Allocating FXoto Intermediate Datasets

When you perform FXoto operations using OPEN-xFMT volumes, you must allocate the intermediate datasets before starting the file transfer operations. The FX Allocater (ALC) utility can only be used on OPEN-xvolumes which have already been formatted using the FX FMT utility.

Note: FCU version 01-01-41 or later is required for the ALC utility.

Note: For versions 01-01-41: The ALC utility for UNIX is a UNIX command executed from the UNIX command line. The ALC utility for Windows 2000/2003/Windows NT systems is a GUI. The ALC utility for UNIX can only be used on volumes formatted with the FMT utility for UNIX. The ALC utility for Windows 2000/2003/Windows NT systems can only be used on volumes formatted with the FMT utility for Windows 2000/2003/Windows NT systems.

CAUTION: The capacity of the intermediate dataset varies depending on block length so remember to calculate the required size for the intermediate dataset. When you transfer variable-length records, make sure to take the four-byte RL information and four-byte BL information for each record into account.

UNIX - To allocate an FXoto intermediate dataset using the ALC utility:

1.Log in to the system as root.

2.Enter the following command at the UNIX command line prompt:

# allocds -d devname [-n datasetname] [-f recform] [-r reclen] [-b blocklen] [-c cylinders]

Note: Enter only one value for each parameter. You can only allocate one dataset at a time.

-d devname: Specify the raw device name of the OPEN-xvolume on which the dataset is being allocated. This parameter is required and must be specified.

-n datasetname: Specify the name of the dataset being allocated

(maximum forty-four characters: A-Z, 0-9, @, #, ., \). Use uppercase letters only, and do not use any spaces or symbols other than @, #, ., and

\.This parameter is required. If not specified, ALC will return the residual capacity (free space) on the specified volume in number of cylinders.

-r recform: Specify the record format of the dataset being allocated: F (fixed-length and de-blocking), FB (fixed and blocking), V (variable and de-blocking), or VB (variable and blocking). This parameter is required. If not specified, the default value of F is used.

-r reclen: Specify the record length (decimal) of the dataset being

allocated: 1 to 32760. This parameter is required. If not specified, the default value of 4096 is used.

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Hitachi MK-96RD647-01 manual Allocating FXoto Intermediate Datasets