linux - Mounted HDD not having enough permissions from Apache/PHP

Piwigo gallery, on apache and php, CentOS 6.

The root system is a RAID 128GB. /var/www/html is on the root file system.

Mounted the 320GB hdd to /var/www/html/320 using defaults, it's an ext4 fs.

Put a symlink to it in /var/www/html/galleries which is read by the gallery script so I can upload images to there, then click sync. It gives me the error:

[./galleries/] PWG-ERROR-NO-FS (File/directory read error) PWG-ERROR-NO-FS: The file or directory cannot be accessed (either it does not exist or the access is denied)

chmod 777 set on /dev/sdb1, /var/www/html, and /var/www/html/320 as well as the symlink galleries too. All recursive.

chown apache:apache to everything too.

PHP just can't read/write to it. I tried with and without the symlink, I've tried everything I can think of. Nothing.

Any ideas how I can give apache/php permission to read/write to this drive? With 777 permissions all around it should already be able to.

Answer

CentOS has a special kind of security on his kernel (SELinux), you should try disabling it first.

Check if it's enabled with this command:

#sestatus

It should show enabled

Disable it editing this file:

nano /etc/selinux/config

and change this:

SELINUX=enabled

to:

SELINUX=disabled

And try again...

Good luck...