1.归档日志刷得太快,经常把空间挤爆.

2.Oracle数据库表空间需要扩容

1.先做重要数据备份

2.进行文件系统扩容

# df -gFilesystem    GB blocks      Free %Used    Iused %Iused Mounted on.

./dev/fslv00       60.00      3.95   94%   550567    36% /u01 

# lslv fslv00LOGICAL VOLUME:     fslv00                 VOLUME GROUP:   rootvgLV IDENTIFIER:      00f8d67e00004c000000014545274d99.13 PERMISSION:     read/writeVG STATE:           active/complete        LV STATE:       opened/syncdTYPE:               jfs2                   WRITE VERIFY:   offMAX LPs:            1024                   PP SIZE:        128 megabyte(s)COPIES:             1                      SCHED POLICY:   parallelLPs:                480                    PPs:            480STALE PPs:          0                      BB POLICY:      relocatableINTER-POLICY:       minimum                RELOCATABLE:    yesINTRA-POLICY:       middle                 UPPER BOUND:    32MOUNT POINT:        /u01                   LABEL:          /u01MIRROR WRITE CONSISTENCY: on/ACTIVE                              EACH LP COPY ON A SEPARATE PV ?: yes                                    Serialize IO ?:     NO                                     INFINITE RETRY:     no       

# lsvg rootvgVOLUME GROUP:       rootvg                   VG IDENTIFIER:  00f8d67e00004c000000014545274d99VG STATE:           active                   PP SIZE:        128 megabyte(s)VG PERMISSION:      read/write               TOTAL PPs:      799 (102272 megabytes)MAX LVs:            256                      FREE PPs:       10 (1280 megabytes)LVs:                13                       USED PPs:       789 (100992 megabytes)OPEN LVs:           12                       QUORUM:         2 (Enabled)TOTAL PVs:          1                        VG DESCRIPTORS: 2STALE PVs:          0                        STALE PPs:      0ACTIVE PVs:         1                        AUTO ON:        yesMAX PPs per VG:     32512                                     MAX PPs per PV:     1016                     MAX PVs:        32LTG size (Dynamic): 256 kilobyte(s)          AUTO SYNC:      noHOT SPARE:          no                       BB POLICY:      relocatablePV RESTRICTION:     none                     INFINITE RETRY: no

PP SIZE(PP单位)

FREE PPs(PP块数)

FREE PPs:       10 (1280 megabytes)   可以看到只剩下1个G了

# cfgmgr

cfgmgr命令详见

http://blog.sina.com.cn/s/blog_5a2405d10100lbxy.html 

# lspvhdisk0          00f8d67e45274d2c                    rootvg          active      hdisk1          none                                None                        hdisk2          none                                None                        hdisk3          none                                None                        hdisk4          none                                None                        hdisk5          none                                None                        hdisk6          none                                None                        hdisk7          none                                None                        hdisk8          none                                None                        hdisk9          none                                None                        hdisk10         none                                None                        hdisk11         none                                None                        hdisk12         none                                None                        hdisk13         none                                None                        hdisk14         none                                None                        hdisk15         none                                None                        hdisk16         none                                None                        hdisk17         none                                None                        hdisk18         00f8d67efa51a04f                    oggvg           active      hdisk19         00f8d67f77eb5875                    None                        hdisk20         00f8d67e3106babe                    datavg          active      hdisk21         00f8d67ee9fbaac8                    oggvg           active      hdisk22         00f8d67fa805f48a                    None                        hdisk23         none                                None                        ..

注:查看磁盘空间大小 

#bootinfo -s hdisk1

#extendvg rootvg hdisk2 hdisk30516-1254 extendvg: Changing the PVID in the ODM.0516-1254 extendvg: Changing the PVID in the ODM.0516-1162 extendvg: Warning, The Physical Partition Size of 128 requires the        creation of 1093 partitions for hdisk2. The limitation for volume group        rootvg is 1016 physical partitions per physical volume. Use chvg command        with -t option to attempt to change the maximum Physical Partitions per        Physical volume for this volume group.0516-1162 extendvg: Warning, The Physical Partition Size of 128 requires the        creation of 1093 partitions for hdisk3. The limitation for volume group        rootvg is 1016 physical partitions per physical volume. Use chvg command        with -t option to attempt to change the maximum Physical Partitions per        Physical volume for this volume group.0516-792 extendvg: Unable to extend volume group.

#chdev -l hdisk2 -a pv=yes#chdev -l hdisk3 -a pv=yes

#chvg -t rootvg0516-1187 chvg: Volume group not changed. Either the volume group rootvg        has the specified factor value or is at proper maximum physical partitions        per physical volume limit already.            0516-732 chvg: Unable to change volume group rootvg.

