Patent application number | Description | Published |
20080201542 | DATA MIGRATING METHOD TAKING END TIME INTO CONSIDERATION - There is provided a data migrating method including the steps of: calculating, in a case where data stored in a volume is migrated to another volume, a required period of time for migrating the data based on a size of data to be migrated and volume configuration information on the volume in which the migrated data is stored and the volume to which the data is to be migrated; determining a start time at which the data migration starts to generate a volume migration plan; setting a priority of the generated volume migration plan; prioritizing, in a case where a periods of time during which the generated volume migration plan is executed and a period of time during which an existing volume migration plan is executed are overlapped with each other, and changing the start time of at least one of those volume migration plans having a lower priority. | 08-21-2008 |
20080201544 | STORAGE SYSTEM - A processor of a storage controller receives an erasure process request relating to data stored in a storage unit, from a host computer, via a data I/O interface, detects a logical storage extent which is different to the logical storage extent allocated to the storage unit and which can be allocated, allocates the logical storage extent thus detected to the storage unit, sends a notification indicating that access to the storage unit is possible, to the host computer which is the source of the request, and then executes erasure of the data in the logical storage extent that is associated with the storage unit forming the erasure object, and sends a data erasure notification to the management computer when the data has been erased. | 08-21-2008 |
20080209104 | Data Migration Method - A first storage system includes a first storage area for storing data written by a computer. A second storage system includes a second storage area to which the data stored in the first storage area migrates. A third storage system includes a virtual storage area corresponding to the second storage area. An access request to the virtual storage area is converted into an access request to the second storage area to be issued. A management computer transmits, to the third storage system, an instruction to migrate the data of the second storage area to a third storage area of the third storage system based on a determination result between a value of the data migrated to the second storage area and a predetermined threshold value. | 08-28-2008 |
20080215843 | STORAGE AREA MANAGEMENT METHOD FOR A STORAGE SYSTEM - The load of managing a storage system is lessened. In a storage system where multiple logical volumes are included in a logical volume group and a copy of the logical volume group is made in a pool area different from the one to which the logical volume group belongs, a management computer adds to the pool area capacity when the capacity of a pool area exceeds a predetermined threshold. When the pool area includes multiple logical volume groups, the management computer requests the storage system to create a pool area for each of the logical volume groups and to create the logical volume groups respectively for the created pool areas. When the pool area includes one logical volume group, the management computer requests the storage system to make the capacity of the pool area coincide with the capacity of a pool area to which the logical volume group is copied. | 09-04-2008 |
20080216086 | METHOD OF ANALYZING PERFORMANCE IN A STORAGE SYSTEM - A method of balancing a load in a computer system having at least one storage system, and a management computer, each of the storage systems having physical disks and a disk controller, the load balancing method including the steps of: setting at least one of the physical disks as a parity group; providing a storage area of the set parity group as at least one logical volumes to the host computer; calculating a logical volume migration time when a utilization ratio of the parity group becomes equal to or larger than a threshold; and choosing, as a data migration source volume, one of the logical volumes included in the parity group that has the utilization ratio equal to or larger than the threshold, by referring to the calculated logical volume migration time, the data migration source volume being the logical volume from which data migrates. | 09-04-2008 |
20080228841 | INFORMATION PROCESSING SYSTEM, DATA STORAGE ALLOCATION METHOD, AND MANAGEMENT APPARATUS - An information processing system includes: information processing apparatuses, each replicating data sent from a host computer according to redundancy designated by the host computer and creating copy data; a first storage system having volume(s) for storing the data and the copy data; and a management apparatus for managing the information processing apparatuses and the first storage system. The information processing system has: an acquisition unit for acquiring volume replication information indicating whether the volumes are to re replicated in volume(s) in a second storage system; a data storage allocation unit for setting, based on the volume replication information, at least one of the information processing apparatuses as an information processing apparatus for storing the data in a volume to be replicated in the second storage system volume; and a transmission unit for transmitting information concerning the information processing apparatus for storing the data to the information processing apparatuses. | 09-18-2008 |
