The document appears to contain technical details and configurations for the SUSE Linux Enterprise 11 High Availability Extension, including setup instructions for network addresses, storage management using DRBD, and service commands. It includes code snippets and structured configuration elements, such as monitoring roles and dependencies for high availability clusters. Additionally, it outlines the integration of certain services like openais and DRBD for redundancy and failover capabilities.

1. SLES11!"#$%
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–! UVL/0&'(12WVTJ
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High Availability Extension7PQ!
•! SUSE Linux Enterprise 11!‰HAeHigh
Availabilityf•–"#‰„À‰Á©k
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•! OpenAISŠN—+
•! DRBDyz{OCFS2Š˜™—†
•! GUI!XÃÄÅpÆÇ!
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3. ÉʉËÌ•–!
•! OS:SUSE Linux Enerprise 11eÍÎ SLES 11f
–! ÏÅÐXenÑÒ³s+†—OwÓÔ
•! ÁÂ…l†LSUSE Linux Enterprise 11 High
Availability ExtensioneÍÎ SLES 11 HAEf
–! ³?—tlÕ³OŠ~Ö+†wº×—ƒØyÙ
•! HA•–Ú¡*³-¢/ÛÜs¼¢"Ý!"#
–! ¡*³-¢/¡*³-¢ÚÞËÌ
–! ßà!á%eÚâãf
ä!
HA•–"#åæ!
1.! SLES 11 HAE‰³s+†—O
2.! /etc/hosts!‰Ö+†RXÃ
3.! NTPŠçµƒ„Ö+†è‰éêëì
4.! OpenAIS‰)*+,XÃ
5.! DRBDXÃ
6.! )*+,¢…—+í‰DRBDîïÁÂ
7.! &'-ŒseÍÎvmfðÝ
8.! )*+,¢…—+í‰vmÁÂ!
ñ!

4. SLES 11 HAE³s+†—O!
1.! òÀ SLES 11‰³s+†—Oóª+)ôƒÙÚ
ISO³?—tŠµõƒØyÙ
2.! [YaST]![…l†‡ˆv]![v»ös÷ø]Š)
¢k)
3.! v»ösÁ‰‡ªù—»púû$%‰!o
üýwþÿØð’Š!À%
4.! "#‰…l†‡ˆv‰ÁÂ![$Ƶ%]pÁ
Â&'Ø(%‰!¬ˆk)Š-'Ø)*
5.! ³s+†—O+#wSLES 11‰³s+†—O
óª+)ŠQ,&'%‰!oóª+)Š-'%
•ISO³?—tŠüÃØ)*
-!
R./0‰XÃ!
xen1yz{xen2!XÃ
1.! [YaST]![Ak†Ÿ—)˜—1+]![Ö+†
R]Šúû
2.! [ÁÂ]Š)¢k)
3.! IPv»œ+¾Ö+†R¾Ö+†‰r³¢v+Š
-K
–! 192.168.0.1 xen1.example.com xen1
–! 192.168.0.2 xen2.example.com xen2
2!

5. NTP˜—›XÃ!
xen1!XÃ
1.! [YaST]![Ak†Ÿ—)˜—1+]![NTP•
–XÃ]Šúû
2.! NTPó—3sŠŒ+•Žúûéw|4$%
zmXÃ
3.! ëì,³¡56‰[Undisciplined Local
Clock(LOCAL)]Š78
4.! [9:]!;—ÜO<=);k)ŠXÃ
5.! [»*³›‰€>]![Stratum]Š5wÓÔ!
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NTP)*³vs†XÃ!
xen2!XÃ
1.! [YaST]![Ak†Ÿ—)˜—1+]![NTP
•–XÃ]Šúû
2.! NTPó—3sŠŒ+•Žúûéw|4$
%zmXÃ
3.! [ÁÂ]!ëì@A‰XÃw[˜—›]Š
¬ˆk)ƒoxen1‰v»œ+Š-K
BC!

