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Author Topic: Freaking linux Crash NIGHTMARE!!!!  (Read 3497 times)
grondilu
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May 08, 2011, 10:08:44 PM
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Oh my god this is the first time ever I have such a linux crash!!!

It seems that my system is absolutely unrecoverable!!!!!

I'm currently sending this message from a freshly installed Ubuntu distro.   So far I've managed to recover some backups such as my GnuPG private key.

I hope I'll have no problem getting my wallet back!

Pray for me guys!
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trentzb
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May 08, 2011, 10:15:57 PM
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You haven't written to the crashed drive yet have you?
grondilu
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May 08, 2011, 10:20:10 PM
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You haven't written to the crashed drive yet have you?

No as I wasn't even able to mount it.  And fsck is returning many errors.
trentzb
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May 08, 2011, 10:25:16 PM
 #4

Can you fdisk it? You may be able to recover some bits of it...don't write to it even though writes may go to safe locations.

Did you recover your wallet/GnuPG and important items from backup?
trentzb
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May 08, 2011, 10:26:39 PM
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fsck is returning many errors.

ahh, probably too late if you let fsck do something.
ploum
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May 08, 2011, 10:34:51 PM
 #6

anyway, if you have a backup of your wallet.dat, it's not a problem.

If I understood well, even a very old backup should be enough to recover all the transactions that happened after the backup (because all transactions are saved on the network anyway).

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grondilu
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May 08, 2011, 10:37:06 PM
 #7

I don't have much hope about recovering anything from my disk.

I could decrypt my wallet backup so it should be fine.  I'm currently re-downloading the full block chain, looking anxiously at the "balance" field  Undecided

First time in 10 years that I have such a critical crash.
rezin777
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May 08, 2011, 10:45:37 PM
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You don't have multiple wallet back ups?!  Shocked

Good luck!
ploum
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May 08, 2011, 11:07:03 PM
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You don't have multiple wallet back ups?!  Shocked

Why would it be needed? I read about people backuping their wallet after each transaction and I still don't understand why.

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pjwaffle
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May 08, 2011, 11:09:56 PM
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You don't have multiple wallet back ups?!  Shocked

Why would it be needed? I read about people backuping their wallet after each transaction and I still don't understand why.

Did you even read the first post?

Fail.
grondilu
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May 08, 2011, 11:22:58 PM
 #11

damn it I've already downloaded 92,000 blocks and my balance is still zero   Cry

I'm starting to worry now.   I received my first bitcoins around block 85,000  Embarrassed
bitlotto
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May 08, 2011, 11:25:26 PM
 #12

You don't have multiple wallet back ups?!  Shocked

Why would it be needed? I read about people backuping their wallet after each transaction and I still don't understand why.

Did you even read the first post?

Fail.
Maybe he was getting at the 100 addresses feature. The wallet creates 100 addresses at time for use. So if you back up the wallet once it will be good until you use those 100 addresses. No need to back up after every transaction. Problem though, is you have no idea when you've used them. (At least not that I see. Haven't really looked. I back up all the time) So if you got paid at address 101 and you only have the first backup, your kind of hooped.

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ploum
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May 08, 2011, 11:27:09 PM
 #13

Wait, this would mean that the wallet.dat actually "stores" the bitcoin (I don't know how). This doesn't make sense.

Also, it means that we are all forced to backup the wallet each time we receive a transaction! Which is highly impractical and even impossible if services like mybitcoin.com start to grow.

Good luck man, I really hope you recover your bitcoins.


EDIT: thanks bitlotto for the explanations. I didn't know that it was working that way. I understand better now.

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bitlotto
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May 08, 2011, 11:28:43 PM
 #14

damn it I've already downloaded 92,000 blocks and my balance is still zero   Cry

I'm starting to worry now.   I received my first bitcoins around block 85,000  Embarrassed
If it's the hard disk that has failed your last hope could be to "dd" the data to a working drive. And see if you can pick the data out. dd will copy it bit for bit errors and all. Then do your exploration on the working drive.

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bitlotto
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May 08, 2011, 11:31:14 PM
 #15

Wait, this would mean that the wallet.dat actually "stores" the bitcoin (I don't know how). This doesn't make sense.

Also, it means that we are all forced to backup the wallet each time we receive a transaction! Which is highly impractical and even impossible if services like mybitcoin.com start to grow.
It doesn't store the coins. They exist on the network. BUT, to spend them, you need the "keys". They are stored in your wallet. Lose the keys and those coins will never move again to another account.

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grondilu
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May 08, 2011, 11:51:51 PM
 #16

Doesn't seem to get my bitcoins.

I try to stay calm and I think it might be a software version issue.

I was running version 0.3.19 and now I am trying with 0.3.21

Isn't there any non-compatibility issue about database format or something ?
mewantsbitcoins
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May 09, 2011, 12:27:13 AM
 #17

try -rescan
grondilu
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May 09, 2011, 12:34:07 AM
 #18

try -rescan

didn't work.

damn it am I going to lose everything ?
mewantsbitcoins
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May 09, 2011, 12:39:22 AM
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it doesn't make sense. try development&technical discussion board
bitlotto
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May 09, 2011, 12:50:12 AM
 #20

try -rescan

didn't work.

damn it am I going to lose everything ?

How old is the backup? If you've sent and received BTC quite a bit since the backup there is a chance you have BTC contained in addresses not backed up. Sending money sometimes creates new addresses for the change that comes back to you.

You don't have to answer, but how much lost?
Depending on how much, you could use a data recovery specialist.

*Next Draw Feb 1*  BitLotto: monthly raffle (0.25 BTC per ticket) Completely transparent and impossible to manipulate who wins. TOR
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Donations to: 1JQdiQsjhV2uJ4Y8HFtdqteJsZhv835a8J are appreciated.
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