20080276061 | METHOD AND COMPUTER FOR DETERMINING STORAGE DEVICE - A computer specifies the configuration of a first storage device by referencing first configuration information relating to the configuration of a first storage system including the first storage devices, specifies one or more storage medium access performances corresponding to the first storage device by referencing the storage medium performance information, and calculates a first access performance index of the first storage device based on one or more specified storage medium access performances. The computer then references storage medium performance information and second configuration information relating to the configuration of a second storage system including a second storage device, and determines a second storage device having an access performance index that is at least equal to the calculated first storage access performance index. | 11-06-2008 |
20090013012 | JOURNAL MANAGEMENT METHOD IN CDP REMOTE CONFIGURATION - A first storage system specifies a journal to be transferred in accordance with a time period for retaining write data in update (write) units of data in a second storage system, and transfers this journal to the second storage system. Data for which the retention period has expired is transferred by selecting write data by address. | 01-08-2009 |
20090031320 | Storage System and Management Method Thereof - A storage system comprises a first storage apparatus having a volume for a host computer, a second storage apparatus connected to the first storage apparatus, and having a volume having a pair relationship with a first volume in the first storage apparatus, and a management apparatus connected to the first storage apparatus and the second storage apparatus. The management apparatus includes a user interface for setting an attribute of a function related to the volume of the first storage apparatus and an attribute of a function related to the volume of the second storage apparatus. The management apparatus compares the attribute of the function related to the first volume and the attribute of the function related to the second volume, and outputs the result of the comparison to the user interface. | 01-29-2009 |
20090044035 | Management apparatus, management method and storage management system - A management apparatus, a management method, and a storage management system that more specifically manage power consumption, making it easy to analyze problems relating to power consumption or properly relocate data are provided. | 02-12-2009 |
20090063596 | BACKUP DATA ERASURE METHOD - According to this invention, a computer system has a host computer, a first storage subsystem providing a first volume, a second storage subsystem providing a second volume for storing a copy of data stored in the first volume. The computer system stores copy configuration information including correspondence between the first volume and the second volume. The management computer transmits the data erasure request to the first storage subsystem upon reception of a first data erasure request for erasing the first volume. The first storage subsystem stops a copying process of data stored in the first volume to the second volume, transmits a second data erasure request for erasing the second volume to the second storage subsystem, and erases the data stored in the first volume. Thus, in the case of erasing data stored in a storage area, corresponding data stored in a destination storage area is also erased so that security risks can be reduced. | 03-05-2009 |
20090063797 | BACKUP DATA ERASURE METHOD - A computer system comprises a storage subsystem, a host computer and a management computer, and stores catalogue information containing correspondence between a first volume for data reading or writing and a second volume for storing a copy of the data stored in the first volume. The management computer requests the storage subsystem to erase the data stored in the first volume upon reception of an erasure request of the data stored in the first volume. The storage subsystem erases the data stored in the first volume. The management computer specifies a second volume for storing the copy of the data stored in the first volume based on the catalogue information. The storage subsystem erases data stored in the specified second volume. Thus, security risks are reduced by erasing data regarding the data when the data stored in the volume is erased. | 03-05-2009 |
