vm1, vm2 \uc11c\ubc84\uc758 \/dev\/hda5 \ud30c\ud2f0\uc158\uc744 drbd\ub85c \uad6c\uc131\ud558\ub294 \uc608\uc81c.<\/p>\n
<\/p>\n
1. drbd \ud328\ud0a4\uc9c0 \uc124\uce58<\/p>\n
yum install drbd83
\nyum install kmod-drbd83<\/p>\n
—————————————————————————————————————<\/p>\n
<\/p>\n
2. drbd.conf \ud30c\uc77c \uc124\uc815<\/p>\n
[root@vm1 drbd.d]# cat \/etc\/drbd.conf
\n#
\n# please have a a look at the example configuration file in
\n# \/usr\/share\/doc\/drbd83\/drbd.conf
\n#
\ninclude “drbd.d\/global_common.conf”;
\ninclude “drbd.d\/*.res”;
\n[root@vm1 drbd.d]# cat \/etc\/drbd.d\/global_common.conf
\n# please have a a look at the example configuration file in
\n# \/usr\/share\/doc\/drbd83\/drbd.conf
\n#
\nglobal { usage-count yes; }
\ncommon { syncer { rate 10M; } }<\/p>\n
resource jook {
\nprotocol C;
\ndisk { on-io-error detach; }
\nsyncer {
\n}<\/p>\n
on vm1.jook.pe.kr {
\ndevice\u00a0\u00a0\u00a0\u00a0 \/dev\/drbd0;
\ndisk\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \/dev\/hda5;
\naddress\u00a0\u00a0 192.168.122.10:7788;
\nflexible-meta-disk internal;
\n}<\/p>\n
on vm2.jook.pe.kr {
\ndevice\u00a0\u00a0\u00a0 \/dev\/drbd0;
\ndisk\u00a0\u00a0\u00a0\u00a0\u00a0 \/dev\/hda5;
\naddress\u00a0\u00a0 192.168.122.20:7788;
\nmeta-disk internal;
\n}<\/p>\n
}
\n[root@vm1 drbd.d]#
\n[root@vm2 \/]# cat \/etc\/drbd.conf
\n#
\n# please have a a look at the example configuration file in
\n# \/usr\/share\/doc\/drbd83\/drbd.conf
\n#
\ninclude “drbd.d\/global_common.conf”;
\ninclude “drbd.d\/*.res”;
\n[root@vm2 \/]# cat \/etc\/drbd.d\/global_common.conf
\n# please have a a look at the example configuration file in
\n# \/usr\/share\/doc\/drbd83\/drbd.conf
\n#
\nglobal { usage-count yes; }
\ncommon { syncer { rate 10M; } }<\/p>\n
resource jook {
\nprotocol C;
\ndisk { on-io-error detach; }
\nsyncer {
\n}<\/p>\n
on vm1.jook.pe.kr {
\ndevice\u00a0\u00a0\u00a0\u00a0 \/dev\/drbd0;
\ndisk\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \/dev\/hda5;
\naddress\u00a0\u00a0 192.168.122.10:7788;
\nflexible-meta-disk internal;
\n}<\/p>\n
on vm2.jook.pe.kr {
\ndevice\u00a0\u00a0\u00a0 \/dev\/drbd0;
\ndisk\u00a0\u00a0\u00a0\u00a0\u00a0 \/dev\/hda5;
\naddress\u00a0\u00a0 192.168.122.20:7788;
\nmeta-disk internal;
\n}<\/p>\n
}
\n[root@vm2 \/]#<\/p>\n
—————————————————————————————————————<\/p>\n
<\/p>\n
3. meta data \uc0dd\uc131
\n[root@vm1 drbd.d]# drbdadm create-md all
\nmd_offset 929419264
\nal_offset 929386496
\nbm_offset 929357824<\/p>\n
Found ext3 filesystem
\n907576 kB data area apparently used
\n907576 kB left usable by current configuration<\/p>\n
Even though it looks like this would place the new meta data into
\nunused space, you still need to confirm, as this is only a guess.<\/p>\n
Do you want to proceed?
\n[need to type ‘yes’ to confirm] yes<\/p>\n
You want me to create a v08 style flexible-size internal meta data block.
\nThere appears to be a v08 flexible-size internal meta data block
\nalready in place on \/dev\/hda5 at byte offset 929419264
\nDo you really want to overwrite the existing v08 meta-data?
\n[need to type ‘yes’ to confirm] yes<\/p>\n
Writing meta data…
\ninitializing activity log
\nNOT initialized bitmap
\nNew drbd meta data block successfully created.<\/p>\n
<\/p>\n
[root@vm2 drbd.d]# drbdadm create-md all
\nmd_offset 929419264
\nal_offset 929386496
\nbm_offset 929357824<\/p>\n
Found ext3 filesystem
\n907576 kB data area apparently used
\n907576 kB left usable by current configuration<\/p>\n
Even though it looks like this would place the new meta data into
\nunused space, you still need to confirm, as this is only a guess.<\/p>\n
Do you want to proceed?
