Ideshibhodi ye-Nexus ye-Linux KVM
“
Imininingwane:
- libvirt version: 4.5.0-23.el7_7.1.x86_64
- Inguqulo yedeshibhodi ye-Nexus: 8.0.0
Imiyalo yokusetshenziswa komkhiqizo:
Isinyathelo 1: Landa Isithombe Sedeshibhodi ye-Cisco Nexus
- Dlulisa amehlo kufayela le-
Ikhasi Lokulanda Isofthiwe. - Chofoza Isofthiwe Yedeshibhodi ye-Nexus.
- Khetha inguqulo oyifunayo yedeshibhodi ye-Nexus kwesokunxele
ibha eseceleni. - Landa isithombe Sedeshibhodi ye-Cisco Nexus se-Linux KVM
(nd-dk9..qcow2). - Kopisha isithombe kuseva ye-Linux KVM:
# scp nd-dk9..qcow2 impande@ikheli leseva:/home/nd-base
Isinyathelo sesi-2: Dala Izithombe Zediski Ezidingekayo zamaNode
- Ngena ngemvume kumsingathi wakho we-KVM njengempande.
- Dala uhla lwemibhalo lwesifinyezo se-node.
- Dala isifinyezo sesithombe esiyisisekelo se-qcow2:
# qemu-img dala -f qcow2 -b /home/nd-base/nd-dk9..qcow2 /home/nd-node1/nd-node1-disk1.qcow2
Qaphela: Nge-RHEL 8.6, sebenzisa ipharamitha eyengeziwe njengoba icaciswe ku-
imanuwali. - Dala isithombe sediski esengeziwe senodi ngayinye:
# qemu-img dala -f qcow2 /home/nd-node1/nd-node1-disk2.qcow2 500G
- Phinda isinyathelo esingenhla kwamanye ama-node.
Isinyathelo sesi-3: Dala i-VM yeNode Yokuqala
- Vula ikhonsoli ye-KVM bese uchofoza Umshini Omusha Obonakalayo.
I-FAQ:
Q: Yiziphi izidingo zokuphakela ze-Nexus Deshibhodi ngaphakathi
Linux KVM?
A: Ukuthunyelwa kudinga inguqulo ye-libvirt
4.5.0-23.el7_7.1.x86_64 kanye nenguqulo ye-Nexus Dashboard 8.0.0.
Q: Ngingakuqinisekisa kanjani ukubambezeleka kwe-I/O ukuze kusetshenziswe?
A: Ukuze uqinisekise ukubambezeleka kwe-I/O, dala uhla lwemibhalo lokuhlola, sebenzisa ifayela le-
umyalo ocacisiwe usebenzisa i-fio, futhi uqinisekise ukuthi ukubambezeleka kungezansi
20ms.
Q: Ngisikopisha kanjani isithombe Sedeshibhodi ye-Cisco Nexus ku-Linux
Iseva ye-KVM?
A: Ungasebenzisa i-scp ukukopisha isithombe kuseva. Bukela ku
Isinyathelo 1 emiyalweni yezinyathelo ezinemininingwane.
“`
Kusetshenziswa ku-Linux KVM
· Okudingekayo kanye Nezinkombandlela, ekhasini 1 · Kusetshenziswa Ideshibhodi ye-Nexus ku-Linux KVM, ekhasini 2
Okudingekayo kanye Nezinkombandlela
Ngaphambi kokuthi uqhubeke nokuphakela iqoqo Ledeshibhodi ye-Nexus ku-Linux KVM, kufanele: · Uqinisekise ukuthi isici sefomu le-KVM sisekela isikali sakho nezimfuneko zezinsizakalo. Ukusekelwa kwesikali namasevisi nokubamba ngokuhlanganyela kuyahlukahluka ngokusekelwe kusici sefomu leqoqo. Ungasebenzisa ithuluzi Lokuhlela Umthamo Wedeshibhodi ye-Nexus ukuze uqinisekise ukuthi into yefomu ebonakalayo izanelisa izidingo zakho zokuphakela. · Review futhi ugcwalise izimfuneko ezijwayelekile ezichazwe kokuthi Okudingekayo: Ideshibhodi ye-Nexus. · Review futhi ugcwalise noma yiziphi izimfuneko ezingeziwe ezichazwe kokuthi Amanothi Okukhishwa kumasevisi ohlela ukuwasebenzisa. · Qinisekisa ukuthi umndeni we-CPU osetshenziselwa i-Nexus Dashboard VMs isekela isethi yemiyalo ye-AVX. · Qinisekisa ukuthi unezinsiza ezanele zesistimu:
Kusetshenziswa ku-Linux KVM 1
Kusetshenziswa Ideshibhodi ye-Nexus ku-Linux KVM
Kusetshenziswa ku-Linux KVM
Ithebula 1: Izidingo Zokusebenzisa
Izidingo · Ukuthunyelwa kwe-KVM kusekelwa kumasevisi Okulawula Indwangu Yedeshibhodi ye-Nexus kuphela. · Kufanele usebenzise ku-CentOS 7.9 noma ku-Red Hat Enterprise Linux 8.6 · Kufanele ube nezinguqulo ezisekelwayo ze-Kernel ne-KVM: · Ku-CentOS 7.9, inguqulo ye-Kernel 3.10.0-957.el7.x86_64 nenguqulo ye-KVM
libvirt-4.5.0-23.el7_7.1.x86_64
· Nge-RHEL 8.6, inguqulo ye-Kernel 4.18.0-372.9.1.el8.x86_64 kanye nenguqulo ye-KVM ye-libvert
8.0.0
· 16 vCPUs · 64 GB RAM · 550 GB disk
Inodi ngayinye idinga ukwahlukaniswa kwediski okuzinikele · Idiski kufanele ibe ne-I/O latency engu-20ms noma ngaphansi.