20090063872 | MANAGEMENT METHOD FOR ARCHIVE SYSTEM SECURITY - Creating a plaintext index from a text that is extracted from a file presents the risk of a leak of confidential information from the created index. To address this problem, provided is a computer system which has a computer, a storage subsystem coupled to the computer, and a network coupling the computer and the storage subsystem. The computer has an interface coupled to the network, a first processor coupled to the interface, and a memory coupled to the first processor. The storage subsystem has a disk device which stores data. A storage area of the disk device is divided into a plurality of storage areas including, at least, a first storage area and a second storage area. The first processor reads a part of data stored in the first storage area, encrypts the part of data read from the first storage area when the data stored in the first storage area is judged as encrypted data, and writes the encrypted part of data in the second storage area. | 03-05-2009 |
20090077557 | METHOD AND COMPUTER FOR SUPPORTING CONSTRUCTION OF BACKUP CONFIGURATION - For a storage system which holds backup data of a first data storage extent in one or more second data storage extents in use of a first backup method, a backup status in a first backup method in a prescribed period is acquired and a first backup performance in a first backup configuration is computed based on this backup status. Meanwhile, a second backup performance in a second backup configuration is estimated based on a prescribed assumption in a prescribed period. Information is outputted based on the computed first backup performance and the estimated second backup performance. | 03-19-2009 |
20090083344 | Computer system, management computer, and file management method for file consolidation - Provided is a computer system, including: a computer; and a storage system coupled to the computer via a network. The computer includes: an interface coupled to the network, a processor coupled to the interface and a memory coupled to the processor. The storage system includes a plurality of volumes in which files are stored. The processor is configured to: decide duplicating files from among the files stored in the plurality of volumes as files to be consolidated; identify a plurality of volumes in which the files to be consolidated are stored; select at least one volume from among the identified plurality of volumes as a consolidation volume based on loads imposed on the identified plurality of volumes; and delete the files to be consolidated stored in the volumes that are not selected. Accordingly, in data de-duplication, it is possible to avoid extra loads from centralizing in a high-load-bearing volume. | 03-26-2009 |
20090157768 | COMPUTER SYSTEM AND DATA LOSS PREVENTION METHOD - A primary storage system and a secondary storage system are connected via a copy network in this computer system. This computer system includes a measurement unit for measuring an update data input amount to be input into the primary update data storage area, a calculation unit for calculating a recovery point in each given period of time based on the measured update data input amount and the band of the copy network, and a comparison unit for comparing the calculated recovery point and a target recovery point to be pre-set as a target value for recovering the update data. | 06-18-2009 |
20090204618 | Storage system - A storage system capable of identifying all volumes to be audited is provided. | 08-13-2009 |
20090216973 | COMPUTER SYSTEM, STORAGE SUBSYSTEM, AND DATA MANAGEMENT METHOD - To prevent, when data is erased from a storage system that stores differential of updated data, a large amount of differential data from being created, a storage subsystem provides a first storage area which stores data, and includes a second storage area which stores a replication of data stored in the first storage area. When the data stored in the first storage area is updated, the data is replicated to the second storage area before the data is updated. When a request to erase the data stored in the first storage area is received, replication of unupdated data to the second storage area is suspended and the data stored in the first storage area is erased based on the request to erase the data. | 08-27-2009 |
20090300387 | OPERATION METHOD OF STORAGE APPARATUS, STORAGE APPARATUS AND STORAGE SUBSYSTEM - Proposed is an operation method for seeking a power interruption operation target in which MTBF will become longest. When a target value regarding a power interruption time and a target value regarding a power interruption count per 24 hours is input from an administrator to a management computer, the management computer calculates the MTBF after one year and the annual power consumption for each of the input target values, and, as a power interruption operation target in which the MTBF will become longest in one year, a target value regarding a power interruption time and a target value regarding a power interruption count are respectively selected among multiple target values in which the MTBF will become longest based on each of the calculation results, and displayed on a screen of an output unit. | 12-03-2009 |
