Error No Space Left

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ESXi Update Error "[Errno 28] No space left on device"

by Florian GrehlJune 29, 20207 Comments

When you try to install a VMware ESXi Update using esxcli, the upgrade fails with the following error message:

"[Errno 28] No space left on device"

The problem is caused by ESXi not having enough free space available to extract the installation packages. This article explains how to solve the issue by enabling swapping to a Datastore.

GUI Method

You do not need a vCenter to enable host swapping. It can be done from the ESXi Host Client.

Open ESXi UI (https://[ESXi-IP-Address]/ui/)
Navigate to Host > Manage > System > Swap
Click Edit settings
Enable Swapping and select a datastore (ds1 in that example)
Click Save
Changes are active immediately, there is no need to reboot the host.

CLI Method

You can also activate Datastore Swapping with the esxcli sched swap system command:

1. esxcli sched swap system set -n ds1 -d y
2. esxcli sched swap system get Datastore Active: true Datastore Enabled: true Datastore Name: ds1 Datastore Order: 1 Hostcache Active: false Hostcache Enabled: true Hostcache Order: 0 Hostlocalswap Active: false Hostlocalswap Enabled: true Hostlocalswap Order: 2