SvennD
January 14, 2017

Proxmox : file system may not support O_DIRECT

Posted on January 14, 2017  •  1 minutes  • 64 words  •  Suggest Changes

Some time ago, I tried to create a VM on a RAID6 machine, getting this weird error when the virtual disk was made :

file system may not support O_DIRECT

The solution is to put the “write cache” to write-through. In the newest interface :

And the creation succeeded.

ps. this was an old issue, I never got to posting about it. Goodluck !

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