6. OpenAISÛk†vk¡e¡*³-¢f!
xen1!XÃ
1.! [YaST]![DEF—O]![)*+,]Šúû
2.! [Communication Channel]!çµ$%)*+
,M—»‰Ak†Ÿ—)v»œ+o-O¬§¨
+†v»œ+o-O¬§¨+†™—†ŠXÃ
–! Bind Network AddressL192.168.0.0
–! Multicast AddressL224.0.0.1
–! Multicast PortL5405
3.! M—»‰IDw1ŠXÃ
4.! rrp modeŠactivewXÃ!
BB!
OpenAISÛk†vk¡eÛÜs¼¢f7!
xen2!XÃ
1.! [YaST]![DEF—O]![)*+,]Šúû
2.! [Communication Channel]!çµ$%)*+
,M—»‰Ak†Ÿ—)v»œ+o-O¬§¨
+†v»œ+o-O¬§¨+†™—†ŠXÃ
–! Bind Network AddressL192.168.0.0
–! Multicast AddressL224.0.0.1
–! Multicast PortL5405
3.! M—»‰IDw2ŠXÃ
4.! rrp modeŠpassivewXÃ!
BG!

7. )*+,‰úû¾H)!
¡*³-¢/ÛÜs¼¢IJ!XÃ
1.! KLŠúû
2.! M—ù—haclusterw©+Ÿ—»ŠXÃ
–! xen1# passwd hacluster
–! xen2# passwd hacluster
3.! IJ‰Ö+†‰KLzNÍΉº-s»!)*+,Šúû
–! xen1# service openais start
–! xen2# service openais start
4.! ¡*³-¢Ö+†!)*+,‰GUIXÃF—OŠúû
–! xen1# crm_gui &
5.! Connection!)*+,wH)
–! Server:127.0.0.1
–! User NameLhacluster
–! PasswordLXÄ©+Ÿ—»
BO!
)*+,‰P0XÃ!
1.! )*+,XÃF—O‰QwR%[CRM
Config]Š)¢k)
2.! [No Quorum Policy]XÊ[ignore]wÓÔ
–! DRBDŠSµƒo)T—*ŽŠSµƒ½(„À
3.! [Stonith Enabled]‰¬ˆk)ŠU$
–! STONITHŠçV½(„À!
BÈ!

8. DRBDµîï‰W¶!
•! [YaST]!]Œ+•Ž]![óª+)‰àX]Š
úû
•! LVMµ©—•ªŒ¤sŠÁÂ
•! B¢®—ŽÄÅ!YÅB¢®—ŽŠÁÂ
–! B¢®—Ž«O—¡lv4drbdŠÁÂ
–! YÅB¢®—ŽvmconfigZvmimagesŠÁÂ
–! /dev/lv4drbd/vmconfig 3GB
–! /dev/lv4drbd/vmimages 40GB!
Bä!
DRBD‰XÃ(vmconfig)!
•! [YaST]![DEF—O]![Drbd]Šúû
•! …—+XÊ78ƒoAddŠ)¢k)
•! DRBD¢…—+vmconfigŠÁÂ
Node 1! Node 2!
[R! vmconfig!
Name! xen1! xen2!
Address:Port! 192.168.0.1:7789! 192.168.0.2:7789!
Device! /dev/drbd0! /dev/drbd0!
Disk! /dev/lv4drbd/vmconfig! /dev/lv4drbd/vmconfig!
Meta-disk! internal! internal!
Syncer Rate! 500M(Advanced Config!Xý(Z250KB)!Bñ!

