Veritas File System 5.0 AdministratorÆs Guide, HP-UX 11i v3, First Edition, May 2008

Storage Checkpoints (continued)
converting a data Storage Checkpoint to a nodata
Storage Checkpoint with multiple Storage
Checkpoints 89
creating 83
data Storage Checkpoints 80
definition of 75
difference between a data Storage Checkpoint
and a nodata Storage Checkpoint 87
freezing and thawing a file system 77
mounting 85
multi-volume support 115
nodata Storage Checkpoints 81, 86
operation failures
94
pseudo device 85
read-only Storage Checkpoints 85
removable Storage Checkpoints 82
removing 84
space management
94
synchronous vs. asynchronous conversion 87
types of 80
unmounting 86
using the fsck command 86
writable Storage Checkpoints 85
super-block 72
synchronous I/O 63
system failure recovery 16
system performance
overall 28
T
temporary directories 19
thaw 65
tmplog mount option 30
transaction disabling 211
tunable I/O parameters 45
default_indir_size 50
discovered_direct_iosize 46
fcl_keeptime 46
fcl_maxalloc 47
fcl_winterval 47
initial_extent_size 48
inode_aging_count 49
inode_aging_size 49
max_buf_data_size 49
max_direct_iosize 49
max_diskq 49
tunable I/O parameters (continued)
max_seqio_extent_size 50
qio_cache_enable 51
read_nstream 45
read_pref_io 45
Volume Manager maximum I/O size 42
vx_bc_bufhvm 40
vx_maxlink 41
vxfs_bc_bufhvm 40
write_nstream 46
write_pref_io 45
write_throttle 52
tuning I/O parameters 44
tuning VxFS 38
typed extents 15
U
umount command 197
uninitialized storage, clearing 31
unmount 86, 212
a snapped file system 68
V
VEA 25
VERITAS Enterprise Administrator 25
Version 1 disk layout 257
Version 2 disk layout 257
Version 3 disk layout 258
Version 4 disk layout 258, 260
Version 5 disk layout 258, 263
Version 6 disk layout 258
Version 7 disk layout 258
vfstab file
editing 196
virtual disks 26
vol_maxio tunable I/O parameter 42
volume sets 116
VOP_INACTIVE 229
vx_bc_bufhwm tunable parameter 40
VX_DSYNC 64
VX_FREEZE 65
VX_FULLFSCK 212, 214–218, 222–224, 226, 229–
230, 233–236, 243
VX_GETCACHE 65
vx_maxlink tunable parameter 41
vx_ninode 38
VX_SETCACHE 65
VX_SNAPREAD 68
277Index