Hitachi, Ltd.

Masayasu Asano

Masayuki Yamamoto

Nobuhiro Maki

Yuichi Taguchi

Junichi Hara

Takayuki Nagai

Tetsuya Maruyama

Kyoko Miwa

Yasunori Kaneda

Wataru Okada

Hirotaka Nakagawa

Tsukasa Shibayama

Satoshi Miyazaki

Kenichi Kihara

Ken'ichi Soejima

Hiroshi Nasu

Koichi Murayama

Misako Kono

Nobuyuki Osaki

Hirokazu Ikeda

Misako Irisawa

Junji Ogawa

Yukinori Sakashita

Hironori Emaru

Akifumi Suzuki

Takashi Tameshige

Daisuke Shinohara

Nobumitsu Takaoka

Yuki Naganuma

Takeki Okamoto

Shinichiro Kanno

Kenichi Shimooka

Yoshifumi Takamoto

Takashi Oeda

Masaaki Iwasaki

Hideo Saito

Yasuyuki Mimatsu

Hirofumi Yamashita

Kentaro Watanabe

Mutsumi Hosoya

Toshiaki Arai

Hirofumi Inomata

Ryoji Furuhashi

Toru Nojiri

Fumi Miyazaki

Nobuhito Mori

Tomonori Esaka

Tomohiko Suzuki

Naoko Maruyama

Yujiro Ichikawa

A storage apparatus includes a storage unit for storing data read/written by a host computer and provides the host computer with a storage area of the storage unit as one or more volumes. The storage management computer includes a first memory for storing task information including contents of an operation process performed on the storage apparatus, as well as a scheduled starting time and scheduled termination time of a process. In the case where first task information is stored in the first memory, when resources used in the process of second task information stored in the first memory are the same as resources used in the process of the first task information, the storage management computer computes times required for executing the first task information and the second task information, based on a time during which the processes of the first and second task information conflict with each other.

Storage management computer and method for avoiding conflict by adjusting the task starting time and switching the order of task execution

A computer recovery method for a computer system, the computer system having: a management computer having a processor and a memory; and a computer having a processor, a memory, and a monitoring part for notifying, when an abnormality occurs, the management computer of the abnormality, the management computer being configured to instruct recovery from the abnormality, the computer recovery method having: a first step of obtaining, by the management computer, hardware components and software components of the computer as configuration information; a second step of receiving, by the management computer, notification of an abnormality from the monitoring part of the computer; and a third step of generating, by the management computer, after the notification is received, component string information for identifying a component where the abnormality has occurred from the configuration information.

Computer recovery method, computer system, and storage medium

A storage system, which comprises multiple memory cells and a storage controller, wherein the storage controller manages cell mode information, which either directly or indirectly denotes the number of bits to be stored in multiple memory cells. The cell mode information can be changed in accordance with a request from a management system.

Storage system

According to the present invention, it is possible to construct a backup configuration of a particular application data, without influencing data of another application. A management computer is coupled to a host computer on which an application operates, and to a storage apparatus that includes a plurality of volume groups each having one or more logical volumes. At least one of the logical volumes is allocated to the application. The management computer includes a volume group overlapping use determination part and a backup policy determination part. When the backup of the volume group to which one logical volume belongs is configured, the volume group overlapping use determination part determines whether there is another application that uses the volume group. The backup policy determination part determines whether there is set, for another volume group, backup policy information same as that set for the application.

Management computer used to construct backup configuration of application data

A management system is coupled to a storage system group including a scale-out storage system (a virtual storage system). The management system has storage management information, which includes information denoting, for each storage system, whether or not a storage system is a component of a virtual storage system. The management system, based on the storage management information, determines whether or not a first storage system is a component of a virtual storage system, and in a case where the result of this determination is affirmative, identifies, based on the storage management information, a second storage system, which is a storage system other than the virtual storage system that includes the first storage system, and allows a user to perform a specific operation only with respect to this second storage system.

