Abstract: To provide a printer apparatus which is capable of suitably clamping a printing medium of various types of material/thickness, for example, a sheet-like medium and a plate-like medium with a simple structure and is capable of feeding the printing medium accurately. A printer apparatus in the present invention includes a feeding mechanism having a feed roller provided at substantially the same height as an upper face of a medium support means and a plurality of roller assemblies having a pinch roller disposed above the feed roller and a printing medium placed on the medium support means is pinched between the feed roller and the pinch roller to be fed in the front and rear direction. The roller assembly is structured of an assembly main body and a roller member which includes the pinch roller and is attachable/detachable with respect to the assembly main body, and a clamp state can be changed by exchanging the roller member depending on material and/or thickness of the printing medium.

Abstract: A first memory area and a second memory area are provided. The first (second) memory area is provided with at least one first (second) memory module group, each of the first (second) memory module group is provided with at least one first (second) memory module, and each of the first (second) memory module is provided with a plurality of memory chip. In the case in which an error chip that is a memory chip that is provided with an error is in the first memory module, a first memory module group that is provided with the error chip is not managed as a memory module group that cannot be used even if there is a possibility that an error of the first data element is mis-corrected based on the error detecting code of the first kind.

Abstract: The object of the present invention is to provide a technique in which, in a storage apparatus using a PCI Express switch in an internal network, an EP can be shared among processors even if the EP is incompatible with the MR-IOV. A storage apparatus according to the present invention is provided with a first interface device which controls data input/output to and from a higher-level apparatus, and the first interface device is further provided with multiple virtual function units which provide virtual ports. The first interface device enables any of the virtual function units and does not enable any of the other virtual function units (see FIG. 14).

Abstract: The invention relates to a storage device in which MR-IOV is applied to the internal network of a storage controller, whereby the size of the storage device can be easily expanded. The storage device is expanded on the basis of a network having processor-connected RPs, FE I/F, BE I/F, and CM I/F that are connected with a switch. In the switch, a plurality of ports other than those connected to the RPs, FE I/F, BE I/F, and CM I/F are connected with a cross-link. Each processor is allowed to control the FE I/F, BE I/F, or CM I/F either via a path that passes through the cross-link or via a path that does not pass through the cross-link within the unit device. When unit devices are connected to expand the size of a storage device, the cross-link is removed first and then the unit devices are connected with a new cross-link (see FIG. 4).

Abstract: A printer including a medium supporting member that supports a print medium in a state placed thereon, a print head that has nozzles for ejecting ink droplets downward and freely reciprocates above the medium supporting member, and a maintenance device. The maintenance device is disposed to face the lower surface of the print head when the print head is in a standby position and receives residual ink in the nozzles which is ejected from the nozzles when the print head is in the standby position. The maintenance device has an ink receiving chamber that opens upward for receiving the residual ink ejected from the nozzles and a liquid injection member that injects liquid into the ink receiving chamber when the print head is away from a position where the print head faces the ink receiving chamber in the vertical direction.

Abstract: For at least one of storage unit, processor and cache memory which are I/O process-participating devices related to I/O command process, when a load of one or more I/O process-participating devices or a part thereof is a low load equal to or less than a predetermined threshold value, a processing related to a state of one or more of the I/O process-participating devices or a part thereof is redirected to another one or more I/O process-participating devices or a part thereof, and the state of the one or more I/O process-participating devices or a part thereof is shifted to a power-saving state.

Abstract: Proposed are a storage apparatus and a power consumption estimation method capable of easily and accurately estimating the power consumption of a physical drive without having to use a wattmeter. Operational information concerning a seek amount and a data transfer amount in the relevant hard disk drive which are internally recorded and retained by the respective hard disk drives is collected from each of the hard disk drives, and power consumption of each of the hard disk drives is estimated based on the acquired operational information of each of the hard disk drives.

Abstract: A medium transport apparatus includes a feeding roller configured to rotate around a rotational axis. A guide rail extends along the rotational axis. A slider is supported by the guide rail and movable along the rotational axis. A rotatable pinch roller is configured to clamp medium between the feeding roller and the pinch roller to move the medium. A lever is connected to the pinch roller and movable to change a clamping state with respect to the medium between the feeding roller and the pinch roller. An arm is connected to the slider and configured to take an engaging position where the arm moves the lever to change the clamping state when the slider moves along the rotational axis and a standby position where the arm is not engaged with the lever when the slider moves along the rotational axis.

Abstract: Provided is a storage subsystem capable of maintaining the reliability of I/O processing to a host apparatus, even if there is an unauthorized access from a processor core to a switch circuit, by applying a multi-core system to a processor. A multi-core processor is applied to a second logical address space that is different from a first logical address space to be commonly applied to multiple controlled units such as a host interface to be accessed by the processor. The switch circuit determines the processor core that issued an access based on an address belonging to a second address space, and maps an address containing in an access from the processor core to an address of a first address space.