Ukuze uqinisekise ukubambezeleka kwe-I/O: 1. Dala uhla lwemibhalo lokuhlola.
Okwesiboneloample, idatha yokuhlola. 2. Qalisa umyalo olandelayo:
# fio -rw=bhala -ioengine=sync -fdatasync=1 -directory=test-data -size=22m -bs=2300 -name=mytest
3. Ngemva kokuthi umyalo usukhishiwe, qinisekisa ukuthi i-99.00th=[ ] ku-fsync/fdatasync/sync_file_isigaba sobubanzi singaphansi kuka-20ms.
· Sincoma ukuthi inodi yedeshibhodi ye-Nexus ngayinye isetshenziswe ku-hypervisor ye-KVM ehlukile.
Kusetshenziswa Ideshibhodi ye-Nexus ku-Linux KVM
Lesi sigaba sichaza indlela yokusebenzisa iqoqo Ledeshibhodi ye-Cisco Nexus ku-Linux KVM.
Ngaphambi kokuthi uqale · Qiniseka ukuthi uyahlangabezana nezidingo kanye nemihlahlandlela echazwe kokuthi Okudingekayo kanye Nezinkombandlela, ekhasini 1.
Kusetshenziswa ku-Linux KVM 2
Kusetshenziswa ku-Linux KVM
Kusetshenziswa Ideshibhodi ye-Nexus ku-Linux KVM
Inqubo
Isinyathelo 1 Isinyathelo 2 Isinyathelo 3
Isinyathelo 4
Landa isithombe Sedeshibhodi ye-Cisco Nexus. a) Phequlula ekhasini Lokulanda Isofthiwe.
https://software.cisco.com/download/home/286327743/type/286328258
b) Chofoza Isofthiwe yedeshibhodi ye-Nexus. c) Kubha eseceleni yesokunxele, khetha inguqulo yedeshibhodi ye-Nexus ofuna ukuyilanda. d) Landa isithombe Sedeshibhodi ye-Cisco Nexus se-Linux KVM (nd-dk9. .qcow2). Kopisha isithombe kumaseva e-Linux KVM lapho uzosingatha khona ama-node. Ungasebenzisa i-scp ukukopisha isithombe, isiboneloample:
# scp nd-dk9. .qcow2 impande@ :/home/nd-base
Izinyathelo ezilandelayo zicabanga ukuthi ukopishe isithombe kuhla lwemibhalo /home/nd-base.
Dala izithombe zediski ezidingekayo zenodi yokuqala. Uzodala isifinyezo sesithombe esiyisisekelo se-qcow2 osilandisile futhi usebenzise izifinyezo njengezithombe zediski zama-VM wamanodi. Uzodinga futhi ukudala isithombe sediski sesibili senodi ngayinye. a) Ngena ngemvume kumsingathi wakho we-KVM njengomsebenzisi wempande. b) Dala uhla lwemibhalo lwesithombe se-node.
Izinyathelo ezilandelayo zicabanga ukuthi udala isifinyezo kumkhombandlela /home/nd-node1.
# mkdir -p /home/nd-node1/ # cd/home/nd-node1
c) Dala isifinyezo. Emyalweni olandelayo, buyisela /home/nd-base/nd-dk9. .qcow2 ngendawo yesithombe esiyisisekelo osidalile esinyathelweni sangaphambilini.
# qemu-img dala -f qcow2 -b /home/nd-base/nd-dk9. .qcow2 /home/nd-node1/nd-node1-disk1.qcow2
Qaphela Uma usebenzisa nge-RHEL 8.6, ungase udinge ukunikeza ipharamitha eyengeziwe ukuze uchaze nefomethi yesifinyezo sendawo oya kuyo. Uma kunjalo, buyekeza umyalo ongenhla kulokhu okulandelayo: # qemu-img create -f qcow2 -b /home/nd-base/nd-dk9.2.1.1a.qcow2 /home/nd-node1/nd-node1-disk1.qcow2 -F qcow2
d) Dala isithombe sediski esengeziwe se-node. Inodi ngayinye idinga amadiski amabili: isifinyezo sesithombe sesisekelo se-Nexus Dashboard qcow2 kanye nediski engu-500GB yesibili.
# qemu-img dala -f qcow2 /home/nd-node1/nd-node1-disk2.qcow2 500G
Phinda isinyathelo sangaphambilini ukuze udale izithombe zediski zenodi yesibili neyesithathu. Ngaphambi kokuthi uqhubekele esinyathelweni esilandelayo, kufanele ube nalokhu okulandelayo:
· Kwinodi yokuqala, /home/nd-node1/ inkomba enezithombe ezimbili zediski:
Kusetshenziswa ku-Linux KVM 3
Kusetshenziswa Ideshibhodi ye-Nexus ku-Linux KVM
Kusetshenziswa ku-Linux KVM
Isinyathelo 5
· /home/nd-node1/nd-node1-disk1.qcow2, okuyisifinyezo sesisekelo sesithombe se-qcow2 osilande kusinyathelo soku-1.
