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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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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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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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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How To Recover Formatted Disk

Aug 5, 2008

I had a server with XX datacenter. They've formatted my server and I MUST recover files immediately..

Server is running centOS 5.x and it has been formatted + rebooted 2-3 times.
How can I rescue files now?

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Use Almost Disk Space Will Harm Hard Disk

Apr 29, 2008

My server has a small SAS disk(about 73G), if I use 90% diskspace of it, is it good idea, will it harm the physical HDD?

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Plesk 12.x / Linux :: Server Secondary Hard Disk Is Not Accessible Through Ftp Account

Feb 10, 2015

I have a server with two hard disks.

The centos operating system and plesk (and also apache webserver) are installed on the first hard disk.

I have mounted the second hard disk (6 TB with ext4 file system) in a folder under /var/www/vhosts/AHostingAccount directory.

This folder is accessible via plesk's file manager but i cannot access it via ftp.

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Plesk 12.x / Linux :: CentOS 7 - Hard Disk Quota Is Not Supported Due To Configuration Of Server File System

Feb 25, 2015

I have a new CentOS 7, with Plesk 12, CentOS 7 by default has XFS filesystem.

I try migrate sites from another Plesk Server but Plesk agent say: "hard disk quota is not supported due to configuration of server file system" (my CentOS 7)

My CentOS7:

CentOS Linux 7.0.1406 64 bits
Plesk 12.0.36

My fstab

[root@ns ~]$ cat /etc/fstab
/dev/mapper/centos-root / xfs defaults,usrquota,grpquota 1 1
UUID=ba391bd5-786c-4ae7-8bbd-f36f831ae6eb /boot xfs defaults 1 2
/dev/mapper/centos-swap swap swap defaults 0 0

I added "usrquota,grpquota", then mount -o remount / ; but when I try quotacheck -fmv / I gest this:

[root@ns ~]$ quotacheck -fmv /
quotacheck: Skipping /dev/mapper/centos-root [/]
quotacheck: Cannot find filesystem to check or filesystem not mounted with quota option.

but quotaon command works:

[root@ns ~]$ quotaon /
quotaon: Enforcing group quota already on /dev/mapper/centos-root
quotaon: Enforcing user quota already on /dev/mapper/centos-root

The problem here is why Plesk does not recognize quotas as enabled on CentOS 7??

If I try this command it seems good:

[root@ns ~]$ /usr/local/psa/admin/sbin/usermng --isquotable

Also I do this:

- Disabled Selinux
- Check all packages as quota, etc.

I have been using some reference: [URL] ....

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Check How Much Hard Disk I Have?

Apr 30, 2008

how can i check how much hardisk i have with ssh/directadmin?

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Mount New Hard Disk

Mar 4, 2008

I currently have a 160gb HDD and its almost full.. I wanted to mount another on the server so can anyone assist me in doing it..

And one more thing..

Currently i have all my data in the /home/user/public_html/ folder which is on my current HD.. Now if i add the second HDD to it how will the data be managed..

I mean if suppose someone uploads a file in my site then in which HDD will it go and when it gets downloaded then how will it know from where to download it..

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Ghosting Your Hard Disk

Jun 10, 2007

It looks like the hard disk in my server is very problematic and that's the source of all my suffering all these months.

Anyone know how to ghost the content of my hard disk? Also where should I store the "image"?

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Hard Disk Usage :: Sda2 Is 91% Used?

Apr 3, 2008

When I check hard disk usage I get the following:


Filesystem Size Used Avail Use% Mounted on
/dev/sda2 9.7G 8.4G 905M 91% /
/dev/sda5 215G 415M 204G 1% /var
/dev/sda1 99M 16M 78M 17% /boot
tmpfs 2.0G 0 2.0G 0% /dev/shm
/dev/sdb1 227G 188M 215G 1% /disk1

sda2 is 91% used.. I am not sure what is it filled with. How can I know what is exactly on that partition?

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Hard Disk DARPA Bakup

Oct 19, 2007

I face a problem in a server:

Hard disk DARPA bakup

I deleted backup site of almost 5 days

Now I want these bakup

Is there a method of retrieval?

I wish if there was any way to recover the files deleted from the hard disk
Wish benefit

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What To Do When Hard Disk Full, But More Space

Feb 22, 2007

I am running a dating website and getting more and more users with every day. They can upload from 10 till 100 pictures depending of their account satatus. Server's hard disk will be full in some 5-6 months. I can not attach unlimited amount of hard disks to the same machine. What can I do in this situation?

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Hard Disk Went Broken And I Need To Recovery Data

Dec 26, 2007

My server (Fedora Core V and Plesk 8) hard disk broke 2 days ago and my bakckup tar.gz is too old.

Datacenter ( tried to put old harddisk as slave but server is not recognising the old drive. Datacenter say that can not do anything more.

My question:

Is there any software or company that can recovery my harddisk data?

My last 6 months work is gone now.

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Win2k3: NTDetect Failed And SATA Hard Disk

Sep 12, 2009

trying to get my Win2k3 Standard R2 server to work.


I did some Windows update around 3am this morning but during the update process. I lost Remote desktop connection as my machine is do several attempts to connect with the remote server. I cancel the attempt after several try. I figure i can remote desktop back in again if i wait for a bit but I couldn't re-establish the connection with my remote server. So, I drove to the Datacenter to check it out and it turn out the machine have rebooted and I'm stuck with "NTDetect failed" error message. After some googling, I was trying to fix this error by copying NTLDR and NTDetect.COM into C: but when i tried to use the Win2k3 CD to go into Windows Setup and repair. I got an error message telling me that "Setup did not find any hard disk drives installed in your computer...".

After some googling, I found the two Maxtor SATA hard disks might be the problem and one soultion that i found was to disable the SATA or set it to IDE since the motherboard have nvida RAID controller onboard. I check the BIOS and the RAID is set to disabled and then i tried to disable SATA and only enable IDE. It still give me the same error message about not able to find any hard disk.

I'm on my last rope here. I'm short of reformatting the hard disk and do a fresh reinstall but I will like to avoid this.

Does anyone know if cancel Remote desktop connection attempt during Windows update process cause this NTdetect failed problem or something else that might related to my hardware. I can assure you that two SATA hard disks shown on BIOS.

The soultion to NTDecte failed problem seem to be just copying NTLDR and into C: but since i can't even get to Repair mode during Windows setup with no disk install error. Can someone recommand how to solve this problem?

The motherboard that i use is ASUS M2N-MX SE AM2 NVIDIA GeForce6100 / nForce430 and the BIOS is American Megatrends Inc.

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Plesk Automation :: Update Hard Disk Memory Limit For The Created Subscription

Mar 3, 2014

Is any way to change hard disk memory limit for created subscription ? It is 4 Gb I have to increase it to 8 Gb.

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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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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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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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400GB Hard Disk Drives In RAID 0, RAID 5 And RAID 10 Arrays: Performance Analysis

Mar 7, 2007


Today we are going to conduct a detailed study of RAIDability of contemporary 400GB hard drives on a new level. We will take two "professional" drives from Seagate and Western Digital and four ordinary "desktop" drives for our investigation. The detailed performance analysis and some useful hints on building RAID arrays are in our new detailed article.


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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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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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