about proxy_store, is this a bug?

[Igor Sysoev]

On Thu, Jul 24, 2008 at 04:32:57PM +0800, sigma wrote:

> my config:
>         location / {
>             root /data/www;
>             error_page 404 = /fetch$uri;
>         }
>         location /fetch {
>             internal;
>             proxy_pass http://backend;
>             proxy_store on;
>             proxy_store_access user:rw group:r all:r;
>             proxy_temp_path /tmp;
>             alias /data/www;
>         }
> 
> the /tmp is in /dev/sda1 and the /data/www is in /dev/mapper/data(LVM)
> 
> then proxy_store  invalid
> 
> the error_log:
> 2008/07/24 04:15:12 [crit] 28123#0: *2555263 rename() "/tmp/0000370403" to
> "/data/www/dm/g/gsmmx21/Vol_289/017.jpg" failed (18: Invalid cross-device
> link) while reading upstream, ....
> 
> is it a bug?

No, this is a feature. nginx does not copy temporary file to a persistent one.
It rename()s file. This means that proxy_temp_path and root must be on
the same filesystem.


-- 
Igor Sysoev
http://sysoev.ru/en/