dbrd 8.4.6 源碼編譯安裝，dbrd8.4.6源碼編譯

dbrd 8.4.6 源碼編譯安裝，dbrd8.4.6源碼編譯

----------------------------0.系統內容----------------------------db01   192.168.50.10  /dev/sdb1  主節點db02   192.168.50.20  /dev/sdb1  備節點# grep -v "#" /etc/hosts192.168.50.10 db01 db01.mysql.com192.168.50.20 db02 db02.mysql.com#一塊新硬碟ll /dev/sd*ll /dev/sdb*brw-rw---- 1 root disk 8, 16 Jun 24 13:37 /dev/sdbbrw-rw---- 1 root disk 8, 17 Jun 24 13:37 /dev/sdb1NOTE:sdb1分區未格式化.----------------------------1.準備安裝環境----------------------------yum install -y make automak kernel kernel-devel kernel-headers gcc flex libxslt----------------------------2.編譯安裝drbd----------------------------wget http://oss.linbit.com/drbd/8.4/drbd-8.4.6.tar.gztar xzf drbd-8.4.6.tar.gzcd drbd-8.4.6------------------#開始編譯安裝drbd，和8.4.5之前版本有所不同，這裡不用./configure,直接make就可以了./configure --prefix=/usr/local/drbd --with-km --with-heartbeat --sysconfdir=/etc/#with-km開啟核心模組#with-heartbeat 開啟heart支援#ls -ld /usr/src/kernels/$(uname -r)/make KDIR=/usr/src/kernels/$(uname -r)/  #指定核心源路徑開始編譯#make install--直接結果:make -C drbd installmake[1]: Entering directory `/soft/drbd-8.4.6/drbd'install -d //lib/modules/2.6.32-431.el6.x86_64/updatesinstall -m 644 drbd.ko //lib/modules/2.6.32-431.el6.x86_64/updates/sbin/depmod -a || /sbin/depmod -e drbd.ko 2>&1 >/dev/null || truemake[1]: Leaving directory `/soft/drbd-8.4.6/drbd'編譯成功模組安裝位置#modprobe -l | grep -i drbdupdates/drbd.ko載入模組# modprobe drbd#lsmod | grep drbddrbd                  376868  0 libcrc32c               1246  1 drbd----------------------------3.編譯安裝drbd-utils----------------------------#wget http://oss.linbit.com/drbd/drbd-utils-8.9.3.tar.gz-P /usr/local/src/# tar -xf drbd-utils-8.9.3.tar.gz -C /usr/local/src# cd /usr/local/src/drbd-utils-8.9.3這裡用了--without-83support，因為安裝的是8.4以上版本#./configure --prefix=/usr/local/drbd --sysconfdir=DIR --without-83support/******************參數詳解Fine tuning of the installation directories:  --bindir=DIR            user executables [EPREFIX/bin]  --sbindir=DIR           system admin executables [EPREFIX/sbin]  --libexecdir=DIR        program executables [EPREFIX/libexec]  --sysconfdir=DIR        read-only single-machine data [PREFIX/etc]  --sharedstatedir=DIR    modifiable architecture-independent data [PREFIX/com]  --localstatedir=DIR     modifiable single-machine data [PREFIX/var]  --libdir=DIR            object code libraries [EPREFIX/lib]  --includedir=DIR        C header files [PREFIX/include]  --oldincludedir=DIR     C header files for non-gcc [/usr/include]  --datarootdir=DIR       read-only arch.-independent data root [PREFIX/share]  --datadir=DIR           read-only architecture-independent data [DATAROOTDIR]  --infodir=DIR           info documentation [DATAROOTDIR/info]  --localedir=DIR         locale-dependent data [DATAROOTDIR/locale]  --mandir=DIR            man documentation [DATAROOTDIR/man]  --docdir=DIR            documentation root [DATAROOTDIR/doc/drbd]  --htmldir=DIR           html documentation [DOCDIR]  --dvidir=DIR            dvi documentation [DOCDIR]  --pdfdir=DIR            pdf documentation [DOCDIR]  --psdir=DIR             ps documentation [DOCDIR]Optional Features:  --disable-option-checking  ignore unrecognized --enable/--with options  --disable-FEATURE       do not include FEATURE (same as --enable-FEATURE=no)  --enable-FEATURE[=ARG]  