That works, thanks.



From:   Raymond Higgs/Poughkeepsie/IBM@IBMUS
To:     LINUX-390@vm.marist.edu,
Date:   10/09/2012 07:56 PM
Subject:        Re: SCSI/FCP disk size
Sent by:        Linux on 390 Port <LINUX-390@vm.marist.edu>



It is in /var/log/messages:

Oct  9 19:43:21 4e1d-laplace-48 kernel: [23044.656933] scsi
1:0:26:1082146832: Direct-Access     IBM      2107900          36.5 PQ: 0
ANSI: 5
Oct  9 19:43:21 4e1d-laplace-48 kernel: [23044.657047] sd
1:0:26:1082146832: Attached scsi generic sg21 type 0
Oct  9 19:43:21 4e1d-laplace-48 kernel: [23044.659692] sd
1:0:26:1082146832: [sdv] 4194304 512-byte logical blocks: (2.14 GB/2.00
GiB)
Oct  9 19:43:21 4e1d-laplace-48 kernel: [23044.660473] sd
1:0:26:1082146832: [sdv] Write Protect is off
Oct  9 19:43:21 4e1d-laplace-48 kernel: [23044.660839] sd
1:0:26:1082146832: [sdv] Write cache: enabled, read cache: enabled,
doesn't support DPO or FUA
Oct  9 19:43:21 4e1d-laplace-48 kernel: [23044.663606]  sdv: unknown
partition table
Oct  9 19:43:21 4e1d-laplace-48 kernel: [23044.665817] sd
1:0:26:1082146832: [sdv] Attached SCSI disk

Or send the SCSI read capacity command like this:

root@4e1d-laplace-48.1:sg_readcap /dev/sdv
Read Capacity results:
   Last logical block address=4194303 (0x3fffff), Number of blocks=4194304
   Logical block length=512 bytes
Hence:
   Device size: 2147483648 bytes, 2048.0 MiB, 2.15 GB

Regards,

Ray Higgs
System z FCP Firmware Development
Bld. 706, B42
2455 South Road
Poughkeepsie, NY 12601
(845) 435-8666,  T/L 295-8666
rayhi...@us.ibm.com

Linux on 390 Port <LINUX-390@vm.marist.edu> wrote on 10/09/2012 07:32:19
PM:

> From: Thang Pham/Poughkeepsie/IBM@IBMUS
> To: LINUX-390@vm.marist.edu
> Date: 10/09/2012 07:40 PM
> Subject: SCSI/FCP disk size
> Sent by: Linux on 390 Port <LINUX-390@vm.marist.edu>
>
> Hello List,
>
> Is there a way to find out the size of a native SCSI device attached via
> FCP channel?  I do not see lszfcp or lsscsi having an option that lets
you
> see the size of the disk you have attached to a VM.
>
> Thanks,
> Thang Pham
>
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