Performance test via a netboot - Revision history

Acordemy6bd86 at 20:41, 13 March 2023

2023-03-13T20:41:07Z

Acordemy6bd86 at 20:39, 13 March 2023

2023-03-13T20:39:41Z

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2023-03-13T20:34:50Z

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[[:fr:Test de performance via un netboot]][[fr:Test de performance via un netboot]]
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<center>[[File:Ico_Ded.png| 100px]] [[File:ROUAGEikl-12-2021.png| 100px]] </center>

When using your [https://www.ikoula.com/fr/serveur-dedie dedicated server]you may need to boot your server on a backup system called ''' Netboot '''.
Netboot, commonly known as SystemRescue, is an open source operating system, designed to be used without installation to allow administration, restoration or repair of an already installed system on a desktop, laptop or computer server.
Among other things, it allows operations to be performed on a system that no longer boots in normal mode. It completely isolates the equipment from the existing configuration.

In this article, you will find useful commands to test your hardware.

=== Launching the Netboot ===

To start your dedicated server in this mode, vous devez vous connecter à votre [https://extranet.ikoula.com/ Extranet] 
Go to "Serveur physique" and choose the server you are interested in.

Then in the list of features go to Netboot.

[[File:Lancement_netboot.png]]

 ''' /!\ Pour rappel, les informations de connexion au serveur en Netboot sont les identifiants reçus lors de la livraison de votre serveur /!\ ''' 

=== Check the temperature ===

The command '''sensors''' command allows you to display the processor's temperatures.

During the various performance tests, it may be useful to run the

 '''watch sensors''' 

This command will continuously monitor the machine's processor temperatures.

=== Check the integrity of the processor ===

The command '''stress''' command will stress the processor. Thus, the command

 '''stress --cpu 8 --io 4 --vm 2 --vm-bytes 128M --timeout 60m''' 

command will work the processor and memory and test your I/O for 60 minutes.

This is the '''--timeout''' option that will set the stress time.

If the test stops unexpectedly in full operation, the processor is no longer able to bear the load and/or is getting too hot.

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=== Check the health of the hard disk ===

Before performing this test, the structure of the disks must be known.

The command '''fdisk -l''' command allows you to consult the partitions present, their types, their locations and their sizes.

[[Fichier : Disk_lvm.PNG | 500px ]]

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=== Check the health of SATA drives ===

The command '''smartctl''' command allows you to perform a complete test of your hard disk. The following command:
 '''smartctl -d ata -a -f old /dev/<disque>''' 

allows you to have all the useful information about your disk and its current state.

To test your hard disk, run the command:
 '''smartctl -t short /dev/<disque>''' 
Replace ''short'' with ''long'' for a longer and more complete test.

''''' /!\ Replace /dev/<disque> with the name of your disk (/dev/sda, /dev/sdb, etc...) /!\ '''''

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=== Check the health of the NVME disk ===

Always with the command '''smartctl'''command, the following command:

 ''' smartctl -a /dev/nvme0n1''' 

will also give you all the information you need about your NVME and its current status.

At the end of the test, you will receive a detailed report of the test.

== Check RAM memory ==

This is the '''memtester''' command, which will test the integrity of your memory. It is preferable to test the entire memory capacity of your machine.

To do this, type the command:
 '''memtester 16g 2 '''
where you replace 16g with the amount of memory you have (g for giga) and the 2 indicates the number of times the test should be performed.

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If you have encountered any difficulties in following this article, or if you would like to provide any information about it, our technical support team is at your disposal:

* 24h/24 et 7j/7 par ticket depuis votre Espace client
* Du lundi au vendredi de 9h à 19h au 01 84 01 02 50


[[Category:netboot]]
[[Category:Dedicated server]]

@@ Line 22: / Line 22: @@
 === Launching the Netboot ===
-To start your dedicated server in this mode, <b><i style="color:#FF7828">vous devez vous connecter à votre [https://extranet.ikoula.com/ Extranet]</i></b> </br>
+To start your dedicated server in this mode, <b><i style="color:#FF7828">you need to log in to your [https://extranet.ikoula.com/ Extranet]</i></b> </br>
-Go to <b><i style="color:#FF7828">"Serveur physique" </i> </b> and choose the server you are interested in.</br>
+Go to <b><i style="color:#FF7828">"Physical server" </i> </b> and choose the server you are interested in.</br>
 Then in the list of features go to  <b><i style="color:#FF7828">Netboot</i></b>.
-[[File:Lancement_netboot.png]]
+[[File:Netboot_launch.png]]
-<span style="color:#1e195a"> ''' /!\  Pour rappel, les informations de connexion au serveur en Netboot sont les identifiants reçus lors de la livraison de votre serveur /!\ ''' </span>
+<span style="color:#1e195a"> ''' /!\  As a reminder, the connection information to the server in Netboot are the identifiers received when your server was delivered /!\ ''' </span>
@@ Line 106: / Line 106: @@
 If you have encountered any difficulties in following this article, or if you would like to provide any information about it, our technical support team is at your disposal:
 <b>
-* 24h/24 et 7j/7 par ticket depuis votre Espace client
+* 24h/24 et 7j/7 by ticket from your Customer Area
-* Du lundi au vendredi de 9h à 19h au 01 84 01 02 50
+* Monday to Friday from 9am to 7pm on 01 84 01 02 50
 </b>
 [[Category:netboot]]
 [[Category:Dedicated server]]

@@ Line 64: / Line 64: @@
 The command '''fdisk -l''' command allows you to consult the partitions present, their types, their locations and their sizes.
-[[Fichier : Disk_lvm.PNG | 500px ]]
+[[File: Disk_lvm.PNG | 500px ]]
 ----