PowerProtect: Cyber Recovery Docker-beholdere kan ikke starte "Kan ikke oprette forbindelse til Docker-dæmonen"

Summary: Kunden kan ikke bruge Cyber Recovery på grund af docker-containere, der ikke kan starte, fordi docker-dæmonen ikke kører.

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Symptoms

Når du forsøger at køre Docker PS, vises en meddelelse, der spørger, om Docker-dæmonen kører.
  
[root@hostname ~]# docker ps -a
Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running?


Docker-tjenesten er ikke aktiv
  
[root@hostname ~]# systemctl status docker
? docker.service - Docker Application Container Engine
   Loaded: loaded (/usr/lib/systemd/system/docker.service; enabled; vendor preset: disabled)
   Active: failed (Result: start-limit) since Wed 2022-11-16 07:39:05 EST; 3min 34s ago
     Docs: https://docs.docker.com
 Main PID: 7590 (code=exited, status=1/FAILURE)

Nov 16 07:39:02 hostname systemd[1]: docker.service failed.
Nov 16 07:39:05 hostname systemd[1]: docker.service holdoff time over, scheduling restart.
Nov 16 07:39:05 hostname systemd[1]: Stopped Docker Application Container Engine.
Nov 16 07:39:05 hostname systemd[1]: start request repeated too quickly for docker.service
Nov 16 07:39:05 hostname systemd[1]: Failed to start Docker Application Container Engine.
Nov 16 07:39:05 hostname systemd[1]: Unit docker.service entered failed state.
Nov 16 07:39:05 hostname systemd[1]: docker.service failed.
Nov 16 07:39:40 hostname systemd[1]: start request repeated too quickly for docker.service
Nov 16 07:39:40 hostname systemd[1]: Failed to start Docker Application Container Engine.
Nov 16 07:39:40 hostname systemd[1]: docker.service failed.


Cause

Når du forsøger at starte docker-dæmonen, er der en meddelelse, der advarer om et pladsproblem
  
[root@ hostname]# sudo dockerd
Error starting daemon: Unable to get the TempDir under /var/lib/docker: mkdir /var/lib/docker/tmp: no space left on device

Der opstod et problem med diskplads. Rodfilsystemet ser ud til at være fuldt:
  
[root@hostname ~]# df -kh
Filesystem                                Size  Used Avail Use% Mounted on
/dev/mapper/centos_hostname-root   38G   38G   20K 100% /        <<<<
devtmpfs                                  1.9G     0  1.9G   0% /dev
tmpfs                                     1.9G  8.0K  1.9G   1% /dev/shm
tmpfs                                     1.9G  8.9M  1.9G   1% /run
tmpfs                                     1.9G     0  1.9G   0% /sys/fs/cgroup
/dev/sda1                                1014M  189M  826M  19% /boot
/dev/mapper/centos_ehs--hostname-home   19G  3.0G   16G  17% /home
tmpfs                                     379M     0  379M   0% /run/user/0
[root@hostname ~]#



Resolution

Efter at have krævet plads ved at fjerne nogle gamle supportpakker og -pakker til tidligere udgivelser, der ikke længere er brug for, og derefter genstartet Cyber Recovery VM. Beholderne kørte nu igen, og kunden kunne genoptage brugen af Cyber Recovery.

Affected Products

Cyber Recovery Series

Products

Cyber Recovery Series, CyberSense
Article Properties
Article Number: 000214296
Article Type: Solution
Last Modified: 04 Nov 2025
Version:  2
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