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Need to restore LUN data and RHEL

Hi All,

We are great problem - we have reinstalled the OS on RHEL 6 accidentally - means all data and luns gone fron server.

we dont have backup as it was a newly build.

Now my question ie:

1. Is it possible to recover OS or data from reinstalled OS or can we go back to its previous condition?

2. LUNS which are connected to this server have huge data and now they are disconnected.
so how we can mount or connect those LUNS without hamper the Data - as if we use PVcreate or Vgcreate again on those luns - it will destroy all data on it?

Please help soon
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apunkabollywood
Asked:
apunkabollywood
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1 Solution
 
gheistCommented:
Have a snapshot at hand? Restore to it.
Otherwise pick remaining crumbles of data with e.g. http://www.cgsecurity.org/wiki/TestDisk
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MazdajaiCommented:
If there is no backup for this "huge data", you should consult a professional for data recovery.

It is time consuming and I do not recommend communicating via threads on EE. LVM marks the head and the end of the disk as LVM recognizable. It does not destory the entire LUN, however it is not the case anymore after you install the OS on it.
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gheistCommented:
Testdisk is quite good at restoring missing partition schemes... At least while it stays read-only on demolished disk it does not get in data recovery companies' way.
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apunkabollywoodAuthor Commented:
Thanks I havent used it as we found other way :)
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