20100011085 | COMPUTER SYSTEM, CONFIGURATION MANAGEMENT METHOD, AND MANAGEMENT COMPUTER - To manage the configuration of a data archiving system without increasing the load on the data archiving system while keeping the performance of computers and the load on storage subsystems balanced, there is provided a computer system, including: a plurality of data archiving servers; a storage subsystem which provides storage extents to the plurality of data archiving servers; and a management computer. The management computer manages data archiving server performance management information, which holds information about performance of the plurality of data archiving servers, and storage utilization information, which holds information about load on the storage extents. The management computer changes the association between the data archiving storage extents and the storage extents based on a data archiving server performance management information and a storage utilization information. | 01-14-2010 |
20100049916 | POWER-SAVING-BACKUP MANAGEMENT METHOD - A storage subsystem includes: a controller; a first logical storage area corresponding to a RAID group configured by a plurality of storage devices; and a second logical storage area corresponding to a plurality of the RAID groups each configured by the plurality of storage devices, and storing a copy of data stored in the first logical storage area. In the storage subsystem, the first and second logical storage areas form a copy group, and for starting copying from the first to second logical storage area, the controller performs a mode change, from a power saving mode to a ready mode, to the plurality of storage devices configuring the plurality of RAID groups corresponding to the second logical storage area. With such a storage subsystem, the time can be reduced for activating copy-destination storage devices to which a power saving function is applied, and the copy time is thus favorably reduced. | 02-25-2010 |
20100070731 | STORAGE SYSTEM HAVING ALLOCATION-ON-USE VOLUME AND POWER SAVING FUNCTION - A storage system includes physical memory devices, pool volumes, including real areas, an allocation-on-use (AOU) volume including virtual areas, and a controller allocating a non-allocated real area in a pool including the pool volumes to a virtual area corresponding to an address specified by a writing command when no real area is allocated to the virtual area, and writing data corresponding to the received writing command to the allocated real area. The controller moves data stored in all the real areas in a first pool volume allocated to the AOU volume to a second pool volume, and changes a power consuming status of the physical memory device constituting the first pool volume to a power saving mode after the data has been moved. | 03-18-2010 |
20100082935 | COMPUTER SYSTEM AND CAPACITY MANAGEMENT METHOD OF COMPUTER SYSTEM - It is necessary to install a program called an agent in order to keep track of how much a file system on a computer uses a disk. On this account, loads might be applied to a server due to installation work or the agent program to increase primary costs. In addition, software inside a storage device determines and records a target block for data input/output and keeps track of capacity utilization, which might degrade the input/output performance of the storage device. A computer system is provided in which configuration information and operating information are acquired from a storage device, when data input/output is made from a computer to a logical unit, it is determined that the computer uses the logical unit to which input/output is made, and capacity used by the computer is computed. | 04-01-2010 |
20100088465 | CONTROL DEVICE OF A STORAGE SYSTEM COMPRISING STORAGE DEVICES OF A PLURALITY OF TYPES - A control device of a storage system including a CPU which receives input information including at least a size and an archive deadline of data which is stored in storage devices; wherein data management information includes a write threshold value regarding one type of storage devices, the write threshold value indicating a write limit number to the one type of storage devices, wherein the CPU: selects a storage device which stores data corresponding to the information which is input to an input device, based on the information which is input to the input device and the data management information which is stored in the memory; CPU stores to the selected storage device, the data corresponding to the information which is input to the input device; and, registers to the data management information in the memory, at least one of the information which is input to the input device. | 04-08-2010 |
20100106988 | CONTROL METHOD WITH MANAGEMENT SERVER APPARATUS FOR STORAGE DEVICE AND AIR CONDITIONER AND STORAGE SYSTEM - To provide a system that can reduce the power consumption of an air conditioner and the power consumption of a storage device. A control method with a management server apparatus for a plurality of storage devices and an air conditioner includes calculating plural combinations of allocating the work amount to the plurality of storage devices, calculating the heating value of each storage device included in the plurality of storage devices for each of the plural combinations, calculating the quantity of heat conducted to the air conditioner, based on the heating value and positional information of the plurality of storage devices and the air conditioner, calculating the power consumption to cool the quantity of heat conducted to the air conditioner, selecting a combination included in the plural combinations based on the power consumption of the air conditioner, and issuing a move instruction of moving the data stored in a first storage device to a second storage device to the plurality of storage devices, based on the selected combination. | 04-29-2010 |
