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出现背景

在网页上传iso时，出现报错

在syslog中可以查看到如下的报错

Feb 14 13:44:18 pve pveproxy[10389]: unable to create temporary upload file '/var/tmp/pveupload-62159872b7a1f04e16d9145cf9040e31' at /usr/share/perl5/PVE/APIServer/AnyEvent.pm line 1454.
Feb 14 13:44:18 pve pveproxy[10389]: unable to create temporary upload file '/var/tmp/pveupload-7110f262456d972c6ae9cdf0d41a04fd' at /usr/share/perl5/PVE/APIServer/AnyEvent.pm line 1454.

解决方法

1. 务必先确认/var/tmp/ 是否有足够的空间。
2. 如果空间足够，确保/var/tmp/ 有1777权限，如果没有，请执行chmod 1777 /var/tmp