SLES11で構築するXen仮想化+HAクラスタ入門
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イベント名：オープンソースカンファレンス2009 Tokyo/Fall 講師：日本仮想化技術 宮原 日時：2009/10/31 アジェンダ： ー検証環境の説明 ー環境構築手順 概要： SLES11(SUSE Linux Enterprise Server 11)を使って、オープンソースの仮想化ソフトウェア「Xen」とHAクラスタソフトウェア「OpenAIS」を利用した仮想化クラスタ環境構築の手順について解説します。
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SLES11で構築するXen仮想化+HAクラスタ入門
- 1. SLES11!"#$% Xen&'(+HA)*+,-.! /0&'(123456789:;<6=>CEO ?@A*B7CDEFD GH7I miyahara@VirtualTech.jp JKLMNO3456 /0&'(1234567PQ! •! 6RL/0&'(123456 –! STRLVirtualTech Japan Inc. –! UVL/0&'(12WVTJ •! XYL2006Z12[ •! 0]L14,250,000^ •! 06L_`abcdbc1-1-10 •! :;<LGH7Ie89:;<6=>CEOf •! gh7ije:;<CTOf •! +,klL8Remno5.5Rp&'(12q.rstuv!$f •! URLLhttp://VirtualTech.jp/ •! &'(12wx$%EFyz{|} –! &'(12wx$%~•€• –! &'(12wx‚ƒ„…l†‡ˆv‰|} –! &'(12Š‹-ƒ„Œ+•Ž‰"#! /0•‰•Y‘ &'(12q’56 e“6€”f! 2
- 2. ‹-! &'(•–"#Š†—,O˜™—†! Xš! •! Xš –! ˜—›o+†œ—t•žAk†Ÿ—) !v¡¢ £—Œ¤s !¥¦ƒ„Xš –! §¨©Œ•ª¡*sus«eNs¬-—)f •! ‹- –! &'(…¢®—Œ¤s©k£—t‰¯° –! &'(±²eP2Vœ@Œ—-³«œ—Œ¤sf •! ´µ¶· –! rstuv¸¹! –! 12˜™—†‰¯° –! Xen…—+º—»œNO˜™—†! ´µ¶·! 3 Ns¼—u®—†*O½Ÿs+†k¡¾˜™—†Š¿¯°! High Availability Extension7PQ! •! SUSE Linux Enterprise 11!‰HAeHigh Availabilityf•–"#‰„À‰Á©k £—t •! OpenAISŠN—+ •! DRBDyz{OCFS2Š˜™—† •! GUI!XÃÄÅpÆÇ! È!
- 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+†RXà 3.! NTPŠçµƒ„Ö+†è‰éêëì 4.! OpenAIS‰)*+,Xà 5.! DRBDXà 6.! )*+,¢…—+í‰DRBDîïÁ 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!Xà 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!Xà 1.! [YaST]![Ak†Ÿ—)˜—1+]![NTP• –XÃ]Šúû 2.! NTPó—3sŠŒ+•Žúûéw|4$% zmXà 3.! ëì,³¡56‰[Undisciplined Local Clock(LOCAL)]Š78 4.! [9:]!;—ÜO<=);k)ŠXà 5.! [»*³›‰€>]![Stratum]Š5wÓÔ! ?! NTP)*³vs†XÃ! xen2!Xà 1.! [YaST]![Ak†Ÿ—)˜—1+]![NTP •–XÃ]Šúû 2.! NTPó—3sŠŒ+•Žúûéw|4$ %zmXà 3.! [ÁÂ]!ëì@A‰XÃw[˜—›]Š ¬ˆk)ƒoxen1‰v»œ+Š-K BC!
- 6. OpenAISÛk†vk¡e¡*³-¢f! xen1!Xà 1.! [YaST]![DEF—O]![)*+,]Šúû 2.! [Communication Channel]!çµ$%)*+ ,M—»‰Ak†Ÿ—)v»œ+o-O¬§¨ +†v»œ+o-O¬§¨+†™—†ŠXà –! Bind Network AddressL192.168.0.0 –! Multicast AddressL224.0.0.1 –! Multicast PortL5405 3.! M—»‰IDw1ŠXà 4.! rrp modeŠactivewXÃ! BB! OpenAISÛk†vk¡eÛÜs¼¢f7! xen2!Xà 1.! [YaST]![DEF—O]![)*+,]Šúû 2.! [Communication Channel]!çµ$%)*+ ,M—»‰Ak†Ÿ—)v»œ+o-O¬§¨ +†v»œ+o-O¬§¨+†™—†ŠXà –! Bind Network AddressL192.168.0.0 –! Multicast AddressL224.0.0.1 –! Multicast PortL5405 3.! M—»‰IDw2ŠXà 4.! rrp modeŠpassivewXÃ! BG!
