摘要:
A related art has not taken account of the authority to manage the physical configuration of a storage system. Therefore, the configuration of a storage system cannot be safely managed. Moreover, storage systems to be used by administrators may be duplicate. The availability of an entire computer system is degraded due to stoppage of a storage system caused by scheduled maintenance or the like. Responsively to a manipulation a storage administrator performs in order to allocate or un-allocate a volume, the authority to manage the physical configuration of a storage system is given to the storage administrator or the storage administrator is deprived of the authority. Specifically, a volume allocation program installed in a management computer gives the storage administrator the authority to manage the physical configuration of a storage system, which includes a created volume, responsively to creation of the volume. Moreover, a volume un-allocation program installed in the management computer verifies responsively to un-allocation of a volume whether the storage administrator should be deprived of the authority to manage the physical configuration of the storage system including the un-allocated volume. If the storage administrator is recognized to be deprived of the authority, the storage administrator is deprived of the authority. Owing to the two programs, the storage administrator can manage both a physical configuration and a logical configuration exclusively to other storage administrators.
摘要:
Responsive to a manipulation a storage administrator performs, the authority to manage the physical configuration of a storage system is either given or not given to the storage administrator. Specifically, a volume allocation program installed in a management computer gives the storage administrator the authority to manage the physical configuration of a storage system including a created volume, responsive to creation of a volume. A volume un-allocation program installed in the management computer verifies responsive to un-allocation of a volume whether the storage administrator is not given the authority to manage the physical configuration of the storage system including the un-allocated volume. Thus, by use of the two programs, the storage administrator can manage both a physical configuration and a logical configuration exclusive of other storage administrators.
摘要:
To provide a computer system, a management computer and a storage system, and a storage area allocation amount controlling method for improving I/O performance of the host computer. In a computer system comprising a storage system comprising one or more storage devices with storage areas, a host computer which uses a storage area of the storage device, and a management computer for dynamically allocating the storage area in response to an input/output request from the host computer; wherein the management computer monitors dynamic allocation of a real storage area to a storage area in the storage system, and calculates allocation increment amount to the allocated storage area based on the allocation frequency and the total amount of allocation.
摘要:
To provide a computer system, a management computer and a storage system, and a storage area allocation amount controlling method for improving I/O performance of the host computer. In a computer system comprising a storage system comprising one or more storage devices with storage areas, a host computer which uses a storage area of the storage device, and a management computer for dynamically allocating the storage area in response to an input/output request from the host computer; wherein the management computer monitors dynamic allocation of a real storage area to a storage area in the storage system, and calculates allocation increment amount to the allocated storage area based on the allocation frequency and the total amount of allocation.
摘要:
To provide a computer system, a management computer and a storage system, and a storage area allocation amount controlling method for improving I/O performance of the host computer. In a computer system comprising a storage system comprising one or more storage devices with storage areas, a host computer which uses a storage area of the storage device, and a management computer for dynamically allocating the storage area in response to an input/output request from the host computer; wherein the management computer monitors dynamic allocation of a real storage area to a storage area in the storage system, and calculates allocation increment amount to the allocated storage area based on the allocation frequency and the total amount of allocation.
摘要:
To provide a computer system, a management computer and a storage system, and a storage area allocation amount controlling method for improving I/O performance of the host computer. In a computer system comprising a storage system comprising one or more storage devices with storage areas, a host computer which uses a storage area of the storage device, and a management computer for dynamically allocating the storage area in response to an input/output request from the host computer; wherein the management computer monitors dynamic allocation of a real storage area to a storage area in the storage system, and calculates allocation increment amount to the allocated storage area based on the allocation frequency and the total amount of allocation.
摘要:
A storage system allocates a data storage area in response to an access request from a first computer if the capacity of a first physical storage device configuring a first logical storage area, provided to the first computer, is equal to or lower than a predetermined threshold. The storage system associates the first logical storage area with another physical storage device, which is different from the first physical storage device associated with a second logical storage area provided to the first computer and a second computer, and allocates a data storage area from the another physical storage device if the capacity of the first physical storage device associated with the first logical storage area exceeds the predetermined threshold.
摘要:
A storage system allocates a data storage area in response to an access request from a first computer if the capacity of a first physical storage device configuring a first logical storage area, provided to the first computer, is equal to or lower than a predetermined threshold. The storage system associates the first logical storage area with another physical storage device, which is different from the first physical storage device associated with a second logical storage area provided to the first computer and a second computer, and allocates a data storage area from the another physical storage device if the capacity of the first physical storage device associated with the first logical storage area exceeds the predetermined threshold.
摘要:
A storage system allocates a data storage area in response to an access request from a first computer if the capacity of a first physical storage device configuring a first logical storage area, provided to the first computer, is equal to or lower than a predetermined threshold. The storage system associates the first logical storage area with another physical storage device, which is different from the first physical storage device associated with a second logical storage area provided to the first computer and a second computer, and allocates a data storage area from the another physical storage device if the capacity of the first physical storage device associated with the first logical storage area exceeds the predetermined threshold.
摘要:
A storage system allocates a data storage area in response to an access request from a first computer if the capacity of a first physical storage device configuring a first logical storage area, provided to the first computer, is equal to or lower than a predetermined threshold. The storage system associates the first logical storage area with another physical storage device, which is different from the first physical storage device associated with a second logical storage area provided to the first computer and a second computer, and allocates a data storage area from the another physical storage device if the capacity of the first physical storage device associated with the first logical storage area exceeds the predetermined threshold.