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0
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2answers
76 views

2.6 Kernel Linux with EXT4 running HTTPD; power cord gets pulled out, what happens?

Can someone explain to me the ramifications of this? CentOS 6.3 with httpd 2.15, with one mod perl site and one php site. Someone pulled the power cord right out. I heard from one person that the ...
2
votes
1answer
1k views

Server hangs at “Shutting down loopback interface” on reboot

I'm having some trouble understanding what's going on with connecting one of our Xen hypervisors to our iSCSI SAN. Ever since we mounted our iSCSI targets, we've experienced hanging on reboots. This ...
8
votes
1answer
276 views

Dell PowerEdge server crashed, how to repair? What happened? Information inside

I am currently in high school and run our school's website. This summer, our SysAdmin was diagnosed with cancer, and he went off for treatment, so I have been thrown into an interesting situation. ...
0
votes
1answer
158 views

Why does the mysql backup grow if a table is crashed?

I use this backup script on my debian squeeze server to create a backup of all mysqltables: #!/bin/sh BACKUP_DIR=/var/backups/mysql/ DATE=$(date +%Y-%m-%d) for i in /var/lib/mysql/*/; do ...
3
votes
2answers
3k views

Is a hardware watchdog already active at my CentOS server?

I rent a dedicated server (with Intel Haswell CPU and custom hardware) at a lowcost hosting service and use it with CentOS 6.4 / 64 bit Linux (with stock kernel: 2.6.32-358.14.1.el6.x86_64). Every ...
0
votes
2answers
1k views

How can i find out what crashed my Windows Server 2008 R2 box?

My file server just went belly up and I can't seem to figure out why. Perhaps I'm naive but when these things happen I can typically look through my System, Application or Security Event Viewer log ...
-2
votes
3answers
100 views

Stop server crash [duplicate]

I run my python scripts and Scrapy framework for web scraping project on my Ubuntu 12.04 precise server. These scripts run whole day. This project is under developing/testing stage. So i dont know ...
0
votes
1answer
60 views

Linux server hangs and memory hits zero [closed]

I run a Debian Linux server (with Apache 2 and MySQL) on a virtual private server with 256 MB memory. (I also use swapspace package.) The system hanged. The memory graph (provided by the hoster) ...
0
votes
1answer
172 views

Anybody experiencing full system lockups with LUKS?

I've recently setup a couple of new servers. This time I'm encrypting most of my partitions using dmcrypt+LUKS. However these new servers crash very often, every few days. Full lockups, kernel does ...
1
vote
0answers
354 views

Server 2012 DFS New Member Issue

I am trying to add a new member to our DFS topology. We have 3 DCs (VMs - VMware) running Windows server 2012, two servers are located in or Primary site and the third at our DR site. Currently the ...
2
votes
1answer
1k views

Kernel oops on Linux running in VirtualBox breaks some IO-related functionality on the server

We are having problems with CentOS release 6.3 running in VirtualBox on Windows 7 machines. The symptoms are the following: Everything works as normal for several hours, even days. Then something ...
3
votes
0answers
1k views

Analyzing BSOD dump file from Windows 2008 R2 SP1

I have a problem with a virtual Windows Server 2008 R2 SP1 server running withing VMWare. The server is running Citrix and also has Symantec Endpoint protection installed. It randomly crashes and goes ...
-2
votes
1answer
643 views

Server Crashes randomly [closed]

I have a problem, VM server 2008 R2 SP1 , running citrix is randomly crhasing, in event log I found following: The computer has rebooted from a bugcheck. The bugcheck was: 0x0000003b ...
0
votes
2answers
407 views

Nginx stops serving passenger app (503)

I'm deploying a rails app through passenger and nginx (utilizing an elastic-search server which is running on the same machine) on a Ubuntu system. This works perfectly for about twelve hours. Then, ...
0
votes
1answer
349 views

Asterisk server warning “Unexpected control subclass”

I am not sure why, but our asterisk server keeps having loads of agents (15) on status ready and calls waiting for them, it seems to be griving us this error in our event log. WARNING[7159] file.c: ...
0
votes
0answers
291 views

server crashed, need help in analyzing why

My server crashed today, suddenly. those are the logs from /var/log/messages before it crashed. please help me undestand what is the reason Apr 10 21:40:37 stephan kernel: audit_log_start: 242 ...
1
vote
1answer
219 views

Server crash when creating a swapfile on a running machine (CentOS Linux)

