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 Post subject: recovering data 6tb
PostPosted: January 5th, 2011, 17:55 
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Joined: May 28th, 2010, 15:25
Posts: 10
Location: spain
Hi a few days ago i have used a hard disk storage from ibm which has space for 12 disks.

A customer told me to recover data from 60tb raid volume, ok lets do it.

I use linux management raid manager to recognize raid data, ok raid is recoginzed but some hard disks are broken.

Then i reboot the server, i use knoppix.

With knoppix i see all the data, but i must be hurry to move data before the rest of the disks are going dead.

Anyone know a way to move data of 6tb over ethernet to somewhere to store all the data?

Thanks


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 Post subject: Re: recovering data 6tb
PostPosted: January 5th, 2011, 18:16 
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Joined: August 12th, 2008, 13:11
Posts: 3235
Location: USA
You should image the drives first, so you don't have to worry about it

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You don't have to backup all of your files, just the ones you want to keep.


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 Post subject: Re: recovering data 6tb
PostPosted: January 5th, 2011, 18:35 
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Joined: November 6th, 2006, 6:58
Posts: 1752
It's a Raid array? Or individual volumes?

You can mount another NAS box with 4 x 2Tb drives and copy out the 6Tb of data.
You can buy a dedicated box or use an old PC with a controller card to connect the drives.


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 Post subject: Re: recovering data 6tb
PostPosted: January 5th, 2011, 19:45 
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Joined: May 28th, 2010, 15:25
Posts: 10
Location: spain
i'ts raid array just one.
The problem i can't move another nas, i'm using a netfinity with raid controller connected to a storage case of 12 hard disks.

I just have knoppix live and giga ethernet.


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 Post subject: Re: recovering data 6tb
PostPosted: January 6th, 2011, 7:38 
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Joined: November 6th, 2006, 6:58
Posts: 1752
And don't you have another of dealing with it?


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 Post subject: Re: recovering data 6tb
PostPosted: January 6th, 2011, 8:32 
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Joined: May 28th, 2010, 15:25
Posts: 10
Location: spain
No that's my problem how can i move the data quickly, over ethernet 6tb will took so much time.

I can buy 4 disks of 2tb


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 Post subject: Re: recovering data 6tb
PostPosted: January 6th, 2011, 8:47 
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Joined: November 6th, 2006, 6:58
Posts: 1752
The best thing would be to take drives out and connect them directly to a computer, and work from there and extract data into a 4 x 2Tb RAID.

But you told it's 12 drives and some are damaged?


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 Post subject: Re: recovering data 6tb
PostPosted: January 6th, 2011, 9:01 
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Joined: May 16th, 2008, 17:38
Posts: 18
I wrote a post yesterday, but it disappeared when I tried to edit it.
When you backed up HDDs you can copy the data over ethernet with DD and netcat. Read data from constructed RAID with DD, send it with netcat, receive it with netcat and write with DD.
Example how to do it (in Polish, but you should get the idea):
http://mydata.pl/kopiowanie-dyskow-przez-siec
Just read the manuals for DD and netcat.

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