VxDMP管理－3

10. 收集和显示IO统计信息

• 显示IO统计信息

root@node1 # vxdmpadm iostat start

开启IO统计信息收集
root@node1 # vxdmpadm iostat show dmpnodename=ams_23000_13 interval=5 count=2
                       cpu usage = 411188us    per cpu memory = 77824b
                        OPERATIONS            BLOCKS          AVG TIME(ms)
PATHNAME             READS    WRITES     READS    WRITES     READS    WRITES
c2t0d5s2            138210    320309    174580   1927284   10.62     1.41
c3t0d5s2            141862    333628    180039   1989281    0.60     1.60

c2t0d5s2                 7        27         7       258    0.35     0.46
c3t0d5s2                 8        32         8       267    0.17     0.41

显示IO统计信息
root@node1 # vxdmpadm iostat stop

停止IO统计信息收集

root@node1 # vxdmpadm -q iostat show dmpnodename=ams_23000_13 interval=5 count=2
                       cpu usage = 1773us    per cpu memory = 8192b
                        QUEUED I/Os   PENDING I/Os
DMPNODENAME          READS    WRITES
ams_23000_13             0         0         0

ams_23000_13             0         0         0

-q: 显示队列中的IO信息

 

root@node1 # vxdmpadm -e iostat show dmpnodename=ams_23000_13 interval=5 count=2
                       cpu usage = 5536us    per cpu memory = 8192b
                        ERROR I/Os
DMPNODENAME          READS    WRITES
ams_23000_13             0         0

ams_23000_13             0         0

-e: 显示IO Error信息

 

root@node1 # vxdmpadm -zq iostat show dmpnodename=ams_23000_13 interval=5 count=2

 

-z: 去掉全是0的信息

• 显示IO累积信息

root@node1 # vxdmpadm iostat show groupby=dmpnode dmpnodename=ams_23000_13 interval=5 count=2
                       cpu usage = 12684us    per cpu memory = 8192b
                        OPERATIONS            BLOCKS          AVG TIME(ms)
DMPNODENAME          READS    WRITES     READS    WRITES     READS    WRITES
ams_23000_13          2808      6714      2808     37745    1.35     0.67

ams_23000_13            15        29        15       109    0.29     0.26

groupby dmpnode

root@node1 # vxdmpadm iostat show groupby=ctlr all interval=5 count=2
                       cpu usage = 13878us    per cpu memory = 8192b
                        OPERATIONS            BLOCKS          AVG TIME(ms)
CTLRNAME             READS    WRITES     READS    WRITES     READS    WRITES
c1                       0         0         0         0    0.00     0.00
c2                    2852      4406     43595     39537    1.40     0.67
c3                    2862      4498     45186     39212    0.21     0.55

c1                       0         0         0         0    0.00     0.00
c2                      10        28       134       289    0.35     0.24
c3                      16        25       233       254    0.19     0.24

groupby controler

root@node1 # vxdmpadm iostat show groupby=arrayport enclosure=ams_23000 portid=0D interval=5 count=2
                       cpu usage = 15301us    per cpu memory = 8192b
                        OPERATIONS            BLOCKS          AVG TIME(ms)
PORTIDS        READS    WRITES     READS    WRITES     READS    WRITES
ams_23000:0D          3202      4976     50426     43550    0.21     0.53

ams_23000:0D            15        20       201       206    0.17     0.22

groupby array port

root@node1 # vxdmpadm iostat show groupby=enclosure all interval=5 count=2
                       cpu usage = 17496us    per cpu memory = 8192b
                        OPERATIONS            BLOCKS          AVG TIME(ms)
ENCLOSURENAME        READS    WRITES     READS    WRITES     READS    WRITES
ams_23000             7226     11257    111905     98945    0.70     0.62
disk                     0         0         0         0    0.00     0.00

ams_23000               26        66       367       721    0.24     1.61
disk                     0         0         0         0    0.00     0.00

groupby enclosure