- 7. )*+,‰úû¾H)! ¡*³-¢/ÛÜs¼¢IJ!Xà 1.! KLŠúû 2.! M—ù—haclusterw©+Ÿ—»ŠXà –! 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¤sŠÁ •! B¢®—ŽÄÅ!YÅB¢®—ŽŠÁ –! B¢®—Ž«O—¡lv4drbdŠÁ –! YÅB¢®—ŽvmconfigZvmimagesŠÁ –! /dev/lv4drbd/vmconfig 3GB –! /dev/lv4drbd/vmimages 40GB! Bä! DRBD‰XÃ(vmconfig)! •! [YaST]![DEF—O]![Drbd]Šúû •! …—+XÊ78ƒoAddŠ)¢k) •! DRBD¢…—+vmconfigŠÁ 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¢…—+vmimagesŠÁ 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)*+,¢…—+wÁ –! 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‰oÚpqXà •! Windowsô)*+,¢…—+ZƒØrsÆÇ! GÈ!
- 13. &'-ŒsŠ)*+,¢…—+wÁÂ! •! ¡*³-¢Ö+†‰KLzNCUI)*+,X ÃF—OŠúû –! # crm config •! &'-Œssles11-haŠ)*+,¢…—+w Á –! 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-! ZÀ! •! XÃåæ‰xÝyZƒØÚ75%zž( •! XÃklpå{Ὁp|Ó •! }ÿÙN:N~•ZZØô€•w½% •! GUIXÃF—Op‚S –! ƒÇ„wÚ100%!Ú½(p –! GUIÚzÙ…n%‰!oCUIôçmZ†(! G2!
- 15. &'(w‡(؈‰ƒ„( •! Šœ—»˜—›Z~e²Va„˜— ›&'(…¢®—Œ¤s‰ó3ôÆÇ ‹Œºs˜O•ªs«m•# yŽ•wy•(²VaÙ‘&( 29 y•(²Va’! “&'(•–Š"#ƒ„(pohiwˆ‰$'”((‰ã•! âÚ–—w¿ˆ‰Ù‘&(! 日本仮想化技術株式会社 ˜™™š›œœ•žŸ™ ¡¢£¤¥˜¦§šœ! ¨¡¢¤¨©•žŸ™ ¡¢£¤¥˜¦§š! CäCª-ä-BªCä2È! 30
- 16. y «! SSDÚ¬(•ã! A.! SSDÚ†&nm‘ –! $¬½*s¼Žv)Û+ –! -®¯vK –! -}° B.! SSD‹-Úé챲㠖! ‘m³p´½( –! ‘ ‘»*³Šµ¶p$( –! {᷸ʹwºí‰»¼! 32 <¥!
- 17. TPC-B Ns¬-—)½¾! 33 <¥! Ns¬-—)m*•–! •! SASóª+)L2.5” 36.4GB 15krpm " 2¿ •! SSDLIntel X25-E(SLC) 32GB " 2¿ –! RAIDºs†;—*—‰§¨kŒ®ÚOff –! óª+)ÀÁ‰§¨kŒ®ŠOn/OffƒÂà •! FC SANLHP MSA1000 –! SCSI 146GB 10krpm " 14¿wz%RAID 5 –! ºs†;—*—w512MB§¨kŒ® •! Cache OffLR50%/W50% •! Cache OnLR0%/W100% •! PostgreSQL 8.3.7wz%Ns¬-—) –! pgbench -c 20 -t 3000 –! 20Êm*ƒo11ÊÃ20ʉÄÅÆŠÇs! 34 <¥!
- 18. •! ÈCPUpÉÊë%ÇeËp4%Ìyf •! CPUºv¹Í&'CPU²š¹p+ô†(½¾Z ½ÿØ(% •! Opteron‰8VMÚΕ«Ú´½(poÏЉ CPUçµÑÚ68%Ìy!ÒKRNe4ºvÒNf %ÇÓÔ! 35 Opteron 2435 (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%! <¥! ®¯vKÓÔ! •! Ns¬-—)é‰+|®¯vK!ÓÔ •! OpteronÚXeonw@ƒØ16%•ž18%®¯vK p-( •! Hyper Threadingp%ÇÕww@$%®¯vK ‰ÖÑpR N†Ù½((3.8%:9.4%)! 36 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%! <¥!