Difference between revisions of "Cluster shared storage"
From Teknologisk videncenter
m (→RedHat/Centos shared storage) |
m (→RedHat/Centos shared storage) |
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*Locking of files open for writing is necessary. | *Locking of files open for writing is necessary. | ||
== The shared Storage == | == The shared Storage == | ||
| − | Two servers with each two drives are installed with [http://www.freenas.org FreeNAS] | + | Two servers with each two drives are installed with [http://www.freenas.org FreeNAS] |
| + | The drives are exported as [[iSCSI]] targets. | ||
| + | == RedHat/Centos WEB servers == | ||
| + | The WEB servers all run Centos 5.2 and use the the FreeNAS servers for application data. | ||
| + | *Install [[iSCSI]] initiator software | ||
| + | * | ||
[[Image:SAN tegning1.png|thumb|300px|none| Gigabit ethernet SAN/Cluster løsning]] | [[Image:SAN tegning1.png|thumb|300px|none| Gigabit ethernet SAN/Cluster løsning]] | ||
Revision as of 14:32, 31 March 2009
RedHat/Centos shared storage
Consider the drawing below. The WEB-servers run Centos 5.2 and share the redundant data from the shared storage.
- Each WEB server has access to the same data from the shared storage calles NAS - Network Attached Storage.
- The WEB-servers has Read/Write access to the NAS.
- Locking of files open for writing is necessary.
The shared Storage
Two servers with each two drives are installed with FreeNAS The drives are exported as iSCSI targets.
RedHat/Centos WEB servers
The WEB servers all run Centos 5.2 and use the the FreeNAS servers for application data.
- Install iSCSI initiator software
