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5
votes
1answer
74 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 ...
2
votes
0answers
91 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
66 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
106 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
1answer
87 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 ...
0
votes
0answers
48 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
0answers
64 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
759 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 ...
3
votes
1answer
143 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 ...
2
votes
1answer
269 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
0answers
243 views

Force filesystem check on Ubuntu Server 12.04.4 LTS

My root filesystem has errors. I have made sure that errors will be automatically corrected: root@host1 ~ » grep FSCKFIX /etc/default/rcS FSCKFIX=yes And then forced a filesystem check during ...
0
votes
2answers
95 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 ...
1
vote
0answers
567 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
66 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 ...
0
votes
1answer
125 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
1answer
3k 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 ...
4
votes
2answers
3k 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

VDA Disk Fail / Virtual machine corrupt

I am hoping I can get some help here. I have a server that is hosted with a very large server hosting company and today the server became unavailable. On contacting the company they said that the ...
1
vote
0answers
105 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
1answer
184 views

Why does Bamboo + msbuild + DeployOnBuild create corrupt zip files?

I apologize if this is in the wrong place. I am a stackoverflow guy, but i need some server help. Since my problem seems confined to one of our build agent servers, i think its a server issue. I am ...
1
vote
4answers
1k 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
127 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) /: ...
2
votes
3answers
114 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 ...
1
vote
0answers
93 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 ...
0
votes
0answers
75 views

Errors after moving DB from server

I am moving a database (MS SQL Server) from a server to a new one (virtual machine). Running CHECKDB on the original server I get no errors, the DB is OK. After moving the DB to the new server and ...
1
vote
0answers
102 views

Running SpinRite on SAN attached LUN with NTFS corruption

Got a customer that has an issue with NTFS corruption that is popping up on SAN attached storage. The LUN is RAID-10 (4:1 spindle ratio). The machines are Windows Server 2003 (64-bit), and they are ...
2
votes
1answer
407 views

Why do I keep getting bad index files with Git [closed]

I keep getting the following error: error: bad index file sha1 signature fatal: index file corrupt And I know the short term solution is just to delete the index and away you go but my question is, ...
0
votes
1answer
288 views

iSCSI and NFS file locking and concurrency

I've got a linux host that need to mount a data share located on a NAS. The choice is between NFS v3 (NAS limitation) and iSCSI. The initial idea was to have a NFS mount to the file server that ...
-2
votes
1answer
65 views

Linux Server HDD Corrupted

Today I put my forum offline just before scheduled Cpanel backup. An hour later when I checked it says DATABASE error occured(or whatever the database error was) I logged into SSH and perform reboot. ...
0
votes
2answers
428 views

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 ...
1
vote
2answers
495 views

Escape windows repair install and start in normal boot?

I have a corrupted file in the OS (running a poweredge t410, windows server 2003 RT). Booting up in safe mode shows it stopped at acpitabl.dat. Google results led me to believe that the update.sys ...
2
votes
1answer
948 views

win2008r2: Delete corrupted directory without reboot

I have a recurring annoying issue on one of my Windows 2008 R2 Web edition servers. The drive in question happens to be a SSD, though I doubt that is relevant. I have a script that I run when I want ...
6
votes
2answers
747 views

Why did I experience checksum errors with a ZFS filesystem on an ESXi RDM?

I have a VMware ESXi 4.1 server which I recently added 2x1TB SATA drives to. This machine runs a NexentaStor Community VM which hosts ZFS filesystems. Before adding the new drives, all the ZFS zpools ...
0
votes
1answer
362 views

MySQL Corrupt Table - No Space left - Index File too big

I noticed that one of my servers was running out of disk space, due to heavy MySQL usage. I stopped everything using the database, freed up some space and restarted mysqld. Now, I checked my table ...
0
votes
2answers
239 views

MySQL: Increased buffer pool, ibdata1 corrupt?

I tried increasing innodb_buffer_pool_size via my.cnf from default 128m to 256m, but on restart attempt, mysql shutdown failed with: 130125 11:49:55 InnoDB: Initializing buffer pool, size = 256.0M ...
1
vote
0answers
89 views

recover corrupted directory from ext3 partition

It's my mounted directory that i want to restore folder ostani. it's containt many php, css, js and etc files. how can i access. I use dd_rhelper for create an image and try to fsck to repair it. but ...
11
votes
2answers
1k views

Making SD card corruption-proof

My embedded linux device uses an SD card for saving certain diagnostics data, far too copious for internal flash. The problem is if the device is switched off unexpectedly, the filesystem (FAT32) on ...
0
votes
2answers
339 views

MySQL Tweaking for performance

[mysqld] myisam_repair_threads=4 key_buffer = 64M myisam_sort_buffer_size = 32M join_buffer_size = 2M read_buffer_size = 2M sort_buffer_size = 2M read_rnd_buffer_size = 2M table_cache = 1024 ...
0
votes
3answers
377 views

How can I prevent silent corruption on a dying hard drive? [closed]

With a drying drive (that has more and more bad sectors), on an ext4-journaled partition, a cp operation will sometimes complete without error, but the written data will either be wrong, or just won't ...
0
votes
1answer
252 views

ran fsck on a mounted partition, now centos 5 won't boot

Yes, I very stupidly ran fsck on a mounted parition. Immediate regret. What's happening now is I see grub, it starts booting centos 5, then it says: bin/sh: ro: no such file or directory kernel ...
1
vote
2answers
7k 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
0answers
315 views

Corrupt mysql system tables

I am having issues with the columns_priv table in the mysql system database. I cannot add new users currently. I have tried repairing it using mysqlcheck --auto-repair --all-databases --password but ...
0
votes
1answer
122 views

Why would an ext3 filsystem be rolled back on a Debian VM running in VirtualBox after loss of power to the host

A Debian Virtual machine runs as a Guest VirtualBox VM. It's filesystem is EXT3. The host system loses power and after booting up the host system and guest VM, I find that the VM's filesystem has been ...
3
votes
3answers
231 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 ...
4
votes
2answers
2k views

How can I track down the cause of ext3 filesystem corruption?

We have a VMware vSphere 5 environment running CentOS 5.8 virtual machines. In the past two weeks we have had five incidents of virtual machines having a filesytem become corrupt, requiring an fsck to ...
0
votes
1answer
200 views

Corrupt label; bad magic number

While trying to install Solaris 10 on a Sun Blade 2500 Silver, I got an error: OpenBoot indicates me a problem with the hard drive: "Corrupt label; bad magic number". Later, during the Solaris ...
14
votes
4answers
919 views

How to store data on a machine whose power gets cut at random

I have a virtual machine (Debian) running on a physical machine host. The virtual machine acts as a buffer for data that it frequently receives over the local network (the period for this data is ...
2
votes
2answers
124 views

Single file changed: intrusion or corruption?

rkhunter reported a single file change on a virtual server (netstat binary). It didn't report any other warning. The change was not the result of a package upgrade (I reinstalled it and the checksum ...
2
votes
1answer
233 views

Which is more durable? MyISAM or InnoDB with innodb_flush_log_at_trx_commit=0 [closed]

I am trying to determine the difference in durability between MySQL's MyISAM and InnoDB when innodb_flush_log_at_trx_commit=0. I am aware of the some of the benefits of InnoDB with ACID. However, ...
1
vote
2answers
249 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 ...