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0
votes
1answer
17 views

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 ...
0
votes
0answers
21 views

Windows Server DFSR Log Repeating Error

I'm running Windows Server 2008 R2 on both sides of the DFS replication. Both servers are on the same LAN. Server1 is my source and I'm pushing to Server2. I preseeded following Microsoft's ...
3
votes
1answer
3k views

logfile deleted on Oracle database how to re-create it?

For my database assignment we were looking into 'database corruption' and I was asked to delete the second redo log file which I have done with the command: rm log02a.rdo this was in the ...
0
votes
1answer
23 views

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 ...
2
votes
2answers
52 views

Exchange 2013 database corruption with event 476 in ESE

I'm having some random database corruptions on our Exchange Server 2013 with event 476 on ESE. This is the fifth time that this happens and the situation in already unacceptable. Here's an screenshot ...
6
votes
1answer
92 views

zfs checksum error in raidz1 vdev but not in disk

I am backing up data stored in a zpool consisting of a single raidz vdev with 2 hard disks. During this operation, I got checksum errors, and now the status looks as follows: pool: tmp_zpool ...
0
votes
0answers
9 views

Finding out what part of the virtual disk does a section of a VHD file correspond to

There's been a little disk corruption and I've identified that a 4K chunk of the VHD file is missing, and I know its offset in the file. I'd like figure out what location in the underlying virtual ...
0
votes
0answers
33 views

What does the sqldumper_errorlog file contain?

The SQL Server error logs are continually showing (along with many more messages) BEGIN STACK DUMP. * User initiated stack dump. This is not a server exception dump. Followed by External dump process ...
6
votes
5answers
4k views

Weird file corruption when using FTP. Any theories?

Sometimes when I'm uploading a large number of small files via FTP, some of the files' contents will be replaced with FTP control messages. For example, after uploading a website I'll notice that an ...
3
votes
0answers
187 views

Corrupt WiredTiger MongoDB files

I'm running MongoDB with the WiredTiger engine on an ext4 file system. The last thing that I did was start building an index, but then something came up and I needed to cancel the index build and ...
0
votes
0answers
54 views

Squid Proxy 3.1: Squid generated FTP directory listing in browser results in corrupted txt files

Environment: We use squid proxy 3.1.12 on SLES 11 (its the latest suse supported squid release). Problem: When a ftp page is loaded via a web browser, e.g. with the URL ...
6
votes
3answers
8k views

How to fix corrupt packet error for with rsync for (relatively) large files?

Trying to update files on a server, with the rsync command: rsync -ravq -e "ssh -o ConnectTimeout=2 -o ServerAliveInterval=2 -ServerAliveCountMax=2" --delete ./local_dir user@$SERVER:/dest_dir ...
1
vote
0answers
107 views

elasticsearch glibc memory corruption

My elastic search clusters keep crashing for no reason. All I can see in the logs is : INFO | jvm 4 | 2015/04/17 19:10:09 | *** glibc detected *** /usr/java/jre1.7.0_04/bin/java: malloc(): ...
1
vote
1answer
90 views

Server with multiple replicate=do-db entries

I have a server that someone has setup which are acting as a master-master on both servers. Since they have been configured as both master on the same database, changes in one end has caused all sorts ...
7
votes
6answers
30k views

Check for hard disk errors / signs of failure on CentOS Server

What's the best way to check for HDD errors and early signs of failure on CentOS?
0
votes
0answers
188 views

Corrupt qcow2 files on Ubuntu/CMAN/Pacemaker/OCFS2 Cluster

I configured a 2-node cluster based on Ubuntu 12.04 LTS. The 2 servers are connected through Fibre Channel(HP 82E 8Gb 2-port PCIe Fibre Channel HBA) to a HP MSA 2040 SAN. Server 1 is a HP DL380 G6. ...
3
votes
2answers
5k views

