tw_cli 들어가기

tw_cli

 

 

tw_cli 정보보기

[root@db ~]# tw_cli info

Ctl   Model        (V)Ports  Drives   Units   NotOpt  RRate   VRate  BBU
------------------------------------------------------------------------
c0    9690SA-4I4E  4         4        2       1       1       1      -

 

tw_clo 정보 보기 (c0의...)

tw_cli info c0

[root@db ~]# tw_cli info c0

Unit  UnitType  Status         %RCmpl  %V/I/M  Stripe  Size(GB)  Cache  AVrfy
------------------------------------------------------------------------------
u0    RAID-1    OK             -       -       -       931.312   W      OFF
u1    RAID-1    REBUILD-PAUSED 0%      -       -       111.748   OFF    OFF

VPort Status         Unit Size      Type  Phy Encl-Slot    Model
------------------------------------------------------------------------------
p0    OK             u0   931.51 GB SATA  0   -            Hitachi HDS721010CL
p1    OK             u0   931.51 GB SATA  1   -            Hitachi HDS721010CL
p2    DEGRADED       u1   111.79 GB SATA  2   -            INTEL SSDSA2CW120G3
p3    OK             u1   111.79 GB SATA  3   -            Samsung SSD 840 Ser

 

dpmstat를 on 

tw_cli /c0 set dpmstat=on

 

 

dmpstat를 보기

tw_cli set cache c0 u0 on

 

 

[root@two ~]#  tw_cli /c0 show dpmstat
Drive Performance Monitor Configuration for /c0 ...
Performance Monitor: ON
Version: 1
Max commands for averaging: 100
Max latency commands to save: 10
Requested data: Instantaneous Drive Statistics

                               Queue           Xfer         Resp
Port   Status           Unit   Depth   IOPs    Rate(MB/s)   Time(ms)
------------------------------------------------------------------------
p0     OK               u0     2       85      0.327        6
p1     OK               u0     2       88      0.337        6
p2     OK               u1     3       324     7.984        0
p3     OK               u1     2       123     4.166        0

 

tw_cli /c0 show memory (512MB cache의 경우...)

[root@db ~]#  tw_cli /c0 show memory
/c0 Available Memory = 448MB

 

 

연결속도 보기

tw_cli /c0 show phy

[root@two ~]# tw_cli /c0 show phy

                             Device              --- Link Speed (Gbps) ---
Phy     SAS Address          Type     Device     Supported  Enabled  Control
-----------------------------------------------------------------------------
phy0    500050e000037562     SATA     /c0/p0     1.5-3.0    3.0      Auto
phy1    500050e000037562     SATA     /c0/p1     1.5-3.0    3.0      Auto
phy2    500050e000037562     SATA     /c0/p2     1.5-3.0    3.0      Auto
phy3    500050e000037562     SATA     /c0/p3     1.5-3.0    3.0      Auto
phy4    -                    -        -          1.5-3.0    -        Auto
phy5    -                    -        -          1.5-3.0    -        Auto
phy6    -                    -        -          1.5-3.0    -        Auto
phy7    -                    -        -          1.5-3.0    -        Auto

 

 

캐쉬가 켜져 있는지 여부를 보기

tw_cli /c0/u0 show cache
tw_cli /c0/u0 show wrcache
[root@db ~]# tw_cli /c0/u0 show cache
/c0/u0 Write Cache = on

[root@db ~]# tw_cli /c0/u0 show wrcache
/c0/u0 Write Cache = on