On Thu, Mar 30, 2017 at 04:04:51AM -0400, Jiri B wrote:
> Hi,
>
> how to query scsi id or wwn for a scsi disk in OpenBSD? I'd like to get this
> info and extend installer to provide more info about disks (because currently
> it's imposible to distinguish between scsi disks if they are same size and
> originate from same iscsi target and passed to OpenBSD via qemu-kvm).
>
> Currently OpenBSD does show for such SCSI disk something like (taken from
> disklabel):
>
> ...
> Which disk is the root disk? ('?' for details) [sd0] ?
> sd0: Celerra (20.0G)
> ^^^^^^^ ^^^^^
>
> # scsi -f /dev/rsd0c -c "12 0 0 0 64 0" -i 0x64 "s8 z8 z16 z4"
> EMC Celerra 0002
>
> So what's OpenBSD equivalent scsi query for Linux commands?
>
> # lsscsi -iws | tail -n1
> [6:0:0:10] disk 0x6006048c8f0ff1a5c7ef85c8d1c95 /dev/sdd
> 36006048c8f0ff1a5c7ef85c8d1c95481 16.1GB
>
> # /usr/lib/udev/scsi_id -xg /dev/sdd
> ID_SCSI=1
> ID_VENDOR=EMC
> ID_VENDOR_ENC=EMC\x20\x20\x20\x20\x20
> ID_MODEL=Celerra
> ID_MODEL_ENC=Celerra\x20\x20\x20\x20\x20\x20\x20\x20\x20
> ID_REVISION=0002
> ID_TYPE=disk
> ID_SERIAL=36006048c8f0ff1a5c7ef85c8d1c95481
> ID_SERIAL_SHORT=6006048c8f0ff1a5c7ef85c8d1c95481
> ID_WWN=0x6006048c8f0ff1a5
> ID_WWN_VENDOR_EXTENSION=0xc7ef85c8d1c95481
> ID_WWN_WITH_EXTENSION=0x6006048c8f0ff1a5c7ef85c8d1c95481
> ID_SCSI_SERIAL=EMC-Celerra-iSCSI-VLU-fs179_T5_LUN10_CKM00120100230
>
> Thank you for help, it would help me playing with iscsi luns on OpenBSD.
>
> j.
Infos about disks are printed to the console as soon as a disk is
attached. So you can use dmesg and grep for scsi to get the info you
want:
$ dmesg | grep scsi
scsibus0 at mpath0: 256 targets
scsibus1 at ahci0: 32 targets
sd0 at scsibus1 targ 0 lun 0: <ATA, KingFast, KFS1> SCSI3 0/direct fixed
naa.0000000000000000
vscsi0 at root
scsibus2 at vscsi0: 256 targets
scsibus3 at softraid0: 256 targets
sd1 at scsibus2 targ 0 lun 0: <SYNOLOGY, iSCSI Storage, 3.1> SCSI3
0/direct fixed naa.6001405635870b3d9e95d40c9d9221d1
sd2 at scsibus2 targ 0 lun 1: <SYNOLOGY, iSCSI Storage, 3.1> SCSI3
0/direct fixed naa.6001405dcc70b1dd909ed44f8db0d6d6
Cheers,
Bruno
