Abstract: The storage system includes a first storage device, configured to be installed in a first site and providing a primary logical volume in which data received from a host computer is written; a second storage device, configured to be installed in a second site and providing a virtual logical volume, which has no structure for storing data received from the first storage system; and a third storage device, configured to be installed in a third site and providing a secondary logical volume in which data received from the second storage system is written. Data written in the primary logical volume of the first storage device are remote-copied to the secondary logical volume of the third storage device via the virtual logical volume of the second storage device.

Abstract: Data written in the primary logical volume of the first storage device are transmitted to the third storage device via the second storage device, the data being written in the same location as the primary logical volume within the secondary logical volume in the third storage device; when transmission of the data stops among the first to the third storage devices, the respective second storage device and the third storage device manage locations in the secondary logical volume where the data held thereby are to be written; and, when transmission of the data resumes among the first to the third storage devices, the locations in the secondary logical volume managed by the respective second and the third storage devices are aggregated, the data to be written in the respective aggregated location in the secondary logical volume being transmitted from the first storage device to the third storage device via the second storage device.

Abstract: A storage system comprises a storage medium including a plurality of physical storage areas. The storage system controls a host computer to recognize a logical volume having a plurality of virtual storage areas, reads the data from the physical storage area assigned to the virtual storage area of the logical volume, determines whether or not the read data includes only the specific pattern data, and cancels the assignment of the physical storage area to the virtual storage area if the read data includes only the specific pattern data.

Abstract: A virtualization system, upon judging that a write operation from a higher-level device is an operation to write in the format of the virtual volume, even when the write position of the write operation is in a virtual area different from a virtual area to which an allocated actual area has been allocated, if there is an unused area in the allocated actual area, writes management information to the unused area according to the write operation, and if there is no unused area in the allocated actual area, newly allocates an unallocated actual area, and writes management information to the newly allocated actual area according to the write operation.

Abstract: Data written in the primary logical volume of the first storage device are transmitted to the third storage device via the second storage device, the data being written in the same location as the primary logical volume within the secondary logical volume in the third storage device; when transmission of the data stops among the first to the third storage devices, the respective second storage device and the third storage device manage locations in the secondary logical volume where the data held thereby are to be written; and, when transmission of the data resumes among the first to the third storage devices, the locations in the secondary logical volume managed by the respective second and the third storage devices are aggregated, the data to be written in the respective aggregated location in the secondary logical volume being transmitted from the first storage device to the third storage device via the second storage device.

Abstract: The statuses of an actual area are (1) a first status which indicates that [the actual area] is already initialized and can be assigned to a virtual area, (2) a second status which indicates that [the actual area] is already assigned to a virtual area, and (3) a third status which indicates that [the actual area] cannot be assigned to a virtual area and initialization which is specified data write is to be performed. The storage controller limits the total virtual volume capacity which is the total capacity of one or more virtual volumes which are associated with the pool, in accordance with whether the pool comprises an actual page in the third status or not, to the capacity of the pool or smaller.

Abstract: A virtualization system, upon judging that a write operation from a higher-level device is an operation to write in the format of the virtual volume, even when the write position of the write operation is in a virtual area different from a virtual area to which an allocated actual area has been allocated, if there is an unused area in the allocated actual area, writes management information to the unused area according to the write operation, and if there is no unused area in the allocated actual area, newly allocates an unallocated actual area, and writes management information to the newly allocated actual area according to the write operation.

Abstract: A method of manufacturing a solar cell according to the present invention is a method of manufacturing a solar cell which includes a reflective part 5, 6 configured to reflect sunlight to a back surface of a photovoltaic power generating part 3. The reflective part includes a reflective plate 6 and a backing substrate 5. The method includes a laminate forming process in which the reflective plate 6 and the backing substrate 5 are formed concurrently by laminate forming. With this arrangement, a method of manufacturing a solar cell, which can improve efficiency of a manufacturing process as a whole, is obtained.

Abstract: Data written in the primary logical volume of the first storage device are transmitted to the third storage device via the second storage device, the data being written in the same location as the primary logical volume within the secondary logical volume in the third storage device; when transmission of the data stops among the first to the third storage devices, the respective second storage device and the third storage device manage locations in the secondary logical volume where the data held thereby are to be written; and, when transmission of the data resumes among the first to the third storage devices, the locations in the secondary logical volume managed by the respective second and the third storage devices are aggregated, the data to be written in the respective aggregated location in the secondary logical volume being transmitted from the first storage device to the third storage device via the second storage device.

