Recover Data From Crashed Server

Mar 2, 2007

I have a crashed HD that I want to recover the data. I wonder if there is any method or software out there that can do this for me.

The hard drive is installed with centos and uses ext3 filesystem.

I have tried doing a mount, not if it is done correctly, but I only see "lost+found" on the hard drive.

Usually when this happens on my hard drive w/ windows, I use some data recovery software to extract the data. I don't know which software will do this for me on an ext3 filesystem running centos.

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Server Hard Disk Crashed Badly, How To Recover It

Oct 5, 2008

My server hard disk is crashed badly. The rescue function in the server cannot take part and so I've tried using some recovery software to get back my data.

I've tried using Easy Recovery Professional. It sort all the files by it file type into different folder. I found a folder named .DB, there are also some .ado and . ldb folder too. I guess one of it is my database. The problem now is, i dunno how to read the file.

Do you have any idea to read it? I've tried many recovery system. eg. DiskInternals Linux Recovery, Disk Doctor Linux Recovery.

it is a linux server

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Retrieve Data From Crashed Server

Jan 27, 2007

Does anyone know of any services that can help retrieve data from a crashed server. The server is managed but the support are saying that they are having problems retriving the data. The server had an os reload and they can't slave the old disk.

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Windows Application 2003 Crashes On RAID 5 Server, Can I Recover Data

Jun 12, 2007

Windows Application 2003 crashed on RAID 5 server, we tried to take the NTFS files from the hardrive and mount them on a knobix which was booted from a cdrom drive. Knopix could read the files but it was unable to mount them I guess for compatiblity reasons.

Is there anyway we can get a backup of that ntfs file and restore our data?

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TWO Data Recovery Companies Failed To Recover My Data

Sep 8, 2007

I have 100+ sites on this hard drive, and one site in particular that meant the world to me.

My host sent the drive to Gillware first, but they failed saying that the file system was so severely damaged that they could not recover anything.

Then shortly after, my host sent it to DriveSavers, a very well-known company, but they also FAILED.

I'm extremely depressed because of this. Please don't post if you're going to say "make sure you do backups next time" because I've heard it 504329504395 times now, and while I do realize my mistake, saying that does NOT help me.

I am willing to spend ALOT to get my sites back. I still have hope. Are there any other companies out there BETTER than DriveSavers? Assuming that you'd still have hope even after two companies failed, where you would you go or what would you do?

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Recover Data

Sep 23, 2008

which is the best solution to recover my server data if its accidentally crashed and formated?

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Rsync Failed On Me..couldn't Recover The Data

Apr 14, 2007

I am putting this thread to take other people advise and to advise them about my bad experience with rsync. Lucky, I was able to get my data back through the old drive

Three times a day, I take mysqldump and then rsync that mysql dump to a drive located in a different state.

Everything was working fine..The rsync was transferring data daily and updating the backup on other server. Few days ago, there was a hard drive failure on my server and then i checked in my backup drive for mysql dump...It was 764 bytes instead of 5 Gb...

Then i went to my other server where I rsync, to my surprise that was also 764 bytes from 5 Gb as it synced the both database..

My backup strategy failed and would be in tears if I couldn't grap data from failed drive

I would like to hear everyone views on this and learn from it

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Hard Drive Failure, Recover Data

Dec 14, 2007

I just recently had a hard drive failure that produced the following error

root@re:/# mount /dev/hda3 /mnt
mount: wrong fs type, bad option, bad superblock on /dev/hda3,
missing codepage or other error
In some cases useful info is found in syslog - try
dmesg | tail or so

ide: failed opcode was: unknown
end_request: I/O error, dev hda, sector 4410069
Buffer I/O error on device hda3, logical block 8259
hda: drive_cmd: status=0x51 { DriveReady SeekComplete Error }
hda: drive_cmd: error=0x04 { DriveStatusError }
ide: failed opcode was: 0xb0

The host is going to mount this HD on the same machine after adding a new hard drive and fresh install... Does anyone have any recommendations for how I can go about recovering data? Specifically mysql databases?