· /home/nd-node1/nd-node1-disk2.qcow2, okuyidiski entsha engu-500GB oyidalile.
· Kunodi yesibili, /home/nd-node2/ inkomba enezithombe ezimbili zediski: · /home/nd-node2/nd-node2-disk1.qcow2, okuyisithombe esifinyeziwe sesisekelo sesithombe se-qcow2 osilande kuSinyathelo 1.
· /home/nd-node2/nd-node2-disk2.qcow2, okuyidiski entsha engu-500GB oyidalile.
· Kunodi yesithathu, /home/nd-node3/ inkomba enezithombe ezimbili zediski: · /home/nd-node1/nd-node3-disk1.qcow2, okuyisithombe esifinyeziwe sesisekelo sesithombe se-qcow2 osilande kuSinyathelo 1.
· /home/nd-node1/nd-node3-disk2.qcow2, okuyidiski entsha engu-500GB oyidalile.
Dala i-VM yenodi yokuqala. a) Vula ikhonsoli ye-KVM bese uchofoza Umshini Omusha Obonakalayo.
Ungavula ikhonsoli ye-KVM emugqeni womyalo usebenzisa umyalo we-virt-manager. Uma indawo yakho ye-Linux KVM ingenayo i-GUI yedeskithophu, sebenzisa umyalo olandelayo bese uqhubekela esinyathelweni sesi-6.
i-virt-install -import -name -memory 65536 -vcpus 16 -os-type generic -disk path=/path/to/disk1/nd-node1-d1.qcow2,format=qcow2,bus=virtio -disk path=/path/to/disk2/nd-node1-d2.qcowwork=owtiow2,qcow=owtiow2 ,imodeli=virtio -ibhuloho lenethiwekhi= ,imodeli=virtio -console pty,target_type=serial -noautoconsole -autostart
b) Esikrinini esisha se-VM, khetha okuthi Ngenisa isithombe sediski esikhona bese uchofoza Phambili. c) Kunkambu ethi Nikeza indlela yokugcina ekhona, chofoza okuthi Phequlula bese ukhetha okuthi nd-node1-disk1.qcow2 file.
Sincoma ukuthi isithombe sediski senodi ngayinye sigcinwe esahlukaniso sediski saso.
d) Khetha i-Generic yohlobo lwe-OS nenguqulo, bese uchofoza Phambili. e) Cacisa inkumbulo engu-64GB nama-CPU angu-16, bese uchofoza Phambili. f) Faka Igama lomshini we-virtual, isiboneloample nd-node1 futhi uhlole ukucushwa Kwenza Ngokwezifiso ngaphambili
ukufaka inketho. Bese uchofoza Qeda. Qaphela Kumelwe ukhethe okuthi Enza ngendlela oyifisayo ukumisa ngaphambi kokufaka ibhokisi lokuhlola ukuze ukwazi ukwenza ngokwezifiso idiski nekhadi lenethiwekhi elidingekayo endaweni.
Iwindi lemininingwane ye-VM lizovuleka.
Ewindini lemininingwane ye-VM, shintsha imodeli yedivayisi ye-NIC: a) Khetha i-NIC . b) Ngemodeli Yedivayisi, khetha i-e1000. c) Ngomthombo Wenethiwekhi, khetha idivayisi yebhuloho futhi unikeze igama lebhuloho elithi "mgmt".
Qaphela
Kusetshenziswa ku-Linux KVM 4
Kusetshenziswa ku-Linux KVM
Kusetshenziswa Ideshibhodi ye-Nexus ku-Linux KVM
Isinyathelo 6 Isinyathelo 7
Ukudala izisetshenziswa zamabhuloho kungaphandle kobubanzi balo mhlahlandlela futhi kuncike ekusabalaliseni kanye nenguqulo yesistimu yokusebenza. Bheka imibhalo yesistimu yokusebenza, njenge-Red Hat's Configuring ibhuloho lenethiwekhi, ukuze uthole ulwazi olwengeziwe.
Ewindini lemininingwane ye-VM, engeza i-NIC yesibili:
a) Chofoza Engeza Hardware. b) Esikrinini esithi Engeza Izingxenyekazi Zekhompyutha Ezintsha, khetha Inethiwekhi. c) Ngomthombo Wenethiwekhi, khetha idivayisi yebhuloho futhi unikeze igama lebhuloho "ledatha" elidaliwe. d) Shiya inani elizenzakalelayo lekheli le-Mac. e) Ngemodeli Yedivayisi, khetha u-e1000.
Ewindini lemininingwane ye-VM, engeza isithombe sediski sesibili:
a) Chofoza Engeza Hardware. b) Esikrinini esithi Engeza Izingxenyekazi Zekhompyutha Entsha, khetha Isitoreji. c) Ngomshayeli webhasi wediski, khetha i-IDE. d) Khetha Khetha noma dala isitoreji sangokwezifiso, chofoza okuthi Phatha, bese ukhetha okuthi nd-node1-disk2.qcow2 file udalile. e) Chofoza okuthi Qeda ukuze wengeze idiski yesibili.
Qaphela Qinisekisa ukuthi unika amandla inketho yokumisa i-Copy host CPU ku-UI Yesiphathi Somshini Obonakalayo.
