AIX Striping lv 구성여부 확인

• 해당 LV의 Striping LV구성 여부를 확인.

 1) lslv lv_name 명령어로 확인하기.

• Striping LV 구성 정보

      ▹UPPER BOUND / STRIPE WIDTH / STRIPE SIZE 항목이 출력이 되면, Striping lv구성된 LV.

[aix_jbw:root] /] lslv stripe_lv
LOGICAL VOLUME:     stripe_lv              VOLUME GROUP:   testvg
LV IDENTIFIER:      00f9550400004c000000017dec191871.1 PERMISSION:     read/write
VG STATE:           active/complete        LV STATE:       closed/syncd
TYPE:               jfs2                   WRITE VERIFY:   off
MAX LPs:            512                    PP SIZE:        128 megabyte(s)
COPIES:             1                      SCHED POLICY:   striped
LPs:                12                     PPs:            12
STALE PPs:          0                      BB POLICY:      relocatable
INTER-POLICY:       maximum                RELOCATABLE:    no
INTRA-POLICY:       middle                 UPPER BOUND:    4
MOUNT POINT:        N/A                    LABEL:          None
DEVICE UID:         0                      DEVICE GID:     0
DEVICE PERMISSIONS: 432                                    
MIRROR WRITE CONSISTENCY: on/ACTIVE                              
EACH LP COPY ON A SEPARATE PV ?: yes (superstrict)                      
Serialize IO ?:     NO                                     
INFINITE RETRY:     no                     PREFERRED READ: 0
STRIPE WIDTH:       4                                      
STRIPE SIZE:        64k                                    
DEVICESUBTYPE:      DS_LVZ                                        
COPY 1 MIRROR POOL: None                                   
COPY 2 MIRROR POOL: None                                   
COPY 3 MIRROR POOL: None 

 

• 일반 LV 구성정보

    ▹ 일반 LV는 Stripe 관련 정보가 출력되지 않는다.

[aix_jbw:root] /] lslv hd5
LOGICAL VOLUME:     hd5                    VOLUME GROUP:   rootvg
LV IDENTIFIER:      00f9550400004c000000017ce0d25a19.1 PERMISSION:     read/write
VG STATE:           active/complete        LV STATE:       closed/syncd
TYPE:               boot                   WRITE VERIFY:   off
MAX LPs:            512                    PP SIZE:        128 megabyte(s)
COPIES:             1                      SCHED POLICY:   parallel
LPs:                1                      PPs:            1
STALE PPs:          0                      BB POLICY:      non-relocatable
INTER-POLICY:       minimum                RELOCATABLE:    no
INTRA-POLICY:       edge                   UPPER BOUND:    32
MOUNT POINT:        N/A                    LABEL:          primary_bootlv
MIRROR WRITE CONSISTENCY: on/ACTIVE                              
EACH LP COPY ON A SEPARATE PV ?: yes                                    
Serialize IO ?:     NO    

 

2) lslv -m lv_name 으로 확인하기.

• Striping lv의 경우, Round robin 저장방식으로 여러 디스크에 걸쳐 저정되어 있다.

[aix_jbw:root] /] lslv -m stripe_lv
stripe_lv:N/A
LP    PP1  PV1               PP2  PV2               PP3  PV3
0001  0033 hdisk11           
0002  0033 hdisk12           
0003  0033 hdisk9            
0004  0033 hdisk10           
0005  0034 hdisk11           
0006  0034 hdisk12           
0007  0034 hdisk9            
0008  0034 hdisk10           
0009  0035 hdisk11           
0010  0035 hdisk12           
0011  0035 hdisk9            
0012  0035 hdisk10    

• 일반 lv의 경우, Linear 저장방식으로 첫번째 디스크 먼저 사용하고, 그다음 디스크를 사용한다.

[aix_jbw:root] /] lslv -m lg_dumplv
lg_dumplv:N/A
LP    PP1  PV1               PP2  PV2               PP3  PV3
0001  0165 hdisk0            
0002  0166 hdisk0            
0003  0167 hdisk0            
0004  0168 hdisk0            
0005  0169 hdisk0            
0006  0170 hdisk0            
0007  0171 hdisk0            
0008  0172 hdisk0