ECS: Sådan tilføjes eller fjernes en DNS-server

Summary: Denne artikel beskriver, hvordan du ændrer ECS DNS-konfigurationen.

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Instructions

Vigtig bemærkning: ECS-funktionaliteten er stærkt afhængig af korrekt DNS-opløsning. Hvis DNS ikke fungerer korrekt, kan det resultere i en DU-tilstand (Data Unavailable ).

Før du ændrer DNS-indstillinger, skal du altid bekræfte med kunden.

Bemærk: En ny funktion frigives i xDoctor 4-8.104.0 og nyere. Dette er nu automatiseret med xDoctor til hurtigt at forsøge at finde den potentielle årsag til xDoctor RAP075 fejl. Hvis scriptet ikke er i stand til at rette xDoctor RAP075-fejlene, giver det et detaljeret resumé af dets resultater.

For mere information, følg artiklen ECS: ObjectScale: Sådan køres KB-automatiseringsscripts (autopilot) (Log på som registreret Dell Support-bruger er påkrævet for at se denne artikel). Hvis du ikke kan opgradere til xDoctor 4.8.104 eller nyere, skal du følge afsnittet Manual i denne artikel.

Proces:

  1. Sådan finder du masternoden på racket:
Kommando: 
# ssh master.rack
Eksempel: 
admin@ecsnode5:~>  ssh master.rack
admin@ecsnode1:~>
  1. For at finde NAN IP kan du bruge den IP, der er identificeret i advarslen eller fra getclusterinfo -i til dit mål med dette script:
Kommando: 
# getclusterinfo -i
Eksempel: 
admin@ecsnode1:~> getclusterinfo -i

Registered Racks
================

Ip Address        epoxy   seg mac             seg color    seg id    NAN Hostname
===============   =====   =================   ==========   =======   ============
169.254.1.1      False   00:00:00:00:00:00   red          1         provo-red.nanlocal
Node private      Node              Public                                BMC
Ip Address        Id       Status   Mac                 Ip Address        Mac                 Ip Address        Private.4(NAN)    Node Name
===============   ======   ======   =================   ===============   =================   ===============   ===============   =========
192.168.219.1     1        MA       00:00:00:00:00      0.0.0.0           00:00:00:00:00      192.168.219.101   169.254.1.1       provo-red
192.168.219.2     2        SA       00:00:00:00:00      0.0.0.0           00:00:00:00:00      192.168.219.102   169.254.1.2       sandy-red
192.168.219.3     3        SA       00:00:00:00:00      0.0.0.0           00:00:00:00:00      192.168.219.103   169.254.1.3       orem-red
192.168.219.4     4        SA       00:00:00:00:00      0.0.0.0           00:00:00:00:00      192.168.219.104   169.254.1.4       ogden-red
192.168.219.5     5        SA       00:00:00:00:00      0.0.0.0           00:00:00:00:00      192.168.219.105   169.254.1.5       layton-red
192.168.219.6     6        SA       00:00:00:00:00      0.0.0.0           00:00:00:00:00      192.168.219.106   169.254.1.6       logan-red
192.168.219.7     7        SA       00:00:00:00:00      0.0.0.0           00:00:00:00:00      192.168.219.107   169.254.1.7       lehi-red
192.168.219.8     8        SA       00:00:00:00:00      0.0.0.0           00:00:00:00:00      192.168.219.108   169.254.1.8       murray-red
Status:
M - Master, S - Slave
E - Epoxy
I - Initializing, U - Updating, A - Active
P - On, O - Off
! - Warning/Error list:
    1 -(W) Hostname set to default hostname set by installer


169.254.2.1      False   00:00:00:00:00:00   green        2         tucson-green.nanlocal
Node private      Node              Public                                BMC
Ip Address        Id       Status   Mac                 Ip Address        Mac                 Ip Address        Private.4(NAN)    Node Name
===============   ======   ======   =================   ===============   =================   ===============   ===============   =========
192.168.219.1     1        MA       00:00:00:00:00      0.0.0.0           00:00:00:00:00      192.168.219.101   169.254.2.1       provo-green
192.168.219.2     2        SA       00:00:00:00:00      0.0.0.0           00:00:00:00:00      192.168.219.102   169.254.2.2       sandy-green
192.168.219.3     3        SA       00:00:00:00:00      0.0.0.0           00:00:00:00:00      192.168.219.103   169.254.2.3       orem-rgreen
192.168.219.4     4        SA       00:00:00:00:00      0.0.0.0           00:00:00:00:00      192.168.219.104   169.254.2.4       ogden-green
192.168.219.5     5        SA       00:00:00:00:00      0.0.0.0           00:00:00:00:00      192.168.219.105   169.254.2.5       layton-green
192.168.219.6     6        SA       00:00:00:00:00      0.0.0.0           00:00:00:00:00      192.168.219.106   169.254.2.6       logan-green
192.168.219.7     7        SA       00:00:00:00:00      0.0.0.0           00:00:00:00:00      192.168.219.107   169.254.2.7       lehi-green
192.168.219.8     8        SA       00:00:00:00:00      0.0.0.0           00:00:00:00:00      192.168.219.108   169.254.2.8       murray-green
Status:
M - Master, S - Slave
E - Epoxy
I - Initializing, U - Updating, A - Active
P - On, O - Off
! - Warning/Error list:
    1 -(W) Hostname set to default hostname set by installer

 

  1. Kør automatiseringskommandoen fra masternoden med xDoctor 4-8.104.0 og derover.  Denne automatisering er menustyret med valideringstrin gennem hele udførelsen.