9. DRBD‰XÃ(vmimages)!
•! DRBD¢…—+vmimagesŠÁÂ
Node 1! Node 2!
[R! vmimages!
Name! xen1! xen2!
Address:Port! 192.168.0.1:7790! 192.168.0.2:7790!
Device! /dev/drbd1! /dev/drbd1!
Disk! /dev/lv4drbd/vmimages! /dev/lv4drbd/vmimages!
Meta-disk! internal! internal!
Syncer Rate! 500M(Advanced Config!Xý(Z250KB)!
B-!
DRBD‰úû!
¡*³-¢/ÛÜs¼¢!DRBDŠúû
1.! ¡*³-¢•žÛÜs¼¢w/etc/drbd.confŠº×—
2.! KLŠúû
3.! DRBDŠúû
–! xen1# service drbd start
–! xen2# service drbd start
4.! ?,ó—,ŠðÝ
–! xen1# drbdadm create-md vmconfig
–! xen1# drbdadm create-md vmimages
–! xen2# drbdadm create-md vmconfig
–! xen2# drbdadm create-md vmimages
B2!

10. DRBD¢…—+‰•ì(!
1.! ¡*³-¢!DRBD¢…—+Š•ì(
–! xen1# drbdadm -- --overwrite-data-of-peer primary all
2.! DRBD‰]pUpToDatew½%‰ŠW^
–! xen1# service drbd status
–! xen2# service drbd status
3.! ¡*³-¢!/dev/drbd0yz{/dev/drbd1Š•ì(
–! xen1# mkfs –t xfs /dev/drbd0
–! xen1# mkfs –t xfs /dev/drbd1
4.! ¡*³-¢/ÛÜs¼¢IJ!DRBD‰ó—3sŠ_`
–! )*+,¢…—+ZƒØúû&a%„À
–! # service drbd stop
B?!
DRBDŠ)*+,¢…—+wÁÂ!
1.! ¡*³-¢Ö+†‰KLzNCUI)*+,X
ÃF—OŠúû
–! # crm config
2.! DRBDŠ)*+,¢…—+wÁÂ
–! º×b!cƒde
–! 1*‰f'gphi•wjõ!
GC!

11. vmconfigµXÃkl!
•! primitive vmconfig ocf:heartbeat:drbd params
drbd_resource=vmconfig op monitor role=Master interval=60s
timeout=30s op monitor role=Slave interval=60s timeout=30s
•! ms ms-vmconfig vmconfig meta clone-max=2 notify=true
globally-unique=false target-role=stopped
•! primitive fs-vmconfig ocf:heartbeat:Filesystem params
fstype=xfs directory=/etc/xen/vm device=/dev/drbd0 meta
target-role=stopped
•! order ms-vmconfig-before-fs-vmconfig mandatory: ms-
vmconfig:promote fs-vmconfig:start
•! colocation fs-vmconfig-on-ms-vmconfig inf: fs-vmconfig ms-
vmconfig:Master
•! commit
•! quit
GB!
vmimagesµXÃkl!
•! primitive vmimages ocf:heartbeat:drbd params
drbd_resource=vmimages op monitor role=Master interval=60s
timeout=30s op monitor role=Slave interval=60s timeout=30s
•! ms ms-vmimages vmimages meta clone-max=2 notify=true
globally-unique=false target-role=stopped
•! primitive fs-vmimages ocf:heartbeat:Filesystem params
fstype=xfs directory=/etc/xen/vm device=/dev/drbd0 meta
target-role=stopped
•! order ms-vmimages-before-fs-vmimages mandatory: ms-
vmimages:promote fs-vmimages:start
•! colocation fs-vmimages-on-ms-vmimages inf: fs-vmimages ms-
vmimages:Master
•! commit
•! quit
GG!

12. DRBD¢…—+úû!
1.! ¡*³-¢!)*+,‰GUIXÃF—OŠúû
–! # crm_gui
2.! Connection!)*+,wH)
3.! DRBD‰¢…—+pÁÂ&'Ø(%iZŠW^
4.! master¢…—+Š78ƒØ?u®—‰úûB,sŠ
)¢k)ƒØ¢…—+Šúû
5.! KLzNdfº-s»Šm*ƒØÍÎw-‡s†&'
Ø(%iZŠW^
–! /dev/drbd0 ! /etc/xen/vm
–! /dev/drbd0 ! /var/lib/xen/images!
GO!
&'-Œs‰ðÝ!
1.! [YaST]![&'(]![&'-Œs‰ðÝ]
Šúû
2.! &'-ŒsŠðÝ
–! &'-ŒsRLsles11-ha
–! OS:SLES11
–! n‰oÚpqXÃ
•! Windowsô)*+,¢…—+ZƒØrsÆÇ!
GÈ!

