Re: Lockdown adaX numbers to allow booting ?

From: Slawa Olhovchenkov <slw_at_zxy.spb.ru>
Date: Sat, 21 Sep 2019 00:06:45 +0300
On Fri, Sep 20, 2019 at 01:06:29PM -0400, Garrett Wollman wrote:

> In article <20190920155304.GN3953_at_zxy.spb.ru>, slw_at_zxy.spb.ru writes:
> 
> >Location of device in multi-chassis storage system is different story.
> >I am don't know how to field engineer insert disks in chassis.
> >For me simple is find in /var/run/dmesg.boot S/N <=> daXY mapping and
> >turn ON led by sas2ircu.
> 
> sesutil does this for you!
> 
> # sesutil locate daXY on
> # sesutil locate daXY off
> 
> So long as your enclosure supports SES (all the modern ones I've seen
> do) and is enumerable by ses(4).

In theory there is no difference between theory and practice. But, in
practice, there is.

# sesutil map
ses0:
        Enclosure Name: AHCI SGPIO Enclosure 
        Enclosure ID:                0
        Element 0, Type: Array Device Slot
                Status: Unsupported (0x00 0x00 0x00 0x00)
        Element 1, Type: Array Device Slot
                Status: Unknown (0x06 0x00 0x00 0x00)
                Description: SLOT 000
        Element 2, Type: Array Device Slot
                Status: Unknown (0x06 0x00 0x00 0x00)
                Description: SLOT 001
        Element 3, Type: Array Device Slot
                Status: Unknown (0x06 0x00 0x00 0x00)
                Description: SLOT 002
        Element 4, Type: Array Device Slot
                Status: Unknown (0x06 0x00 0x00 0x00)
                Description: SLOT 003
ses1:
        Enclosure Name: AHCI SGPIO Enclosure 
        Enclosure ID:                0
        Element 0, Type: Array Device Slot
                Status: Unsupported (0x00 0x00 0x00 0x00)
        Element 1, Type: Array Device Slot
                Status: Unknown (0x06 0x00 0x00 0x00)
                Description: SLOT 000
        Element 2, Type: Array Device Slot
                Status: Unknown (0x06 0x00 0x00 0x00)
                Description: SLOT 001
        Element 3, Type: Array Device Slot
                Status: Unknown (0x06 0x00 0x00 0x00)
                Description: SLOT 002
        Element 4, Type: Array Device Slot
                Status: Unknown (0x06 0x00 0x00 0x00)
                Description: SLOT 003
        Element 5, Type: Array Device Slot
                Status: Unknown (0x06 0x00 0x00 0x00)
                Description: SLOT 004
        Element 6, Type: Array Device Slot
                Status: Unknown (0x06 0x00 0x00 0x00)
                Description: SLOT 005

# sesutil locate ada0 on
sesutil: Count not find the SES id of device 'ada0'
# sesutil locate da0 on
sesutil: Count not find the SES id of device 'da0'
# sas2ircu 0 DISPLAY
LSI Corporation SAS2 IR Configuration Utility.
Version 20.00.00.00 (2014.09.18) 
Copyright (c) 2008-2014 LSI Corporation. All rights reserved. 

Read configuration has been initiated for controller 0
------------------------------------------------------------------------
Controller information
------------------------------------------------------------------------
  Controller type                         : SAS2308_1
  BIOS version                            : 7.39.02.00
  Firmware version                        : 20.00.07.00
  Channel description                     : 1 Serial Attached SCSI
  Initiator ID                            : 0
  Maximum physical devices                : 255
  Concurrent commands supported           : 8192
  Slot                                    : 1
  Segment                                 : 0
  Bus                                     : 1
  Device                                  : 0
  Function                                : 0
  RAID Support                            : No
------------------------------------------------------------------------
IR Volume information
------------------------------------------------------------------------
------------------------------------------------------------------------
Physical device information
------------------------------------------------------------------------
Initiator at ID #0

Device is a Hard disk
  Enclosure #                             : 1
  Slot #                                  : 0
  SAS Address                             : 4433221-1-0300-0000
  State                                   : Ready (RDY)
  Size (in MB)/(in sectors)               : 7630885/15628053167
  Manufacturer                            : ATA     
  Model Number                            : TOSHIBA HDWN180 
  Firmware Revision                       : GX2M
  Serial No                               : 79HSK0PHFAVG
  GUID                                    : N/A
  Protocol                                : SATA
  Drive Type                              : SATA_HDD

Device is a Hard disk
  Enclosure #                             : 1
  Slot #                                  : 1
  SAS Address                             : 4433221-1-0200-0000
  State                                   : Ready (RDY)
  Size (in MB)/(in sectors)               : 7630885/15628053167
  Manufacturer                            : ATA     
  Model Number                            : TOSHIBA HDWN180 
  Firmware Revision                       : GX2M
  Serial No                               : 79CVK0OEFAVG
  GUID                                    : N/A
  Protocol                                : SATA
  Drive Type                              : SATA_HDD

....
Received on Fri Sep 20 2019 - 19:06:49 UTC

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