Ekugcineni, chofoza okuthi Qala Ukufaka ukuze uqedele ukudala i-VM yenodi.
Phinda izinyathelo zangaphambilini ukuze usebenzise indawo yesibili neyesithathu, bese uqala wonke ama-VM.
Qaphela Uma usebenzisa iqoqo lenodi eyodwa, ungakwazi ukweqa lesi sinyathelo.
Vula ikhonsoli eyodwa ye-node bese ulungisa ulwazi oluyisisekelo lwe-node. Uma indawo yakho ye-Linux KVM ingenayo i-GUI yedeskithophu, sebenzisa i-virsh console umyalo wokufinyelela ikhonsoli ye-node. a) Cindezela noma yimuphi ukhiye ukuze uqale ukusetha kokuqala.
Uzocelwa ukuthi usebenzise isisetshenziswa sokusetha sokuqala:
[ Kulungile ] Iqale ukusethwa kwe-atomix-boot. Iqala umsebenzi wokuqala we-cloud-init (ukuxhumana kwangaphambilini)… Iqala ukungena ngemvume… Iqala iwashi lokungena… Iqala imbobo yokhiye…
[ Kulungile ] Iqale imbobo kakhiye. [ Kulungile ] Iqale i-logrotate. [ Kulungile ] Iqale iwashi lelogi.
Cindezela noma yimuphi ukhiye ukuze uqalise ukusetha kokuqala kule khonsoli...
b) Faka futhi uqinisekise iphasiwedi yomqondisi
Le phasiwedi izosetshenziselwa ukungena ngemvume kwe-SSH yomsebenzisi wokuhlenga kanye nephasiwedi yokuqala ye-GUI.
Qaphela Kufanele unikeze ngephasiwedi efanayo kuwo wonke amanodi noma ukudalwa kweqoqo kuzohluleka.
Iphasiwedi Yomlawuli: Faka kabusha Iphasiwedi Yomlawuli:
Kusetshenziswa ku-Linux KVM 5
Kusetshenziswa Ideshibhodi ye-Nexus ku-Linux KVM
Kusetshenziswa ku-Linux KVM
Isinyathelo 8 Isinyathelo 9 Isinyathelo 10
c) Faka imininingwane yenethiwekhi yokuphatha.
Inethiwekhi Yokuphatha: Ikheli Le-IP/Imaski: 192.168.9.172/24 Isango: 192.168.9.1
d) Kwinodi yokuqala kuphela, yibeke “njengoMholi Weqoqo”.
Uzongena ku-cluster leader node ukuze uqedele ukumisa futhi uqedele ukudala iqoqo.
Ingabe lona umholi weqoqo?: y
e) Review futhi uqinisekise ulwazi olufakiwe.
Uzobuzwa ukuthi uyafuna yini ukushintsha ulwazi olufakiwe. Uma zonke izinkambu zilungile, khetha okuthi n ukuze uqhubeke. Uma ufuna ukushintsha noma yiluphi ulwazi olufakiwe, faka u-y ukuze uqale kabusha umbhalo oyisisekelo wokucushwa.
Sicela uphindeview config Management network:
Isango: 192.168.9.1 Ikheli le-IP/Imaski: 192.168.9.172/24 Umholi weqembu: yebo
Faka kabusha ukulungiselelwa? (y/N): n
Phinda isinyathelo sangaphambilini ukuze ulungiselele ulwazi lokuqala lwamanodi esibili nawesithathu.
Awudingi ukulinda ukucushwa kwe-node yokuqala ukuthi kuqedwe, ungaqala ukumisa amanye amanodi amabili kanye kanye.
Qaphela Kufanele unikeze ngephasiwedi efanayo kuwo wonke amanodi noma ukudalwa kweqoqo kuzohluleka.
Izinyathelo zokusebenzisa i-node yesibili neyesithathu ziyefana ngaphandle kokuthi kufanele ukhombise ukuthi abayena uMholi weQembu.
Linda ukuthi inqubo yokuqala ye-bootstrap iqedele kuwo wonke ama-node.
Ngemva kokunikeza nokuqinisekisa ulwazi lwenethiwekhi yokuphatha, ukusethwa kokuqala endaweni yokuqala (Umholi Weqembu) kumisa inethiwekhi futhi kuveze i-UI, ozoyisebenzisa ukuze wengeze amanye amanodi amabili futhi uqedele ukusetshenziswa kweqoqo.
Sicela ulinde ukuthi isistimu iqale: [##########################] 100% Isistimu ivuliwe, sicela ulinde i-UI ukuthi ixhumeke ku-inthanethi.
Isistimu ye-UI eku-inthanethi, sicela ungene ku-https://192.168.9.172 ukuze uqhubeke.
Vula isiphequluli sakho bese uzulazulela uye ku-https:// ukuvula i-GUI.
Okunye ukuhamba komsebenzi kokucushwa kwenzeka kusuka kwenye ye-GUI ye-node. Ungakhetha noma iyiphi i-node oyifakile ukuze uqale inqubo ye-bootstrap futhi awudingi ukungena ngemvume noma ulungiselele amanye ama-node amabili ngokuqondile.
