[Building Sakai] archive tool

[Jeon,Sanghyun Seo]

Thank you for your reply.
I appreciate you pointed out  CONTENT_RESOURCE. The FILE-SIZE of CONTENT_RESOURCE might be a good place to start our estimation of the backup size, but  (if I am not wrong,) that is not an xml file size, which will be stored by the archive tool.

So do you recommend us using DB backup for the full backup and recovery, if we cannot keep all data in Sakai?


Sanghyun

From: Sam Ottenhoff [mailto:ottenhoff at longsight.com]
Sent: Thursday, April 12, 2012 5:46 PM
To: Jeon,Sanghyun Seo
Cc: sakai-dev at collab.sakaiproject.org
Subject: Re: [Building Sakai] archive tool

I strongly recommend retaining all data in Sakai for as long as possible.  Sakai's archive / export capabilities simply are not sufficient for any serious archiving if you have the hope of doing a real restore of the site in the future.

1) There are no tricks.  You will have to modify these tools to export properly.  These patches would be happily accepted by the community.

2) Whole course.

3) The archive writes all files in Resources plus some XML representations of tools.  In a brief scan of sites, I don't see the XML taking more than 20-30mb in a site.  You can calculate the size of the files with some queries against CONTENT_RESOURCE.

--Sam
On Thu, Apr 12, 2012 at 5:36 PM, Jeon,Sanghyun Seo <euksa99 at ufl.edu<mailto:euksa99 at ufl.edu>> wrote:
I am wondering whether there is any school which actively uses the archive tool, so that I can ask some questions.
I am currently investigating the amount of space required when using the archive tool on various sizes of course sites. We, at the University of Florida, currently have about 1800 active courses.


I have three questions as follows and hopefully somebody might answer them.
1)      1)  How other schools use the archive tool - I realize mneme, gb and gb2 tool are not included in the archive, do they have any trick to include these tools into the archive? We need to archive all course data --at least assignments, msgcntr, samigo, mneme, gb, and gb2.
2)     2)  How to maintain the archive courses : a) do they archive incrementally (i.e. archive the difference since the last archived) or the whole thing, b) how often
3)   3) How many courses they have and how much space they have currently

Any information or advice will be greatly appreciated.

Sanghyun Jeon


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