20100205371 | STORAGE SYSTEM - The threshold excess is judged by a peak value, and therefore, since the threshold excess is judged by a value of high-workload IO of backup or the like that is designed on the assumption that the workload of storage is high, whether the performance limit has been reached remains uncertain. Furthermore, although an optimistic prediction trend with low workload trend and a pessimistic prediction trend with high pessimistic workload trend are presented, LUs that require improvement remain uncertain. Moreover, the time to improve the configuration and the effect of the improvement remain uncertain, and therefore, an improved configuration cannot be determined. | 08-12-2010 |
20100325378 | DATA MIGRATING METHOD TAKING END TIME INTO CONSIDERATION - There is provided a data migrating method including the steps of: calculating, in a case where data stored in a volume is migrated to another volume, a required period of time for migrating the data based on a size of data to be migrated and volume configuration information on the volume in which the migrated data is stored and the volume to which the data is to be migrated; determining a start time at which the data migration starts to generate a volume migration plan; setting a priority of the generated volume migration plan; prioritizing, in a case where a periods of time during which the generated volume migration plan is executed and a period of time during which an existing volume migration plan is executed are overlapped with each other, and changing the start time of at least one of those volume migration plans having a lower priority. | 12-23-2010 |
20110016336 | STORAGE SYSTEM, CONTROL METHOD OF STORAGE DEVICE - The present invention provides a technique that enables, in an environment in which an upper limit of electric energy consumption is prescribed for a specific period, operations of a storage device while keeping the electric energy consumption within the prescribed upper limit and, at the same time, maintaining operations of a disk device of a storage device necessary for providing services to a user. A storage system according to the present invention includes a storage device having one or more energized parts and a management device that manages operations of the storage device. The management device acquires electric energy consumption of the energized part and controls the operational state of the energized part so that the electric energy consumption of the storage device over a predetermined period does not exceed a prescribed upper limit. | 01-20-2011 |
20110029739 | Storage system and control method for the same, and program - The present invention provides a criterion for determining whether or not to apply de-duplication processing. That is, by setting a reduction effect threshold to control switching the de-duplication between ON and OFF, the present invention allows operation such that the de-duplication is applied for a volume for which a high capacity-reduction effect is provided by the de-duplication processing, and in contrast, the de-duplication is not applied to maintain performance for a volume for which a low capacity-reduction effect is provided by the de-duplication processing. | 02-03-2011 |
20110047321 | STORAGE PERFORMANCE MANAGEMENT METHOD - The computer system having a storage subsystem for storing data in a logical storage extent created in a physical storage device constituted of a physical storage medium, a host computer for reading/writing data from/to the logical storage extent via a network, and a management computer for managing the storage subsystem. The management computer records components of the storage subsystem, a connection relation between the components included in a network path, a correlation between the logical storage extent and the components, and a load of each component, specifies components included in a leading path from an interface through which the storage subsystem is connected with the network to the physical storage medium, measures loads of the specified components to improve performance. | 02-24-2011 |
20110078405 | COMPUTER SYSTEM MANAGEMENT APPARATUS AND MANAGEMENT METHOD FOR THE COMPUTER SYSTEM - Provided is a computer system including a plurality of storage apparatuses, in which, if the storage apparatuses employ an external mapping/connection system, the plurality of storage apparatuses can efficiently use each other's storage resources. The computer system includes a plurality of storage apparatuses and a management computer for managing the storage apparatuses. The management computer determines whether or not it is possible to perform external connection between the plurality of storage apparatuses and whether or not it is possible to divert the use of a storage device in one storage apparatus to another storage apparatus, on the basis of a criteria table, and if it is possible to perform external connection between the plurality of storage apparatuses, it is carried out and, if it is not possible, the management computer diverts the use of a storage device in one storage apparatus to another storage apparatus. | 03-31-2011 |