Abstract: A data transfer device that confirms completion of writing into a memory on transferring data to the memory via a bus through which a response indicating completion of data writing in the memory is not sent back includes an inter-memory data transfer control unit performing data transfer between the memories. When the inter-memory data transfer control unit detects switching of a write destination memory from a first memory to a second memory, in order to confirm that writing into the first memory is completed, the inter-memory data transfer control unit performs confirmation of write completion as to the first memory by a procedure different from writing into the memory.

Abstract: The present invention obtains with high precision, in a storage system, the effect of additional installation or removal of cache memory, that is, the change of the cache hit rate and the performance of the storage system at that time. For achieving this, when executing normal cache control in the operational environment of the storage system, the cache hit rate when the cache memory capacity has changed is also obtained. Furthermore, with reference to the obtained cache hit rate, the peak performance of the storage system is obtained. Furthermore, with reference to the target performance, the cache memory and the number of disks and other resources that are additionally required are obtained.

Abstract: For at least one of storage unit, processor and cache memory which are I/O process-participating devices related to I/O command process, when a load of one or more I/O process-participating devices or a part thereof is a low load equal to or less than a predetermined threshold value, a processing related to a state of one or more of the I/O process-participating devices or a part thereof is redirected to another one or more I/O process-participating devices or a part thereof, and the state of the one or more I/O process-participating devices or a part thereof is shifted to a power-saving state.

Abstract: A fault-tolerant storage system is provided. The storage system is composed of a controller having a plurality of processors and other units. When an error occurs in any one of the components in the controller, the storage system cuts off an I/O path of the controller, specifies the failed component in the cutoff status, and invalidates the failed component. After invalidating the failed component, the storage system determines whether it is operable only with the normal components, cancels (releases) the cutoff of the I/O path when it determines that it is operable, and resumes operation by rebooting.

Abstract: Processing in accordance with the updating of data is carried out distributively by a control unit that controls a cache memory and by a memory controller that controls a nonvolatile semiconductor memory. When updating flash memory data, a main processor creates an XOR write command and transfers the same to a flash memory controller, a microprocessor of the flash memory controller parses the XOR write command, reads out an old parity from a page of a user area in the flash memory, creates a new parity by carrying out an exclusive OR operation using the read-out old parity, “b” data, which is the old data, and “d” data, which is the new data, and stores the created new parity in a page of a renewal area in a flash memory for storing parity.

Abstract: Logical/physical conversion information is configured from first conversion information and second conversion information. A controller of a flash memory module restores the first conversion information at boot up time, enables an access command to be received from a host after having restored the first conversion information, and restores the second conversion information after an access command is able to be received.

Abstract: The amount of data to be stored in a semiconductor nonvolatile memory can be reduced and overhead associated with data processing can be reduced. When a microprocessor 112 receives a write request from a host computer 300 and data D1 to D3 exist in a cache slot 117, the microprocessor 112 reads the LBA of each piece of the data, manages each piece of the data D1 to D3 using a bitmap table 118 by associating them with their LBAs, generates a specific command CMD based on the LBAs of the data D1 to D3, adds the data D1 to D3 and addresses ADD1 to ADD3 indicating where the data D1 to D3 are to be stored, to the specific command CMD, and sends it to an FMPK 30. The FMPK 130 stores each piece of update data in a specified block in the flash memory 135 based on the specific command CMD.

Abstract: A fault-tolerant storage system is provided. The storage system is composed of a controller having a plurality of processors and other units. When an error occurs in any one of the components in the controller, the storage system cuts off an I/O path of the controller, specifies the failed component in the cutoff status, and invalidates the failed component. After invalidating the failed component, the storage system determines whether it is operable only with the normal components, cancels (releases) the cutoff of the I/O path when it determines that it is operable, and resumes operation by rebooting.

Abstract: A printer-plotter includes a guide rail, a first head, a second head, a driving device, a first connecting mechanism and a second connecting mechanism. The guide rail extends in a longitudinal direction. The first head is supported by the guide rail and movable along the longitudinal direction. The second head is supported by the guide rail and movable independently of the first head along the longitudinal direction. The driving device includes a driving force transmitting member and a driving mechanism configured to move the driving force transmitting member. The first connecting mechanism is configured to detachably connect the first head to the driving force transmitting member. The second connecting mechanism is configured to detachably connect the second head to the driving force transmitting member.

Abstract: When data of HDD of computer is backed up to a a data center and a failure occurs in the HDD, the computer notifies failure information to the data center, and the data center stores the backed up data in a storage medium substituting HDD for subsequent delivery. Further, the computer executes processing, using a VNC server, from failure occurrence until recovery.

Abstract: A fault-tolerant storage system is provided. The storage system is composed of a controller having a plurality of processors and other units. When an error occurs in any one of the components in the controller, the storage system cuts off an I/O path of the controller, specifies the failed component in the cutoff status, and invalidates the failed component. After invalidating the failed component, the storage system determines whether it is operable only with the normal components, cancels (releases) the cutoff of the I/O path when it determines that it is operable, and resumes operation by rebooting.