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List:       hpux-admin
Subject:    [HPADM] Vgchange:Cross-device link error
From:       Raj Mannar <rajmannar () ureach ! com>
Date:       2000-07-31 21:19:01
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Hi,

   I am facing problems in activating a volume group which
was previously working fine.  The power to this system
went down during the weekend due to a power failure .
After that, the system rebooted fine and mounted all the
filesystems which were on the internal disks. But the 
volumegroup (vg01) corresponding to a Raid Array 12H is
not coming up. 

 First, i tried Vgdisplay /dev/vg01

root@:/>vgdisplay -v /dev/vg01
vgdisplay: Volume group not activated.
vgdisplay: Cannot display volume group "/dev/vg01"


Then, i tried activating the Volume group:

*******
root:>vgchange -a y /dev/vg01     
vgchange: Warning: Couldn't attach to the volume group physical 
volume "/dev/dsk /c4t1d0":
Cross-device link
vgchange: Warning: Couldn't attach to the volume group physical 
volume "/dev/dsk /c4t1d1":
Cross-device link
vgchange: Warning: Couldn't attach to the volume group physical 
volume "/dev/dsk /c4t1d2":
Cross-device link
vgchange: Warning: couldn't query 
physicalvolume "/dev/dsk/c4t1d0":
The specified path does not correspond to physical volume 
attached to this volume group
vgchange: Warning: couldn't query physical 
volume "/dev/dsk/c4t1d1":
The specified path does not correspond to physical volume 
attached to  this volume group
vgchange: Warning: couldn't query physical 
volume "/dev/dsk/c4t1d2":
The specified path does not correspond to physical volume 
attached to  this volume group
vgchange: Warning: couldn't query all of the physical volumes.
vgchange: Couldn't activate volume group "/dev/vg01":
Quorum not present, or some physical volume(s) are missing.
********


Ioscan on the system points that all the disks mentioned above
are active and fine:
root@is007065:/>ioscan -nfC disk 

Class     I  H/W Path     Driver S/W State   H/W Type     
Description
================================================================
=====
disk      0  0/0/1/1.2.0  sdisk CLAIMED     DEVICE       
IBM     DMVS18D
                         /dev/dsk/c1t2d0   /dev/rdsk/c1t2d0
disk      1  0/0/2/0.2.0  sdisk CLAIMED     DEVICE       
IBM     DMVS18D
                         /dev/dsk/c2t2d0   /dev/rdsk/c2t2d0
disk      2  0/0/2/1.2.0  sdisk CLAIMED     DEVICE       
HP      DVD-ROM 304
                         /dev/dsk/c3t2d0   /dev/rdsk/c3t2d0
disk      3  0/4/0/0.1.0  sdisk CLAIMED     DEVICE       
HP      C5447A
                         /dev/dsk/c4t1d0   /dev/rdsk/c4t1d0
disk      4  0/4/0/0.1.1  sdisk CLAIMED     DEVICE       
HP      C5447A
                         /dev/dsk/c4t1d1   /dev/rdsk/c4t1d1
disk      5  0/4/0/0.1.2  sdisk CLAIMED     DEVICE       
HP      C5447A
                         /dev/dsk/c4t1d2   /dev/rdsk/c4t1d2
disk      6  0/4/0/0.1.3  sdisk CLAIMED     DEVICE       
HP      C5447A
                         /dev/dsk/c4t1d3   /dev/rdsk/c4t1d3
disk      7  0/4/0/0.1.4  sdisk CLAIMED     DEVICE       
HP      C5447A
                         /dev/dsk/c4t1d4   /dev/rdsk/c4t1d4
disk      8  0/4/0/0.1.5  sdisk CLAIMED     DEVICE       
HP      C5447A
                         /dev/dsk/c4t1d5   /dev/rdsk/c4t1d5

***********

  Strings on /etc/lvmtab shows:

root:> strings /etc/lvmtab
/dev/vg00
                 
/dev/dsk/c2t2d0
/dev/dsk/c1t2d0

/dev/vg01
              
/dev/dsk/c4t1d0
/dev/dsk/c4t1d1
/dev/dsk/c4t1d2
/dev/dsk/c4t1d3
/dev/dsk/c4t1d4
/dev/dsk/c4t1d5


***************

    ANy clues on what the source of the problem could be?

thanks and will summarize
raj
    


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