[Veritas-vx] Clean Up device Trees and path_to_inst

Tue Feb 25 08:40:05 CST 2003

   #Boot -arv

  {0} ok probe-scsi-all

  /pci at 88,4000/scsi at 2,1

  /pci at 88,4000/scsi at 2

  Target 1

    Unit 0   Disk     FUJITSU MAG3182LC       3709

  Target e

    Unit 0   Device type 9     FUJITSU FAULT LAMP BOARD

  /pci at 80,4000/scsi at 2

  Target 1

    Unit 0   Disk     FUJITSU MAJ3182MC       3702

  Target e

    Unit 0   Device type 9     FUJITSU FAULT LAMP BOARD

  {0} ok boot -arv

  Boot device: /pci at 80,4000/scsi at 2/disk at 1,0  File and args: -arv

  Enter filename [kernel/sparcv9/unix]:

  Size: 358864+104274+152610 Bytes

  Enter default directory for modules [/platform/FJSV,GPUSK/kernel
/platform/sun4u

  s/kernel /kernel /usr/kernel]:

  Name of system file [etc/system]:

  SunOS Release 5.8 Version Generic_108528-15 64-bit

  Ethernet address = 0:0:e:25:3:16

  The /etc/path_to_inst on your system does not exist or is empty.

  Do you want to rebuild this file [n]? y

  Using default device instance data

  root filesystem type [ufs]:

  Enter physical name of root device

  [/pci at 80,4000/scsi at 2/disk at 1,0:a]: /pseudo/vxio at 0:0

  WARNING: forceload of drv/scsi failed

  mem = 4194304K (0x100000000)

  avail mem = 3969310720

  root nexus = Fujitsu Siemens GP7000F 800 2-slot 3x SPARC64 III 330MHz

.........................................................................
.....

1º - cd /dev/dsk    ; rm *
2º - cd /dev/rdsk    ; rm *
3º - cd /dev/vx/dmp    ; rm *
4º - cd /dev/vx/rdmp    ; rm *
5º - cd /devices     ; rm -fr pci*
6º - cd /dev/cfg    ; rm *
7º - boot -r

Hope it helps

Rodolfo Casás Izquierdo
Dpto. de Integración y Soporte
FUJITSU ESPAÑA SA, SOCIEDAD UNIPERSONAL
Parque Empresarial Cerro de los Gamos
Camino Cerro de los Gamos, 1
28224, Pozuelo de Alarcón - Madrid (España)

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> -----Mensaje original-----
> De: Louis C. Watta [mailto:lwatta at cisco.com] 
> Enviado el: martes 25 de febrero de 2003 14:06
> Para: DAUBIGNE Sebastien - BOR ( SDaubigne at bordeaux-bersol.sema.slb.co
> CC: 'veritas-vx at mailman.eng.auburn.edu'
> Asunto: Re: [Veritas-vx] Clean Up device Trees and path_to_inst
> 
> 
> You need to explicitly tell the OS where the veritas disk is. 
> So when it 
> comes up and asks for bootdisk you need to give it the device that is 
> assigned in /etc/system. There's an infodoc #15069 on it in sunsolve. 
> Then you can boot -ar and rebuild your path_to_inst with 
> veritas installed.
> 
> infodoc -----
>     The workaround to this problem is as follows:
> 
> 1. From single user mode, edit the /etc/path_to_inst file.
>     Comment out the following line using the # sign.
> 
> 	#path_to_inst_bootstrap_1
> 
> 2. Look in the /etc/system file, searching for the line 
> labeled "rootdev:".
>     For example:
> 
> 	rootdev: /pseudo/vxio at 0:0
> 
>     Write down this line exactly.
> 
> 3. Now do a boot -arv again
> 
> 4. Answer 'yes', when it asks if you want to rebuild the 
> path_to_inst file.
> 
> 5. When asked for the physical root device, do not take the 
> default, but
>     instead, enter the device name you found above in step #2
>     (for example, /pseudo/vxio at 0:0).
> 
> 
> 
> 
> We usually do the following to clean out the dev tree.
> boot -s
> rm /dev/vx/rdmp/*
> rm /dev/vx/dmp/*
> Then selectively delete devices in /dev/rdsk and /dev/dsk 
> that we know 
> don't exist anymore. We've had issues with full out removing 
> /dev/rdsk/* move path_to_inst path_to_inst.old shutdown boot -ar
> 
> This is one area where Sun could really improve. We've run out of 
> devices on several hosts because of Sun's poor ability to 
> remove disks. 
> Looks like they are trying to with the boot -p option but 
> I've only ever 
> seen it remove things once.
> 
> louis
> 
> DAUBIGNE Sebastien - BOR ( 
> SDaubigne at bordeaux-bersol.sema.slb.com ) wrote:
> > Solaris 2.6 + VxVM 3.2
> > 
> > I'm looking for a safe method to clean up old references in the 
> > Solaris devices tree (/dev, /devices, /etc/path_to_inst). I 
> tried to 
> > empty /etc/path_to_inst, then "init 0 + boot -ar", to force 
> Solaris to 
> > rebuild the set, but VxVM complains not beeing able to access the 
> > rootvol, although I thought it would be transparent for 
> VxVM even if 
> > the rootdisk reference /dev/dsk/cxtydz changes after this process.
> > 
> > Though this is not essential, I'm fed up with old nodes in /dev, 
> > /devices and /etc/path_to_inst for devices which have been 
> removed for 
> > years (I guess useless devices scans could slow down the boot).
> > 
> > Please give advice.
> > 
> > ---
> > Sebastien DAUBIGNE
> > sdaubigne at bordeaux-bersol.sema.slb.com
> > <mailto:sdaubigne at bordeaux-bersol.sema.slb.com>  - 
> (+33)5.57.26.56.36
> > SchlumbergerSema - SGS/DWH/Pessac
> > _______________________________________________
> > Veritas-vx maillist  -  Veritas-vx at mailman.eng.auburn.edu
> > http://mailman.eng.auburn.edu/mailman/listinfo/veritas-vx
> > 
> > 
> 
> 
> -- 
> Louis Watta                            lwatta at cisco.com
> Cisco Systems
> 7025 Kit Creek Road
> Research Triangle Park, NC 27709       Ph: 919-392-3710
> 
> _______________________________________________
> Veritas-vx maillist  -  Veritas-vx at mailman.eng.auburn.edu 
> http://mailman.eng.auburn.edu/mailman/listinfo/v> eritas-vx
> 