20110208911 | STORAGE SYSTEM, CONTROL METHOD THEREOF, AND PROGRAM - This invention manages a power consumption of a system including a computer and a storage in combination with a workload of a business application. More specifically, a power consumption per transaction processing count is employed as an index that an application user utilizes as a guide for adjusting a power consumption amount. Further, the invention provides means that adjusts a power consumption per workload based on a trade off between power consumption and system performance. When adjusting the power consumption, the system configuration is modified so as to increase or decrease computer resources such as a disk or a server that the application utilizes. | 08-25-2011 |
20110208937 | STORAGE SYSTEM, CONTROL METHODS FOR THE SAME AND PROGRAMS - The present invention calculates the power consumption of the storage system for each device which supplies power with a storage system, and controls the storage system to keep the power consumption not to exceed the upper limit. In order to achieve this, the power consumption of the chassis configuring the destination storage system is calculated with reference to the number of logical volumes configuring the pool which includes virtual logical volumes, and the logical volumes included in the source storage system are migrated to the virtual logical volumes included in the destination storage system, keeping the power consumption specified in advance per device supplying power to the chassis configuring the destination storage system not to exceed the upper limit value. (Refer to FIG. | 08-25-2011 |
20110231452 | STORAGE SYSTEM AND RESOURCE MANAGEMENT METHOD FOR STORAGE SYSTEM - Log manipulation by a first administrator is prevented so that the reliability of system auditing can be improved. | 09-22-2011 |
20110231580 | INFORMATION SYSTEM, INFORMATION APPARATUS AND METHOD OF CONTROLLING INFORMATION APPARATUS - An object of the present invention is to properly estimate a storage capacity or the performance of a storage device to be prepared in a remote site. | 09-22-2011 |
20110231604 | STORAGE SYSTEM AND CONTROL METHOD THEREOF AS WELL AS PROGRAM - In a storage system in which computers are connected via a network, in order to avoid a state where communication quality is degraded due to poor performance of an apparatus constituting the network, for a transfer data amount, an amount of data sent out from a storage apparatus is suppressed. Moreover, the storage apparatus inhibits a read-ahead process, in accordance with the suppression of the sending out of the data. Furthermore, proper load allocation is realized by migrating a logical storage unit provided by the storage, to another network interface or a second storage apparatus, without changing a configuration of the network. | 09-22-2011 |
20110246732 | COMPUTER SYSTEM FOR CONTROLLING BACKUPS USING WIDE AREA NETWORK - One of a backup apparatus and a storage system performs control to store backup data in a storage system which belongs to an organization and/or location different from an organization and/or location to which a storage-target storage system for original data belongs, based on information (P) and/or (Q) below:
| 10-06-2011 |
20110320754 | MANAGEMENT SYSTEM FOR STORAGE SYSTEM AND METHOD FOR MANAGING STORAGE SYSTEM - Provided is a management system for a storage system, the storage system including a first storage subsystem and a second storage subsystem each including logical storage areas for storing data to be processed by a host computer, the logical storage areas in each of the first and second storage subsystems having storage tiers associated respectively with a plurality of storage area characteristic information pieces which are information pieces characterizing the corresponding logical storage areas and which are different from each other, the management system comprising a data migration management part, wherein when the data is migrated from the first storage subsystem to the second storage subsystem, the data migration management part: acquires a configuration of the storage tiers of the logical storage areas of the first storage subsystem in which the data of a migration target is stored; compares the configuration with a configuration of the storage tiers of the logical storage areas of the second storage subsystem; and then migrates the migration target data stored in the logical storage areas of the first storage subsystem to the logical storage areas of the second storage subsystem in accordance with a result of the comparison. | 12-29-2011 |
