Technical data

Disk files
copying (cont’d)
from disk volumes, Vo l 1 , 10–29
to tapes, Vo l 1 , 10–31
using COPY command, Vol 1 , 10–28
modifying characteristics, Vo l 1 , 10–18, 10–19
Disk I/O resource
offloading
virtual I/O cache, Vo l 2 , 18–10
DISKQUOTA/DISABLE command, Vo l 1 , 9–67
DISKQUOTA/ENABLE command, Vo l 1 , 9–67
DISKQUOTA commands
See also Disk Quota utility
in SYSMAN, Vo l 1 , 2–12
Disk quotas, Vo l 1 , 7–15
See also Disk Quota utility
creating, Vo l 1, 9–65
definition, Vo l 1, 9–63
disabling, Vo l 1, 9–67
displaying, Vo l 1, 9–63
ensuring accuracy with rebuild operation, Vo l
1, 9–64
establishing, Vo l 1 , 9–65
example, Vo l 1 , 7–36
exceeding, Vo l 1 , 9–64
file, Vo l 1, 9–63
maintaining, Vo l 1, 9–64
retrieving information, Vo l 1 , 9–66
suspending operations, Vo l 1 , 9–67
Disk Quota utility (DISKQUOTA), Vo l 1, 9–65
Disks
See also CD–ROM; Disk files; Disk quotas; Disk
volumes; System disks
allocating drives, Vo l 1 , 9–15
allocating space on, Vo l 1 , 9–66
backing up active, Vo l 1 , 11–66
block
definition, Vo l 1, 9–3
grouped into cluster, Vo l 2 , A–1
changing volume label, Vo l 1 , 3–30
cluster
definition, Vo l 1, 9–3
unit of allocation, Vo l 2 , A–1
concepts, Vo l 2, A–1
cylinder
definition, Vo l 2, A–2
deallocating drives, Vo l 1 , 9–16
default format, Vo l 1 , 10–29
definition, Vo l 1, 9–2
dismounting, Vo l 1, 11–17
extents, Vo l 2 , A–1
definition, Vo l 1, 9–3
file identification, Vo l 2 , A–4
files
See Disk files
Files–11
directory hierarchy, Vo l 2 , A–4
Disks (cont’d)
fragmentation of, Vo l 1, 11–51; Vo l 2 , 16–34
I/O performance, Vo l 2 , 17–7
initializing, Vo l 1, 11–15
mounting, Vo l 1, 9–35, 11–16
in host-based shadow set, Vo l 1 , 11–45
organization
logical, Vo l 2, A–1
physical, Vo l 2, A–2
protecting, Vo l 1, 9–21, 9–23
space
See Disk space
structure
See Disk structure
system
See System disks
terminology, Vo l 1 , 9–2
time limit, Vo l 1 , 9–75
track
definition, Vo l 2, A–2
usage, Vo l 1, 9–64
creating file, Vo l 1 , 9–73
UICs kept in quota file, Vo l 2, A–9
user
See User disks
volumes
See Disk volumes
Disk space
See also Disk quotas
allocation by cluster, Vo l 2 , A–1
managing, Vo l 1, 9–62 to 9–70
purging files, Vo l 1 , 9–67
saving, Vo l 1, 9–67
by moving page and swap files off the
system disk, Vo l 2 , 16–6
by purging the operator log file, Vo l 1 , 5–14
by removing optional system files, Vo l 1,
5–1
by storing minimal system dump
information, Vo l 2, 16–12
by using a selective system dump, Vo l 2,
16–4
tracking use of, Vo l 2 , 21–6
Disk storage server, Vo l 2 , 25–11
Disk structure
analyzing errors, Vo l 1 , 9–70
Files–11, Vo l 2 , A–3
reporting and repairing errors, Vo l 1, 9–71
Disk volumes
accessing files on, Vo l 1 , 10–22
access to public, Vo l 1 , 9–14
adding to an existing set, Vo l 1, 9–47
adding volumes to volume sets, Vo l 1, 9–47
analyzing disk structure errors, Vol 1 , 9–70
analyzing media errors, Vo l 1 , 9–80
assigning logical name, Vo l 1 , 5–11
assigning volume label, Vo l 1 , 5–11
Index–14