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тАО03-21-2007 11:43 PM
тАО03-21-2007 11:43 PM
Re: Re install MSA30
OK, now we know all 5 external disks are used by the volume group /dev/vgprd.
Do you know how the disks are mirrored?
This is the plan:
- reconfigure 1 HBA(#2) to initiator ID 6
(using mptutil)
- connect each bus with 2 cables to your host (better to shut the host down for this)
e.g.
HBA1 connector1 -> A1 : A2 HBA2 connector1
HBA1 connector2 -> B1 : B2 HBA2 connector2
- now you have 2 device files for each disk
- remove the LVM mirror for each LVOL in this VG
- remove the device files for the (empty) disks to be re-located
- re-locate the (empty) disks to the other bus
- create device files
- include the disks to the VG
-include the alternate pathes to the VG
- mirror the lvols
After this, the "vgdisplay -v" would look very similar to this:
--- Physical volumes ---
PV Name /dev/dsk/c2t0d7s2
PV Name /dev/dsk/c4t0d7s2 Alternate Link
PV Status available
Total PE 44940
Free PE 4
Autoswitch On
PV Name /dev/dsk/c8t0d7s2
PV Name /dev/dsk/c6t0d7s2 Alternate Link
PV Status available
Total PE 44940
Free PE 4
Autoswitch On
Hope this helps!
Regards
Torsten.
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тАО03-22-2007 12:47 AM
тАО03-22-2007 12:47 AM
Re: Re install MSA30
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тАО03-27-2007 12:57 AM
тАО03-27-2007 12:57 AM
Re: Re install MSA30
I have problem with my proveer and I need do this only I.
Can you send my the sentence and command for to do the change on server, Pls excuseme my english, this is poor.
This is the action plan that you send me.
- reconfigure 1 HBA(#2) to initiator ID 6
(using mptutil)
- connect each bus with 2 cables to your host (better to shut the host down for this)
e.g.
HBA1 connector1 -> A1 : A2 HBA2 connector1
HBA1 connector2 -> B1 : B2 HBA2 connector2
- now you have 2 device files for each disk
- remove the LVM mirror for each LVOL in this VG
- remove the device files for the (empty) disks to be re-located
- re-locate the (empty) disks to the other bus
- create device files
- include the disks to the VG
-include the alternate pathes to the VG
- mirror the lvols
Thanks very much, for all.
Fabian
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тАО03-29-2007 04:45 AM
тАО03-29-2007 04:45 AM
Re: Re install MSA30
At last, our provider help us on this, following in some way your suggested plan.
Could you please give us some thoughs about this outputs?
(ioscan -fn and vgdisplay -f)
We can't find the "alternate paths"
Thanks in advance!
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тАО03-29-2007 05:26 AM
тАО03-29-2007 05:26 AM
Re: Re install MSA30
You can either tell more about the current cable connections or run a vgscan in preview mode (vgscan -p ... see man vgscan) to get more information.
Hope this helps!
Regards
Torsten.
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тАО03-29-2007 06:31 AM
тАО03-29-2007 06:31 AM
Re: Re install MSA30
vgscan -p output is:
vgscan: Couldn't access the list of physical volumes for volume group "/dev/vg0.
vgscan: The physical volume "/dev/dsk/c2t0d0" is already recorded in the "/etc/.
vgscan: The physical volume "/dev/dsk/c2t1d0" is already recorded in the "/etc/.
vgscan: The physical volume "/dev/dsk/c3t2d0" is already recorded in the "/etc/.
vgscan: The physical volume "/dev/dsk/c7t3d0" is already recorded in the "/etc/.
vgscan: The physical volume "/dev/dsk/c7t4d0" is already recorded in the "/etc/.
vgscan: The physical volume "/dev/dsk/c4t0d0" is already recorded in the "/etc/.
vgscan: The physical volume "/dev/dsk/c4t1d0" is already recorded in the "/etc/.
vgscan: The physical volume "/dev/dsk/c4t2d0" is already recorded in the "/etc/.
Couldn't stat physical volume "/dev/dsk/c0t0d0":
Invalid argument
The Volume Group /dev/vg01 was not matched with any Physical Volumes.