Faka iphasiwedi oyinikezile esinyathelweni sangaphambilini bese uchofoza Ngena
Kusetshenziswa ku-Linux KVM 6
Kusetshenziswa ku-Linux KVM
Kusetshenziswa Ideshibhodi ye-Nexus ku-Linux KVM
Isinyathelo 11
Nikeza Imininingwane Yeqoqo. Kusikrini semininingwane ye-Cluster sewizadi ye-Cluster Bringup, hlinzeka ngolwazi olulandelayo:
Kusetshenziswa ku-Linux KVM 7
Kusetshenziswa Ideshibhodi ye-Nexus ku-Linux KVM
Kusetshenziswa ku-Linux KVM
a) Nikeza Ngegama Leqoqo laleli qoqo Ledeshibhodi ye-Nexus. Igama leqoqo kufanele lilandele izimfuneko ze-RFC-1123.
b) (Ongakukhetha) Uma ufuna ukunika amandla ukusebenza kwe-IPv6 kuqoqo, hlola ibhokisi lokuhlola elithi Vumela i-IPv6. c) Chofoza okuthi +Engeza Umhlinzeki we-DNS ukuze wengeze iseva ye-DNS eyodwa noma ngaphezulu.
Ngemva kokufaka ulwazi, chofoza uphawu lokuhlola ukuze ululondoloze. d) (Ongakukhetha) Chofoza okuthi +Engeza Isizinda Sosesho se-DNS ukuze wengeze isizinda sosesho.
Kusetshenziswa ku-Linux KVM 8
Kusetshenziswa ku-Linux KVM
Kusetshenziswa Ideshibhodi ye-Nexus ku-Linux KVM
Ngemva kokufaka ulwazi, chofoza uphawu lokuhlola ukuze ululondoloze.
e) (Ongakukhetha) Uma ufuna ukunika amandla ukuqinisekiswa kweseva ye-NTP, nika amandla ibhokisi lokuhlola Lokuqinisekisa le-NTP bese uchofoza okuthi Engeza Ukhiye we-NTP. Ezinkambini ezengeziwe, hlinzeka ngolwazi olulandelayo: · Ukhiye we-NTP ukhiye we-cryptographic osetshenziselwa ukufakazela ubuqiniso bethrafikhi ye-NTP phakathi kweDeshibhodi ye-Nexus kanye namaseva e-NTP. Uzochaza amaseva e-NTP esinyathelweni esilandelayo, futhi amaseva amaningi e-NTP angasebenzisa ukhiye ofanayo we-NTP.
· Umazisi Wokhiye ukhiye ngamunye we-NTP kufanele unikezwe i-ID yokhiye oyingqayizivele, osetshenziselwa ukukhomba ukhiye ofanele ongawusebenzisa lapho uqinisekisa iphakethe le-NTP.
· I-Auth Type lokhu kukhishwa kusekela izinhlobo zokuqinisekisa ze-MD5, SHA, ne-AES128CMAC.
· Khetha ukuthi lo khiye uthenjiwe yini. Okhiye abangathenjwa abanakusetshenziselwa ukufakazela ubuqiniso be-NTP.
Qaphela Ngemva kokufaka ulwazi, chofoza uphawu lokuhlola ukuze ulugcine. Ukuze uthole uhlu oluphelele lwezidingo zokuqinisekisa ze-NTP nemihlahlandlela, bheka Okudingekayo Nemihlahlandlela.
f) Chofoza okuthi +Engeza Igama Lomethuli We-NTP/Ikheli Le-IP ukuze wengeze iseva ye-NTP eyodwa noma ngaphezulu. Ezinkambini ezengeziwe, hlinzeka ngolwazi olulandelayo: · Umsingathi we-NTP kufanele unikeze ikheli le-IP; Igama lesizinda elifaneleke ngokugcwele (FQDN) alisekelwe.
· I-ID engukhiye uma ufuna ukunika amandla ukuqinisekiswa kwe-NTP kwale seva, nikeza i-ID yokhiye wokhiye we-NTP owuchaze esinyathelweni sangaphambilini. Uma ukuqinisekiswa kwe-NTP kukhutshaziwe, le nkambu iba mpunga.
· Khetha ukuthi le seva ye-NTP Iyakhethwa yini.
Ngemva kokufaka ulwazi, chofoza uphawu lokuhlola ukuze ululondoloze. Qaphela Uma i-node ongene kuyo ilungiselelwe ngekheli le-IPv4 kuphela, kodwa uhlole okuthi Vumela i-IPv6 esinyathelweni sangaphambilini futhi unikeze ikheli le-IPv6 leseva ye-NTP, uzothola iphutha lokuqinisekisa elilandelayo:
Lokhu kungenxa yokuthi inodi ayinalo ikheli le-IPv6 okwamanje (uzoyihlinzeka esinyathelweni esilandelayo) futhi ayikwazi ukuxhuma ekhelini le-IPv6 leseva ye-NTP. Kulesi simo, vele uqedele ukunikeza olunye ulwazi oludingekayo njengoba kuchazwe ezinyathelweni ezilandelayo bese uchofoza Okulandelayo ukuze uqhubekele esikrinini esilandelayo lapho uzohlinzeka khona ngamakheli e-IPv6 wamanodi.
Uma ufuna ukuhlinzeka ngamaseva e-NTP engeziwe, chofoza okuthi +Engeza Umsingathi we-NTP futhi bese uphinda lesi sinyathelo esincane.
g) Nikeza ngeseva elibamba, bese uchofoza okuthi Qinisekisa.
