STORAGE SYSTEM AND DATA BACKUP PROCESSING METHOD IN STORAGE SYSTEM
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United States of America Patent
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Oct 24, 2024
app pub date -
Sep 8, 2023
filing date -
Sep 8, 2023
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Abstract
To back up stored data of a storage device installed on-premise to a storage service provided by a public cloud more reliably and efficiently. A storage system according to the invention includes a storage device having first storage logical volumes (LDEVs), and a storage device having second storage LDEVs. When stored data of a first LDEV and stored data of a second LDEV are synchronized with each other, network conditions in a transfer path from the storage device to the public cloud and in a transfer path from the storage device to the public cloud are observed. The first LDEV or the second LDEV is selected as a backup source based on the network conditions.
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