Re: disaster please help
From: Clifton, Pablo (Pablo.Clifton_at_BCBSFL.COM)
Date: 06/24/05
- Previous message: Gergely Fóti: "Re: disaster please help"
- Maybe in reply to: Gerard M. MAMOU: "disaster please help"
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Date: Fri, 24 Jun 2005 10:59:36 -0400 To: aix-l@Princeton.EDU
Gerard-
I think you will find this book very useful:
AIX Logical Volume Manager from A to Z: Troubleshooting and Commands
http://www.redbooks.ibm.com/redbooks.nsf/0/57617841b30f11c1862568200078d1b5?OpenDocument
-----Original Message-----
From: IBM AIX Discussion List [mailto:aix-l@Princeton.EDU] On Behalf Of Gergely Fóti
Sent: Wednesday, June 22, 2005 2:18 AM
To: aix-l@Princeton.EDU
Subject: Re: disaster please help
It is specified in the VGDA on both disk. If you are courius type "readvgda hdiskX|more"!
Anyway the PVID is not equal to device name. PVID is that long number (second column in 'lspv'). If you see "none" in that column, try "chdev -l hdiskX -a pv=yes"! This command give a PVID to the specified volume, but not destroys the older one if existed, just make it visible.
Gergely Fóti
Gerard M. MAMOU wrote:
>Hello
>thank you for your answer.
>question continued:
>if these old disks previously known as
>hdisk2 and hdisk3
>are also know (because I have also two disks for my new rootvg) should
>I type importvg -y uservg -P hdisk2 importvg -y uservg -P hdisk3
>meaning:
>should the vg_name uservg of these commands be the SAME as the old
>configuration how the new system knows that there is two disks in the
>uservg if I type only one time importvg -y uservg -P hdisk2
>
>will the system know about the LV in these two disks? how?
>Thank you
>Gerard Mamou
>.
>
>
> On Tue, Jun 21, 2005 at 01:46:06PM -0700, Patrick B. O'Brien wrote:
>
>
>>Get the pvid's of these hdisks;
>>lspv.
>>
>>Now do the following;
>>importvg -y vg_name -P pvid
>>
>>
>>
>>
>>-----Original Message-----
>>From: IBM AIX Discussion List [mailto:aix-l@Princeton.EDU] On Behalf
>>Of Gerard M. MAMOU
>>Sent: Tuesday, June 21, 2005 1:26 PM
>>To: aix-l@Princeton.EDU
>>Subject: disaster please help
>>
>>Hello
>>I have a rs6000 43p with rootvg(hdisk0 and hdisk1) and uservg(hdisk2
>>and hdisk3)
>>
>>The root vg hdisk0 does not boot.
>>
>>I tried to reinstall a mksysb on a new disk.
>>It worked fine.
>>
>>How do I get back my datas of hdisk2 and hdisk3 I did not backup them,
>>I did not exportvg them.
>>
>>What can I do with the hdisk1? Could I get the datas on it?
>>
>>Could I use linux with jfs support to mount the hdisk2 and hdisk3? How?
>>Please help
>>Gerard Mamou
>>
>>
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