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тАО03-29-2007 06:54 AM
тАО03-29-2007 06:54 AM
Re: Re install MSA30
Run vgscan with all parameters:
/usr/sbin/vgscan -a -p -v
The device /dev/dsk/c0t0d0 is the CD-ROM - the message is pretty normal.
The devices
/dev/dsk/c4t0d0
/dev/dsk/c4t1d0
/dev/dsk/c4t2d0
belonging to /dev/vgprd
/dev/dsk/c7t3d0
/dev/dsk/c7t4d0
are in use by /dev/vgbkp
So it looks like
/dev/dsk/c4t3d0
/dev/dsk/c4t4d0
are alternates for /dev/vgbkp
/dev/dsk/c7t0d0
/dev/dsk/c7t1d0
/dev/dsk/c7t2d0
for /dev/vgprd
Check this with the vgscan and vgextend the devices to the appropriate vg.
Check if there are files in
/dev/vg01
Hope this helps!
Regards
Torsten.
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тАО03-29-2007 07:21 AM
тАО03-29-2007 07:21 AM
Re: Re install MSA30
HBA1 connector1 -> A1 : A2 HBA2 connector1
HBA1 connector2 -> B1 : B2 HBA2 connector2
vgscan output is:
vgscan: The physical volume "/dev/dsk/c2t0d0" is already recorded in the "/etc/.
vgscan: The physical volume "/dev/dsk/c2t1d0" is already recorded in the "/etc/.
vgscan: The physical volume "/dev/dsk/c3t2d0" is already recorded in the "/etc/.
vgscan: The physical volume "/dev/dsk/c7t3d0" is already recorded in the "/etc/.
vgscan: The physical volume "/dev/dsk/c7t4d0" is already recorded in the "/etc/.
vgscan: The physical volume "/dev/dsk/c4t0d0" is already recorded in the "/etc/.
vgscan: The physical volume "/dev/dsk/c4t1d0" is already recorded in the "/etc/.
vgscan: The physical volume "/dev/dsk/c4t2d0" is already recorded in the "/etc/.
Couldn't stat physical volume "/dev/dsk/c0t0d0":
Invalid argument
/dev/vg00
/dev/dsk/c2t0d0
/dev/dsk/c2t1d0
/dev/dsk/c3t2d0
/dev/vgprd
/dev/dsk/c7t0d0
/dev/dsk/c7t1d0
/dev/dsk/c7t2d0
/dev/dsk/c4t0d0
/dev/dsk/c4t1d0
/dev/dsk/c4t2d0
/dev/vgbkp
/dev/dsk/c7t3d0
/dev/dsk/c7t4d0
/dev/dsk/c4t3d0
/dev/dsk/c4t4d0
and inside /dev/vg01, only:
crw-r--r-- 1 root sys 64 0x020000 Mar 12 04:33 group
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тАО03-29-2007 07:43 AM
тАО03-29-2007 07:43 AM
SolutionIt looks good, just vgextend your VGs like mentioned:
vgextend /dev/vgprd /dev/dsk/c4t0d0 /dev/dsk/c4t1d0 /dev/dsk/c4t2d0
vgextend dev/vgbkp /dev/dsk/c7t3d0 /dev/dsk/c7t4d0
and check with "vgdisplay -v"
If not used, delete /dev/vg01
(maybe from a former created and not properly removed volume group)
Hope this helps!
Regards
Torsten.
__________________________________________________
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тАО03-29-2007 08:00 AM
тАО03-29-2007 08:00 AM
Re: Re install MSA30
Thanks for all.
(Tomorrow Fabian will assign points to your answers)
Just a little doubt:
This sentence will create alternate paths to PV's on /dev/vgbkp
vgextend /dev/vgbkp /dev/dsk/c7t3d0 /dev/dsk/c7t4d0
But to perform the same on /dev/vgprd must not be
vgextend /dev/vgprd /dev/dsk/c7t0d0 /dev/dsk/c7t1d0 /dev/dsk/c7t2d0
instead
vgextend /dev/vgprd /dev/dsk/c4t0d0 /dev/dsk/c4t1d0 /dev/dsk/c4t2d0 ??
Thanks, again.