Storage array network backup configuration
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Dec 16, 2003
Grant Date -
N/A
app pub date -
Dec 22, 2000
filing date -
Dec 22, 2000
priority date (Note) -
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Abstract
A redundant communication network includes servers having production servers and a backup server; a storage system including a plurality of production volumes for storing data and a corresponding plurality of backup volumes connected to each of the production volumes. The redundant communication network also includes a first channel and a second channel for allowing communication between the production servers and the production volume of the storage system and a backup storage unit connected to the backup server. A method for performing a backup operation on the network includes the following steps. One of the production servers selects one of the production volumes for backup. The selected one of the production volumes is disconnected from a corresponding one of the plurality of backup volumes. The relative load on each of the first and second channels of the redundant communication network is determined. If necessary, the load on each of the first and second channels is adjusted during the backup operation. Data stored on the corresponding one of the backup volumes is transferred to the backup storage unit. When the backup operation is complete, the selected one of the production volumes is reconnected to the corresponding one of the backup volumes.
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