20120011308 | CONTROL DEVICE OF A STORAGE SYSTEM COMPRISING STORAGE DEVICES OF A PLURALITY OF TYPES - A control device of a storage system that includes a plurality of storage devices including a first type of storage device, including: a memory which stores an archive deadline of archive target data which are a target of archiving by the storage system and a warranty deadline which is a quality warranty deadline of parity groups configured by two or more of the first type of storage devices; a controller which stores the archive target data in the parity groups configured by two or more of the first type of storage device, and wherein the parity group storing the archive target data is a parity group whose warranty deadline is near the archive deadline of the archive target data, among a plurality of the parity groups. | 01-12-2012 |
20120016854 | FILE-SHARING SYSTEM AND METHOD FOR MANAGING FILES, AND PROGRAM - A file, for which writing has been reserved, in a file-sharing system can be efficiently read. A check-in file agent is provided in a computer that executes check-in of a file as the file-write reserving processing, a file manager is provided in a file-sharing computer, and a check-out file agent is provided in a computer that executes check-out of a file as the file reading processing. Upon request for check-in of a file, the check-in file agent divides the file into divided files and generates metadata that indicates the order of division of the file, and transmits them to the file-sharing computer for storage therein. Upon request for check-out of the file, the check-out file agent receives the metadata from the file-sharing computer, and based on the metadata, sequentially receives the divided files to generate a file to be checked out. | 01-19-2012 |
20120179887 | DATA MIGRATING METHOD TAKING END TIME INTO CONSIDERATION - A data migrating method including calculating, in a case where data stored in a volume is migrated to another volume, a required period of time for migrating the data based on a size of data to be migrated and volume configuration information on the volume in which the migrated data is stored and the volume to which the data is to be migrated, determining a start time at which the data migration starts to generate a volume migration plan, setting a priority of the generated volume migration plan, prioritizing, in a case where a periods of time during which the generated volume migration plan is executed and a period of time during which an existing volume migration plan is executed are overlapped with each other, and changing the start time of at least one of those volume migration plans having a lower priority. | 07-12-2012 |
20120185645 | STORAGE SYSTEM AND MANAGEMENT METHOD THEREOF - A storage system including a first storage apparatus having at least one volume to be provided to a host computer, a second storage apparatus connected to the first storage apparatus and having a second volume having a pair relationship with a first volume, and a management apparatus. The management apparatus includes a user interface for setting an attribute of functions related to at least one volume of the first storage apparatus and at least one volume of the second storage apparatus. The management apparatus compares an attribute of a first function related to the first volume and an attribute of a second function related to the second volume, and sets the attribute of the second function to be consistent with the attribute of the first function. The management apparatus there commands restoration of the first volume or the second volume to a state before the set the attribute operation. | 07-19-2012 |
20120226856 | CONTROL METHOD WITH MANAGEMENT SERVER APPARATUS FOR STORAGE DEVICE AND AIR CONDITIONER AND STORAGE SYSTEM - Arrangements reducing power consumption of an air conditioner and a storage device. A control method with a management server apparatus for a plurality of storage devices and an air conditioner includes calculating plural combinations of allocating the work amount to the plurality of storage devices, calculating the heating value of each storage device included in the plurality of storage devices for each of the plural combinations, calculating the quantity of heat conducted to the air conditioner, based on the heating value and positional information of the plurality of storage devices and the air conditioner, calculating the power consumption to cool the quantity of heat conducted to the air conditioner, selecting a combination included in the plural combinations based on the power consumption of the air conditioner, and issuing a move of the data stored in a first storage device to a second storage device, based on the selected combination. | 09-06-2012 |
20130097378 | STORAGE SYSTEM AND CONTROL METHOD THEREOF AS WELL AS PROGRAM - In a storage system in which computers are connected via a network, in order to avoid a state where communication quality is degraded due to poor performance of an apparatus constituting the network, for a transfer data amount, an amount of data sent out from a storage apparatus is suppressed. Moreover, the storage apparatus inhibits a read-ahead process, in accordance with the suppression of the sending out of the data. Furthermore, proper load allocation is realized by migrating a logical storage unit provided by the storage, to another network interface or a second storage apparatus, without changing a configuration of the network. | 04-18-2013 |