I created a swap file with root on a running server, using swapfile creation guides which I found on the net (http://blog.serverbuddies.com/adding-additional-swap-space-to-your-linux-server/m Create ...
1
vote
1answer
156 views

Apache2 reload and System Crash

Reloading Apache2 caused Ubuntu 11.04 to Hang/Crash. Load average was 32 CPU Cores:8 Model: Intel xeon E5620 RAM:16 GB Kernel :2.6.38-13-generic Apr 6 09:05:11 406852 kernel: [3715446.033031] ...
2
votes
1answer
754 views

Analyzing crash dump file from Windows 2003 R2 SP2

My Windows 2003 R2 SP2 server crashes about once a month. I analyzed the crash dump but can't really figure out what it means. Any help is appreciated.... Microsoft (R) Windows Debugger Version ...
0
votes
0answers
284 views

When Windows 2008 crashes, the complete memory dump is not written to disk

I have followed the instructions given here: http://support.microsoft.com/kb/969028 by the letter, but Windows doesn't seem to write a full memory dump. I use NotMyFault.exe to blue screen the system ...
0
votes
0answers
218 views

Postgres segfault on Ubuntu 12.04 64

i have a unbelivable problem: Ubuntu server 12.04 64 bit running on Wmware Infrastructure, postgres 9.2 and django connecting via psycopg. Randomly postgres crashes with segfault, si i restart it an ...
1
vote
1answer
392 views

ubuntu server becomes unresponsive via web, ftp, ssh and more

I have a ubuntu server hosted and a couple of times it becomes unresponsive to everything, until a hard reboot is done.. i have pulled the logs but i need a little bit of help working out what they ...
0
votes
2answers
7k views

Cannot start kdump

My system always crashes down. So I decided to enable kdump to see the problem since I was not able to see possible errors on the log files. I followed the steps to set up kdump from a site here. My ...
0
votes
2answers
97 views

Is kdump not installed when /etc/kdump.conf is missing?

I have CentOS 5.8 system. And I want to set up the kdump. I was following this configuration steps on kdump. However I was not able to locate /etc/kdump.conf. I tried using the find and locate command ...
0
votes
2answers
157 views

Ubuntu Server crashes on file transfers

Upon transferring some files across server disks I lost connection and the server crashed. Plugging in a Screen showed no response at all. I had to reset the Server, which then boots normally. At ...
10
votes
4answers
3k views

How to use kdump/crash to investigate an OOM issue?

The problem A server crashed after multiple "Out of memory" messages and I am trying to pinpoint the culprit. If it is in userland - which process. If it is in the kernel - which kernel module. ...
1
vote
1answer
84 views

MySQL InnoDB Backup: are dump files enough?

What exactly does the default ibdata1 file store that does not exist in a mysqldump? I've got a backup/rsync job that stores dump files of a MySQL 5.5 database on a remote server for rotating ...
1
vote
1answer
739 views

Avoiding memory full -> swap full -> crash

I'm experiencing an issue when sometimes the memory gets 100% full, and the swap file also, and the server becomes non-responsive and has to be restarted (causing also problems in database). This is ...
0
votes
2answers
840 views

Server failed, can I retrieve my database from the my hard disk?

I have an old server running Windows Server 2003 R2. Windows got corrupted due to an improper shutdown. I attempted to repair the Windows installation, but it made things worse (it gets to the ...
1
vote
3answers
140 views

Random crashes on my WIndows server machine

This week I am getting curious random crashes on one of my Windows machines. Crash always ends with BSOD but with random error codes in random system drivers. No record in Event log. So first guess ...
1
vote
2answers
469 views

Web Server crashing due to memory errors. It's like clock work

I have an IIS server that is crashing at about 3:15 am every Friday and Saturday. I understand that swapping out DIMM A in Bank 1 would probably fix the issue. But I would like to hopefully resolve ...
2
votes
3answers
281 views

memtest86+ crashing on server

We have a few DELL 1950 servers. One of those servers has CentOS6.3 and it's randomly rebooting, so I suspected it was hardware (no log generated). The other four servers do not randomly reboot. We ...
1
vote
1answer
124 views

Coldfusion autorestart

Coldfusion is automatically restarting, a lot. It comes in waves, everything seems fine for a while then the server struggles for a few minutes, restarts a lot then settles down again. I have Fusion ...
2
votes
1answer
4k views

ESXI Crash need help to understand log and support about nexentastor on virtual machine