Problem with msiexec.exe locking up when installing / uninstalling

I am running two virtual 2008 Windows Servers that have been having some reoccurring problems for the past few months. Msiexec.exe seems to run and always freezes at 25% cpu usage and around 12 - 15k ...
5
votes
1answer
100 views

Active Directory Users - All Attributes Suddenly Blank

We had an instance yesterday where approximately 130 of our well over 5,000 user objects suddenly became corrupted. Every attribute you can possible set with the exception of sAMAccountName and cn ...
1
vote
0answers
149 views

Inconsistent data transfer throughout Ubuntu server causes system instability and data corruption [closed]

Update 2 We replaced the CPU, and all is good. It was a busted CPU! Update We replaced the motherboard, and are still getting the exact same problem. Does this mean it is a faulty CPU? What else ...
0
votes
2answers
142 views

Purposely corrupt folder name?

I want to intentionally corrupt a folder name so I can test a script on it. Currently the folders are named similar to : 37ee0500-52c0-4a18-861e-0084EF05FB and are located in: /user/members/local/ ...
0
votes
1answer
227 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 ; ...
1
vote
2answers
9k views

mdadm rebooted, array missing? can't assemble?

Not sure what is going on with my Array. I rebooted ubuntu 12.04.1 and got a error on startup that fstab couldn't mount the filesystem UUID I have for my mdadm array. After running a few commands a I ...
1
vote
1answer
229 views

What happens to a random bit error in the cache on an Intel CPU?

I have a system with ECC RAM and a Xeon E3 CPU. My understanding is that ECC circuits on the RAM will detect corruption from random bit errors in the RAM chips. But what happens to random bit errors ...
4
votes
3answers
722 views

How do I diagnose network corruption on an Internet path?

I run a few hosts on network A that make requests to servers (which I don't own) on network B, somewhere across the Internet. Unfortunately, many of these requests get corrupted. If I make the ...
0
votes
0answers
79 views

Exchange 2010 VHD Corrupted But Is Not

I am experiencing a strange problem with my Exchange 2010 server. The virtual disk holding all Exchange databases on the Exchange server is acting like it is corrupted. If I run chkdsk E: /F is says ...
1
vote
2answers
314 views

iSCSI no longer recognizing NAS drives

I have two NAS (Seagate Black Armors) connected to our network through iSCSI to a Dell Optiplex 760 running 32-bit Windows 7 and Windows iSCSI Initiator. For some unknown reason, within the last week ...
8
votes
3answers
4k views

Causes of sudden massive filesystem damage? (“root inode is not a directory”) [closed]

I have a laptop running Maverick (very happily until yesterday), with a Patriot Torx SSD; LUKS encryption of the whole partition; one lvm physical volume on top of that; then home and root in ext4 ...
1
vote
0answers
152 views

How do I rebuild a VMhost datastore following a corrupted installation

My server was shutdown at the weekend for a planned power outage to our building. When I tried to the bring the server back up, along with some errors about logical drives that did not exist (now ...
0
votes
1answer
1k views

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 ...
0
votes
2answers
1k views

To salvage data from unresponsive VMWare Infrastructure Web Access Virtual Machine's VMDK file (Win 2003)

Similar to my previous question Cannot delete unresponsive machine on VMWare Infrastructure Web Access on Windows 2003 host and now YET another virtual machine has stopped at 95% (while starting up) ...
3
votes
1answer
290 views

MFT corruption on non boot drive. What could happen?

