Dell DX6000 Overview

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[Page 1] Dell DX6000

SCSP Proxy Overview Version 1.2 ...

[Page 2] Dell DX6000

SCSP Proxy Overview: Version 1.2 Copyright © 2010 Caringo, Inc. All Rights Reserved. No part of this document may be reproduced, transmitted, or transcribed without the written consent of Caringo, Inc. ...

[Page 3] Dell DX6000

Copyright © 2010 Caringo, Inc. All rights reserved iii Version 1.2 December 2010 Table of Contents 1. Introduction ......................................................................................................................... 1 1.1. Basi...

[Page 4] Dell DX6000

Copyright © 2010 Caringo, Inc. All rights reserved 1 Version 1.2 December 2010 Chapter 1. Introduction The SCSP Proxy accepts HTTP requests from a host network, forwards them to a DX Storage cluster, handles redirects transparently, and then supplie...

[Page 5] Dell DX6000

Copyright © 2010 Caringo, Inc. All rights reserved 2 Version 1.2 December 2010 configured cluster name. If the names do not match, no node IP addresses are returned in the response. If Scsp-Proxy-Cluster is not present, the request uses the configur...

[Page 6] Dell DX6000

Copyright © 2010 Caringo, Inc. All rights reserved 3 Version 1.2 December 2010 Reason for empty node list Meaning disabled Indicates the Proxy's reportHosts configuration parameter is set to False. 1.1.1.3. Response Body The body of the respons...

[Page 7] Dell DX6000

Copyright © 2010 Caringo, Inc. All rights reserved 4 Version 1.2 December 2010 Syntax Description If the object exists in the local cluster the information is returned. Otherwise, the request is sent to each remote cluster in random order. If no clu...

[Page 8] Dell DX6000

Copyright © 2010 Caringo, Inc. All rights reserved 5 Version 1.2 December 2010 Note Because you are working with the default cluster domain, the domain name does not need to be sent as the Host in the request. For unnamed objects, POST authenticatio...

[Page 9] Dell DX6000

Copyright © 2010 Caringo, Inc. All rights reserved 6 Version 1.2 December 2010 response body. Similar to the individual Info method, the response for a successful AggregateInfo method execution is a 200 code. The following is a sample checkpoint man...

[Page 10] Dell DX6000

Copyright © 2010 Caringo, Inc. All rights reserved 7 Version 1.2 December 2010 Response for stream uuid = f6a0c60d53dd1047ce670c747b1aba91 HTTP/1.1 200 OK Castor-System-Cluster: DR Cluster Castor-System-Created: Tue, 03 Aug 2010 18:49:27 GMT Content...

[Page 11] Dell DX6000

Copyright © 2010 Caringo, Inc. All rights reserved 8 Version 1.2 December 2010 Chapter 2. Installing, Configuring and Running SCSP Proxy The SCSP Proxy installs as an RPM and is managed very similarly to other RPM packages. If the SCSP Proxy is bein...

[Page 12] Dell DX6000

Copyright © 2010 Caringo, Inc. All rights reserved 9 Version 1.2 December 2010 • If you use a CSN, to upgrade the SCSP Proxy, copy and unzip the release distribution, and run the following commands in the order shown: $ sudo su - # /etc/init.d/scs...

[Page 13] Dell DX6000

Copyright © 2010 Caringo, Inc. All rights reserved 10 Version 1.2 December 2010 • To use startup options. • Using the startup/shutdown scripts: /etc/init.d/scspproxy start /etc/init.d/scspproxy stop Use the startup/shutdown scripts if the Proxy ...

[Page 14] Dell DX6000

Copyright © 2010 Caringo, Inc. All rights reserved 11 Version 1.2 December 2010 • The SDK returns a 50x for general request errors such as bad host name, unknown method, HTTP syntax errors, and so on. Your client might return other response codes ...

[Page 15] Dell DX6000

Copyright © 2010 Caringo, Inc. All rights reserved 12 Version 1.2 December 2010 Validation GET HEAD POST DELETE PUT COPY APPEND Query Argument: newhashtype V Query Argument: countreps V Query Argument: indirect V ...

[Page 16] Dell DX6000

Copyright © 2010 Caringo, Inc. All rights reserved 13 Version 1.2 December 2010 Chapter 3. Configuration Parameters You can configure the SCSP Proxy using either the Cluster Services Node (CSN) console or by editing the scspproxy.cfg file. If you us...

[Page 17] Dell DX6000

Copyright © 2010 Caringo, Inc. All rights reserved 14 Version 1.2 December 2010 Option Name Value Description [log] facility 0 The log facility (i.e. channel) to log to when using a syslog. Valid values are 0-6 [log] hostBindInterface localhost The ...

[Page 18] Dell DX6000

Copyright © 2010 Caringo, Inc. All rights reserved 15 Version 1.2 December 2010 # # PARAMETERS # [proxy] port = 80 interface = 192.168.1.1 validationMode = False [log] #<10 = CHATTER, which includes twisted.internet logs #10 = DEBUG - Turns on de...

[Page 19] Dell DX6000

Copyright © 2010 Caringo, Inc. All rights reserved 16 Version 1.2 December 2010 Option Name Description character hex string. May be the DNS name for the cluster but that is not required. RemoteAddress The IP address for the remote proxy the local p...