Questions tagged [corruption]

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Filesystem to protect the storage medium

I'm working on an embedded system which will act as a server, the problem is the environment where it will run is so aggressive and it will suffer abrupt power interruptions. So I'm planning to mount ...
jfernandz's user avatar
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2 answers
567 views

Monitor Linux Server filesystem health and suspicious activities

I run my own, small server here. The server runs on Ubuntu 18.04. There is one single HDD using LVM on a partition together with EXT4. LVM is used for taking snapshots. I also use Webmin with ...
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Corrupt `reverse i-search` database: why and how?

I made a recording of this as it's never happened to me before and seemed pretty weird: https://asciinema.org/a/qVSUzkIX2wLia7EzCFhCYHb9Q Under which conditions would the bash completion database ...
pospi's user avatar
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Are zero byte files an indication of file system corruption?

I recently noticed a strange behaviour. I could not restart a productive webserver running since more than a year because the configuration was invalid: # /etc/init.d/apache2 restart Syntax error on ...
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Jenkins SVN checkout borks new files

I am running a Jenkins CI server which polls an SVN server and checks out the (Maven) project and builds it. We have recently changed the build server and I set up Jenkins afresh with the few ...
Stefan Seidel's user avatar
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PHP fails to start sessions - disk corrupted?

In my Linux server, I can't login to my PHP application having an issue related to PHP sessions: PHP Error Logs: [Sat May 21 21:27:50 2011] [error] [client ] PHP Warning: Unknown: open(/tmp/...
taras's user avatar
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advisability of taskkill to close an application

Before running backups on the data from an application I need to close it cleanly without risking an improper shutdown and data corruption in a Paradox Database. How likely is that, if I use taskkill ...
datatoo's user avatar
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2 answers
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Windows XP IIS 5.1 MetaBase corrupted somehow, reinstalling doesn't help

Somehow my MetaBase.bin is corrupted on my Windows XP machine. I've attempted to uninstall and reinstall IIS numerous times. I did see the Reinstalling IIS on WinXP machine post here which I made sure ...
Chris Marisic's user avatar
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3 answers
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My previous team member "replicated" a database on a server onto another server. But now it's not in sync anymore

Database 1 is a regular database server. He replicated it to Database 2...a direct clone. Master-Master. They are in "sync" all the time. They each have 40 million rows. Today, Database 2 is "broken"...
Alex's user avatar
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"Illegal characters in path (mscorlib)" when trying to Attach Database in SQL Server 2005

I am trying to Attach a database in SQL Server 2005, and get the following error: =================================== Illegal characters in path. (mscorlib) ------------------------------ Program ...
Rob's user avatar
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3 answers
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Corrupted characters when in BIOS menu

I'm experiencing hardware problems with one of my machines. Ignoring the rest of the symptoms I was curious about one of them. When I enter the BIOS, random characters are screwed up... as in, ...
carrier's user avatar
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2 answers
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ubuntu 9 index corrupted

I upgraded to Ubuntu 9 and I am now getting this error: Tracker applet There was an error while performing indexing Index corrupted. I've tried re-indexing, but the problem still shows up. Does ...
Gabriel Solomon's user avatar
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xfs_repair runs instantly, surely this should take some time to run?

I'm trying to troubleshoot some issues with multiple database engines crashing and logs suggesting corruption while reading from disk, so I'm running xfs_repair on a 2TB NVMe which contains the files. ...
synkyo's user avatar
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Any way to recover data from a corrupted RAID 6 array?

I have a pretty old RAID 6 array on MegaRAID 9361-8i / Windows (which has 16x 8TB HDDs). Recently, I found 2 HDDs were dead according to Megaraid Storage Manager, and replaced one of them with a new ...
e1630m's user avatar
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Very strange disk corruption error

I have a server, where I deleted a large file. Let's call it ~/tempfile.txt. Somehow, the deletion didn't work properly, and the disk got corrupted -- meaning, du -hs * doesn't show that file existing....
Parth Thakkar's user avatar
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Track down multiple Mailboxes associated with a single user after a currupted database

Server is Exchange 2013 CU 22 running on Server 2012 R2. Backstory is a drive holding one of the 5 databases ran out of space and corrupted the database. I was able to use exeutil.exe to fix the ...
ADY's user avatar
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How to corrupt a file without changing attributes for integrity testing?