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Plesk 11.x / Windows :: How To Restore Data From Crashed Hard Disk - 11.5.3

Jul 31, 2013

My windows server's hard disk was crashed & now I have mounted it as secondary hard disk on the server .

Now I want to restore the data to new server .

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Server Crashed

Mar 9, 2007

my linux server crashed today. I found these are the last line in the log
file just before i crashed.

Mar 8 07:21:00 myserver xinetd[5376]: warning: can't get client address:
Connection reset by peer
Mar 8 07:21:13 myserver xinetd[5395]: warning: can't get client address:
Connection reset by peer

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Server Crashed

Aug 14, 2007

I've been with 3 dedicated hosts since 2005 and my sever experienced the first ever crash yesterday. I wanna know if any of you have experienced a crash once and not have it happen again after that time. As this is the first occurence, I'm feeling uneasy about the server stability.

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Phpmotion Causes Server Crashed

Jan 13, 2008

about a video sharing website.

I found phpmotion [url] and thinking about using this script, not only it is free but also it has the funtion that alow direct transfer video files from youtube to my server. Moreover, the phpmotion community is lovely.

The problem is that my hosting provider said this script is bad.


While it will run on our servers I have heard nothing but bad things
about this software on our servers. For quite a while it has caused
issues to the point of crashing our servers but just recently (in the
last couple days) we have found ways to put limits on our systems which
should effect other programs/processes which will prevent this software
from crashing our servers so whether or not this would be ok to run on
our servers is a big *maybe* Alot of the issues appear to be related to
the fact the software runs php by executing it via shell using the php
executable which isn't really good considering that on our servers it
will always make it use php4 which might not be what your site is
running. PHPMotion is pretty much the only software I have heard
discussed and has caused major issues on our servers so if you could
avoid it I would definitely suggest you do! If you asked me about any
software which is reported to have/cause problems on our servers without
even mentioning phpmtion I would have answered phpmotion as that is the
only one I have heard of which causes tons of issues.

my questions are:

1. Do you have the same experiences with phpmotion?

2. How can I reduce the problem?

3. If phpmotion is really bad, which video sharing script should be recommended?

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DNS Server Crashed - Rebooting Has No Effect

Oct 25, 2008

I'm hosting proxy sites on my vps and untill yesterday my proxy worked fine with no problems at all.

But while going trough my server graphs I found it odd that I had 0 bandwidth since the middle of yesterday.. I first supposed that this was due school's out [url]but this wasn't the reason I found out!

I tried testing one of my proxies to see if it was still working, but with any URL I try to visit I get:

The requested resource could not be loaded. libcurl returned the error: Couldn't resolve host ''

I suppose the DNS server crashed?

I already restarted the VPS 3 times including the DNS Server.

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Server Crashed: Kernel Panic

Mar 23, 2007

Today my server just crashed instantly... It was running fine with a load of 0.12 but then it went down all the sudden. After a reboot I checked the /var/log/messages file and saw this:

Mar 23 15:57:00 alpha kernel: Unable to handle kernel NULL pointer dereference at virtual address 00000020
Mar 23 15:57:00 alpha kernel: printing eip:
Mar 23 15:57:00 alpha kernel: c017292b
Mar 23 15:57:00 alpha kernel: *pde = 2085d001
Mar 23 15:57:00 alpha kernel: Oops: 0000 [#1]
Mar 23 15:57:00 alpha kernel: SMP
Mar 23 15:57:00 alpha kernel: Modules linked in: ipt_TOS iptable_mangle ip_conntrack_ftp ip_conntrack_irc ipt_LOG ipt_limit ipt_multiport ipt_state ip_conntr
ack ipt_owner ipt_REJECT iptable_filter ip_tables autofs4 i2c_dev i2c_core sunrpc md5 ipv6 dm_mirror dm_mod button battery ac uhci_hcd ehci_hcd e1000 floppy
ext3 jbd ata_piix libata sd_mod scsi_mod
Mar 23 15:57:00 alpha kernel: CPU: 0
Mar 23 15:57:00 alpha kernel: EIP: 0060:[<c017292b>] Not tainted VLI
Mar 23 15:57:00 alpha kernel: EFLAGS: 00010246 (2.6.9-42.0.3.ELsmp)
Mar 23 15:57:00 alpha kernel: EIP is at dnotify_flush+0xe/0x70
Mar 23 15:57:00 alpha kernel: eax: c0446c40 ebx: ca05dd80 ecx: 0046ef00 edx: f1d95300
Mar 23 15:57:00 alpha kernel: esi: 00000000 edi: ca05dd80 ebp: f1d95300 esp: eb3f3fa0
Mar 23 15:57:00 alpha kernel: ds: 007b es: 007b ss: 0068
Mar 23 15:57:00 alpha kernel: Process httpd (pid: 28057, threadinfo=eb3f3000 task=efaf03b0)
Mar 23 15:57:00 alpha kernel: Stack: ca05dd80 00000220 f1d95300 eb3f3000 c015a7e5 0000020f bff65b64 bff65af0
Mar 23 15:57:00 alpha kernel: c02d47cb 0000020f 0046eff4 08cd4e6c bff65b64 bff65af0 bff615b8 00000006
Mar 23 15:57:00 alpha kernel: c02d007b 0000007b 00000006 0032a7a2 00000073 00000246 bff61598 0000007b
Mar 23 15:57:00 alpha kernel: Call Trace:
Mar 23 15:57:00 alpha kernel: [<c015a7e5>] filp_close+0x49/0x5f
Mar 23 15:57:00 alpha kernel: [<c02d47cb>] syscall_call+0x7/0xb
Mar 23 15:57:00 alpha kernel: [<c02d007b>] packet_rcv+0x17e/0x307
Mar 23 15:57:00 alpha kernel: Code: 00 89 c3 85 d2 74 0e 8b 42 04 8b 12 25 ff ff ff 7f 09 c1 eb ee 89 8b 34 01 00 00 5b c3 55 89 d5 57 89 c7 56 53 8b 40 08 8
b 70 10 <0f> b7 46 20 25 00 f0 00 00 3d 00 40 00 00 75 4d 8d 46 68 e8 fb
Mar 23 15:57:00 alpha kernel: <0>Fatal exception: panic in 5 seconds
Mar 23 16:06:46 alpha syslogd 1.4.1: restart.
So it seems like httpd crashed my server? I checked the Apache error_log and noticed lines like these:

*** glibc detected *** free(): invalid pointer: 0x08872c98 ***
[Fri Mar 23 15:57:03 2007] [error] [client x.x.x.x] Premature end of script headers: /home/user/public_html/forum/index.php
[Fri Mar 23 15:57:03 2007] [error] [client x.x.x.x] File does not exist: /home/user/public_html/500.shtml
When I look at the whole error_log it seems like such errors appear frequently and for different websites and PHP applications. This isn't the only glibc error, there's also stuff like "*** glibc detected *** corrupted double-linked list: 0x088e0bb8 ***". I have recently installed eAccelerator and searched the web: I'm not the only one who has such problems with eAccelerator. Do you think these glibc errors may have caused the server to crash?

Also, lately I noticed a lot of lines like these in the /var/log/messages file:

Mar 23 15:47:45 alpha kernel: post_create: setxattr failed, rc=122 (dev=sda7 ino=4318565)

Mar 23 15:50:56 alpha ntpd[2958]: sendto( Operation not permitted
I've done some Google'ing on the first error and it seems like someone with the same error got it fixed by running a filesystem check... By the way /dev/sda7 is my /home directory. But in order to run a filesystem check I need to disable all services and unmount /home? That's kind of a pain in the ***... In general, how long do you think it takes to run a filesystem check? Here's information about my /home partition:

/dev/sda7 198G 71G 118G 38% /home

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Apache :: Crashed WAMP Server - Cannot Load

Jun 26, 2013

I'm running a WAMP server, hosting an internal website for my company's use.

Windows XP Home SP3
Apache 2.0
MySQL Server 5.5
PHP 5.?

Last night Microsoft Security Essentials froze while running a scan. I restarted the scan and it froze again, so I rebooted the server. Now Apache won't start, providing the following error ....

