1. Cloud Computing
EMC Atmos Online
Alexander Burmak
LOGO a.burmak@gmail.com

2. Contents
 Cloud Computing
 EMC Atmos
 Features
 Atmos Online
 API
 Resources

3. Cloud Computing
wiki:
Cloud computing is Internet-based computing,
whereby shared resources, software and information
are provided to computers and other devices on-
demand
The term "cloud" is used as a metaphor for the Internet

4. EMC Atmos
Technology EMC2 corporation which provides to build
a cloud infrastructure to efficiently manage and
distribute information
Scaling to a multi-petabyte data

5. Features
 Policy-based information management
 GeoProtect
 Object metadata
 Choice of access mechanisms
 Versioning
 Compression
 Deduplication
 Programmer friendly API

6. Atmos Online
EMC Atmos Online is a cloud service based on
the EMC Atmos storage product.
 Storage Service
 Compute Service

7. API
Connecting to the server
esuAPI = new EsuRestApi(HOST, PORT, FULLTOKENID, SECRETKEY)
Creating an Object using an Instance of UploadHelper
UploadHelper uploadHelper = new UploadHelper(esuAPI);
String objID = null;
try {
ObjectId oId = uploadHelper.createObject(new
File(LOCALFILEPATH+fileName), null, null);
objID = oId.toString();
System.out.println("Object ID " + oId); }
catch(EsuException ex) {
System.out.println(ex.getMessage());
return null; }

8. API (2)
Retrieving an Object using an Instance of DownloadHelper
private static String objID =
"4980cdb2a510105c04980d6d30039704b0cb90956513";
EsuApi esuAPI = getEsuApi();
byte[] buff = new byte[5000];
DownloadHelper downloadHelper = new DownloadHelper(esuAPI,buff);
try {
File file = new File(LOCALFILEPATH+fileName);
downloadHelper.readObject(new ObjectId(objId),file);
System.out.println("File: " + file + ", exists = " +
file.exists()); }
catch(EsuException ex) {
System.out.println(ex.getMessage());
}

9. Resources
 EMC Atmos Online
www.atmosonline.com
 EMC Developer Network
community.emc.com/community/edn
 Cloud Zone
cloudzone.ru

10. Thank you for attention!
Alexander Burmak
LOGO a.burmak@gmail.com