Very frequently we receive an alert just before an upgrade that cluster doesn't have enough space to download the binary files (). If that is happening to you, there are ways to clean the partition below the threshold (75%). Some of them include below
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Cleaning Old ISOs and Software Binaries ( For old AOS, NCC, Foundation versions)
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Checking Removing Old Logs (Log files shared for support cases if not cleared later, occupy space)
Cleaned up files from the approved directories but still see high usage in /home?At this time, open a support case to identify any other underlying issues or deep cleaning on the nodes with the help of Nutanix Engineer. More details on Nutanix KB below https://portal.nutanix.com/page/documents/kbs/details?targetId=kA0600000008dpDCAQ