{"id":239,"date":"2021-05-29T16:34:56","date_gmt":"2021-05-29T08:34:56","guid":{"rendered":"http:\/\/www.betterit360.com\/?p=239"},"modified":"2021-05-29T16:34:57","modified_gmt":"2021-05-29T08:34:57","slug":"%e5%a6%82%e4%bd%95%e8%b0%83%e6%95%b4%e6%a0%bc%e5%bc%8f%e5%8c%96%e4%b8%baxfs%e6%96%87%e4%bb%b6%e7%b3%bb%e7%bb%9f%e7%9a%84lvm%e5%88%86%e5%8c%ba%e5%a4%a7%e5%b0%8f","status":"publish","type":"post","link":"http:\/\/www.betterit360.com\/?p=239","title":{"rendered":"\u5982\u4f55\u8c03\u6574\u683c\u5f0f\u5316\u4e3aXFS\u6587\u4ef6\u7cfb\u7edf\u7684LVM\u5206\u533a\u5927\u5c0f"},"content":{"rendered":"\n

\u4e00\u3001\u73af\u5883\u8bf4\u660e<\/strong><\/strong><\/p>\n\n\n\n

\u5982\u56fe\u793a\u5b9e\u4f8b\uff0c\u7ea2\u8272\u7bad\u5934\u6240\u6307\/usr\u7a7a\u95f4\u5df2\u4f7f\u752880%\uff0c\u5bf9\u5e94\u7684LVM\u5206\u533a\u4e3arootvg-usr\u3002\u5982\u4f55\u5bf9rootvg-usr\u5206\u533a\u6269\u5bb9\uff1f<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u56fe\u793a\u5b9e\u4f8b\u4e2drootvg-usr\u6240\u5c5e\u7684\u5377\u7ec4\u4e3arootvg\uff0c\u5c1a\u6709\u4e0d\u52306GB\u7684\u5269\u4f59\u53ef\u7528\u7a7a\u95f4\u7528\u4e8e\u6269\u5bb9\u3002<\/p>\n\n\n\n

\u82e5PFree\u4e3a0\uff0c\u5982\u4f55\u5bf9rootvg-usr\u6269\u5bb9\uff1f<\/p>\n\n\n\n

\u53ef\u901a\u8fc7\u7f29\u51cf\u5377\u7ec4rootvg\u4e0b\u5176\u4ed6LVM\u5206\u533a\u5927\u5c0f\uff08\u5982rootvg-tivoli\uff09\uff0c\u817e\u51fa\u53ef\u7528\u7a7a\u95f4\u7ed9rootvg-usr\u53bb\u6269\u5bb9\u3002<\/p>\n\n\n\n

\u4e0b\u9762\u901a\u8fc7\u5b9e\u9a8c\u73af\u5883\u8fdb\u884c\u9a8c\u8bc1\u5e76\u7ed9\u51fa\u5177\u4f53\u64cd\u4f5c\u6b65\u9aa4\uff0c\u5b9e\u9a8c\u73af\u5883\u5982\u56fe\u793a\uff1a<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u5b9e\u9a8c\u76ee\u6807\uff1a\u7f29\u51cf\/tivoli\u7a7a\u95f4\u5927\u5c0f\uff088GB->4GB\uff09\uff0c\u589e\u52a0\/usr\u7a7a\u95f4\u5927\u5c0f\uff086GB->10GB\uff09\u3002<\/strong><\/strong><\/p>\n\n\n\n

\u4e8c\u3001\u64cd\u4f5c\u6b65\u9aa4<\/strong><\/strong><\/p>\n\n\n\n

2.1\u7f29\u51cf\/tivoli\u7a7a\u95f4\u5927\u5c0f\uff088GB->4GB\uff09<\/strong><\/strong><\/p>\n\n\n\n

2.1.1\u4f7f\u7528xfsdump\u5907\u4efd<\/strong>\/tivoli\u4e0b<\/strong>\u6570\u636e<\/strong><\/strong><\/p>\n\n\n\n

\u5b89\u88c5xfsdump\uff1a<\/p>\n\n\n\n

# yum install xfsdump -y<\/strong><\/strong><\/p>\n\n\n\n

\u5907\u4efd\u6570\u636e\u5230\/app\u4e0b\uff1a<\/p>\n\n\n\n

# <\/strong>xfsdump -f \/app\/tivoli.dump \/tivoli<\/strong><\/strong><\/p>\n\n\n\n

\u63d0\u793a\u8f93\u5165label\u65f6\u4e0d\u53ef\u5ffd\u7565\uff0c\u8fc7\u7a0b\u5982\u4e0b\uff1a<\/p>\n\n\n\n

xfsdump: using file dump (drive_simple) strategy<\/p>\n\n\n\n

xfsdump: version 3.1.7 (dump format 3.0) – type ^C for status and control<\/p>\n\n\n\n

