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Commit cefa67a9 authored by p.n.kramp's avatar p.n.kramp
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Update readme.md

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## Description
An XRootD - Vagrant setup using multiple XRootD plug-ins to implement fast access for clients to an XRootD Cache sitting on top of a shared filesystem
##Usage
## Usage
-git clone https://git.gsi.de/dc/XRootD-Reps/xrootd-disk-cache-local-access.git --recursive
-cd alice-xrootd-builder-docker-container/
-sudo ./start.sh
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-vagrant ssh client
-./proxyprefixtest.sh
##Procedure explanation
###The client wants to copy a file from an external dataserver to the local filesystem:
## Procedure explanation
### The client wants to copy a file from an external dataserver to the local filesystem:
-The client employs a plug-in, which prepends the address of the redirector/datamanager.
-The client then connects to the redirector, which checks for existence of the searched file on the shared filesystem in the used cms-plugin
-if the file exists, the client gets redirected to the shared filesystem, where it opens the file locally without involvement of any other server
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-the client now connects to the forwardproxy, which opens a connection to the externalDataserver
-the file gets returned to the client and is simultaneously cached by the proxy on the shared filesystem
##Configuration
## Configuration
The forwardproxy needs the cache location:
-oss.localroot /home/vagrant/shfs
The manager/redirector needs the cache location:
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