Use verb code 01 and the text unit keys listed in Table 1 and described on the following pages to specify the DCB attributes of the data set being dynamically allocated. These attributes are described in z/OS MVS JCL Reference under the DCB parameter, and in z/OS DFSMS Macro Instructions for Data Sets.
Hex Text |
Mnemonic | DYNALLOC Function |
|---|---|---|
| 002E | DALBFALN | Specifies buffer alignment. |
| 002F | DALBFTEK | Specifies the buffering technique. |
| 0030 | DALBLKSZ | Specifies blocksize. |
| 0031 | DALBUFIN | Specifies the receiving buffer count. |
| 0032 | DALBUFL | Specifies the buffer length. |
| 0033 | DALBUFMX | Specifies the buffer count per line. |
| 0034 | DALBUFNO | Specifies the buffer count per DCB. |
| 0035 | DALBUFOF | Specifies the buffer offset. |
| 0036 | DALBUFOU | Specifies the sending buffer count. |
| 0037 | DALBUFRQ | Obsolete. The system checks the text unit for syntax and ignores it. |
| 0038 | DALBUFSZ | Specifies the line group buffer size. |
| 0039 | DALCODE | Obsolete. The system checks the text unit for syntax and ignores it. |
| 003A | DALCPRI | Specifies the relative sending and receiving priority. |
| 003B | DALDEN | Specifies the magnetic tape density. |
| 003C | DALDSORG | Specifies the data set organization. |
| 003D | DALEROPT | Specifies reading and writing error options. |
| 003E | DALGNCP | Specifies the GAM-I/O count per WAIT macro. |
| 003F | DALINTVL | Specifies the line polling interval per group. |
| 0040 | DALKYLEN | Specifies the data set key lengths. |
| 0041 | DALLIMCT | Specifies the search limit. |
| 0042 | DALLRECL | Specifies the logical record length. |
| 0043 | DALMODE | Specifies card punch/reader operational mode. |
| 0044 | DALNCP | Specifies the READ/WRITE count per CHECK. |
| 0045 | DALOPTCD | Specifies the control program's operational services. |
| 0046 | DALPCIR | Specifies the relationship of the receiving PCI to the allocation and freeing of buffers. |
| 0047 | DALPCIS | Specifies the relationship of the sending PCI to the allocation and freeing of buffers. |
| 0048 | DALPRTSP | Specifies printer line spacing. |
| 0049 | DALRECFM | Specifies the record format. |
| 004A | DALRSRVF | Specifies the first buffer's reserve byte count for insertion of data. |
| 004B | DALRSRVS | Specifies the secondary buffer's reserve byte count for insertion of data. |
| 004C | DALSOWA | Obsolete. The system checks the text unit for syntax and ignores it. |
| 004D | DALSTACK | Specifies the card punch's stacker bin. |
| 004E | DALTHRSH | Specifies the use percentage of non-reusable direct access message queue records per flush closedown. |
| 004F | DALTRTCH | Specifies the 7-track tape recording technique. |
| 0054 | DALDIAGN | Requests OPEN/CLOSE/EOV diagnostic trace option. |
| 005A | DALFUNC | Specifies the type of data set to be opened for the 3525 Card-Read-Punch-Print. |
| 005B | DALFRID | Obsolete. The system checks the text unit for syntax and ignores it. |
| 006B | DALLRECK | Specifies that a record length is in increments of 1,024 (K). |
| 0072 | DALKILO | Specifies a block size type of Kilobyte. |
| 0073 | DALMEG | Specifies a block size type of Megabyte. |
| 0074 | DALGIG | Specifies a block size type of Gigabyte. |