1. Storage Issues 09/05

2. ownCloud http://owncloud.org/ Open source software ◦ php + javascript Main Features: ◦ Access Data ◦ Sync Data ◦ Share Data

3. ownCloud(Cont.) External Storage ◦ Mount external storage as a folder inside user’s ownCloud instance. Other features ◦ Versioning ◦ Encryption ◦ Migration and Backup ◦ …etc.

4. Others Paper Study: ◦ 2011: 1/1 ◦ 2012: 1/2 Review paper: 2/2

5. Back to Intelligence Storage

6. What About… Store objects according to their type? ◦ Divide servers into several groups, each group store a certain type of user files. ◦ Ex: video group(.avi,.mp4,.mpg, …), document group(.txt,.doc, …) Apply different settings and resources according to the file type in a group.

7. Possible Issues How to classify files into groups? Increase network overhead? ◦ Files belong to the same user now separated in different groups/servers. Security