I'm trying to create a process for comparing two folders that should contain exactly the same files. Would like to be able to modify a file's content without changing the attributes as if the file was ...
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Database log file corruption in SQL Server 2005

I've been going through data corruption from last 2 days in row that .ldf getting corrupted and I've to fix it. I did my research that I need new server and management studio because whatever we used ...
user2755462's user avatar
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Dell PowerEdge R720 - Corrupted RAID

Apologies in advance for the lengthy question. We have a Dell PowerEdge R720 server with: 2 x 136GB SAS drives in RAID 1 for the OS (Ubuntu Server 12.04) 6 x 3TB SATA drives in RAID 5 for data A ...
BT643's user avatar
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MySQL MyISAM corrupt table, how to restore?

I have a MySQL MyISAM table that's corrupt. It first showed up in my mysql log as: [ERROR] /usr/sbin/mysqld: Table './mydb/mytable' is marked as crashed and last (automatic?) repair failed I then ...
curtisdf's user avatar
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Windows Server 2008 repair logonui.exe

I'm fairly certain some data on my server got corrupted and from a dialog box that popped up I think one of the things that got corrupted is logonui.exe I think this because while the server goes ...
Josh R's user avatar
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3k views

how to send a corrupt netbios packet

I want to send a corrupt netbios Session Service packet to my machine, My goal it to check whether my machine restarts or not upon receiving the corrupt netbios packet (this has happened before and I ...
Gaara's user avatar
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how safe are FS recovery operations?

I just needed to do a recovery of a vserver after a failed update. Because the scope of the affected files wasn't exactly known, I completely restored most directories, except /home which was not ...
didi_X8's user avatar
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NTFS error 55 after rebooting a Windows 2008 Web Server

This one really drives me around since a year or so: Having a public Windows 2008 Web Server (behind a firewall) that runs perfectly smooth, I have lots of troubles when rebooting this server (e.g. ...
Uwe Keim's user avatar
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MySQL table keeps corrupting, need a simple fail over solution?

One of my clients servers recently crashed at the planet, we got an automatic email from them that they had to do a hard reboot. Since then mysqld stops running occasionally and then shopping cart ...
Anagio's user avatar
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2 answers
4k views

Corrupt Exchange 2007 Mail Box

We have a power user that we suspect has a corrupted MB (missing emails, etc.). To troubleshoot the issue further, we want to delete this user's Exchange MB, create a new one, associate it with his AD ...
I.T. Support's user avatar
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1 answer
584 views

in MSSQL Server 2005 Dev Edition, I faced index corruption

When running stored procedures in MSSQL Server, I found it failed and the DBMS (MSSQL Server 2005 Dev Edition) notified that some indexes are corrupted. Please advice me, here below is DBCC logs: ...
grabtasker's user avatar
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2 answers
4k views

PDF Corruption When Sending with Microsoft Products

I have the same PDF corruption problem in two different offices that I am the tech support for. Office 1: Started in the middle of December. PDF received from outside the office and is viewable with ...
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3 answers
271 views

Windows 7 corrupting XP drive?

I have a user who recently installed Windows 7 rc (7100) on a seperate drive to his main XP drive - he did the installation with the XP drive unplugged and then once everything was set up re-connected ...
Christopher Lightfoot's user avatar
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1 answer
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corrupted syslog messages

on one of servers running 64bit debian lenny i can see from time to time corrupted kernel messages in syslog file. they look ok in dmesg: usb-storage: device found at 21 usb-storage: waiting for ...
pQd's user avatar
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Is there any possible way for a VPN connection to result in corrupt file uploads?

Update w/actual answer: I selected the single answer below, because it encouraged looking deeper into actual machine, actual user, etc. The problem appears only in Microsoft Word files, and only for ...
rcampbell's user avatar
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1 answer
227 views

Dell Laptop randomly stops booting after ATA HD Upgrade

The standard laptop here is a Dell D600 with XP SP3, which came with an 80 GB drive originally. One of them was upgraded to a 160 GB internal drive. Ghost was used to transfer and expand the ...
Mike's user avatar
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1 answer
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dd: failed to open ‘/disk1/boot1.img’: Structure needs cleaning

Executing this Command : dd if=/dev/sda1 of=/disk1/boot1.img I got this Error : dd: failed to open ‘/disk1/boot1.img’: Structure needs cleaning I tried that Command on my centos machine and got that ...
achhainsan's user avatar
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Erasure coding error detection ability

I would like to know in an (2+1) Erasure coding storage setup, can it detect corruption when one node is lost, and there is a silent data corruption from HDD on one of the remaining node. I am ...
Waiho's user avatar
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1 answer
176 views

Audit Log Partition keeps getting corrupted. How to prevent or boot anyway?

