DISK ARRAY CONTROL DEVICE AND STORAGE DEVICE
First Claim
1. A disk array control device which manages a plurality of drives as a single logical drive, comprising:
- a first register configured to store a to-be-accessed drive number which is designated by a host; and
a control module configured to determine whether a command received from the host is a predetermined command which is used for maintenance of each of the drives, and execute, in a case where the received command is the predetermined command, a pass-through process of sending the received command to the drive which is designated by the to-be-accessed drive number in the first register.
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Accused Products
Abstract
According to one embodiment, a disk array control device manages a plurality of drives as a single logical drive. The disk array control device includes a first register configured to store a to-he-accessed drive number which is designated by a host, and a control module. The control module is configured to receive a command from the host, determine whether the received command is a predetermined command which is used for maintenance of each of the drives, and execute, in a case where the received command is the predetermined command, a pass-through process of sending the received command to the drive which is designated by the to-be-accessed drive number in the first register.
216 Citations
10 Claims
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1. A disk array control device which manages a plurality of drives as a single logical drive, comprising:
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a first register configured to store a to-be-accessed drive number which is designated by a host; and a control module configured to determine whether a command received from the host is a predetermined command which is used for maintenance of each of the drives, and execute, in a case where the received command is the predetermined command, a pass-through process of sending the received command to the drive which is designated by the to-be-accessed drive number in the first register. - View Dependent Claims (2, 3, 4, 5)
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6. A storage device comprising:
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a housing; a plurality of drives provided in the housing; and a disk array control device provided in the housing, configured to manage the plurality of drives as a single logical drive, the disk array control device including a first register configured to store a to-be-accessed drive number which is designated by a host, and a control module configured to determine whether a command received from the host is a predetermined command which is used for maintenance of each of the drives, and execute, in a case where the received command is the predetermined command, a pass-through process of sending the received command to the drive which is designated by the to-be-accessed drive number in the first register. - View Dependent Claims (7, 8, 9)
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10. An information processing apparatus comprising:
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an information processing apparatus main body; and a storage device which is provided in the information processing apparatus main body and includes a housing, a plurality of drives provided in the housing, and a disk array control device which is provided in the housing and manages the plurality of drives as a single logical drive, the disk array control device including a first register which stores a to-be-accessed drive number which is designated by the information processing apparatus main body, and a control module which determines whether a command received from the information processing apparatus main body is a predetermined command which is used for maintenance of each of the drives, and executes, in a case where the received command is the predetermined command, a pass-through process of sending the received command to the drive which is designated by the to-be-accessed drive number in the first register.
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Specification