Does anyone know where or if you can change the block size for the mt devices? Via smit or chdev I can change the rmt devices, but no matter what I set the rmt device block size to the mt devices are built with a 1024 block size.
tsmserver:/=>lsattr -El rmt0 block_size 64 BLOCK size (0=variable length) True delay 45 Set delay after a FAILED command True density_set_1 0 DENSITY setting #1 True density_set_2 0 DENSITY setting #2 True extfm yes Use EXTENDED file marks True location Location Label True lun_id 0x1000000000000 Logical Unit Number ID Fals e mode yes Use DEVICE BUFFERS during writes True node_name 0x100000068d02efc0 FC Node Name Fals e res_support no RESERVE/RELEASE support True ret_error no RETURN error on tape change or reset True rwtimeout 144 Set timeout for the READ or WRITE command True scsi_id 0x110ef SCSI ID Fals e var_block_size 0 BLOCK SIZE for variable length support True ww_name 0x100000068d02efc0 FC World Wide Name Fals e tsmserver:/=>lsattr -El mt0 FCPORT_ID 0x110ef FC Port ID True LUNMAP_ID 0x1000000000000 Mapped LUN ID of the device True PRODUCT_ID DLT7000 Product ID of the device False WW_NAME 0x100000068d02efc0 WW Name of the Port False block_size 1024 Block Size True Thanks DW