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Kumaqoqo angenakho ukuxhumana okuqondile kumafu we-Cisco, sincoma ukuthi ulungiselele iseva elibamba ukuze kusungulwe ukuxhumana. Lokhu kukuvumela ukuthi unciphise ubungozi ekuvezweni ku-hardware engahambisani nesoftware ezindwangu zakho.
Ungaphinda ukhethe ukunikeza ikheli le-IP elilodwa noma amaningi ukuxhumana nawo okufanele weqe ummeleli ngokuchofoza okuthi +Engeza Umsingathi wokuziba.
Iseva elibamba kufanele ibe nokulandelayo URLs inikwe amandla:
dcappcenter.cisco.com svc.intersight.com svc.ucs-connect.com svc-static1.intersight.com svc-static1.ucs-connect.com
Uma ufuna ukweqa ukulungiselelwa kommeleli, chofoza okuthi Yeqa ummeleli.
h) (Ongakukhetha) Uma iseva elibamba lakho lidinga ukuqinisekiswa, nika amandla ukuqinisekiswa okudingekayo Kummeleli, hlinzeka ngemininingwane yokungena, bese uchofoza okuthi Qinisekisa.
i) (Ongakukhetha) Nweba isigaba Sezilungiselelo Ezithuthukile futhi ushintshe izilungiselelo uma kudingeka.
Ngaphansi kwezilungiselelo ezithuthukisiwe, ungalungiselela okulandelayo:
· Nikeza Inethiwekhi Yohlelo Lokusebenza ngokwezifiso kanye Nenethiwekhi Yesevisi.
Inethiwekhi yembondela yohlelo lokusebenza ichaza isikhala sekheli esisetshenziswa izinsiza zohlelo lokusebenza ezisebenza Kudeshibhodi ye-Nexus. Inkambu igcwaliswe ngaphambilini ngevelu ezenzakalelayo ethi 172.17.0.1/16.
Inethiwekhi yamasevisi iyinethiwekhi yangaphakathi esetshenziswa Ideshibhodi ye-Nexus kanye nezinqubo zayo. Inkambu igcwaliswe ngaphambilini ngevelu ezenzakalelayo engu-100.80.0.0/16.
Uma uke wahlola inketho ethi Vumela i-IPv6 ngaphambilini, ungaphinda uchaze ama-subnet e-IPv6 ohlelo lokusebenza kanye namanethiwekhi wesevisi.
Amanethiwekhi ohlelo lokusebenza namasevisi achazwe esigabeni Sezimfuneko Nemihlahlandlela ekuqaleni kwalo mbhalo.
j) Chofoza Okulandelayo ukuze uqhubeke.
Esikrinini se-Node Details, buyekeza ulwazi lwe-node yokuqala.
Uyichazile inethiwekhi Yokuphatha kanye nekheli le-IP le-node ongene kuyo njengamanje ngesikhathi sokucushwa kwe-node yokuqala ezinyathelweni zangaphambili, kodwa kufanele futhi unikeze imininingwane yenethiwekhi Yedatha yenodi ngaphambi kokuthi uqhubeke nokwengeza amanye ama-node ayisisekelo nokudala iqoqo.
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a) Chofoza inkinobho ethi Hlela eduze kwenodi yokuqala.
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Inombolo ye-serial yenodi, ulwazi Lwenethiwekhi Yokuphatha, kanye Nohlobo kugcwala ngokuzenzakalela kodwa kufanele unikeze ngolunye ulwazi.
b) Nikeza Igama lenodi. Igama le-node lizosethwa njengegama lomethuleli walo, ngakho-ke kufanele lilandele izimfuneko ze-RFC-1123.
c) Kokudonsela phansi kohlobo, khetha Okuyinhloko. Amanodi okuqala angu-3 eqoqo kufanele asethelwe kokuthi Okuyisisekelo. Uzokwengeza amanodi esibili esinyathelweni sakamuva uma kudingeka ukuze unike amandla ukusingathwa kwezinsizakalo kanye nesilinganiso esiphezulu.
d) Endaweni Yenethiwekhi Yedatha, hlinzeka ngolwazi lwe-Node Yenethiwekhi Yedatha. Kufanele unikeze ikheli le-IP lenethiwekhi yedatha, i-netmask, nesango. Ngokuzithandela, unganikeza ne-VLAN ID yenethiwekhi. Ngokusetshenziswa okuningi, ungashiya inkambu ye-VLAN ID ingenalutho. Uma ubunike amandla ukusebenza kwe-IPv6 esikrinini sangaphambilini, kufanele futhi unikeze ikheli le-IPv6, i-netmask, nesango. Qaphela Uma ufuna ukunikeza ulwazi lwe-IPv6, kufanele ukwenze ngesikhathi senqubo ye-cluster bootstrap. Ukuze ushintshe ukucushwa kwe-IP kamuva, uzodinga ukuphakela kabusha iqoqo. Wonke ama-node kuqoqo kufanele alungiselelwe nge-IPv4 kuphela, i-IPv6 kuphela, noma isitaki esikabili IPv4/IPv6.
e) (Ongakukhetha) Uma iqoqo lakho lisatshalaliswe kumodi ye-L3 HA, Nika amandla i-BGP yenethiwekhi yedatha. Ukulungiselelwa kwe-BGP kuyadingeka kusici se-Persistent IPs esisetshenziswa amanye amasevisi, njengemininingwane kanye nesilawuli sendwangu. Lesi sici sichazwa ngokuningiliziwe kokuthi Okudingekayo Nezinkombandlela kanye nasezigabeni "Amakheli E-IP Aqhubekayo" ze-Cisco Nexus Nexus User Dashboard User Guide. Qaphela Unganika amandla i-BGP ngalesi sikhathi noma ku-Nexus Dashboard GUI ngemva kokuthi iqoqo selikhishiwe.
