RHEV Clustering da RHEL Hypervisors Shigar - Kashi na 5


A wannan bangare za mu tattauna wasu muhimman batutuwa da suka shafi jerin RHEV na mu. A cikin Sashe-2 na wannan jerin, mun tattauna RHEV Hypervisor turawa da shigarwa. A cikin wannan ɓangaren za mu tattauna wasu hanyoyin da za a shigar da RHEV Hypervisor.

An yi hanya ta farko ta hanyar amfani da RHEVH da aka keɓe wanda RedHat ta keɓance shi ba tare da wani canji ko canji daga bangaren gudanarwa ba. Wata hanya, za mu yi amfani da uwar garken RHEL na al'ada [Ƙananan shigarwa] wanda zai yi aiki a matsayin RHEV Hypervisor.

Mataki 1: Ƙara RHEL Hypervisor zuwa Muhalli

1. Shigar da sabar RHEL6 da aka yi rajista [Mafi ƙarancin shigarwa]. Kuna iya haɓaka mahallin ku ta ƙara ƙarin sabar RHEL6 mai rijista [Ƙarancin shigarwa] yana aiki azaman hypervisor.

OS: RHEL6.6 x86_64
Number of processors: 2
Number of cores : 1
Memory : 3G
Network : vmnet3
I/O Controller : LSI Logic SAS
Virtual Disk : SCSI
Disk Size : 20G
IP: 11.0.0.7
Hostname: rhel.mydomain.org

kuma ka tabbata ka duba zaɓin ƙirƙira a cikin saitunan mai sarrafa vm.

Alamomi : Tabbatar cewa tsarin ku yana biyan kuɗi zuwa tashoshi na redhat kuma na zamani, idan ba ku san yadda ake biyan kuɗi zuwa tashar biyan kuɗi ta redhat ba, kuna iya karanta labarin Enable Channel Subscription Channel.

Tukwici : Don adana albarkatun ku zaku iya rufe ɗaya daga cikin masu haɓakawa a halin yanzu da masu aiki.

2. Don juya uwar garken ku zuwa hypervisor {amfani da shi azaman hypervisor} kuna iya buƙatar shigar da wakilin RHEVM akansa.

# yum install vdsm

Bayan an gama shigarwar fakiti, Je zuwa shafin yanar gizon RHEVM don ƙara shi.

3. A kan RHEVH hypervisor, za ka iya ƙara RHEL hypervisor daga hanya ɗaya daga RHEM ta amfani da tushen shaidar RHEL hypervisor. Don haka, daga rhevm WUI canzawa zuwa Runduna shafin kuma danna sabo.

Sa'an nan kuma ba da bayanin mai masaukin ku kamar yadda aka nuna.

Na gaba, yi watsi da gargadin Power mgt sannan a gama sannan jira na ƴan mintuna kuma duba matsayin sabon mai masaukin baki.

Don ƙarin cikakkun bayanai game da ƙara Mai watsa shiri na RHEL, duba RedHat takaddun RHEV na hukuma.

Mataki 2: Sarrafa Rukunin RHEV

Tari a cikin RHEV yana kwatanta rukuni na rundunonin nau'in CPU iri ɗaya suna raba ajiya iri ɗaya [misali. akan hanyar sadarwa] kuma suna amfani da su don yin takamaiman aiki [misali. Babban Samun]

Tari gabaɗaya yana da ƙarin ayyuka da yawa za ku iya bincika labarin da ke bayanin Menene Tari da Fa'idodin/Rashin Amfaninsa.

Babban fa'idar tari a cikin RHEV shine don ba da dama da sarrafa ƙaura na injuna tsakanin runduna waɗanda ke cikin tari ɗaya.

RHEV yana da dabaru guda biyu:

1. Hijira kai tsaye
2. Yawan Samuwar

Live Hijira da aka yi amfani da shi a cikin yanayin da ba shi da mahimmanci wanda ke nufin komai yana aiki lafiya gabaɗaya amma dole ne ku yi wasu ayyuka daidaita nauyi (misali kun gano akwai na'ura mai ɗaukar hoto akan wani. zuwa wani don cimma daidaiton nauyi).

Lura: Babu katsewa ga ayyuka, aikace-aikace ko masu amfani da ke gudana a cikin VM yayin Hijira kai tsaye. Hijira kai tsaye kuma ana kiranta azaman sake rarraba albarkatu.

Ana iya sarrafa ƙaura kai tsaye da hannu ko ta atomatik bisa ga ƙayyadaddun ƙayyadaddun manufofin:

  1. Da hannu: Tilasta zabar masaukin wurin sannan ka yi ƙaura VM zuwa gare shi da hannu ta amfani da WUI.
  2. atomatik: Amfani da ɗaya daga cikin manufofin Cluster don sarrafa ƙaura kai tsaye bisa ga amfani da RAM, amfani da CPU, da sauransu.

Canja zuwa gungu shafin kuma zaɓi Cluster1 danna kan gyara.

Daga shafukan taga, canza zuwa shafin Manufofin Tagulla.

Zaɓi manufofin da aka rarraba daidai_daidai. Wannan manufar tana ba ku damar saita iyakar iyakar don amfani da CPU akan mai watsa shiri da lokacin da aka ba da izinin ɗaukar nauyi kafin fara ƙaura ta Live.

Alama

Kamar yadda aka nuna na saita iyakar iyakar zuwa 50% kuma tsawon lokaci ya zama 1 min.

