[Building Sakai] Attachments persist after containing tool and even site have been removed.

[Francois Campbell]

Good day.

At Steve Swinsburg.
Thank you very much for the prompt answer.

At Robert Cohen.
The points you have raised seem extremely valid, and I hope are addressed
in the future.

This has answered my question. Thank you very much

-- 
Warm regards.
Francois Campbell.


On 16 October 2012 03:42, Robert Cohen <robert.cohen at anu.edu.au> wrote:

>
> From: Steve Swinsburg <steve.swinsburg at gmail.com>
> Date: Tuesday, 16 October 2012 10:07 AM
> To: Francois Campbell <francois at opencollab.co.za>
> Cc: <Sakai-dev at collab.sakaiproject.org>
> Subject: Re: [Building Sakai] Attachments persist after containing tool
> and even site have been removed.
>
> Hi Francois,
>
> This is expected behaviour. No content is deleted when sites are
> deleted.  The files and assignments will not be accessible after the site
> is deleted. This is so that you can restore the site if need be and then
> the content will be available again.
>
> cheers,
> Steve
>
>
> On 16/10/2012, at 2:14 AM, Francois Campbell <francois at opencollab.co.za>
> wrote:
>
> Good day.
>
> We have the following scenario:
>
>    1. An assignment is created attachment only submissions with a project
>    site.
>    2. Student complete the assignments.
>    3. Assignments are graded.
>    4. At some point the assignment will be removed. At this point we
>    wanted to ascertain whether the attached files would be removed with the
>    assignments.
>
> My tests have some that the files persist after the assignment has been
> removed. (Files also persist after the site has been removed, tomcat
> restarted etc.)
>
> My question is this the desired behaviour or is there something I am
> missing ( configuration option, a scheduled garbage process etc. )
>
> We have moved our content store outside of the default web apps location.
>
>
>
>
> Being able to restore deleted data should be what backups are for.
>
> This kind of behaviour makes sakai less suitable for use in production
> environments.
> Obviously not impossible to use, since plenty of sites are using it in
> large production environment, but certainly harder to use.
>
> Suppose, you have a large teaching environment with 1000's of courses
> running each year.
> At the end of the year you want to delete all the 2012 courses and create
> new courses for 2013.
> Except you don't get the disk space back,so you rapidly run out of disk
> space.
>
> Personally I think the poor backup facilities and lack of facilities for
> cleanup up disk space are amongst the biggest weaknesses in sakai.
>
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