Author Topic: Recent forum.avast.com problems  (Read 11457 times)

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Offline chocholo

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Recent forum.avast.com problems
« on: May 02, 2012, 11:21:48 AM »
Hello,

As I've promised in the very brief error message, I am going to explain what happened and why it took us two days to get the avast! Forum back.

Neither our forum nor our provider was hacked or DDOSed. The forum is currently hosted on our own servers, connected to our own network (we have our own AS numbers and peerings) in our rack, currently in our HQ in Prague.

On Monday morning, the forum server crashed during backup, and it unfortunately somehow corrupted the mapped iscsi volume with the forum data (we are investigating with the vendor how that could happen). What was worse, the backup iscsi volume also was mapped to the forum server and corrupted. So, because of this, we didn't have a fresh (few hours old) backup to restore. We had only a backup a few weeks old.

However, I found that it would be possible to get access to the freshest (online) data from the time when the server crashed. Because of this, I didn't restore the old backup and waited to see how the restoration would finish. Fortunately, it finished OK, so we now have the forum back as it was on Monday morning, just before crash.

I was called on Monday around 11:00 that the forum was not behaving normally, and it took approximately two hours to investigate what exactly was wrong. Some eight hours I was trying to find out how we could fix it by ourselves, then I contacted the vendor. That was the most time-intensive aspect, and after a few e-mails we managed to fix the iscsi volumes. That was some 30 minutes ago.

I apologize for all the troubles,

Petr Chocholous
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email: chocholous at avast.com
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Offline chocholo

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Re: Recent forum.avast.com problems
« Reply #1 on: May 02, 2012, 11:23:29 AM »
I forgot to thank you all who notified me about the problem.

Offline Asyn

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Re: Recent forum.avast.com problems
« Reply #2 on: May 02, 2012, 11:27:20 AM »
I forgot to thank you all who notified me about the problem.

NP Petr. ;)
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Offline CraigB

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Re: Recent forum.avast.com problems
« Reply #3 on: May 02, 2012, 11:28:43 AM »
Thanks for letting us know Petr :)

Offline DavidR

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Re: Recent forum.avast.com problems
« Reply #4 on: May 02, 2012, 12:32:15 PM »
Thanks for the update, though I was getting the server is under severe load, try again later for searches/show last topics, etc. error message when I first managed to get on-line.

This was also happening some time before the crash, so I don't know if that was a prelude/warning of any imminent problem/crash.
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Offline jeffce

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Re: Recent forum.avast.com problems
« Reply #5 on: May 02, 2012, 01:35:36 PM »
Thanks for letting us know.  :)

Offline Lisandro

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Re: Recent forum.avast.com problems
« Reply #6 on: May 02, 2012, 01:50:41 PM »
Petr... Thanks for your hard work. Glad that the data is safe.
But... Would we go for a Plan C backup scheme?
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Offline iroc9555

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Re: Recent forum.avast.com problems
« Reply #7 on: May 02, 2012, 01:56:30 PM »
Thanks Chocholo.

Hell of a labor day, ah!
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Re: Recent forum.avast.com problems
« Reply #8 on: May 02, 2012, 02:31:16 PM »
I only had Vlk in my contacts that i could remember right away so i've sent him a mail. :)
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Offline schmidthouse

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Re: Recent forum.avast.com problems
« Reply #9 on: May 02, 2012, 05:22:44 PM »
Yes, missed the reading. ;)
Hard work,
THanks
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Offline NON

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Re: Recent forum.avast.com problems
« Reply #10 on: May 02, 2012, 06:22:14 PM »
Thanks for the hard work chocholo, we are glad to see the forum is back. :)
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Offline chocholo

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Re: Recent forum.avast.com problems
« Reply #11 on: May 02, 2012, 06:39:04 PM »
Petr... Thanks for your hard work. Glad that the data is safe.
But... Would we go for a Plan C backup scheme?
Yep, we already changed the backup scheme.

Offline CharleyO

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Re: Recent forum.avast.com problems
« Reply #12 on: May 02, 2012, 06:43:21 PM »
***

My thanks also, Chocholo, for the hard work and quick response by you and those who helped.


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Offline polonus

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Re: Recent forum.avast.com problems
« Reply #13 on: May 02, 2012, 06:54:17 PM »
Hi chocholo,

That meant some struggling with the back-up "table". Thanks for bringing it back up again,

polonus
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Offline MikeBCda

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Re: Recent forum.avast.com problems
« Reply #14 on: May 02, 2012, 08:26:10 PM »
Many thanks from me too, and welcome back.  Still getting your error message yesterday was surprising, since repairs don't usually take that long, but we certainly appreciate the detailed explanation.
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