 ============================= dump label dialog ==============================<\/p>\n\n\n\n

please enter label for this dump session (timeout in 300 sec)<\/p>\n\n\n\n

 -> tivolidump20210525<\/strong><\/p>\n\n\n\n

session label entered: “tivolidump20210525”<\/p>\n\n\n\n

 ——————————— end dialog ———————————<\/p>\n\n\n\n

xfsdump: level 0 dump of localhost.localdomain:\/tivoli<\/p>\n\n\n\n

xfsdump: dump date: Tue May 25 09:29:51 2021<\/p>\n\n\n\n

xfsdump: session id: 50bd343c-6c09-4341-8ecc-434bea9d5006<\/p>\n\n\n\n

xfsdump: session label: “tivolidump20210525”<\/p>\n\n\n\n

xfsdump: ino map phase 1: constructing initial dump list<\/p>\n\n\n\n

xfsdump: ino map phase 2: skipping (no pruning necessary)<\/p>\n\n\n\n

xfsdump: ino map phase 3: skipping (only one dump stream)<\/p>\n\n\n\n

xfsdump: ino map construction complete<\/p>\n\n\n\n

xfsdump: estimated dump size: 19793664 bytes<\/p>\n\n\n\n

xfsdump: \/var\/lib\/xfsdump\/inventory created<\/p>\n\n\n\n

 ============================= media label dialog =============================<\/p>\n\n\n\n

please enter label for media in drive 0 (timeout in 300 sec)<\/p>\n\n\n\n

 -> tivolidump20210525<\/strong><\/p>\n\n\n\n

media label entered: “tivolidump20210525”<\/p>\n\n\n\n

 ——————————— end dialog ———————————<\/p>\n\n\n\n

xfsdump: creating dump session media file 0 (media 0, file 0)<\/p>\n\n\n\n

xfsdump: dumping ino map<\/p>\n\n\n\n

xfsdump: dumping directories<\/p>\n\n\n\n

xfsdump: dumping non-directory files<\/p>\n\n\n\n

xfsdump: ending media file<\/p>\n\n\n\n

xfsdump: media file size 19584736 bytes<\/p>\n\n\n\n

xfsdump: dump size (non-dir files) : 19409336 bytes<\/p>\n\n\n\n

xfsdump: dump complete: 36 seconds elapsed<\/p>\n\n\n\n

xfsdump: Dump Summary:<\/p>\n\n\n\n

xfsdump:   stream 0 \/app\/tivoli.dump OK (success)<\/p>\n\n\n\n

xfsdump: Dump Status: SUCCESS<\/p>\n\n\n\n

[root@localhost \/]# <\/p>\n\n\n\n

2.1.2\u5378\u8f7d\u5206\u533a<\/strong><\/strong><\/p>\n\n\n\n

# umount \/tivoli<\/strong><\/strong><\/p>\n\n\n\n

2.1.3\u4f7f\u7528lvreduce\u6536\u7f29\u903b\u8f91\u5377\u5230\u6240\u9700\u7684\u5927\u5c0f<\/strong><\/strong><\/p>\n\n\n\n

# lvreduce -L 4G \/dev\/rootvg\/tivoli<\/strong><\/strong><\/p>\n\n\n\n

  WARNING: Reducing active logical volume to 4.00 GiB.<\/p>\n\n\n\n

  THIS MAY DESTROY YOUR DATA (filesystem etc.)<\/p>\n\n\n\n

Do you really want to reduce rootvg\/tivoli? [y\/n]: y<\/p>\n\n\n\n

  Size of logical volume rootvg\/tivoli changed from 8.00 GiB (2048 extents) to 4.00 GiB (1024 extents).<\/p>\n\n\n\n

  Logical volume rootvg\/tivoli successfully resized.<\/p>\n\n\n\n

2.1.4\u4f7f\u7528xfs\u6587\u4ef6\u7cfb\u7edf\u683c\u5f0f\u5316\u5206\u533a<\/strong><\/strong><\/p>\n\n\n\n

# mkfs.xfs -f \/dev\/rootvg\/tivoli<\/strong><\/strong><\/p>\n\n\n\n

meta-data=\/dev\/rootvg\/tivoli     isize=512    agcount=4, agsize=262144 blks<\/p>\n\n\n\n

         =                       sectsz=512   attr=2, projid32bit=1<\/p>\n\n\n\n

         =                       crc=1        finobt=0, sparse=0<\/p>\n\n\n\n

data     =                       bsize=4096   blocks=1048576, imaxpct=25<\/p>\n\n\n\n