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How To Recover From A Limestone Server

Dec 20, 2008

I had an issue with limestonenetworks over the last 24 hours. My 2 servers went down for 12 hours but when it came back up the separate mysql server would not load?? Somehow the hard drive on that server failed during this upgrade and they cannot retrieve the databases on the server. A database containing over 60,000 members. Through my own undoing I didnt have a recent backup. A cpanel backup was backing up the same old file instead of the updated one.

I would have been happy if the site came back and at least the data was still there. Im just upset that this "network upgrade" has fried my database. From this I get the lesson "You get what you pay for". Im just keeping my fingers crossed that they will be kind enough to make a serious attempt to recover the data or at least let me send it to someone who can.

Does anyone have any suggestions on how to get retrieve data from a linux server hard-drive?

Here are the steps that have been taken so far:

Upon console of the server it was at DISK BOOT FAILURE prompt. We first did the basics and disconnected the server and made sure all connections to the hard disk and motherboard were secure. Upon reboot we checked to see if the BIOS detected the drive which it did. The server still reported disk boot failure. We then rebooted back into the BIOS to make sure the BIOS was set not skipping the hard drive in the boot process.

It was not.

The "recovery tools" we ran was just a basic linux live cd to see if we could get the hard drive detected inside of an operating system. It would not even detect the disk in the machine. We did not perform anything on the drive to cause it to fail. I spoke directly to my manager who was supervising the move and I was told that all servers were shut down cleanly as well as moved safely and securely.

The hard disk is still detected by the BIOS but the hard disk certainly has some internal issues as you can hear a constant buzzing and clicking during POST and after.

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Plesk 12.x / Linux :: DNS Server Crashed Failed To Start

Jun 22, 2015

It seems the servers dns will not resolve and has crashed. When starting the "Named" service, here is the error:

Error in named configuration:
zone 0.0.127.IN-ADDR.ARPA/IN: loaded serial 20010622
zone loaded serial 1433121512
zone NS '' has no address records (A or AAAA)

zone not loaded due to errors.

_default/ bad zone

zone NS '' has no address records (A or AAAA)

zone not loaded due to errors.

_default/ bad zone

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Average Time To Recover A CPanel Server Drive Failure

May 30, 2008

As I have never used cPanel neither have whatsoever experience with control panels, in the process of ordering a couple of new server I am wondering what's the average recovery time after a server failure which involves data (ie. disk failure).

I am interested to understand this, because I need to choose between hardware raid or backup disk.

For example, at LiquidWeb (this is just one of the many managed providers i am evaluating) you can pay the same server 264$ with 2x250 hardware raid 1, and 219$ with 2x250 simple hard drives, where the second one is supposed to be a backup drive.

I am yet to ask, but on this servers most likely (at this prices) they do not have hot swappable disk drives where they can rebuild the array "live", so also if i choose raid hardware, in case of a disk failure, i face a downtime to bring down the server, rebuild the array, bring on the server, which I guess is something not less than 30-60 minutes downtime.

The advantage of this solution is that a disk failure keeps the system running, so you can schedule a maintenance window to replace the disk and rebuild the array, I guess.

On the other side, relying on a backup disk (and of course rsyncing data to an offsite server, i would do this anyway) you save 45$ each month, and disks after all do not fail every month.

If the main disk fails, they need to replace the disk, install again the server with what I suppose being a standard image (so let's figure a couple of hours, as they have a 30min hardware replacement sla), then you need to restore backups (which in my case are something like 20gigs). So I guess, on an average, it would take something like 4 hours downtime.

Am I correct ?

What would you reccomend as a solution with cpanel, taking into account the huge price difference ? Backup drive or Hardware raid ?

This would be for a single big website, not a hosting-company with resellers and customers environment, so I would value more the monthly saving, rather than the high availability, but of course I am interested to know what is the average time to recover a cpanel server after a drive failure.

Besides I have also another question, as I have never had a colocated server with raid hardware, so i do not know anything about this.

When a drive fails in a raid1 hardware environment, how the hosting provider gets notified ? I suppose it's not a led on the server to blink, as no one would see it.

So if you have software raid (like my computer at home) you get an email from mdadm with "warning, array degraded", so you know it quick and you can check it anytime doing a ' cat /proc/mdstat '. What about hardware raid?