Uma ukhetha ukunika amandla i-BGP, kufanele futhi unikeze ulwazi olulandelayo: · I-ASN (Inombolo Yesistimu Yokuzihambela ye-BGP) yale nodi. Ungakwazi ukumisa i-ASN efanayo kuwo wonke ama-node noma i-ASN ehlukile inodi ngayinye.
· Nge-IPv6 emsulwa, i-ID Yerutha yale nodi. I-ID yomzila kufanele kube ikheli le-IPv4, ngokwesiboneloample 1.1.1.1
· Imininingwane Yontanga ye-BGP, ehlanganisa ikheli le-IPv4 noma IPv6 lontanga kanye ne-ASN yontanga.
f) Chofoza Londoloza ukuze ulondoloze izinguquko. Esikrinini se-Node Details, chofoza Engeza I-Node ukuze wengeze inodi yesibili kuqoqo. Uma usebenzisa iqoqo lenodi eyodwa, yeqa lesi sinyathelo.
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a) Endaweni Yemininingwane Yokuthunyelwa, nikeza Ikheli Le-IP Yokuphatha kanye Nephasiwedi yenodi yesibili
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Uchaze imininingwane yenethiwekhi yokuphatha kanye nephasiwedi ngesikhathi sezinyathelo zokuqala zokucushwa kwenodi.
b) Chofoza u-Qinisekisa ukuze uqinisekise ukuxhumeka ku-node. Inombolo Ye-serial yenodi kanye nolwazi Lwenethiwekhi Yokuphatha kugcwala ngokuzenzakalela ngemva kokuqinisekiswa kokuxhumana.
c) Nikeza Igama lenodi. d) Kokudonsela phansi kohlobo, khetha Okuyinhloko.
Amanodi okuqala angu-3 eqoqo kufanele asethelwe kokuthi Okuyisisekelo. Uzokwengeza amanodi esibili esinyathelweni sakamuva uma kudingeka ukuze unike amandla ukusingathwa kwezinsizakalo kanye nesilinganiso esiphezulu.
e) Endaweni Yenethiwekhi Yedatha, hlinzeka ngolwazi lwe-Node Yenethiwekhi Yedatha. Kufanele unikeze ikheli le-IP lenethiwekhi yedatha, i-netmask, nesango. Ngokuzithandela, unganikeza ne-VLAN ID yenethiwekhi. Ngokusetshenziswa okuningi, ungashiya inkambu ye-VLAN ID ingenalutho. Uma ubunike amandla ukusebenza kwe-IPv6 esikrinini sangaphambilini, kufanele futhi unikeze ikheli le-IPv6, i-netmask, nesango.
Qaphela Uma ufuna ukunikeza ulwazi lwe-IPv6, kufanele ukwenze ngesikhathi senqubo ye-cluster bootstrap. Ukuze ushintshe ukucushwa kwe-IP kamuva, uzodinga ukuphakela kabusha iqoqo. Wonke ama-node ku-cluster kufanele alungiselelwe nge-IPv4 kuphela, i-IPv6 kuphela, noma isitaki esikabili IPv4/IPv6.
f) (Ongakukhetha) Uma iqoqo lakho lisatshalaliswe kumodi ye-L3 HA, Nika amandla i-BGP yenethiwekhi yedatha. Ukulungiselelwa kwe-BGP kuyadingeka kusici se-Persistent IPs esisetshenziswa amanye amasevisi, njengemininingwane kanye nesilawuli sendwangu. Lesi sici sichazwa ngokuningiliziwe kokuthi Okudingekayo Nezinkombandlela kanye nasezigabeni "Amakheli E-IP Aqhubekayo" ze-Cisco Nexus Nexus User Dashboard User Guide.
Qaphela Unganika amandla i-BGP ngalesi sikhathi noma ku-Nexus Dashboard GUI ngemva kokuthi iqoqo selikhishiwe.
Uma ukhetha ukunika amandla i-BGP, kufanele futhi unikeze ulwazi olulandelayo: · I-ASN (Inombolo Yesistimu Yokuzihambela ye-BGP) yale nodi. Ungakwazi ukumisa i-ASN efanayo kuwo wonke ama-node noma i-ASN ehlukile inodi ngayinye.
· Nge-IPv6 emsulwa, i-ID Yerutha yale nodi. I-ID yomzila kufanele kube ikheli le-IPv4, ngokwesiboneloample 1.1.1.1
· Imininingwane Yontanga ye-BGP, ehlanganisa ikheli le-IPv4 noma IPv6 lontanga kanye ne-ASN yontanga.
g) Chofoza Londoloza ukuze ulondoloze izinguquko. h) Phinda lesi sinyathelo ngenodi yokugcina (yesithathu) eyinhloko yeqoqo. Ekhasini Lemininingwane Yezindawo, qinisekisa imininingwane enikeziwe bese uchofoza Okulandelayo ukuze uqhubeke.