         =                       sunit=0      swidth=0 blks<\/p>\n\n\n\n

naming   =version 2              bsize=4096   ascii-ci=0 ftype=1<\/p>\n\n\n\n

log      =internal log           bsize=4096   blocks=2560, version=2<\/p>\n\n\n\n

         =                       sectsz=512   sunit=0 blks, lazy-count=1<\/p>\n\n\n\n

realtime =none                   extsz=4096   blocks=0, rtextents=0<\/p>\n\n\n\n

2.1.5\u91cd\u65b0\u6302\u8f7d\u5206\u533a<\/strong><\/strong><\/p>\n\n\n\n

# mount \/dev\/rootvg\/tivoli \/tivoli<\/strong><\/strong><\/p>\n\n\n\n

2.1.6\u4f7f\u7528xfsrestore\u6062\u590d<\/strong>\/tivoli\u4e0b<\/strong>\u6570\u636e<\/strong><\/strong><\/p>\n\n\n\n

# xfsrestore -f \/app\/tivoli.dump \/tivoli<\/strong><\/strong><\/p>\n\n\n\n

xfsrestore: using file dump (drive_simple) strategy<\/p>\n\n\n\n

xfsrestore: version 3.1.7 (dump format 3.0) – type ^C for status and control<\/p>\n\n\n\n

xfsrestore: searching media for dump<\/p>\n\n\n\n

xfsrestore: examining media file 0<\/p>\n\n\n\n

xfsrestore: dump description: <\/p>\n\n\n\n

xfsrestore: hostname: localhost.localdomain<\/p>\n\n\n\n

xfsrestore: mount point: \/tivoli<\/p>\n\n\n\n

xfsrestore: volume: \/dev\/mapper\/rootvg-tivoli<\/p>\n\n\n\n

xfsrestore: session time: Tue May 25 09:29:51 2021<\/p>\n\n\n\n

xfsrestore: level: 0<\/p>\n\n\n\n

xfsrestore: session label: “tivolidump20210525”<\/p>\n\n\n\n

xfsrestore: media label: “tivolidump20210525”<\/p>\n\n\n\n

xfsrestore: file system id: 91c5ee30-dd7e-4dbb-a336-6f3e77003f0b<\/p>\n\n\n\n

xfsrestore: session id: 50bd343c-6c09-4341-8ecc-434bea9d5006<\/p>\n\n\n\n

xfsrestore: media id: 81eef1ca-d96b-4701-86c1-08c8fb9c2cf6<\/p>\n\n\n\n

xfsrestore: using online session inventory<\/p>\n\n\n\n

xfsrestore: searching media for directory dump<\/p>\n\n\n\n

xfsrestore: reading directories<\/p>\n\n\n\n

xfsrestore: 84 directories and 235 entries processed<\/p>\n\n\n\n

xfsrestore: directory post-processing<\/p>\n\n\n\n

xfsrestore: restoring non-directory files<\/p>\n\n\n\n

xfsrestore: restore complete: 0 seconds elapsed<\/p>\n\n\n\n

xfsrestore: Restore Summary:<\/p>\n\n\n\n

xfsrestore:   stream 0 \/app\/tivoli.dump OK (success)<\/p>\n\n\n\n

xfsrestore: Restore Status: SUCCESS<\/p>\n\n\n\n

2.1.7\u68c0\u67e5<\/strong>\/tivoli\u4e0b<\/strong>\u6570\u636e<\/strong><\/strong><\/p>\n\n\n\n

# ls -l \/tivoli<\/strong><\/strong><\/p>\n\n\n\n

total 4<\/p>\n\n\n\n

drwxr-xr-x. 7 1001 1001 4096 Jul 21  2020 zkui<\/p>\n\n\n\n

\u7ecf\u8fc7\u4e0a\u8ff0\u64cd\u4f5c\uff0c<\/strong>\/tivoli\u7a7a\u95f4\u5df2\u4ece8GB\u7f29\u51cf\u52304GB\u3002\u817e\u51fa4GB\u53ef\u7528\u7a7a\u95f4\u7ed9rootvg-usr\u53bb\u6269\u5bb9\u3002<\/strong><\/strong><\/p>\n\n\n\n

2.2<\/strong>\u589e\u52a0\/usr\u7a7a\u95f4\u5927\u5c0f\uff086GB->10GB\uff09<\/strong><\/strong><\/p>\n\n\n\n

