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Commands cannot be run using the RESTful Interface Tool (iLORest)version 6.0 (or later) on an HPE system running VMware due to no space in "/opt". When this occurs the following message is displayed:OSError: [Errno 28] No space left on device.
Any HPE system running iLOrest version 6.0, 6.1 or 6.2 on VMware ESXi 8 or VMware ESXi 9.
To resolve this, update to iLORest v6.3 (or later) or delete the iLORest.log in the current or /opt directory.To download iLORest v6.3 (or later), perform the following steps:Click the following link:Hewlett Packard Enterprise Support CenterEnter a product name (e.g., "iLORest") in the text search field and wait for a list of Suggested Products to display. From the Suggested Products list displayed, identify the desired product and select it.The page should refresh to display the "DRIVERS AND SOFTWARE" tab and the components that support the selected product. From the "DRIVERS AND SOFTWARE" expandable filter menus on the left side of the page:For further filtering if needed - Select the specific Operating System from the Operating Environment.Locate and select the Restful Interface Tool (iLORest Tool) Version 6.3 (or later).Note: To ensure that you have selected the latest version of the firmware/driver, click the Revision History tab to check if a new version of the firmware/driver is available.For more important information, review the Release Notes tab.Click theDownloadbutton.Document VersionRelease DateDetails2December 15, 2025Added fix, iLORest v6.3.1November 11, 2025Original Document Release.
Operating Systems Affected:VMware ESXi 8.0, VMware ESXi 9.0
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