Bemærk: Følgende valideringer finder sted, før den nye DNS-server-IP tilføjes:

    • Valider DNS-opslag videresendelse.
    • Valider omvendt DNS-opslag.
    • Valider og vis uoverensstemmelse i DNS-opslag.

Kommando:

# sudo xdoctor autopilot --kb 19614 --target-rack <rack color>

Eksempel: (I dette eksempel arbejder vi på rack 1)

admin@ecsnode1:~> sudo xdoctor autopilot --kb 19614 --target-rack red

Using /etc/ansible/ansible.cfg as config file
VERSION: 3.0
Playbook tasks: 66
Role tasks: 28
Total tasks: 94 across 1 host(s)

 

Mulighed for automatiseringsscript:

  1. Vælg den indstilling, du vil udføre Føj en DNS-server til konfigurationen eller Fjern en DNS-server fra konfigurationen.
TASK [Ask user if they want to change DNS IP configuration or DNS search configuration] **********************************************************************************************************************
[Ask user if they want to change DNS IP configuration or DNS search configuration]
******************************************************************************
Please select one of the following options to change DNS IP or DNS search configuration:
******************************************************************************
(1) Change DNS IP configuration.
(2) Change DNS search configuration.

(0) Exit
******************************************************************************"

 

  1. Ændring af DNS IP-konfiguration. 
TASK [Ask user if they want to add or remove a DNS server] ***************************************************************************************************************************************************
[Ask user if they want to add or remove a DNS server]
******************************************************************************
Please select one of the following options to add or remove an DNS server:
******************************************************************************
(1) Add an DNS server to the configuration.
(2) Remove an DNS server from the configuration.

(0) Exit
******************************************************************************
:
    1. Skift DNS IP-konfiguration -(1) Føj en DNS-server> til konfigurationen.
TASK [Ask for DNS server IP if adding] ***********************************************************************************************************************************************************************
[Ask for DNS server IP if adding]
******************************************************************************
Enter the IP of the DNS server you want to add:
******************************************************************************
:
    1. Skift DNS IP-konfiguration ->(2) Remove an DNS server from the configuration
TASK [Prompt user to select DNS server to remove] ************************************************************************************************************************************************************
[Prompt user to select DNS server to remove]
*******************************************************************************
Enter the letter of the DNS server you want to remove:
*******************************************************************************

(0) Exit
*******************************************************************************
:

 

  1. Skift DNS-søgekonfiguration.
TASK [Ask user if they want to add or remove a DNS search domain] ********************************************************************************************************************************************
[Ask user if they want to add or remove a DNS search domain]
******************************************************************************
Please select one of the following options to add or remove an DNS search domain:
******************************************************************************
(1) Add a DNS search domain.
(2) Remove a DNS search domain.

(0) Exit
******************************************************************************
    1. Skift DNS-søgekonfiguration. -> (1) Tilføj et DNS-søgedomæne.
TASK [Ask for DNS search domain if adding] *******************************************************************************************************************************************************************
[Ask for DNS search domain if adding]
******************************************************************************
Please enter the DNS search domain you want to add:
******************************************************************************
:
    1. Skift DNS-søgekonfiguration. -> (2) Fjern et DNS-søgedomæne
TASK [Prompt user to select DNS search domain to remove] *****************************************************************************************************************************************************
[Prompt user to select DNS search domain to remove]
******************************************************************************
Please select the DNS search domain you want to remove:
******************************************************************************
(a) xxxx.xxxx.com

(0) Exit
******************************************************************************
:

Manuel sektion

I tilfælde af at scriptet mislykkes:

Sådan tilføjes IP'er og DNSSearch til DNS-konfigurationen:

Brug setrackinfo -a for at konfigurere DNS-serveren. Gentag kommandoen for hver DNS-server på kundens websted (eller adskil med mellemrum). 
# sudo setrackinfo -a DNSServer <DNS_Server_IP>

Example:
# sudo setrackinfo -a DNSServer x.x.x.x
# sudo setrackinfo -a DNSServer y.y.y.y
or
# sudo setrackinfo -a DNSServer x.x.x.x y.y.y.y
Brug setrackinfo -a for at konfigurere DNS-søgning. Vi skal køre kommandoen én gang for hver specifikationsrækkefølge for mest specifik til mindst specifik. 
# sudo setrackinfo -a DNSSearch <DNS_Search_Specification>

Example:
# sudo setrackinfo -a DNSSearch corp.dell.com
# sudo setrackinfo -a DNSSearch dell.com

Sådan fjernes IP'er fra DNS-konfiguration:

Brug setrackinfo -d for at fjerne en eller flere fra en liste (gælder for DNSServer eller DNSSearch) 
Example:
# sudo setrackinfo -d DNSServer x.x.x.x y.y.y.y

Additional Information

For NTP-konfiguration, se KB ECS: Sådan tilføjes eller fjernes en NTP-server.

Affected Products

ECS Appliance

Products

ECS Appliance, Elastic Cloud Storage
Article Properties
Article Number: 000019614
Article Type: How To
Last Modified: 24 July 2025
Version:  8
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