Re: [gentoo-user] sg_map etc

[Bill Kenworthy]

On 02/03/17 18:03, Stefan G. Weichinger wrote:
> Am 2017-03-01 um 23:21 schrieb Bill Kenworthy:
>
>> Is there actually a disk on that interface? - I have a system where one
>> sdx allocated to an unused sata port with nothing attached - it returns
>> similar information to yours above - check the other entries.
>
> I checked them, sure.
> to me it seems that there are 2 sg-devices created per port or so.
>
> One as ICP-device: does not tell me serials or so, but has an sd-device
> mapped to it according to sg_map
>
> # smartctl -d auto -i /dev/sg2
> smartctl 6.4 2015-06-04 r4109 [x86_64-linux-3.18.11-gentoo-smp] (local
> build)
> Copyright (C) 2002-15, Bruce Allen, Christian Franke, www.smartmontools.org
>
> === START OF INFORMATION SECTION ===
> Vendor:               ICP
> Product:              SAS1
> Revision:             V1.0
> User Capacity:        73,284,976,640 bytes [73.2 GB]
> Logical block size:   512 bytes
> scsiModePageOffset: response length too short, resp_len=4 offset=4 bd_len=0
> scsiModePageOffset: response length too short, resp_len=4 offset=4 bd_len=0
>>> Terminate command early due to bad response to IEC mode page
> A mandatory SMART command failed: exiting. To continue, add one or more
> '-T permissive' options.
>
> ---
>
> and the higher ones tell me stuff via smartctl, but I don't know exactly
> which sd-device they are mapped to:
>
>
> # smartctl -d auto -i /dev/sg11
> smartctl 6.4 2015-06-04 r4109 [x86_64-linux-3.18.11-gentoo-smp] (local
> build)
> Copyright (C) 2002-15, Bruce Allen, Christian Franke, www.smartmontools.org
>
> === START OF INFORMATION SECTION ===
> Vendor:               SEAGATE
> Product:              ST373455SS
> Revision:             0002
> User Capacity:        73,407,868,928 bytes [73.4 GB]
> Logical block size:   512 bytes
> Rotation Rate:        15015 rpm
> Logical Unit id:      0x5000c50002448407
> Serial number:        3LQ11JWH00009748U10J
> Device type:          disk
> Transport protocol:   SAS (SPL-3)
> Local Time is:        Thu Mar  2 11:06:33 2017 CET
> SMART support is:     Available - device has SMART capability.
> SMART support is:     Enabled
> Temperature Warning:  Enabled
>
> ---
>
>
> btw: the serial in this query is a valid one.
> This is what I am looking for.
>
>

try lshw to get that info:

*-scsi:0
          physical id: 1
          logical name: scsi0
          capabilities: emulated
        *-disk
             description: ATA Disk
             product: INTEL SSDSC2CW12
             physical id: 0.0.0
             bus info: scsi@0:0.0.0
             logical name: /dev/sda
             version: 400i
             serial: CVCV247001A3120BGN
             size: 111GiB (120GB)
             capabilities: partitioned partitioned:dos
             configuration: ansiversion=5 sectorsize=512 signature=11afac57
           *-volume:0
                description: Linux filesystem partition
                vendor: Linux
                physical id: 1
                bus info: scsi@0:0.0.0,1
                logical name: /dev/sda1
                version: 1.0
                serial: 8ad3b35a-8ecf-4b8b-8098-c3c9518a3307
                size: 128MiB
                capacity: 128MiB
                capabilities: primary extended_attributes ext2 initialized
                configuration: filesystem=ext2 modified=2017-03-02
19:49:54 state=clean
           *-volume:1
                description: Linux swap volume
                physical id: 2
                bus info: scsi@0:0.0.0,2
                logical name: /dev/sda2
                version: 1
                serial: 9d440711-04e3-46f4-9ec5-0495daed6896
                size: 23GiB
                capacity: 23GiB
                capabilities: primary nofs swap initialized
                configuration: filesystem=swap pagesize=4096
           *-volume:2
                description: EXT4 volume
                vendor: Linux
                physical id: 3
                bus info: scsi@0:0.0.0,3
                logical name: /dev/sda3
                logical name: /
                version: 1.0
                serial: bc719d32-cecc-47f1-9826-a8b12827ee3b
                size: 87GiB
                capacity: 87GiB
                capabilities: primary journaled extended_attributes
large_files huge_files dir_nlink recover extents ext4 ext2 initialized
                configuration: created=2013-07-02 06:41:32
filesystem=ext4 lastmountpoint=/ modified=2016-12-09 21:09:25
mount.fstype=ext4 mount.options=rw,noatime,discard,data=ordered
mounted=2017-02-11 11:17:20 state=mounted