I have a server that is reporting some error messages related to NTFS corruption. It reports that there is possible corruption within d:\$mft However I have not come across any corruption, or ...
0
votes
2answers
3k 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 ...
2
votes
1answer
478 views

FreeBSD pkg database deleted

after resolving repeated crashes on startup with fsck I noticed some files were removed, one of them was the sqlite pkg database, so now when I run for example pkg install somepackage I get this erro: ...
0
votes
2answers
129 views

Alternatives to SMART for Monitoring HDD Corruption

Given that SMART is unreliable for predicting HDD failure, does anyone have a reliable alternative for automating quick identification of hard drives that are beginning to fail? This is for Windows ...
2
votes
0answers
848 views

ext4 root filesystem corruption under XenServer 6.2 DomU

We're with a problem with filesystem corruption in guest machines in a XenServer 6.2 It only happens in Linux Machines. Randomly the filesystem remounts as read-only and them corruption starts on the ...
0
votes
0answers
70 views

Office Document Corruption

So today I have had a very strange issue. I have a number of office(.doc .docx .xls .xlsx) files become corrupt over night. The majority of these files seem to be on a specific file server, but I ...
3
votes
6answers
16k views

Should I stop MySQL repair?

MySQL database (20 Gigabytes of tables and index) went corrupt. I launched the repair option using MySQL-admin graphic interface, now it has been running for 24 hours. When I have check the MyISAM ...
0
votes
1answer
345 views

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 ...
3
votes
3answers
343 views

Recover from a corrupted couchbase install

We have a couchbase installation on a Windows 2008 R2 server that got corrupted (this was from before my tenure, now I want to clean it up). There is no add-remove entry in the Programs and Features ...
7
votes
1answer
7k views

Unable to resolve data corruption warning with fcsk

In order to create a contiguous space for my file system to grow, I created a new EFI System partition at sda1 so that I can migrate it from the current partition at sda5. The move itself has been ...
1
vote
0answers
141 views

Port corruption using iptables NAT on Enterprise Linux 6

I am trying to setup a captive web portal redirect on CentOS using the following configuration: This configuration works for the first few packets, but then suddenly the destination port is corrupted ...
0
votes
2answers
3k views

MySQL Tables Missing/Corrupt After Recreation

Yesterday I dumped my MySQL databases to an SQL file and renamed the ibdata1 file. I then recreated it and imported the SQL file and moved the new ibdata1 file to my MySQL data directory, deleting the ...
3
votes
4answers
11k views

NTFS file or directory is corrupted or unreadable

Anyone know of a way to delete files from an NTFS filesystem when you get "the file or directory is corrupted or unreadable". This isn't a file which is in use, I think it is genuinely corrupted, and ...
1
vote
4answers
3k views

Remove Corrupt File With Bad File Name Linux

Last night I had a Dovecot server lock up and it corrupted a file in a user's maildir. The file name now has special characters in it and can't be deleted, all command line tools say the file cannot ...
3
votes
1answer
161 views

could fsck -Af -M cause corrupt filesystem?

Last night my server encounter "Read-only file system" error. So then I ran "fsck -Af -M" to trying to repair but no use, these are output: fsck 1.39 (29-May-2006) e2fsck 1.39 (29-May-2006) /: ...
1
vote
2answers
617 views

Copying /var/lib/mysql files over resulted in InnoDB corruption

My server had to be re-installed yesterday so they replaced the hard drive and hooked the old one up via USB. I grabbed the database files (/var/lib/mysql) and downloaded them and then I erased all ...
2
votes
3answers
139 views

zfs on a single device: what happens when a file is corrupted?

It is written everywhere that ZFS is helpful even if you only have one physical device, because it will tell you about data corruption due to bit decay and such. However, can it actually address such ...
17
votes
13answers
255k views

Error 0x80070570: How to delete corrupted and unreadable file?

On my system partition I have a folder which cannot be deleted. This folder has been created by restoring files from an Acronis TrueImage backup. The error message says: Error 0x80070570: The ...
1
vote
0answers
162 views

Network File Transfer Failures using Windows 7 Client and Windows CE “server”

Our company has 3 printers from Solidscape, each of which are controlled by a directly attached Windows CE device. This device exposes a file share via SMB which can be used to drop print jobs to be ...
1
vote
2answers
412 views

Strategies for detecting corruption in Greyhole pools [closed]

Are there any good strategies for proactively detecting data corruption in a Greyhole pool. Suppose the following chain of events happens. c:\> copy swiss_bank_account.txt ...