My fear is that nobody notices my raid1 drive failure, the server keeps going on just a drive, then maybe the other drive fails, and it would be unpleasant: while a single drive failure would be obviously very easy to spot for me.

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Apache Crashed - Any Ideas?

May 10, 2007

This morning, apache crashed on the server that I assist a friend of mine (junglecat here) with. We finally managed to get it up and going - for some odd reason, restarting apache/httpd via Cpanel wouldn't get it going, but SSHing and typing via command line would.

I downloaded the apache error log, and it's CHOCK full of this, repeating over and over (and over) again:

DBD::mysql:t bind_columns failed: Statement has no result columns to bind (perhaps you need to successfully call execute first) at line 55.
DBD::mysql:t fetch failed: fetch() without execute() at line 56.
Use of uninitialized value in concatenation (.) or string at line 59.
Use of uninitialized value in concatenation (.) or string at line 61.
Use of uninitialized value in concatenation (.) or string at line 76.

Have tried searching and either I'm not using the correct terms, or this doesn't happen that much (I am betting on the former). Any ideas?

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Table Marked As Crashed.

Apr 5, 2009

I have a table that is showing

MySQL Error: 145 (Table './dollarpt_ptc/flinks' is marked as crashed and should be repaired)

I've repaired it via
mysqlcheck --repair --all-databases

that didn't work. I've tried
find /var/lib/mysql/* -name *MYI |xargs myisamchk -o -r
as well with no luck.

I then dropped the table and I still get the message. I know it's using the correct database, so any help would be appreciated.

It's like there is a table where this data is kept, but I've looked and can't find anything.

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MySQL Table Crashed

Sep 28, 2007

Table '231_message' is marked as crashed and should be repaired

I haven't ever had this happen, is all my data truely lost or can i 'repair' it

i was moving sites to a different server (VPS -> dedicated) and on the vps i have a max of 20gb storage, well as i was using the cpanel transfer it filled this up because it didnt have a warning about this (i dont accept blame )

either way it seemed at this time someone on my site tried to make an adjustment to the table and it crashed it since there wasnt room? i really need to get this fixed asap so I can properly move this site with a working database

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How To Delete Some Crashed/messy MySQL DB

May 9, 2009

When I try to remove a DB it is giving this error into phpMyAdmin:

#1051 - Unknown table 'seccion,anuncio,lengua,ciudad,email'

After mysql check the errors are:

Repairing tables
error : Table 'user_db.anuncio' doesn't exist
error : Table 'user_db.ciudad' doesn't exist
error : Table '' doesn't exist
error : Table 'user_db.lengua' doesn't exist
error : Table 'user_db.seccion' doesn't exist
error : Table 'user_dbTest.anuncio' doesn't exist
error : Table 'user_dbTest.ciudad' doesn't exist
error : Table '' doesn't exist
error : Table 'user_dbTest.lengua' doesn't exist
error : Table 'user_dbTest.seccion' doesn't exist

How this can be fixed and the MySQL DB to be dropped ?

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Mysql/user Is Marked As Crashed

Jan 30, 2007

I am trying to start mysql but i am getting the following error

MySQL manager or server PID file could not be found! [FAILED]
Starting MySQL................................... [FAILED]

I checked my hostname.err file in /var/lib/mysql and this is the error message it shows.

070130 17:59:41 mysqld started
070130 17:59:42 [ERROR] /usr/sbin/mysqld: Table './mysql/user' is marked as crashed and should be repaired
070130 17:59:42 [ERROR] /usr/sbin/mysqld: Table './mysql/user' is marked as crashed and should be repaired
070130 17:59:42 [ERROR] Fatal error: Can't open and lock privilege tables: Table './mysql/user' is marked as crashed and should be repaired
070130 17:59:42 mysqld ended

how I would repair that to get mysql to start again?

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How To Recover Ssh Port

May 15, 2009

im doing this in favor of my friend who is having some problem with his dedicated server,"he does not speak english very well" he has a unmanaged dedicated server he changed something on his ssh port and forgot what port is it, he can still access his WHM right now, meaning he know's the root password "correct" but the problem is he forgot his ssh port

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