Command to check the busy % for a hard disk device like hdisk5 Post: 302882815

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Operating Systems AIX Command to check the busy % for a hard disk device like hdisk5 Post 302882815 by Tharsan on Thursday 9th of January 2014 08:59:38 AM

01-09-2014

Registered User

when you are in the topas screen
type d

---------- Post updated at 02:58 PM ---------- Previous update was at 02:58 PM ----------

man topas :

Quote:

Physical disks
This subsection displays a list of hot physical disks. The maximum amount of physical disks displayed is the number of hot physical disks being monitored as specified with the -d flag. A smaller number of physical disks
will be displayed if other subsections are also being displayed. Pressing the d key turns off this subsection. Pressing the d key again shows a one-line report summary of the activity for all physical disks.

---------- Post updated at 02:59 PM ---------- Previous update was at 02:58 PM ----------

Code:

Topas Monitor for host:    delta                EVENTS/QUEUES    FILE/TTY
Thu Jan  9 14:59:48 2014   Interval:  2         Cswitch     233  Readch     4079
                                                Syscall     117  Writech    3252
CPU  User%  Kern%  Wait%  Idle%  Physc   Entc   Reads        29  Rawin         0
ALL    0.3    0.7    0.0   99.0   0.01    1.6   Writes        4  Ttyout      830
                                                Forks         0  Igets         0
Network  KBPS   I-Pack  O-Pack   KB-In  KB-Out  Execs         0  Namei        11
Total     2.2      4.5     6.0     0.2     1.9  Runqueue    0.0  Dirblk        0
                                                Waitqueue   0.0
Disk    Busy%     KBPS     TPS KB-Read KB-Writ                   MEMORY
hdisk0    0.0     0.0      0.0    0.0     0.0   PAGING           Real,MB     704
cd0       0.0     0.0      0.0    0.0     0.0   Faults        0  % Comp     95
cd1       0.0     0.0      0.0    0.0     0.0   Steals        0  % Noncomp   1
                                                PgspIn        0  % Client    1
FileSystem        KBPS     TPS KB-Read KB-Writ  PgspOut       0
Total              4.0    27.5    4.0    0.0    PageIn        0  PAGING SPACE
                                                PageOut       0  Size,MB     512
Name            PID  CPU%  PgSp Owner           Sios          0  % Used      6
topas        516342   0.4   1.9 root                             % Free     94
getty        311500   0.1   0.6 root            NFS (calls/sec)
nfsd         286882   0.1   0.2 root            SerV2         0  WPAR Activ    0
sshd         467026   0.0   1.1 root            CliV2         0  WPAR Total    0
gil           53274   0.0   0.1 root            SerV3         0  Press: "h"-help
random       180340   0.0   0.1 root            CliV3         0         "q"-quit
java         278724   0.0  51.1 root
java         213174   0.0  36.6 pconsole
rpc.lock     225282   0.0   0.2 root
pilegc        36882   0.0   0.1 root
dirsnmpd     172186   0.0   7.1 root
netm          49176   0.0   0.1 root
syncd         98440   0.0   0.6 root
lrud          16392   0.0   0.1 root
topasrec     307440   0.0   0.8 root
IBM.CSMA     360636   0.0   2.2 root
sendmail     200860   0.0   1.1 root
init              1   0.0   0.7 root
cimserve     315578   0.0  23.6 root
xmgc          40980   0.0   0.1 root

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LEARN ABOUT DEBIAN

systemd-volatile-root.service

SYSTEMD-VOLATILE-ROOT.SERVICE(8)			   systemd-volatile-root.service			  SYSTEMD-VOLATILE-ROOT.SERVICE(8)

NAME

       systemd-volatile-root.service, systemd-volatile-root - Make the root file system volatile

SYNOPSIS

       systemd-volatile-root.service

       /lib/systemd/systemd-volatile-root

DESCRIPTION

       systemd-volatile-root.service is a service that replaces the root directory with a volatile memory file system ("tmpfs"), mounting the
       original (non-volatile) /usr inside it read-only. This way, vendor data from /usr is available as usual, but all configuration data in
       /etc, all state data in /var and all other resources stored directly under the root directory are reset on boot and lost at shutdown,
       enabling fully stateless systems.

       This service is only enabled if full volatile mode is selected, for example by specifying "systemd.volatile=yes" on the kernel command
       line. This service runs only in the initial RAM disk ("initrd"), before the system transitions to the host's root directory. Note that this
       service is not used if "systemd.volatile=state" is used, as in that mode the root directory is non-volatile.

SEE ALSO

       systemd(1), systemd-fstab-generator(8), kernel-command-line(7)

systemd 237													  SYSTEMD-VOLATILE-ROOT.SERVICE(8)

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