If i understand right, the following core dump means that the cpu4 has crashed the Host if i read the next line it seem that at the time the CPU 4 was assigned to the NexentaStore Vm ... SO if im ...
0
votes
1answer
37 views

Activating ssl on tomcat

I want to encrypt the http traffic on a tomcat instance via ssl. Therefore I followed the most simplistic approach described on various webpages. But anyway it simply does not work. Here is what I ...
2
votes
1answer
1k views

Apache httpd processes and PHP out of memory

I have a VPS running apache-php-mysql on centos and a single drupal website installed. The VPS has 256MB of RAM (could be the root cause of all my problems... maybe I just need more). Whenever I try ...
7
votes
2answers
2k views

What can cause ALL services on a server to go down, yet still responding to ping? and how to figure out

It has happened to me already twice within very few days that my server goes down completely, meaning http, ssh, ftp, dns, smtp, basically ALL services stop responding, as if the server had been ...
0
votes
1answer
100 views

Sorting things out after an ESXi crash [closed]

I have recently experienced some crashes on my ESXi server, and I cant really figure out why it is happening. Are there any logs that are useful anywhere? I have read somewhere on the internet that ...
4
votes
1answer
269 views

Crash dump analysis

I hope this isn't a stupid question, and if it is, then I want to at least get it over with so I don't feel so dumb in the future. Here we are, loading up a Windows crash dump with Windbg. Here are ...
1
vote
1answer
433 views

Analyzing crashdump, wrong symbols

I am having trouble analyzing a crashdump with windbg. I run: .sympath SRV*c:\symbols*http://msdl.microsoft.com/download/symbols .reload /f /i To get the symbols. All symbols seem to have ...
1
vote
0answers
102 views

Ubuntu 10.04 Xen guest - why would time drift be proportionate with the system load?

We are trying to troubleshoot an issue with random system lockups during medium - heavy loads on an Ubuntu MySQL 5.1 server. There is nothing logging into the system during these lockups. The only ...
1
vote
2answers
5k views

apache crashing

Please help with some ideas about this Apache server crash: Here is my MPM config and errors <IfModule prefork.c> StartServers 5 MinSpareServers 30 MaxSpareServers 40 ServerLimit ...
-1
votes
1answer
138 views

How to cope with 10,000 people accessing a webserver in an hour? [closed]

I have a share hosting, and I charge 100$/year to host company websites. Those websites have a maximum of 2000 person per month access onto the site, mostly Wordpress. So everything is fine until a ...
3
votes
2answers
468 views

Debian Linux server locked - no clues in the logs?

I had a server lock up this morning. Here is a screen shot from the console: None of the messages from the screen shot mean anything to me. I have a feeling that the important stuff probably ...
2
votes
1answer
6k views

PAM unable to dlopen(/lib64/security/pam_fprintd.so) causing CentOS/Redhat server to crash

CentOS 6, Parallels PLESK 10.4, Apache One of my servers went down over the weekend much to my dismay. On the day and time it occurred, my log errors/messages end with this - /var/log/secure: Jul ...
1
vote
1answer
399 views

Troubleshooting debian 6 server restarts

A day ago I have installed Mono 2.10 ( for C# 4 support ). Since then server was randomly restarting whenever there is C# app running with no error messages or anything. uname -a Linux ...
1
vote
2answers
664 views

Diagnose hard lockup on Linux

During past month one of my Debian Squeeze (Linux 2.6.32-bpo.5-amd64) machines did lock up twice, hard. No response to ARP, dark console, Caps Lock, Num Lock not working, Magic SysRq ineffective. ...
-2
votes
2answers
450 views

Amazon Micro Instance Crashed - Help Me Figure Out Why?

I am running an Amazon AWS Micro Linux Instance and it crashed during some "light" usage a few days ago. I am running an app that uploads photos to the server. We had maybe 10 users uploading multiple ...
-1
votes
1answer
342 views

Windows server 2008r2 crashed overnight - dump log [closed]

My windows server crashed overnight last night with a BSOD. I managed to get a log of the dump file which is here, it appears as if google chrome was the culprit, was wondering if anyone with more ...
0
votes
1answer
124 views

BackupExec 10d crashing 2k3 server

There are two weeks now since I'm doing repository-like backup, because BE10d is crashing the file server. The computer is a NEC Express 5800, 2xXeon, 1 GB RAM, 4 SCSI drives in RAID 5 w/ spare, one ...