Questions tagged [diagnostic]
The diagnostic tag has no usage guidance.
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dcdiag fails with SystemLog errors
My domain has 2 DC's and when I run dciag on one I get this error:
Starting test: SystemLog
An error event occurred. EventID: 0x00002716
Time Generated: 08/06/2023 08:05:37
...
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2
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Is it possible to watch the tcp connection packets on a connect call from the command line in linux?
Basically I want to do something like strace ssh user@host and instead of seeing the system calls, I want to watch the tcp connection packets as the connection is established.
I'm having this weird ...
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Cisco UCS C220 M4 PSU Fault In Diagnostics
Hello fellow Sysadmins.
A C220 M4 with the latest recommended firmware I am working on displays the following fault messages on latest version diagnostics at Server Health:
PSU1 PSU1_PWRGD: Power ...
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How to diagnose frequent internet disconnection issue?
We are a small team where we have a internet lease line of 50Mbps from our office space provider (they won't allow other internet providers). We have one Ethernet cable coming from them which is ...
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No Event Logs in Diagnostic on Windows Azure?
I'm trying to get .NET Remoting to work on Windows Azure, with a web role. I get a 500 internal server error when trying to access the URL. I've tried using Azure MMC (http://code.msdn.microsoft.com/...
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Is there any tool or any way to get all processes which are queued in windows?
Is there any tool or any way to get all processes which are queued in windows? i have value of CPU Queue very high
i have few apps running on server. the CPU Queue continue to reach sometimes 3000, ...
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2
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280
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Diagnosing Random Network Lag
I'm having trouble diagnosing some random lag on a 6 server LAMP cluster serving a MediaWiki site. While we're serving some 100 pages/sec the servers themselves are running fine with less than 0.5 ...
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How to make dig to show IP addresses it is sending queries to?
By default when DNS servers do not respond dig does not show any information about the queries being sent. I can use the +qr option to see each query being sent:
$ dig +qr archive.ubuntu.com
; <&...
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11
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Diagnosing permission problems with Cobian Backup to network share
I'm running the latest Cobian 11. I have a Synology DS412 NAS. All of my machines (Mac and Windows) access this just fine when I'm logged in and I browse to it manually.
I have Cobian installed as a ...
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HP ML350 G6 will not power on
I have no lights on MB or back of power supply. I have replaced power supply and added a redundant power supply. I replaced PD board or backplane whatever you want to call it. Still same result. ...
CommunityBot
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Need help diagnosing dell c6100 - No POST
Hi Server Fault Community,
I have 2 nodes in my dell c6100 that are not POSTing, it's the top two nodes (1 & 3). The bottom 2 DO turn on (2 & 4). I need some help identifying which part I ...
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Diagnosing a Linux routing issue: multiple external IPs and several internal subnets with multiple routing tables
This is my first post on stack exchange. First, I'd like to thank this community for over my computer engineering journey I have learned many things here. :)
With this post I am mainly looking for ...
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ARM Template - Azure SQL Database Diagnostics & Log Analytics Workspace
Using an ARM Template I want to enable diagnostics settings for my Azure SQL Database and have that data stored in a Log Analytics workspace I created. I want to enable the errors, timeouts, blocks ...
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Methods for analyzing Red Hat sosreport output?
For some time (since EL 4.6), Red Hat has embedded a system report and troubleshooting tool into the operating system. The tool, sosreport, collects system information and settings and bundles it into ...
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sshfs - howto view load and find bottlenecks
I got 2 dirs mounted by sshfs from remove server. And suspect those make my app so slowly (app generate many i/o operations in this).
I can use fdisk/iostat/iotop for diagnostic HDDs bottlenecks, but ...
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What's the best way to track Jitter and Packetloss
I need to track Jitter and Packet Loss over a MPLS line. What's the most accurate way to capture this information without interfering with the data being sent back and forth?
Is SmokePing the best ...
- 1,213
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How to list Windows process timers?
I have a Windows system that exposes some weird activity at regular timer interval and suspect this originates in a running process.
Is there a tool to list all process timers? No matter it is CLI or ...
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Azure App Service Tiers that Permanently Store Diagnostics Data
I need to permanently store diagnostic data for my webapp. I'm currently running in the Basic tier. If I upgrade to standard or premium, will either of those guarantee permanent diagnostic data ...
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399
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Get MSI log for Active Setup
One of my users has Outlook unable to start with "Cannot start Microsoft Office Outlook. Cannot open the Outlook Window" and I've already ruled out existing add-ins. (This is just for background ...
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3
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How to diagnose frequent segfaults
My server is logging frequent segmentation faults to /var/log/kern.log in different tools. So far I've seen them in Perl, PHP and rsync. All installed software is up-to-date Debian packages. Here's an ...
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Serial over USB during boot
I am currently trying to debug the boot sequence of Xen, and past a certain point, the only way to do it is over a serial connection. Now, on the laptop I'm using there exists no serial port nor an ...
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SQL Service keeps falling over
We have a Windows Server 2012 R2 Datacenter running SQL Server 2016 (SP1)
The SQL Service fails randomly with the following error in the Logs :-
Computer type is Intel(R) Xeon(R) CPU E5-2660 0 @ 2....
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How to troubleshoot a hanging Linux machine [closed]
There is this popular job interview question:
Given a machine hangup (let's say RHEL) how do you trouble shoot the problem?
My answer would be:
1) I'd use (what is the name of that server BIOS ...
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Diagnosing slow active directory logins
I'm having a hard time diagnosing intermittent slow logins on domain PCs.
A bit of information about the network that has this problem:
My domain spans 5 sites, all with VPN connections.
