yes yes
>> free-fall no no
>> Data Set Management (DSM/TRIM) yes
>> DSM - max 512byte blocks yes 8
>> DSM - deterministic read no
>> Host Protected Area (HPA) yes no 488397168/488397168
>> HPA - Security no
>>
>> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>>
>> --
>> :: Brandon J. Wandersee
>> :: brandon.wandersee at gmail.com
>> :: --------------------------------------------------
>> :: 'The best design is as little design as possible.'
>> :: --- Dieter Rams ----------------------------------
>>
>
>
>
Hello,
Another source of detailed information about a drive and its status is
the port sysutils/smartmontools.
Cheers ...
Marek
More information about the freebsd-questions
mailing list