摘要:
A system renting out file servers to many companies in a data center has a security problem so that the user cannot perform operation needing manager authorization in the file servers. An OS provides execution administrative area information of an application program designated by process information which can specify the range of an accessible device to operate the server system of the customer in the administrative area information.
摘要:
A system renting out file servers to many companies in a data center has a security problem so that the user cannot perform operation needing manager authorization in the file servers. An OS provides execution administrative area information of an application program designated by process information which can specify the range of an accessible device to operate the server system of the customer in the administrative area information.
摘要:
In a storage system with a server apparatus having at least one CPU, a memory, at least one network interface, and at least one storage interface, and, at least one disk connected to the storage interface, the server apparatus has a snapshot management part which maintains and manages snapshot of the disk apparatus, the disk apparatus has an operational volume which performs ordinary read/write and a differential volume which stores differential data of snapshot of the operational volume, the snapshot management part stores data on the operational volume in the differential volume, provides a preceding copy area to store its location information, and when free area on the differential volume becomes insufficient discards the stored location information and uses the preceding copy area as an free area.
摘要:
In a storage system with a server apparatus having at least one CPU, a memory, at least one network interface, and at least one storage interface, and, at least one disk connected to the storage interface, the server apparatus has a snapshot management part which maintains and manages snapshot of the disk apparatus, the disk apparatus has an operational volume which performs ordinary read/write and a differential volume which stores differential data of snapshot of the operational volume, the snapshot management part stores data on the operational volume in the differential volume, provides a preceding copy area to store its location information, and when free area on the differential volume becomes insufficient discards the stored location information and uses the preceding copy area as an free area.
摘要:
In the storage-based snapshot creation, a block-selection specifying unit provided on a NAS processing unit specifies a block, which becomes necessary for the generation of snapshot data, to a specified-block analyzing unit within a disk apparatus. Moreover, a disk controller generates the snapshot data on the block specified as the snapshot target, while making an inquiry to the specified-block analyzing unit. This makes it possible to create the snapshot in a storage-capacity reduced manner, and to specify the snapshot creation in a partition, file, or directory unit.
摘要:
The server SV1 receives instructions to acquire snapshot images from control server 20, acquires the snapshot images of logic disk 110, and stores them in logic disk 130, and at the same time acquires snapshot images of logic disk 120, and stores them in logic disk 140. The server SV1 constructs a virtual file server environment using snapshot images of system files stored in logic disk 130, and provides data file snapshot images stored in logic disk 140 to the client CL.
摘要:
When CPU 11 receives a request to write to a file stored in a storage device 10 from client computers 30 through 32, it references the object control table of the subject file, and confirms the WORM attribute of the subject file. The CPU 11 references the WORM range control table, and determines whether or not the write subject range is set to a WORM range. When the write subject range is not set to a WORM range, the CPU 11 executes write to the subject file. When WORM form is set for write data, the CPU 11 updates the WORM range control table and sets WORM form for the written data.
摘要翻译:当CPU 11从客户端计算机30到32接收到对存储在存储装置10中的文件的写入请求时,引用该对象文件的对象控制表,并确认该对象文件的WORM属性。 CPU 11参考WORM范围控制表,并确定写入对象范围是否被设置为WORM范围。 当写入对象范围未设置为WORM范围时,CPU 11执行对主题文件的写入。 当WORM表单设置为写入数据时,CPU 11更新WORM范围控制表,并为写入的数据设置WORM表单。
摘要:
In the storage-based snapshot creation, a block-selection specifying unit provided on a NAS processing unit specifies a block, which becomes necessary for the generation of snapshot data, to a specified-block analyzing unit within a disk apparatus. Moreover, a disk controller generates the snapshot data on the block specified as the snapshot target, while making an inquiry to the specified-block analyzing unit. This makes it possible to create the snapshot in a storage-capacity reduced manner, and to specify the snapshot creation in a partition, file, or directory unit.
摘要:
In the storage-based snapshot creation, a block-selection specifying unit provided on a NAS processing unit specifies a block, which becomes necessary for the generation of snapshot data, to a specified-block analyzing unit within a disk apparatus. Moreover, a disk controller generates the snapshot data on the block specified as the snapshot target, while making an inquiry to the specified-block analyzing unit. This makes it possible to create the snapshot in a storage-capacity reduced manner, and to specify the snapshot creation in a partition, file, or directory unit.
摘要:
Even when a configuration in which instances of plural kinds of storage management software having equivalent functions are arranged to cooperatively manage a large-scale storage system is adopted, to prevent occurrence of a management inoperability and configuration information inconsistency and enable the same management operation and information reference as those performed when all management target objects are managed by a single instance. In the present invention, a representative management computer serving as a representative among management computers is determined. The representative management computer collects, from storage apparatuses and host computers, information concerning the management target objects and configuration summary information including a relation type among the objects and determines, on the basis of the configuration summary information, management target objects which each of the management computers should take charge of.