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OSCP SnapShot Test
About the OSCP Snapshot test
The OSCP Snapshot test is conducted to use the Snapshot creation function of a storage unit to backup or restore Oracle databases.
The Snapshot function saves data on storage units at a specified time or restores saved data so that it will be available for use. Creation and retention of replications is executed by the function of the storage unit, and will not impose any loads on server machines that operate databases.
By using this Snapshot function to backup Oracle databases, it is possible to create/restore backups of databases in an extremely short time compared to the creation of backups using conventional media such as tape media.
The SAN-compliant NEC Storage S series provide this Snapshot function through the data replication function, and NAS, or the NEC Storage NV series, provides the Snapshot function through its own snapshot function.
NEC Storage S series: DynamicDataReplication and RemoteDataReplication
Usually, volumes replicated by the Snapshot function and the original volumes are stored in the same disk array device.
In NEC Storage, the function that realizes the abovementioned storage is distinctly named DynamicDataReplication, among the various data replication functions.
In addition to this, in NEC Storage, it is possible to have volumes stored in 2 units of NEC Storage disk array devices as configuration volumes for the data replication function. This data replication function is named RemoteDataReplication. Since fiber channels are used to connect disk array devices, it is possible to use RemoteDataReplication between disk array devices that are installed up to 10 km apart from each other.
DynamicDataReplication and RemoteDataReplication can be operated in the same way since they use the same type of status displays.
The S4000 series and the S3000 series have both DynamicDataReplication and RemoteDataReplication, and the S2000 series has only DynamicDataReplication (specifications are subject to change without prior notice).
NEC Storage NV series: the snapshot function
The snapshot function of the NEC Storage NV series can save a file system image at an arbitrary time. In the NEC Storage NV series, the file system image saved with this snapshot function is called a "generation," and up to the 255th generation can be saved.
By capturing a quiescent point of a file system using the snapshot function, it is possible to create backups while consistency is maintained without stopping file server operation.
The OSCP tests
NEC obtained the OSCP Snapshot test kit from Oracle to test compatibility of the NEC Storage Snapshot function with Oracle databases. NEC as a result passed the various Snapshot-related tests that Oracle had as the OSCP compatibility conditions.
Tests were conducted in the conditions listed below. NEC plans to sequentially conduct tests on application of the function to various other types of platform.
| OS/Platform | Oracle Version |
|---|---|
| Solaris 8 (Sun Microsystems) | 8i |
White Paper
Details of the result of the OSCP Snapshot category test using NEC Storage disk array devices are disclosed as NEC Storage NV Series NAS Device Guide for Oracle Storage Compatibility Program Snapshot Technology.
NEC Storage NV Series NAS Device Guide for Oracle Storage Comptibility Program Shapshot Technology.
| OS/Platform | Oracle Version |
|---|---|
| Solaris 9 (Sun Microsystems) | 9i |
Details of the result of the OSCP Snapshot category test using NEC Storage disk array devices are disclosed as NEC Storage NV Series NAS Device Guide for Oracle Storage Compatibility Program Snapshot Technology.
NEC Storage NV Series NAS Device Guide for Oracle Storage Comptibility Program Shapshot Technology.
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