I am running RHEL7, and my audit log partition randomly (not often, but often enough to annoy me) gets corrupted, preventing me from booting. How can I either prevent the partition from being ...
dberm22's user avatar
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1 answer
388 views

Ubuntu 20.04 VM Corrupted Javascript files when installing NPM packages

I'm experiencing something weird on Ubuntu server 20.04, Its virtual machine running on XCP-NG 8. I tried several versions of nodejs 14, 16, 18 but nothing solves the issue I can't even install nodejs ...
Xsmael's user avatar
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1 answer
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Raid 10 Centos 7 failure after power cut suddenly

I have 1 server that using RAID 10 software. However, after recent power failure the server no longer can boot and stuck at grub rescue. Using ls command for all device n the server does not detect ...
Alias Harun's user avatar
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0 answers
333 views

Windows 10 1909 OS Corruption Preventing Further Updates

We have multiple computers on the domain which have corruption within the OS. This corruption prevents the install of updates or upgrades. I know the computers which have issues from the results of ...
RLBChrisBriant's user avatar
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1 answer
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weird filesystem behavior (corruption?)

Something very weird I came across, any thoughts would be much appreciated: Some software (httrack) created a directory structure. Using my user (which also ran the software), I cannot view the ...
Joris's user avatar
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1 answer
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List all files with corrupt filenames recursively

I've got a Linux server with some directories and files structure on it. Apparently somehow someone uploaded a bunch of filenames, which got corrupted. Consider the following example: └── parent ├─...
QB new media's user avatar
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1 answer
2k views

InnoDB recovery from datafiles

First of all, my MySQL DB and Linux skills are not so good. I spent several days searching for a solution and tried several approaches. The following approach is the one I came furthest with. My SD ...
Alexander Weber's user avatar
0 votes
1 answer
397 views

Occasional output corruption on Nginx with PHP-FPM

I've got a PHP file generating a large amount of JSON (~1.5 MB) through an Nginx server and PHP-FPM, running on macOS. Occasionally (about 2% of requests), the outputted JSON becomes corrupted. The ...
Robert's user avatar
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0 answers
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Next step when DBCC CHECKDB REPAIR_ALLOW_DATA_LOSS failes

I'm in a situation where a few Tables of a Database (MSSQL2016 - 13.0.5081.1) are corrupted (selecting data failes at some point) There is no valid backup available (the error seems to be present in ...
Cadburry's user avatar
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0 answers
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What does it mean when 24 contiguous bytes in a file are corrupted? [duplicate]

I copied 500 MB of files from one hard drive to another and four files were found to be corrupted on the destination drive, each with one section that had 24 bytes different from the source. What ...
Quinxy von Besiex's user avatar
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1 answer
586 views

LVM - Should I encrypt physical volumes or logical volume?

I have two hard drives and I'm about to build a backup system. Now I'm wondering which solution would be the best. I encrypt disk1 and disk2. After mounting these I create a volume group and logical ...
japs's user avatar
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1 answer
818 views

ext4 corruption leading to unbootable disk. Partition is mountable, but grub detects unknown filesystem

I'm trying to recover from a system disk corruption issue without having to reinstall the OS, which would be super-painful currently. I'm using Ubuntu 18.04, the affected partition is ext4 and on a ...
user3121424's user avatar
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0 answers
659 views

System File Corruption causing Freezing a KSOD

At present we are having some difficulties with one of our Terminal Servers. It is a VM Server 2012 (64bit) What is happening at the moment is that random applications (IE, Chrome, Notepad, Word, ...
user3045068's user avatar
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0 answers
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Active Directory Corruption

We are looking at the topic of DR at the moment and I would like your expert help in the creation of a DR plan in the event that our Active Directory somehow becomes corrupt. We have 4 domain ...
Z Holt's user avatar
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0 answers
842 views

File System is corrupt Windows Server 2012 R2

I keep recieveing an "The file system is corrupt" error on a new Dell powerEdge T430 Server running windows server 2012 r2. I am running in a RAID 5 config with 3 Kingston 960 GB Enterprise SSD's. I ...
user326334's user avatar
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1 answer
979 views

Percona slave crashes with "unexpected PLT reloc type"

I have 2 data centers each with a master/slave database running Percona server 5.5.23. For some reason, one of the slave databases crashed with this error: 03:00:40 UTC - mysqld got signal 11 ; ...
Beekums's user avatar