11-22-2008
all FS mounted with vxfs
I'm not quite sure with the meaning of disk subsystem or volume group, but perhaps, this information can give you a clue (bdf command) :
Mount kbytes perc-used
/ 1,048Mb 11%
/tmp 4,096Mb 19%
/home 24,576Mb 86%
/data 425,984Mb 46%
total DB size around 100Gb (currently allocated 110Gb)
3 procs
yes, the last thing I need to check is the users session resource usage (no idea yet), but as far as I know, there is no background job running on the server during daytime.
also, some site recommended to see the x$ksmsp (related to SGA), but they dont
explain how to read them, can you give me some information? (I want to know is my current SGA size is oversize than what we need)
select sum(ksmchsiz) Bytes, ksmchcls Status
from x$ksmsp
group by ksmchcls;
R-free 132,864,168
R-freea 138,840
free 2,079,208
freeabl 308,242,376
perm 74,995,696
recr 85,657,184
Thank you very much.
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LEARN ABOUT REDHAT
vgdisplay
VGDISPLAY(8) System Manager's Manual VGDISPLAY(8)
NAME
vgdisplay - display attributes of volume groups
SYNOPSIS
vgdisplay [-A|--activevolumegroups] [-c|--colon] [-d|--debug] [-D|--disk] [-h|--help] [-s|--short] [-v[v]|--verbose [--verbose]] [--ver-
sion] [VolumeGroupName...]
DESCRIPTION
vgdisplay allows you to see the attributes of VolumeGroupName (or all volume groups if none is given) with it's physical and logical vol-
umes and their sizes etc.
OPTIONS
-A, --activevolumegroups
Only select the active volume groups.
-c, --colon
Generate colon seperated output for easier parsing in scripts or programs.
The values are:
1 volume group name
2 volume group access
3 volume group status
4 internal volume group number
5 maximum number of logical volumes
6 current number of logical volumes
7 open count of all logical volumes in this volume group
8 maximum logical volume size
9 maximum number of physical volumes
10 current number of physical volumes
11 actual number of physical volumes
12 size of volume group in kilobytes
13 physical extent size
14 total number of physical extents for this volume group
15 allocated number of physical extents for this volume group
16 free number of physical extents for this volume group
17 uuid of volume group
-d, --debug
Enables additional debugging output (if compiled with DEBUG).
-D, --disk
Show attributes from the volume group descriptor area on disk(s). Without this switch they are shown from the kernel. Useful if
the volume group isn't activated.
-h, --help
Print a usage message on standard output and exit successfully.
-s, --short
Give a short listing showing the existence of volume groups.
-v, --verbose
Display verbose information containing long listings of physical and logical volumes. If given twice, also display verbose runtime
information of vgdisplay's activities.
--version
Display version and exit successfully.
DIAGNOSTICS
vgdisplay returns an exit code of 0 for success and > 0 for error:
1 error reading VGDA
2 volume group doesn't exist
3 not all physical volumes of volume group online
4 volume group not found
5 no volume groups found at all
6 error reading VGDA from lvmtab
95 driver/module not in kernel
96 invalid I/O protocol version
97 error locking logical volume manager
98 invalid lvmtab (run vgscan(8))
99 invalid command line
SEE ALSO
lvm(8), pvcreate(8), vgcreate(8), lvcreate(8)
AUTHOR
Heinz Mauelshagen <Linux-LVM@Sistina.com>
Heinz Mauelshagen LVM TOOLS VGDISPLAY(8)