Technical data

Tape files (cont’d)
accessing for read and write operations, Vo l 1 ,
10–23
append operation, Vo l 1, 10–27
closing after opening for read access, Vo l 1 ,
10–26
closing after opening for write access, Vo l 1,
10–27
copying, Vo l 1, 10–31
definition, Vo l 1, 9–12
locating for read and write access, Vo l 1, 10–24
modifying characteristics, Vo l 1 , 10–18
reading, Vo l 1, 10–26
update operation, Vo l 1, 10–27
writing to, Vo l 1 , 10–27
Tape file system
checking
continuation volume, Vo l 1 , 9–56
expiration date field, Vo l 1 , 10–27
locating files, Vo l 1 , 10–24
overwriting existing information, Vo l 1 , 10–26
protection on, Vo l 1 , 9–26
writing files to tape volume, Vo l 1 , 10–27
Tape mass storage control protocol
See TMSCP
Tapes
See also Tape volumes
accessing file level, Vo l 1 , 10–23
allocating drives, Vo l 1 , 9–15, 10–31
ANSI labels, Vo l 1 , 9–26
basic concepts of, Vo l 1 , 9–10
blocks, Vo l 1, 9–10
bpi, Vo l 1, 9–11
commands, Vo l 1, 9–34
copying files from, Vo l 1 , 10–31
deallocating drives, Vo l 1 , 9–16
density
multiple (on Alpha), Vo l 1 , 9–12
dismounting, Vo l 1, 11–17
DOS–11, Vo l 1 , 10–33
enabling write cache, Vo l 1 , 9–32
file names, Vo l 1 , 10–25
file protection
See Protection
files
See Tape files
file system, Vo l 1 , 9–12
getting information about, Vo l 1 , 8–38
initializing, Vo l 1, 11–14
IRG (interrecord gap), Vo l 1 , 9–11
labeling, Vo l 1, 11–22
loading on drive, Vo l 1 , 10–31
management
tasks, Vo l 1, 8–38
markers on, Vo l 1 , 9–11
modifying device characteristics, Vo l 1, 8–38,
9–56
Tapes (cont’d)
mounting, Vo l 1, 11–16
MTACP process, Vo l 1 , 9–11
multiple tape densities (on Alpha), Vo l 1 , 9–12
preparing for UETP, Vo l 2 , 19–2, 19–5, 19–6
protection, Vo l 1, 9–21
reading from, Vo l 1 , 10–26
record blocking, Vo l 1 , 9–11
advantages, Vo l 1 , 9–12
record size
specifying, Vo l 1, 9–33
sequential organization of, Vo l 1 , 9–11
specifying block size for, Vo l 1 , 9–32
standard-labeled
mounting, Vo l 1, 9–31
structure of, Vo l 1 , 9–10
testing with UETP, Vo l 2 , 19–32, 19–34
time limit, Vo l 1 , 9–75
UETP test image, Vo l 2 , 19–35
volume label
overriding protection, Vo l 1 , 9–33
volume protection
See Protection
volumes
See Tape volumes
volume sets, Vo l 1 , 9–11
write cache
enabling, Vo l 1 , 9–32
writing files to, Vo l 1 , 10–31
Tape volumes, Vo l 1, 10–32
See also Tape files; Tapes; Volumes
accessibility protection, Vo l 1 , 9–26
accessing files on, Vo l 1 , 10–22, 10–26
access to, Vo l 1 , 10–23
continuation, Vo l 1, 9–53
copying files, Vo l 1 , 10–29 to 10–33
deallocating, Vo l 1, 10–32
dismounting, Vo l 1, 10–32
file-structured, Vo l 1, 9–28
foreign, Vo l 1, 9–28
header labels, Vo l 1 , 9–32
initializing, Vo l 1, 10–31
mounting, Vo l 1, 9–28, 9–31, 9–34
mounting volume set, Vo l 1 , 9–50
mounting with automatic switching disabled,
Vo l 1 , 9–54
mount verification, Vo l 1 , 9–73
overriding UIC, Vo l 1 , 9–32
private, Vo l 1 , 9–15
reading attributes of header labels, Vo l 1 ,
10–26
reading files on, Vo l 1 , 10–26
searching for files on, Vol 1 , 10–14
specifying record size, Vo l 1 , 9–33
standard-labeled, Vo l 1, 10–31
copying files from, Vo l 1 , 10–31
wildcard characters supported, Vo l 1 , 10–25
Index60