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List:       hpux-admin
Subject:    [HPADM] setting up alternate link
From:       Tom Stoddard <tom.stoddard () L-3com ! com>
Date:       2005-07-19 13:55:47
Message-ID: 42DD0663.4000702 () l-3com ! com
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I have a K370 running 10.20 (don't ask, it's a long story as to why) 
that I would like to enable alternate links to a model 30 disk array. I 
have spent days googling for how to do this. The best I can come up with is:

vgextend /dev/vgeven /dev/dsk/c4t3d0     and
vgextend /dev/vgodd /dev/dsk/c4t3d1

Is this correct? How do you back out a change if you make a mistake?

My system config is below:

sdisk card instance 4 SCSI target 3 SCSI LUN 0 section 0 at address 
8/12.8.0.255.0.3.0 c4t3d0
sdisk card instance 4 SCSI target 3 SCSI LUN 1 section 0 at address 
8/12.8.0.255.0.3.1 c4t3d1
sdisk card instance 5 SCSI target 2 SCSI LUN 0 section 0 at address 
8/8.8.0.255.0.2.0 c5t2d0
sdisk card instance 5 SCSI target 2 SCSI LUN 1 section 0 at address 
8/8.8.0.255.0.2.1 c5t2d1

VG Name                     /dev/vgeven
VG Write Access             read/write
VG Status                   available
Max LV                      255
Cur LV                      1
Open LV                     1
Max PV                      16
Cur PV                      1
Act PV                      1
Max PE per PV               21261
VGDA                        2
PE Size (Mbytes)            4
Total PE                    21256
Alloc PE                    21256
Free PE                     0
Total PVG                   0

    --- Logical volumes ---
    LV Name                     /dev/vgeven/lveven
    LV Status                   available/syncd
    LV Size (Mbytes)            85024
    Current LE                  21256
    Allocated PE                21256
    Used PV                     1


    --- Physical volumes ---
    PV Name                     /dev/dsk/c5t2d0
    PV Status                   available
    Total PE                    21256
    Free PE                     0


VG Name                     /dev/vgodd
VG Write Access             read/write
VG Status                   available
Max LV                      255
Cur LV                      1
Open LV                     1
Max PV                      16
Cur PV                      1
Act PV                      1
Max PE per PV               21261
VGDA                        2
PE Size (Mbytes)            4
Total PE                    21256
Alloc PE                    21256
Free PE                     0
Total PVG                   0

    --- Logical volumes ---
    LV Name                     /dev/vgodd/lvodd
    LV Status                   available/syncd
    LV Size (Mbytes)            85024
    Current LE                  21256
    Allocated PE                21256
    Used PV                     1


    --- Physical volumes ---
    PV Name                     /dev/dsk/c5t2d1
    PV Status                   available
    Total PE                    21256
    Free PE                     0



-- 

tom.stoddard@L-3com.com
Thomas Stoddard
L-3 Communications Avionics Systems
5353 52nd Street
Grand Rapids, MI 49512
616 285-4331

Backup? What Backup?

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