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10GORACLERAC搭建實(shí)戰(zhàn)之LINUXLVM劃分-創(chuàng)新互聯(lián)

 LVM劃分

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  1. 1.劃分說明

服務(wù)器對(duì)存儲(chǔ)設(shè)備的訪問采用多路徑技術(shù)   (Linux Device Mapper Multipathing),多路徑設(shè)備配置完畢后,會(huì)在/dev/mapper/ 發(fā)現(xiàn)mpthX的多路徑設(shè)備,可以使用lvcreate將其中一個(gè)設(shè)備劃分為一個(gè)物理卷。

本次擴(kuò)容的日立裸存儲(chǔ)設(shè)備共有900G*10空間,做RAID1+0后,實(shí)際可用存儲(chǔ)為約為3T分6個(gè)pv (一個(gè)pv 500G),分6個(gè)卷組--oravg01-06,一個(gè)卷組下分一個(gè)PV。

Oracle各主要數(shù)據(jù)文件分配大?。?/p>

temp:80G       undo:60G       SAP:819G       SMS:999G

BCA_YW:100G   BCA_GW:100G   APP:200G      indx:200G

備注:劃分時(shí)發(fā)現(xiàn),對(duì)一臺(tái)服務(wù)器劃分到LV后,另一臺(tái)也能識(shí)別相同的LV,但是VG處于不活動(dòng)狀態(tài),需要進(jìn)行激活。

  1. 2.創(chuàng)建PV

pvcreate /dev/mapper/mpath2

pvcreate/dev/mapper/mpath3

pvcreate/dev/mapper/mpath4

pvcreate/dev/mapper/mpath5

pvcreate/dev/mapper/mpath6

pvcreate/dev/mapper/mpath7

查看PV屬性

[root@rac1 ~]#pvdisplay

 "/dev/mpath/mpath2" is a newphysical volume of "500.00 GB"

 --- NEW Physical volume ---

 PV Name              /dev/mpath/mpath2

 VG Name

 PV Size              500.00 GB

 Allocatable          NO

 PE Size (KByte)      0

 Total PE             0

 Free PE              0

 Allocated PE         0

 PV UUID              TtAWwc-5hZF-0ZLt-TVuP-Jn9f-n2FQ-oaLCDh

 "/dev/mpath/mpath3" is a newphysical volume of "500.00 GB"

 --- NEW Physical volume ---

 PV Name              /dev/mpath/mpath3

 VG Name

 PV Size              500.00 GB

 Allocatable          NO

 PE Size (KByte)      0

 Total PE             0

 Free PE              0

 Allocated PE         0

 PV UUID              GiUA3r-cHfQ-LF0m-FBQt-K0yK-0jbH-GayMhX

 "/dev/mpath/mpath4" is a newphysical volume of "500.00 GB"

 --- NEW Physical volume ---

 PV Name              /dev/mpath/mpath4

 VG Name

 PV Size              500.00 GB

 Allocatable          NO

 PE Size (KByte)      0

 Total PE             0

 Free PE              0

 Allocated PE         0

 PV UUID              HjaH7y-Zoy9-xl1N-m2QU-JeUI-QyzN-ZWutNq

 "/dev/mpath/mpath5" is a newphysical volume of "500.00 GB"

 --- NEW Physical volume ---

 PV Name              /dev/mpath/mpath5

 VG Name

 PV Size              500.00 GB

 Allocatable          NO

 PE Size (KByte)      0

 Total PE             0

 Free PE              0

 Allocated PE         0

 PV UUID              zJbntF-iZae-BTn6-fleK-PGKn-jvIr-GHLT0D

 "/dev/mpath/mpath6" is a newphysical volume of "500.00 GB"

 --- NEW Physical volume ---

 PV Name              /dev/mpath/mpath6

 VG Name

 PV Size              500.00 GB

 Allocatable          NO

 PE Size (KByte)      0

 Total PE             0

 Free PE              0

 Allocated PE         0

 PV UUID              KAt3j4-NnAP-C018-BUM1-Xfhv-UYY6-Zdy3PD

 "/dev/mpath/mpath7" is a newphysical volume of "500.00 GB"

