2.5.51 + fastT FC disk

2.5.51 + fastT FC disk

[Anton Blanchard]

Hi,

We tested 2.5.51 on a ppc64 box, qlogic 2312 and a fastt700 array. I
had CONFIG_SCSI_REPORT_LUNS and unfortunately it thought the management
LUN was a disk:

  Vendor: IBM       Model: Universal Xport   Rev: 0520
  Type:   Direct-Access                      ANSI SCSI revision: 03

...

SCSI device sdaj: drive cache: write through
SCSI device sdaj: 40960 512-byte hdwr sectors (21 MB)
 sdaj: unknown partition table
Attached scsi disk sdaj at scsi2, channel 0, id 0, lun 31

...

end_request: I/O error, dev sdaj, sector 0

Anton

Re: 2.5.51 + fastT FC disk

[Anton Blanchard]

On Fri, Dec 13, 2002 at 12:24:39AM +1100, Anton Blanchard wrote:

> We tested 2.5.51 on a ppc64 box, qlogic 2312 and a fastt700 array. I
> had CONFIG_SCSI_REPORT_LUNS and unfortunately it thought the management
> LUN was a disk:
> 
>   Vendor: IBM       Model: Universal Xport   Rev: 0520
>   Type:   Direct-Access                      ANSI SCSI revision: 03
> 
> ...
> 
> SCSI device sdaj: drive cache: write through
> SCSI device sdaj: 40960 512-byte hdwr sectors (21 MB)
>  sdaj: unknown partition table
> Attached scsi disk sdaj at scsi2, channel 0, id 0, lun 31
> 
> ...
> 
> end_request: I/O error, dev sdaj, sector 0

Three years later...

It looks like SGI use the same FC vendor and they already have a
workaround for this issue. The following patch adds the IBM version of
it.

Signed-off-by: Anton Blanchard <anton@samba.org>

Index: linux-2.6.git-work/drivers/scsi/scsi_devinfo.c
===================================================================
--- linux-2.6.git-work.orig/drivers/scsi/scsi_devinfo.c	2005-05-23 17:42:37.000000000 +1000
+++ linux-2.6.git-work/drivers/scsi/scsi_devinfo.c	2005-05-23 18:21:00.000000000 +1000
@@ -191,6 +191,7 @@
 	{"SGI", "RAID5", "*", BLIST_SPARSELUN},
 	{"SGI", "TP9100", "*", BLIST_REPORTLUN2},
 	{"SGI", "Universal Xport", "*", BLIST_NO_ULD_ATTACH},
+	{"IBM", "Universal Xport", "*", BLIST_NO_ULD_ATTACH},
 	{"SMSC", "USB 2 HS-CF", NULL, BLIST_SPARSELUN | BLIST_INQUIRY_36},
 	{"SONY", "CD-ROM CDU-8001", NULL, BLIST_BORKEN},
 	{"SONY", "TSL", NULL, BLIST_FORCELUN},		/* DDS3 & DDS4 autoloaders */