2.2.1\u4f7f\u7528<\/strong>lvextend<\/strong>\u589e\u52a0\u903b\u8f91\u5377\u5230\u6240\u9700\u7684\u5927\u5c0f<\/strong><\/strong><\/p>\n\n\n\n

# lvextend -L +4G \/dev\/rootvg\/usr -r<\/strong><\/strong><\/p>\n\n\n\n

  Size of logical volume rootvg\/usr changed from 6.00 GiB (1536 extents) to 10.00 GiB (2560 extents).<\/p>\n\n\n\n

  Logical volume rootvg\/usr successfully resized.<\/p>\n\n\n\n

meta-data=\/dev\/mapper\/rootvg-usr isize=512    agcount=4, agsize=393216 blks<\/p>\n\n\n\n

         =                       sectsz=512   attr=2, projid32bit=1<\/p>\n\n\n\n

         =                       crc=1        finobt=0 spinodes=0<\/p>\n\n\n\n

data     =                       bsize=4096   blocks=1572864, imaxpct=25<\/p>\n\n\n\n

         =                       sunit=0      swidth=0 blks<\/p>\n\n\n\n

naming   =version 2              bsize=4096   ascii-ci=0 ftype=1<\/p>\n\n\n\n

log      =internal               bsize=4096   blocks=2560, version=2<\/p>\n\n\n\n

         =                       sectsz=512   sunit=0 blks, lazy-count=1<\/p>\n\n\n\n

realtime =none                   extsz=4096   blocks=0, rtextents=0<\/p>\n\n\n\n

data blocks changed from 1572864 to 2621440<\/p>\n\n\n\n

2.2.2\u67e5\u770b\/usr\u7a7a\u95f4\u5927\u5c0f<\/strong><\/strong><\/p>\n\n\n\n

# df -Th \/usr<\/strong><\/strong><\/p>\n\n\n\n

Filesystem             Type  Size  Used Avail Use% Mounted on<\/p>\n\n\n\n

\/dev\/mapper\/rootvg-usr xfs    10G  1.5G  8.5G  16% \/usr<\/p>\n\n\n\n

\u53d1\u73b0\/usr\u7a7a\u95f4\u5df2\u4ece6GB\u589e\u52a0\u523010GB\u3002<\/p>\n\n\n\n

\u5206\u533a\u8c03\u6574\u540e\u7684\u7a7a\u95f4\u5982\u56fe\u793a\u3002<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u4e09\u3001\u53c2\u8003\u6587\u7ae0<\/strong><\/p>\n\n\n\n

3.1HOW TO REDUCE \/ SHRINK THE SIZE OF A LVM PARTITION FORMATTED WITH XFS FILESYSTEM?<\/strong><\/strong><\/p>\n\n\n\n

https:\/\/yallalabs.com\/linux\/how-to-reduce-shrink-the-size-of-a-lvm-partition-formatted-with-xfs-filesystem\/<\/a><\/p>\n\n\n\n

3.2How to Extend a Logical Volume in LVM \u2013 for XFS, ext4 and swap filesystem<\/strong><\/strong><\/p>\n\n\n\n

https:\/\/www.thegeeksearch.com\/how-to-extend-a-logical-volume-in-lvm-for-xfs-ext4-and-swap-filesystem\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

\u4e00\u3001\u73af\u5883\u8bf4\u660e \u5982\u56fe\u793a\u5b9e\u4f8b\uff0c\u7ea2\u8272\u7bad\u5934\u6240\u6307\/usr\u7a7a\u95f4\u5df2\u4f7f\u752880%\uff0c\u5bf9\u5e94\u7684LVM\u5206\u533a\u4e3arootvg-usr\u3002\u5982\u4f55\u5bf9 … \u7ee7\u7eed\u9605\u8bfb\u201c\u5982\u4f55\u8c03\u6574\u683c\u5f0f\u5316\u4e3aXFS\u6587\u4ef6\u7cfb\u7edf\u7684LVM\u5206\u533a\u5927\u5c0f\u201d<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"_links":{"self":[{"href":"http:\/\/www.betterit360.com\/index.php?rest_route=\/wp\/v2\/posts\/239"}],"collection":[{"href":"http:\/\/www.betterit360.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.betterit360.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.betterit360.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.betterit360.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=239"}],"version-history":[{"count":3,"href":"http:\/\/www.betterit360.com\/index.php?rest_route=\/wp\/v2\/posts\/239\/revisions"}],"predecessor-version":[{"id":247,"href":"http:\/\/www.betterit360.com\/index.php?rest_route=\/wp\/v2\/posts\/239\/revisions\/247"}],"wp:attachment":[{"href":"http:\/\/www.betterit360.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=239"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.betterit360.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=239"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.betterit360.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=239"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}