Sannan Ok kuma canza zuwa shafin VM.

Zaɓi Linux vm [wanda aka ƙirƙira a baya] sannan danna edit kuma duba waɗannan abubuwan.

1. Daga Mai watsa shiri shafin : Duba Manual kuma An ba da izinin ƙaura ta atomatik don wannan VM.

2. Daga HA shafin : Bincika matakin fifiko na injin ɗin ku mai kama-da-wane. A cikin yanayinmu, ba shi da mahimmanci sosai kamar yadda muke wasa da vm ɗaya kawai. Amma zai zama mahimmanci don saita fifiko don vms ɗinku a cikin babban mahalli.

Sannan fara Linux VM.

Da farko, za mu yi amfani da Hijira Live da hannu. Linux VM a yanzu yana gudana akan rhel.mydomain.org.

Bari mu gudanar da umarni mai zuwa akan vm console, kafin fara ƙaura.

# ls -lRZ / 

Sannan zaɓi Linux VM kuma danna Migrate.

Idan ka zaɓi ta atomatik, tsarin zai duba mafi alhakin masaukin don zama makoma a ƙarƙashin tsarin tari. Za mu gwada wannan ba tare da tsangwama daga mai gudanarwa ba.

Don haka, bayan zaɓin da hannu kuma zaɓi wurin da aka nufa, Danna Ok kuma je zuwa na'ura mai ba da hanya tsakanin hanyoyin sadarwa kuma saka idanu kan umarni mai gudana. Hakanan zaka iya duba halin vm.

Kuna iya buƙatar saka idanu abubuwan da suka faru.

Bayan 'yan dakiku, zaku sami canji a cikin sunan mai watsa shiri vm.

VM ɗin ku da hannu yayi hijira cikin nasara!!

Bari mu gwada Hijira kai tsaye ta atomatik, burin mu shine mu sanya Load CPU akan Mai watsa shiri rhevhn1 ya wuce 50%. Za mu yi hakan ta hanyar ƙara nauyi akan vm kanta, don haka daga na'ura wasan bidiyo rubuta wannan umarni:

# dd if=/dev/urandom of=/dev/null

da kuma lura da lodi akan Mai watsa shiri.

Bayan 'yan mintoci kaɗan, nauyin da ke kan Mai watsa shiri zai wuce 50%.

Jira wasu 'yan mintuna kaɗan sannan ƙaura kai tsaye za ta fara kai tsaye kamar yadda aka nuna.

Hakanan zaka iya duba shafin ayyuka, kuma bayan ɗan jira kaɗan, injin ɗin ku yana yin ƙaura ta atomatik zuwa Mai watsa shiri rhel.

Muhimmi: Tabbatar cewa ɗaya daga cikin rundunoninku yana da albarkatu fiye da ɗayan. Idan runduna biyu iri ɗaya ce a cikin albarkatun. VM ba za a yi ƙaura ba saboda ba za a sami bambanci ba !!

Alamomi: Sanya Mai watsa shiri cikin Yanayin Kulawa zai Rayu Hijira ta atomatik da gudanar da VM zuwa wasu runduna a cikin tari iri ɗaya.

Don ƙarin bayani game da Hijira na VM, karanta Migrating Virtual Machines Tsakanin Runduna.

Alamomi: Hijira kai tsaye tsakanin gungu daban-daban ba a tallafawa bisa hukuma ana tsammanin shari'ar ɗaya za ku iya duba ta anan.

A cikin adawa da Hijira kai tsaye, ana amfani da HA don Rufe Halin Mahimmanci ba kawai nauyin daidaita ayyukan ba. Sashen gama gari wanda VM ɗin ku shima zai yi ƙaura zuwa wani mai masaukin baki amma tare da sake kunnawa lokaci.

Idan kuna da Kasawa, Mara Aiki ko Mai Rarraba Mai watsa shiri a cikin tarin ku, Hijira kai tsaye ba zai iya taimaka muku ba. HA za ta kashe na'ura mai kama-da-wane kuma ta sake kunna ta a kan wani sama da mai gudana a cikin gungu iri ɗaya.

Don kunna HA a cikin mahallin ku, dole ne ku sami aƙalla na'urar sarrafa wutar lantarki ɗaya [misali. wutar lantarki] a cikin mahallin ku.

Abin takaici, ba za mu iya yin hakan ba a cikin mahallin mu. Don haka don ƙarin game da HA a cikin RHEV don Allah a duba Inganta Lokaci tare da Babban Samun VM.

Tuna: Hijira kai tsaye da Babban Samuwar suna aiki tare da runduna a cikin gungu iri ɗaya tare da nau'in CPU iri ɗaya kuma an haɗa su da Ma'ajiyar Raba.

Ƙarshe:

Mun kai matsayi kololuwa a cikin jerin mu yayin da muka tattauna ɗaya daga cikin muhimman abubuwan da ke cikin Rukunin RHEV kamar yadda muka bayyana shi da muhimmancinsa. Hakanan mun tattauna nau'in nau'in [hanyar] na biyu don tura RHEV hypervisors wanda ya dogara da RHEL [aƙalla 6.6 x86_64].

A cikin labarin na gaba, za mu iya yin wasu ayyuka akan na'urori masu kama-da-wane kamar su hotuna, rufewa, cloning, fitarwa da wuraren waha.