include FEATURE [ARG=yes]  --enable-spec           Rather than creating Makefiles, create an RPM spec                          file onlyOptional Packages:  --with-PACKAGE[=ARG]    use PACKAGE [ARG=yes]  --without-PACKAGE       do not use PACKAGE (same as --with-PACKAGE=no)  --without-83support     Do not include support for drbd driver/module <= 8.3  --without-84support     Do not include support for drbd driver/module 8.4  --with-udev             Enable udev integration  --with-xen              Enable Xen integration  --with-pacemaker        Enable Pacemaker integration  --with-heartbeat        Enable Heartbeat v1 haresources integration scripts  --with-rgmanager        Enable Red Hat Cluster Suite integration  --with-bashcompletion   Enable programmable bash completion  --with-distro           Configure for a specific distribution (supported                          values: generic, redhat, suse, debian, gentoo,                          slackware; default is to autodetect)  --with-initdir          Override directory for init scripts (default is                          distribution-specific)  --with-noarchsubpkg     Build subpackages that support it for the "noarch"                          architecture (makes sense only with --enable-spec,                          supported by RPM from 4.6.0 forward)  --with-systemdunitdir=DIR                          Directory for systemd service files [Auto]  --with-tmpfilesdir=DIR  install configuration files for management of                          volatile files and directories in DIR                          [[PREFIX/lib/tmpfiles.d]]  --with-initscripttype=INIT_SCRIPT_TYPE                          Type of init script to install (sysv|systemd|both).                          [auto]********************************/#make#make install 安裝成功後drbd相關的工具(drbdadm,drbdsetup)被安裝到/usr/local/drbd-utils-8.9.3/etc/sbin目錄下#cp /usr/local/drbd/etc/rc.d/init.d/drbd /etc/rc.d/init.d/#chkconfig --add drbd#chkconfig  --level  2345  drbd  on#連結drbd的命令到系統命令路徑ln -s   /usr/local/drbd/sbin/*  /usr/bin/----------------------------4.設定drbd.conf設定檔----------------------------本次編譯安裝設定檔位置:/usr/local/drbd/etc/#vi /etc/drbd.conf----------------------------5.啟動--------------------------------5.0 在兩台機器上配置r0資源  兩台機器上分別初始化r0資源，建立DRBD分區準備初始化之前，需要分別在2個主機上的 空白分區上建立相應的中繼資料儲存的資料區塊：常見之前現將兩塊空白分區徹底清除資料,分別在兩個主機上執行dd  if=/dev/zero  of=/dev/sdb1  bs=1M  count=128 drbdadm -c /etc/drbd.conf create-md all或drbdadm -c /etc/drbd.conf create-md r0  --5.1啟動兩個節點drbdmkdir -p /usr/local/drbd/var/run/drbd#/etc/init.d/drbd start  Starting DRBD resources: no resources defined!no resources defined!no resources defined!PS：提示沒有定義“資源”，這是因為剛安裝好的DRBD，預設沒有*.res設定檔#netstat |grep 7788--5.2 查看狀態：#/etc/init.d/drbd status drbd driver loaded OK; device status:version: 8.4.6 (api:1/proto:86-101)GIT-hash: 833d830e0152d1e457fa7856e71e11248ccf3f70 build by root@db01.mysql.com, 2015-06-24 13:47:15m:res  cs         ro                   ds                         p  mounted  fstype0:r0   Connected  Secondary/Secondary  Inconsistent/Inconsistent  Ccs：表示串連狀態ro: 表示主從關係 上面的表示都為從ds：硬碟狀態資訊 上面表示已經即時同步中，Inconsistent：不一致# cat /proc/drbd version: 8.4.6 (api:1/proto:86-101)GIT-hash: 833d830e0152d1e457fa7856e71e11248ccf3f70 build by root@db01.mysql.com, 2015-06-24 13:47:15 0: cs:Connected ro:Primary/Secondary ds:UpToDate/UpToDate C r-----    ns:40088 nr:0 dw:0 dr:40248 al:0 bm:0 lo:0 pe:0 ua:0 ap:0 ep:1 wo:f oos:0# drbd-overview 0:r0/0  Connected Secondary/Secondary Inconsistent/Inconsistent--5.3 查看版本#cat /proc/drbd --5.4 查看位置whereis drbd  ----------------------------6.