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Khetha Imodi Yokuphakela yeqoqo. a) Khetha izinsiza ofuna ukuzinika amandla.
Ngaphambi kokukhipha i-3.1(1), bekufanele ulande futhi ufake izinsiza ngazinye ngemva kokuqedwa kokuthunyelwa kweqoqo lokuqala. Manje ungakhetha ukunika amandla izinsizakalo ngesikhathi sokufakwa kokuqala.
Inothi Kuya ngenani lamanodi kuqoqo, amanye amasevisi noma izimo zokubamba ngokuhlanganyela zingase zingasekelwa. Uma ungakwazi ukukhetha inombolo oyifunayo yezinsizakalo, chofoza okuthi Emuva bese uqinisekisa ukuthi unikeze amanodi esibili anele esinyathelweni sangaphambilini.
b) Chofoza okuthi Engeza Ama-IP/Amachibi Esevisi Eqhubekayo ukuze unikeze i-IP eyodwa noma amaningi aphikelelayo adingwa Ulwazi noma amasevisi Okulawula Indwangu.
Ukuze uthole ulwazi olwengeziwe mayelana nama-IP aqhubekayo, bheka isigaba esithi Izimfuneko Nemihlahlandlela.
c) Chofoza Okulandelayo ukuze uqhubeke.
Esikrinini sokufingqa, kabushaview futhi uqinisekise imininingwane yokucushwa bese uchofoza okuthi Londoloza ukuze wakhe iqoqo.
Ngesikhathi se-node bootstrap kanye nokuletha iqoqo, inqubekelaphambili iyonke kanye nenqubekelaphambili ngayinye yenodi izoboniswa ku-UI. Uma ungaboni ukuqhubeka kwe-bootstrap, qala kabusha ikhasi kusiphequluli sakho ukuze ubuyekeze isimo.
Kungase kuthathe amaminithi angafika kwangu-30 ukuthi iqoqo lakheke futhi zonke izinkonzo ziqale. Uma ukucushwa kweqoqo sekuqediwe, ikhasi lizolayisha kabusha ku-Nexus Dashboard GUI.
Qinisekisa ukuthi iqoqo liphilile.
Kungase kuthathe amaminithi angafika kwangu-30 ukuthi iqoqo lakheke futhi zonke izinkonzo ziqale.
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Ngemva kokuba iqoqo selitholakala, ungalifinyelela ngokuphequlula kunoma yiliphi elinye lamakheli e-IP okuphatha amanodi akho. Iphasiwedi ezenzakalelayo yomsebenzisi womlawuli iyafana nephasiwedi yomsebenzisi wokuhlenga oyikhethile endaweni yokuqala. Ngalesi sikhathi, i-UI izobonisa isibhengezo phezulu esithi “Ukufakwa Kwesevisi kuyaqhubeka, imisebenzi yokumisa ye-Nexus Deshibhodi ivaliwe okwamanje”:
Ngemuva kokuthi wonke iqoqo selisetshenzisiwe futhi zonke izinkonzo seziqalisiwe, ungabheka i-Overview ikhasi lokuqinisekisa ukuthi iqoqo liphilile:
Kungenjalo, ungangena kunoma iyiphi i-node eyodwa nge-SSH njengomsebenzisi wokuhlenga usebenzisa iphasiwedi oyinikezile ngesikhathi sokuthunyelwa kwe-node futhi usebenzisa umyalo wezempilo we-acs ukuhlola isimo::
· Ngenkathi iqoqo lisahlangana, ungase ubone okuphumayo okulandelayo:
$ acs impilo
Ukufakwa kwe-k8s kuyaqhubeka
$ acs impilo
izinsiza ze-k8s ezingekho esimweni esifiselekayo - […] $ acs impilo
I-k8s: I-Etcd cluster ayilungile · Uma iqoqo selivuliwe futhi lisebenza, okuphumayo okulandelayo kuzoboniswa:
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$ acs impilo Zonke izingxenye ziphilile
Qaphela Kwezinye izimo, ungase ujikeleze i-node (uyicime bese uphinde uyivule) futhi uyithole ibambelele kulokhu.tage: sebenzisa amasevisi esistimu yesisekelo Lokhu kungenxa yenkinga nge- etcd ku-node ngemva kokuqaliswa kabusha kweqoqo le-pND (Physical Nexus Dashboard). Ukuze uxazulule inkinga, faka umyalo ohlanzekile we-acs ku-node ethintekile.
Ngemva kokukhipha ideshibhodi yakho ye-Nexus namasevisi, ungamisa isevisi ngayinye njengoba ichazwe ekucushweni kwayo nasezindabeni zokusebenza.
· Ukuze uthole Isilawuli Sendwangu, bheka iphepha elimhlophe lokucushwa komuntu we-NDFC nomtapo wezincwadi. · Nge-Orchestrator, bheka ikhasi lemibhalo. · Ukuze uthole imininingwane, bheka umtapo wezincwadi.
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Amadokhumenti / Izinsiza
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Ideshibhodi ye-CISCO Linux KVM Nexus [pdf] Iziyalezo Ideshibhodi ye-Linux KVM Nexus, Ideshibhodi ye-KVM Nexus, Ideshibhodi ye-Nexus |