 --- NEW Physical volume ---

 PV Name              /dev/mpath/mpath7

 VG Name

 PV Size              500.00 GB

 Allocatable          NO

 PE Size (KByte)      0

 Total PE             0

 Free PE              0

 Allocated PE         0

 PV UUID              q1I884-vCgj-EMb8-FwI3-1Oqn-CuGo-wjF7nW

  1. 3.創(chuàng)建VG

創(chuàng)建6個(gè)VG,一個(gè)VG下分一個(gè)PV,默認(rèn)PE=4M,一個(gè)VG 500G

[root@rac1 ~]# vgcreate oravg01 /dev/mpath/mpath2

 Volume group"oravg01" successfully created

[root@rac1 ~]# vgcreate oravg02 /dev/mpath/mpath3

 Volume group"oravg02" successfully created

[root@rac1 ~]# vgcreate oravg03 /dev/mpath/mpath4

 Volume group"oravg03" successfully created

[root@rac1 ~]# vgcreate oravg04 /dev/mpath/mpath5

 Volume group"oravg04" successfully created

[root@rac1 ~]# vgcreate oravg05 /dev/mpath/mpath6

 Volume group"oravg05" successfully created

[root@rac1 ~]# vgcreate oravg06 /dev/mpath/mpath7

 Volume group"oravg06" successfully created

查看VG

[root@rac1 ~]# vgdisplay

 --- Volume group ---

 VG Name              oravg06

 System ID

 Format               lvm2

 Metadata Areas       1

 Metadata Sequence No 1

 VG Access            read/write

 VG Status            resizable

 MAX LV               0

 Cur LV               0

 Open LV              0

 Max PV               0

 Cur PV               1

 Act PV               1

 VG Size              500.00 GB

 PE Size              4.00 MB

 Total PE             127999

 Alloc PE / Size      0 / 0

 Free PE / Size      127999 / 500.00 GB

 VG UUID              wevGwC-kmhe-3ho9-4CRk-GVnt-hOvE-2qq93g

 --- Volume group ---

 VG Name              oravg05

 System ID

 Format               lvm2

 Metadata Areas       1

 Metadata Sequence No 1

 VG Access            read/write

 VG Status            resizable

 MAX LV               0

 Cur LV               0

 Open LV              0

 Max PV               0

 Cur PV               1

 Act PV               1

 VG Size              500.00 GB

 PE Size              4.00 MB

 Total PE             127999

 Alloc PE / Size      0 / 0

 Free PE / Size      127999 / 500.00 GB

 VG UUID              P6pEjs-SHzZ-Rxql-XIwR-uOff-euw5-kPJpQg

 --- Volume group ---

 VG Name              oravg04

 System ID

 Format               lvm2

 Metadata Areas       1

 Metadata Sequence No 1

 VG Access            read/write

 VG Status            resizable

 MAX LV               0

 Cur LV               0

 Open LV              0

 Max PV               0

 Cur PV               1

 Act PV               1

 VG Size              500.00 GB

 PE Size              4.00 MB

 Total PE             127999

 Alloc PE / Size      0 / 0

 Free PE / Size      127999 / 500.00 GB

 VG UUID              K9yT9I-21Wg-48Ye-k1TY-ge3F-354N-EGYuPc

 --- Volume group ---

 VG Name              oravg03

 System ID

 Format               lvm2

 Metadata Areas       1

 Metadata Sequence No 1

 VG Access            read/write

 VG Status            resizable

 MAX LV               0

 Cur LV               0

 Open LV              0

 Max PV               0

 Cur PV               1

 Act PV               1

 VG Size              500.00 GB

 PE Size              4.00 MB

 Total PE             127999

 Alloc PE / Size      0 / 0

 Free PE / Size      127999 / 500.00 GB

 VG UUID              B4Nmcz-CEQK-yIL7-tn9j-SB03-e0GU-WUSlic

 --- Volume group ---

 VG Name              oravg02

 System ID

 Format               lvm2

 Metadata Areas       1

 Metadata Sequence No 1

 VG Access            read/write

 VG Status            resizable

 MAX LV               0

 Cur LV               0

 Open LV              0

 Max PV               0

 Cur PV               1

 Act PV               1

 VG Size              500.00 GB

 PE Size              4.00 MB

 Total PE             127999

 Alloc PE / Size      0 / 0

 Free PE / Size      127999 / 500.00 GB

 VG UUID              3ydc98-DgkI-P8F5-HlGd-B2xO-mX0o-eE3zsn

 --- Volume group ---

 VG Name              oravg01

 System ID

 Format               lvm2

 Metadata Areas       1

 Metadata Sequence No 1

 VG Access            read/write

 VG Status            resizable

 MAX LV               0

 Cur LV               0

 Open LV              0

 Max PV               0

 Cur PV               1

 Act PV               1

 VG Size              500.00 GB

 PE Size              4.00 MB

 Total PE             127999

 Alloc PE / Size      0 / 0

 Free PE / Size      127999 / 500.00 GB

 VG UUID              Ei6ZDe-29bP-XARY-qpCe-Qsve-y9Py-YtaKUw

  1. 4.創(chuàng)建LV

注:這里創(chuàng)建lv大小時(shí),最好分配得比預(yù)先設(shè)計(jì)的大一些

依次創(chuàng)建LV(省略)

[root@rac1 ~]# lvcreate -L 512M oravg01

Logical volume "lvol0" created

掃描系統(tǒng)存在的LV

[root@rac1 ~]# lvscan

 ACTIVE           '/dev/oravg01/lvol0' [512.00 MB]inherit

查看VG屬性

[root@rac1 ~]# vgdisplay -P oravg01

 Partial mode. Incomplete logical volumes will be processed.

 ---Volume group ---

 VGName              oravg01

 System ID

 Format               lvm2

 Metadata Areas       1

 Metadata Sequence No 39

 VGAccess            read/write

 VGStatus            resizable

 MAXLV               0

 CurLV               38

 Open LV              0

 MaxPV               0

 CurPV               1

 ActPV               1

 VGSize              500.00 GB

 PESize              4.00 MB

 Total PE             127999

 AllocPE / Size      121216 / 473.50 GB

 Free PE / Size      6783 / 26.50 GB

 VGUUID              Ei6ZDe-29bP-XARY-qpCe-Qsve-y9Py-YtaKUw

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