操作--------------------------------6.1 設定節點為主節點#第1步:設定主從第一次執行#drbdadm -- --overwrite-data-of-peer primary all#第2步:第一次執行後平常執行下面兩個其中一個命令#drbdadm primary --force r0  #drbdadm primary all#第3步:設定當前節點為主節點# cat /proc/drbd version: 8.4.6 (api:1/proto:86-101)GIT-hash: 833d830e0152d1e457fa7856e71e11248ccf3f70 build by root@db01.mysql.com, 2015-06-24 13:47:15 0: cs:Connected ro:Primary/Secondary ds:UpToDate/UpToDate C r-----    ns:40088 nr:0 dw:0 dr:40248 al:0 bm:0 lo:0 pe:0 ua:0 ap:0 ep:1 wo:f oos:0#drbdadm primary --force r0 # cat /proc/drbd version: 8.4.6 (api:1/proto:86-101)GIT-hash: 833d830e0152d1e457fa7856e71e11248ccf3f70 build by root@db01.mysql.com, 2015-06-24 13:47:15 0: cs:Connected ro:Primary/Secondary ds:UpToDate/UpToDate C r-----    ns:40088 nr:0 dw:0 dr:40248 al:0 bm:0 lo:0 pe:0 ua:0 ap:0 ep:1 wo:f oos:0說明:ro狀態變為ro:Primary/Secondary;ds狀態為:UpToDate/UpToDate(inconsisten) 即"即時/即時(不一致)"-----6.2 磁碟格式化(只對primary節點格式化)#drbd-overview 0:r0/0  Connected Primary/Secondary UpToDate/UpToDate 同步完畢之後，就可以對空白磁碟格式化了.#mkfs.ext4 /dev/drbd0  mke2fs 1.41.12 (17-May-2010)Filesystem label=OS type: LinuxBlock size=1024 (log=0)Fragment size=1024 (log=0)Stride=0 blocks, Stripe width=0 blocks10040 inodes, 40088 blocks2004 blocks (5.00%) reserved for the super userFirst data block=1Maximum filesystem blocks=411566085 block groups8192 blocks per group, 8192 fragments per group2008 inodes per groupSuperblock backups stored on blocks: 8193, 24577Writing inode tables: done                            Creating journal (4096 blocks): doneWriting superblocks and filesystem accounting information: doneThis filesystem will be automatically checked every 33 mounts or180 days, whichever comes first.  Use tune2fs -c or -i to override.----6.3掛載DRBD分區到本地（只能在primary節點上掛載）# mkdir /drbd_data# mount /dev/drbd0 /drbd_data/# cd /drbd_data/#ls ----6.4 常見命令--6.4.1 查看資源角色（前面代表當前資源角色）# drbdadm role r0  Primary/Secondary---6.4.2 查看資源串連狀態#drbdadm cstate r0  Connected---6.4.3 查看硬碟資料狀態# drbdadm dstate r0  UpToDate/UpToDate----6.4.4 注意事項1.主備伺服器同步的兩個分區大小最好相同（網上沒有關於分區大小是否一定要相同的確切說法）2.開始同步兩個節點的磁碟，需要一定時間，在同步完成前，不要重啟，否則會重新同步。3.掛載之前一定要先切換當前節點為主節點4.兩個節點中，同一時刻只能有一台處於primary狀態，另一台處於secondary狀態。5.處於從節點（secondary）狀態的伺服器不能載入drbd塊裝置6.將主節點切換為從節點之前要先卸載7.一台主機切換為主節點之前，要確保另一台主機已切換為從節點。----------------------------7.測試DRBD資料鏡像--------------------------------7.1格式化掛載磁碟#mkfs.ext4 /dev/drbd0# mkdir /drbd_data# mount /dev/drbd0 /drbd_data/# cd /drbd_data/---7.2 產生測試資料#touch /drbd_data/test.txt#dd  if=/dev/zero  of=/drbd_data/test.tmp  bs=1M  count=20# drbdadm dstate r0  UpToDate/UpToDate---7.3 將主節點drbd的狀態變為從# drbdadm role r0  Primary/Secondary#umount /drbd_data#drbdadm secondary all# drbdadm role r0  Secondary/Secondary---7.4 在從節點上進行掛載#drbdadm role r0 Secondary/Secondary#drbdadm primary all#drbdadm role r0 Primary/Secondary#mkdir /drbd_data#mount /dev/drbd0 /drbd_data/# ls -ls /drbd_data/total 20493   12 drwx------ 2 root root    12288 Jun 24 17:02 lost+found20481 -rw-r--r-- 1 root root 20971520 Jun 24 17:20 test.tmp測試成功.

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