//因为PP数目已经达到上限

#chvg -t 2 rootvg                                  0516-1164 chvg: Volume group rootvg changed. With given characteristics rootvg        can include upto 16 physical volumes with 2032 physical partitions each.

 //数字2表示2×1016个PP

#extendvg rootvg hdisk2 hdisk3

#lspvhdisk0          0007df58fb3e71d4                    rootvg          activehdisk1          00009d03638bf367                    rootvg          activehdisk2          00009d034caa708d                    rootvg          activehdisk3          00009d034caa7219                    rootvg          active

#lsvg rootvgVOLUME GROUP:       rootvg                   VG IDENTIFIER: 0007df580000d70000000113fb3e72ceVG STATE:           active                   PP SIZE:        128 megabyte(s)VG PERMISSION:      read/write               TOTAL PPs:      3278 (419584 megabytes)MAX LVs:            256                      FREE PPs:       2208 (282624 megabytes)LVs:                60                       USED PPs:       1070 (136960 megabytes)OPEN LVs:           27                       QUORUM:         1TOTAL PVs:          4                        VG DESCRIPTORS: 4STALE PVs:          0                        STALE PPs:      0ACTIVE PVs:         4                        AUTO ON:        yesMAX PPs per VG:     32512                                    MAX PPs per PV:     2032                     MAX PVs:        16LTG size (Dynamic): 256 kilobyte(s)          AUTO SYNC:      noHOT SPARE:          no                       BB POLICY:      relocatable

  #chfs -a size=+500G /u01

0516-787 extendlv: Maximum allocation for logical volume /u01 is 1145.

注：+代表在原来基础上增加500G大小       从这个提示可以看到逻辑卷lv2已经到达最大的pp扩展数

# lslv fslv00LOGICAL VOLUME:     fslv00                 VOLUME GROUP:   rootvgLV IDENTIFIER:      00f8d67e00004c000000014545274d99.13 PERMISSION:     read/writeVG STATE:           active/complete        LV STATE:       opened/syncdTYPE:               jfs2                   WRITE VERIFY:   offMAX LPs:            1024                   PP SIZE:        128 megabyte(s)COPIES:             1                      SCHED POLICY:   parallelLPs:                480                    PPs:            480STALE PPs:          0                      BB POLICY:      relocatableINTER-POLICY:       minimum                RELOCATABLE:    yesINTRA-POLICY:       middle                 UPPER BOUND:    32MOUNT POINT:        /u01                   LABEL:          /u01MIRROR WRITE CONSISTENCY: on/ACTIVE                              EACH LP COPY ON A SEPARATE PV ?: yes                                    Serialize IO ?:     NO                                     INFINITE RETRY:     no       

已经超过max值了

重新调整pp的max值

# smit chlv                                                       Change a Logical Volume

Move cursor to desired item and press Enter.

  Change a Logical Volume  Rename a Logical Volume       

                                                       Change a Logical Volume

Type or select a value for the entry field.Press Enter AFTER making all desired changes.

                                                        [Entry Fields]* LOGICAL VOLUME name             [fslv00(填写正确的lv名字)]

                                                        Change a Logical Volume

Type or select values in entry fields.Press Enter AFTER making all desired changes.                                                         [Entry Fields]* Logical volume NAME                                 fslv00  Logical volume TYPE                                [jfs2]                                                                       +  POSITION on physical volume                         middle                                                                      +  RANGE of physical volumes                           minimum                                                                     +  MAXIMUM NUMBER of PHYSICAL VOLUMES                 [32]                                                                          #    to use for allocation  Allocate each logical partition copy                yes                                                                         +    on a SEPARATE physical volume?  RELOCATE the logical volume during                  yes                                                                         +    reorganization?  Logical volume LABEL                               [/u01]  MAXIMUM NUMBER of LOGICAL PARTITIONS               [1024(更改)]                                                                        #  SCHEDULING POLICY for writing/reading               parallel                                                                    +    logical partition copies  PERMISSIONS                                         read/write                                                                  +  Enable BAD BLOCK relocation?                        yes                                                                         +  Enable WRITE VERIFY?                                no                                                                          +  Mirror Write Consistency?                           active                                                                      +  Serialize IO?                                       no                                                                          +  Mirror Pool for First Copy                                                                                                      +  Mirror Pool for Second Copy                                                                                                     +  Mirror Pool for Third Copy                                                                                                      +  Infinite Retry Option                               no                                                 

回车保存,退出

再次进行扩展文件系统

#chfs -a size=+500G /u01

没有报错,扩容完毕

df -g 再次检查就行了

转载：https://www.cnblogs.com/Nedved/p/10472428.html