AIX Striping lv 구성여부 확인
LVM/LV2021. 12. 26. 15:06
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- 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.
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[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
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- 일반 LV 구성정보
▹ 일반 LV는 Stripe 관련 정보가 출력되지 않는다.
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[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
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2) lslv -m lv_name 으로 확인하기.
- Striping lv의 경우, Round robin 저장방식으로 여러 디스크에 걸쳐 저정되어 있다.
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[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
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- 일반 lv의 경우, Linear 저장방식으로 첫번째 디스크 먼저 사용하고, 그다음 디스크를 사용한다.
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[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
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