Abstract: This invention intends to provide the computer system equalizing the storage capacity immediately and appropriately to multiple real logical areas dynamically providing storage capacity to virtual logical areas. This invention is the computer system which, in the process of performing the dynamic allocation of storage areas to virtual volumes in response to accesses from the higher-level device, when adding pool volumes to the pool, migrates storage areas among multiple logical areas, and maintains the balance of the storage capacity.

Abstract: A storage controller of the present invention partitions and allocates a virtual memory area to each of a plurality of functions operating simultaneously. Microprocessors inside a higher-level communications controller can respectively execute a plurality of program products. A virtual memory created using a local memory is partitioned into a plurality of areas. The partitioned areas are allocated to the respective program products via queues.

Abstract: A skin cosmetic composition comprising the compound represented by the following formula (1): wherein R1 is hydrogen and R2 is hydrogen or glucose residue.

Abstract: A virtualization system, upon judging that a write operation from a higher-level device is an operation to write in the format of the virtual volume, even when the write position of the write operation is in a virtual area different from a virtual area to which an allocated actual area has been allocated, if there is an unused area in the allocated actual area, writes management information to the unused area according to the write operation, and if there is no unused area in the allocated actual area, newly allocates an unallocated actual area, and writes management information to the newly allocated actual area according to the write operation.

Abstract: A virtualization system, upon judging that a write operation from a higher-level device is an operation to write in the format of the virtual volume, even when the write position of the write operation is in a virtual area different from a virtual area to which an allocated actual area has been allocated, if there is an unused area in the allocated actual area, writes management information to the unused area according to the write operation, and if there is no unused area in the allocated actual area, newly allocates an unallocated actual area, and writes management information to the newly allocated actual area according to the write operation.

Abstract: A storage system comprises a storage medium including a plurality of physical storage areas. The storage system controls a host computer to recognize a logical volume having a plurality of virtual storage areas, reads the data from the physical storage area assigned to the virtual storage area of the logical volume, determines whether or not the read data includes only the specific pattern data, and cancels the assignment of the physical storage area to the virtual storage area if the read data includes only the specific pattern data.

Abstract: A controller in a storage system receives a capacity change command specifying a device, and changes, to a volume capacity value indicating a storage capacity following the capacity change command, a volume capacity value of a virtual volume associated with the device specified in management information, which includes the volume capacity value indicating a storage capacity of the virtual volume. As such, without increasing or decreasing the number of logical volumes associated with a device provided by a host device, the device can be changed in storage capacity.

Abstract: Data written in the primary logical volume of the first storage device are transmitted to the third storage device via the second storage device, the data being written in the same location as the primary logical volume within the secondary logical volume in the third storage device; when transmission of the data stops among the first to the third storage devices, the respective second storage device and the third storage device manage locations in the secondary logical volume where the data held thereby are to be written; and, when transmission of the data resumes among the first to the third storage devices, the locations in the secondary logical volume managed by the respective second and the third storage devices are aggregated, the data to be written in the respective aggregated location in the secondary logical volume being transmitted from the first storage device to the third storage device via the second storage device.

Abstract: A skin cosmetic composition comprising the compound represented by the following formula (1): wherein R1 is hydrogen and R2 is hydrogen or glucose residue.

Abstract: Either all or part of mapping information, which is stored in a volatile memory, is written to a nonvolatile storage area. When the target of the write to the nonvolatile storage area is a portion of the mapping information, an information element required to restore the mapping information, from among a plurality of information elements constituting the mapping information, is written to the nonvolatile storage area as the portion of the mapping information.

Abstract: The present invention relates to An N-acetylglucosamine derivative represented by the following formula (1), and a hyaluronic acid production promoting agent containing the same and a skin external preparation containing the same: wherein R1 is a hydrogen atom or an alkyl group having 2 to 18 carbon atoms; R2, R3, and R4 are hydrogen atoms or acyl groups having 2 to 18 carbon atoms and may be all the same or different from others; the steric structure at position 1 may be ? or ?; provided that R1, R2, R3, and R4 must not be all hydrogen atoms. It is intended to provide an easily available hyaluronic acid production promoting agent and a skin external preparation whereby the production of hyaluronic acid can be promoted in the skin and thus the skin can be maintained in a vital and moist state so that it is expected that the human skin can be prevented from age.