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Topic Index

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Design Context

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Timeline

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Requirements Analysis

Workflow #1

Acquisition

Computation

Visualization

Storage

Computation

Workflow #1

Acquisition Visualization

Storage

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Workflows

Workflow #2

Acquisition Visualization

Computation

Storage

Workflow #2

Acquisition Visualization

Computation

Storage

1. 

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2. 

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Workflows

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Architectural Goals

Software

Linux SL6.2

Base operating system

Software

Linux SL6.2

NFS v3

NFS:

Included in base OS with kernel support

Lustre:

Kernel patches, used here to access Lustre servers (Typically would use Lustre client module)

Software

Linux SL6.2

NFS v3

Lustre 2.1

Software

Linux SL6.2

NFS v3

Samba 3.6

Lustre 2.1

Samba:

Server to enable Windows client support

Software

Linux SL6.2

NFS v3

Samba 3.6

CTDB 1.0

Lustre 2.1

CTDB:

Clustering support

Software

non-Lustre

Enterprise Clients

Linux SL6.2

NFS v3

Samba 3.6

CTDB 1.0

Lustre 2.1 LNET

CIFS2

NFS v3

Conceptual Model

CNG Node

CNG Node

CNG Node

CNG Node

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Conceptual Model

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Hardware

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Hardware

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Clustering

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CTDB Limitations

Improved Availability

CNG Node

CNG Node

CNG Node

CNG Node

Improved Availability

CNG Node

CNG Node

CNG Node

CNG Node

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User Security Challenges

User Security Site Integration

Active Directory

Compute

Nodes

CIFS/NFS Gateway

Lustre MDS

upcall

uid/gid

login

connect to share

authenticate

User Security Site Integration

Active Directory

Compute

Nodes

CIFS/NFS Gateway

Lustre MDS

uid/gid

connect to share

authenticate

authenticate

(yp)

NIS

NIS/AD

Gateway

User Security Site Integration

Active Directory

Compute

Nodes

CIFS/NFS Gateway

Lustre MDS

uid/gid

connect to share

authenticate

NIS

NIS/AD

Gateway

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Takeaways from User Security Variations

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Manageability & Monitoring

Thank You