Storage system group including scale-out storage system and management method therefor

In a storage system, a storage apparatus A having a first poolincluding segments as unit storage areas and a storage apparatus B having a second poolhaving the same configuration are communicably connected to each other. In the storage system, an external volume identifier is associated with a logical volumeincluded in the first pool, the external volume identifier being used by a controllerin the storage apparatus B to identify and manage the logical volumeas an external volumethat is a virtual volume in the storage apparatus B. Moreover, a volume identifierof the logical volumeincluded in the first poolis rewritten into the external volume identifier in order to enable the storage apparatus B to utilize the logical volumecreated from the first pool

Storage system and method for efficiently utilizing storage capacity within a storage system

A storage system manages a pool to which multiple VVOLs (virtual logical volumes conforming to thin provisioning) are associated, assigns a real area (RA) from any tier in an available tier pattern associated with a write-destination VVOL to a write-destination virtual area (VA), and carries out a reassignment process for migrating data inside this RA to an RA of a different tier than the tier having this RA based on the access status of the RA assigned to the VA. A management system assumes that a specified tier has been removed from the available tier pattern of a target VVOL, predicts the performance of the target VVOL and all the other VVOL associated with the pool to which the target VVOL is associated, determines whether or not there is a VVOL for which the predicted performance is lower than a required performance, and when such a VVOL does not exist, instructs the storage system to remove the specified tier from the available tier pattern of the target VVOL.

Management system and management method of storage system that performs control based on required performance assigned to virtual volume

An embodiment of this invention is a storage management system including a processor and a storage device to manage a storage system having one or more copy functions. The processor locates data designated to determine a backup method. The storage device stores copy function management information on the one or more copy functions of the storage system. The processor refers to the copy function management information to ascertain the unit of copy operation of each of the one or more copy functions. The processor determines a candidate for a copy function of the storage system to be used to back up the designated data depending on the data configuration in a volume holding the designated data and the unit of copy operation of the candidate for the copy function.

Storage management system and storage management method with backup policy

Management of a storage system is facilitated by associating physical volumes of the storage system with virtual volumes corresponding to virtual machines according to specified storage policies in advance. A plurality of disk control devices manage a specified storage area provided by the plurality of physical disks as one or more logical volumes and map the one or more logical volumes matching a storage policy or policies, which include capacity information about a virtual machine(s) and are set to construct the virtual machine, to a virtual volume(s) provided to the virtual machine in response to a request from the management server; and wherein when one of the storage policies is selected, the management server constructs the virtual machine by associating the virtual volume, which complies with the storage policy, with the virtual machine.

Storage system and the storage system management method

A storage system is configured to manage a pool to which multiple virtual volumes (VVOLs) are associated, assign a real area (RA) from any tier in an available tier pattern associated with a write-destination VVOL to a write-destination virtual area (VA), and carry out a reassignment process for migrating data inside the RA to an RA of a different tier, based on an access status of the RA. A management system is configured to assume a specified tier has been removed from the available tier pattern of a target VVOL, predict performance of all VVOLs associated with the pool to which the target VVOL is associated, determine whether there is a VVOL for which predicted performance is lower than a required performance, and when such a VVOL does not exist, instruct the storage system to remove the specified tier from the available tier pattern of the target VVOL.

Storage management system and storage management method

A storage apparatus includes a storage unit for storing data read/written by a host computer and provides the host computer with a storage area of the storage unit as one or more volumes. The storage management computer includes a first memory for storing task information including contents of an operation process performed on the storage apparatus, as well as a scheduled starting time and scheduled termination time of a process, and, in the case where first task information is stored in the first memory, when resources used in the process of second task information stored in the first memory are the same as resources used in the process of the first task information, the storage management computer computes times required for executing the first task information and the second task information, based on a time during which the processes of the first and second task information conflict with each other.

Growing community of inventors

Yokohama, Japan

Masayasu Asano