13. &'-ŒsŠ)*+,¢…—+wÁÂ!
•! ¡*³-¢Ö+†‰KLzNCUI)*+,X
ÃF—OŠúû
–! # crm config
•! &'-Œssles11-haŠ)*+,¢…—+w
ÁÂ
–! º×b!cƒde
–! 1*‰f'gphi•wjõ!
Gä!
&'-ŒsµXÃkl!
•! primitive sles11_ha ocf:heartbeat:Xen params name="sles11-
ha" xmfile="/etc/xen/vm/sles11-ha” op monitor interval="10s”
op start interval="0s" timeout="30s” op stop interval="0s"
timeout="300s"
•! colocation sles11_ha-with-fs-vmconfig inf: sles11_ha fs-
vmconfig
•! order sles11_ha-after-fs-vmconfig inf: fs-vmconfig:start
sles11_ha:start
•! colocation sles11_ha-with-fs-vmimages inf: sles11_ha fs-
vmimages
•! order sles11_ha-after-fs-vmimages inf: fs-vmimages:start
sles11_ha:start
•! commit
•! quit
Gñ!

14. HAûðW^!
1.! &'-Œsp¡*³-¢!ûðƒØ(%i
ZŠW^
2.! ¡*³-¢/ÛÜs¼¢IJ!GUI)*+,
XÃF—OŠúûƒo)*+,‰]Št
u
3.! ¡*³-¢‰v[ŠOFFw$%
4.! ÛÜs¼¢w!&'-Œspúû$%iZ
ŠW^
G-!
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•! XÃåæ‰xÝyZƒØÚ75%zž(
•! XÃklpå{Ὁp|Ó
•! }ÿÙN:N~•ZZØô€•w½%
•! GUIXÃF—Op‚S
–! ƒÇ„wÚ100%!Ú½(p
–! GUIÚzÙ…n%‰!oCUIôçmZ†(!
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–! RAIDºs†;—*—‰§¨kŒ®ÚOff
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•! FC SANLHP MSA1000
–! SCSI 146GB 10krpm " 14¿wz%RAID 5
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•! Cache OffLR50%/W50%
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18. •! ÈCPUpÉÊë%ÇeËp4%Ìyf
•! CPUºv¹Í&'CPU²š¹p+ô†(½¾Z
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•! Opteron‰8VMÚΕ«Ú´½(poÏЉ
CPUçµÑÚ68%Ìy!ÒKRNe4ºvÒNf
%ÇÓÔ!
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(2.6GHz)!
Xeon X5570
(2.93GHz HT On)!
Xeon X5570
(2.93GHz HT Off)!
8VM! 1553.1! 68.6%! 2175.3! 96.0%! 2180.3*! 96.2%!
12VM! 2265.4*! 100%! 2207.5! 97.4%! 2171.8! 95.9%!
16VM! 2249.1! 99.3%! 2248.7*! 99.3%! 2166.8! 95.6%!
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•! Ns¬-—)é‰+|®¯vK!ÓÔ
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•! Hyper Threadingp%ÇÕww@$%®¯vK
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Opteron 2435
(2.6GHz)!
Xeon X5570
(2.93GHz HT On)!
Xeon X5570
(2.93GHz HT Off)!
8VM! 200W! 87.3%! 259W! 113.1%! 253W*! 110.5%!
12VM! 229W*! 100%! 272W! 118.8%! 258W! 112.7%!
16VM! 229W! 100%! 279W*! 121.8%! 255W! 111.4%!
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