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Failed to write to disk Owncloud

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After a fresh install of Owncloud you may get the following error after uploading a file larger than a couple of MB.

“Failed to Write to Disk”

This is a pretty quick and easy one to fix, it is just a setting in the php.ini file, for example on Gentoo

vi /etc/php/apache2-php5.6/php.ini

Then we have to uncomment and set the “upload_tmp_dir” to a logical location for Owncloud, on our test machine we set it to the following.

upload_tmp_dir = /var/www/localhost/htdocs/owncloud/data/tmp

While you are here you may also want to increase the “upload_max_filesize” as that could cause some problems with big files. We set ours to 1GB but you could do what you feel comfortable with.

upload_max_filesize = 1024M

Once you have saved the php.ini make sure that you create your tmp directory if it does not already exist

mkdir /var/www/localhost/htdocs/owncloud/data/tmp ; chown -R apache:apache /var/www/localhost/htdocs/owncloud/data/tmp

Now restart apache and you should be all set.

/etc/init.d/apache2 restart

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