\n[need to type ‘yes’ to confirm] yes<\/p>\n
You want me to create a v08 style flexible-size internal meta data block.
\nThere appears to be a v08 flexible-size internal meta data block
\nalready in place on \/dev\/hda5 at byte offset 929419264
\nDo you really want to overwrite the existing v08 meta-data?
\n[need to type ‘yes’ to confirm] yes<\/p>\n
Writing meta data…
\ninitializing activity log
\nNOT initialized bitmap
\nNew drbd meta data block successfully created.
\n[root@vm2 drbd.d]#<\/p>\n
—————————————————————————————————————<\/p>\n
<\/p>\n
4. drbd \ub370\ubaac \uc2e4\ud589<\/p>\n
[root@vm1 drbd.d]# service drbd start
\nStarting DRBD resources: [
\njook
\nFound valid meta data in the expected location, 929419264 bytes into \/dev\/hda5.
\nd(jook) s(jook) n(jook) ]……….
\n***************************************************************
\nDRBD’s startup script waits for the peer node(s) to appear.
\n– In case this node was already a degraded cluster before the
\nreboot the timeout is 0 seconds. [degr-wfc-timeout]
\n– If the peer was available before the reboot the timeout will
\nexpire after 0 seconds. [wfc-timeout]
\n(These values are for resource ‘jook’; 0 sec -> wait forever)
\nTo abort waiting enter ‘yes’ [\u00a0 12]:
\n.
\n[root@vm1 drbd.d]#<\/p>\n
[root@vm2 drbd.d]# service drbd start
\nStarting DRBD resources: [
\njook
\nFound valid meta data in the expected location, 929419264 bytes into \/dev\/hda5.
\nd(jook) s(jook) n(jook) ].
\n[root@vm2 drbd.d]#<\/p>\n
—————————————————————————————————————<\/p>\n
<\/p>\n
5. Disk Sync<\/p>\n
primary \uc11c\ubc84\uc5d0\uc11c\ub9cc \uc2e4\ud589 [root@vm2 drbd.d]# cat \/proc\/drbd <\/p>\n 6. \uc0c1\ud0dc \ud655\uc778<\/p>\n [root@vm1 drbd.d]# cat \/proc\/drbd
\n[root@vm1 drbd.d]# drbdadm — –overwrite-data-of-peer primary all
\n[root@vm1 drbd.d]# cat \/proc\/drbd
\nversion: 8.3.8 (api:88\/proto:86-94)
\nGIT-hash: d78846e52224fd00562f7c225bcc25b2d422321d build by mockbuild@builder10.centos.org<\/a>, 2010-06-04 08:04:16
\n0: cs:SyncSource ro:Primary\/Secondary ds:UpToDate\/Inconsistent C r—-
\nns:281600 nr:0 dw:0 dr:281600 al:0 bm:17 lo:32 pe:0 ua:32 ap:0 ep:1 wo:b oos:625976
\n[=====>…………..] sync’ed: 31.6% (625976\/907576)K delay_probe: 52
\nfinish: 0:00:57 speed: 10,964 (10,428) K\/sec<\/p>\n
\nversion: 8.3.8 (api:88\/proto:86-94)
\nGIT-hash: d78846e52224fd00562f7c225bcc25b2d422321d build by mockbuild@builder10.centos.org<\/a>, 2010-06-04 08:04:16
\n0: cs:SyncTarget ro:Secondary\/Primary ds:Inconsistent\/UpToDate C r—-
\nns:0 nr:353664 dw:353280 dr:0 al:0 bm:21 lo:13 pe:20 ua:12 ap:0 ep:1 wo:b oos:554296
\n[======>………….] sync’ed: 39.2% (554296\/907576)K queue_delay: 0.1 ms
\nfinish: 0:00:48 speed: 11,336 (10,388) want: 10,240 K\/sec
\n[root@vm2 drbd.d]#
\n—————————————————————————————————————<\/p>\n
\nversion: 8.3.8 (api:88\/proto:86-94)
\nGIT-hash: d78846e52224fd00562f7c225bcc25b2d422321d build by mockbuild@builder10.centos.org<\/a>, 2010-06-04 08:04:16
\n0: cs:Connected ro:Primary\/Secondary ds:UpToDate\/UpToDate C r—-
\nns:907576 nr:0 dw:0 dr:907576 al:0 bm:56 lo:0 pe:0 ua:0 ap:0 ep:1 wo:b oos:0
\n[root@vm1 drbd.d]#<\/p>\n