DCs are a ...
- 237
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Microsoft Azure Linux Diagnostic Extension issue
I have enabled LAD in azure Linux VM in ASM mode and have used below command:
azure vm extension set ubuntuclassic LinuxDiagnostic Microsoft.Azure.Diagnostics '3.0' --private-config-path private.json -...
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Linux - Is there any way to identify the speed of your memory through software?
Is there any way to identify the speed of your memory through software? I am on Fedora 9 and looking to find out the speed of the DIMM's I have in there currently.
I have tried a 'lshw' but it doesnt ...
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Why is Postgres sitting 95% idle, with no file I/O?
I have a TileMill/PostGIS stack running on an 8 core Ubuntu 12.04 VM on an OpenStack cloud. It's a rebuild of a very similar system which was running nicely on very similar hardware (same cloud, but ...
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How to start a data collector upon high CPU load condition?
I have a Windows 2008R2 server that experience high CPU load for several minutes about once every couple of weeks.
Unfortunately, when these events occurs, logging into the system through RDP or at ...
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How to set up an end-to-end SNMP data collection system to cloud?
Aim: We are creating a cloud server which will collect diagnostic data (like bytes exchanged, SNR) from remote SNMP enabled network devices (like Routers, Switches).
The SNMP devices may be located ...
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Process in the run queue
How do show the current list of processes and threads currently in the run queue?
That is to say, if my server's load average is 32.1, then there were on the average about 32 processes or threads ...
- 3,860
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Identifying what caused a server reboot
I have an HP ProLiant DL380p Gen8 that is running VMWare ESXi 5.5. It has been rebooting itself at seemingly random intervals for the past 24 hours. There is only a single VM running, and even if I ...
CommunityBot
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Resert IBM system x3650 fault led
I got OVERSPEC, PS1 and PS2 fault led on my x3650. I tried to replace one PS but nothing changes. The power supplyp seems to work properly and it is very strange to broke both PS at the same time.
I ...
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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 ...
CommunityBot
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How can one get a UDE report from Microsoft Fixit Center Pro?
As per this video anybody is supposed to be able to upload their server's logs to the Microsoft Fixit center Pro and get an Automated diagnostic report called UDE.
http://channel9.msdn.com/Shows/...
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How to diagnose failed drive on server with raid storage controller?
I have problem with one of my Dell PowerEdge R210. Machine is with Centos 6, today system logs started to inform that the hard drive is failing.
Jan 6 03:20:12 centos6 kernel: LSI Debug log info ...
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How do I detect what is changing file ownership on Linux?
I have inherited a bunch of Linux (Ubuntu Precise) servers and am currently having problems with the ownership of a folder changing to "root" fairly often. We run puppet, which changes the ownership ...
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What does "-k start" mean in the output of ps command
I try to run an apache instance. It doesn't run properly. I am trying to get some diagnostic information. I gave ps command and the apache instance that don't run properly are output with -k start. ...
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Should I run rsop as administrator or as domain user?
I have to diagnostic some AD policy on a windows7 client. So I want run rsop but I dont know if I have to run it as administrator (local) or as domain limited user.
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Server memory configuration after upgrade
I have an IBM 346 server that can support up to 16GB of memory. It previously had 8GB installed (8x 1GB slots) and was working fine. I have upgraded it to 16GB using 8x 2GB slots. However now when the ...
CommunityBot
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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 ...
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How to test SCSI drives faulty or not?
I have 10 scsi drives which are used. How do I test them to ensure they are working correctly? Some have red stickers presumably indicating they are faulty. The server I have access to is an IBM with ...
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Is there an app that can provide details about wifi access point config?
I'm wondering if there is an easier way to determine of the following parameters of a wifi network. For users who already have say a laptop connected to a wifi network.
Does wifi network support PS-...
CommunityBot
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How to test a connection without telnet? [closed]
I'm trying to test whether machine A can connect to machine B on certain ports. The sysadmins of machine A have seen fit to remove the telnet command. What would be a convenient replacement? Machine A ...
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Is there a complete reference for HP's diagnostic port 84 and/or port 85 codes?
The HP ProLiant DL580 systems (G5 is the one I'm interested in at the moment) have a two-digit 7-segment display on the system board (visible only inside the chassis) which displays various diagnostic ...
CommunityBot
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3
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Snapshot of system at high load times?
I'm seeing high load average at regular times on one of my sites. I have alerts setup, but it's not obvious what's causing the high load, so I'd like to capture the state of the system when the alert ...
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Cisco ASA Becomes Non-responsive
I have a client that has a Cisco ASA 5505 that sits between their router (provides VOIP phone service) and their Cisco 3550 (Very old version of IOS) that they use as a "Core" switch. This works well ...
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Hardware Diagnosis: Different Ram, Same Memtest Failure
Trying to diagnose random hardware freezes and did the natural thing; started memtesting everything.
DDR400 DDR2 Ram CAS 5-5-5-18
Four sets of sticks; 2x2GB PNY's and 2x1GB Elixirs
So far I've ...
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What diagnostic tools for diagnosing problems on Ubuntu? [closed]
I recently had an ubuntu server slow to its knees, and when trying to figure out why I realized it didn't have iostat installed. The system was stressed out to the point where I couldn't install the ...
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Are my disks within this MSA storage failing?
When I go into my HP Array Configuration Utility, there is no errors and and warnings. No visible amber lights either. Should I swap out the disks? This Windows server lost the storage about 4 times ...
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CPU Diagnostic Software
Is there any decent (preferably free) CPU diagnostic software out there? It would need to be either *nix compatible or bootable because this is an ESXi server, and does not run Windows or a proper GUI....
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