Global vision. Local knowledge. - Cisco€¦ · Replikacija •Pre upgrade procedura •Brisanje...
Transcript of Global vision. Local knowledge. - Cisco€¦ · Replikacija •Pre upgrade procedura •Brisanje...
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Cisco Connect 2019Serbia, 19th March 2019
Global vision.
Local knowledge.
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Cisco Connect 2019 Collaboration
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Best Practices for Migrating Previous Versions of CUCM to version 12.XJelena CvejićJulijana Simić
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• Motivi za upgrade na verziju 12.X
• Preduslovi za upgrade
• Metode upgrade-a
• Prikaz odabranog modela
• Smart licenciranje
Agenda
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Motivi za upgrade
• End of life i end of support prethodnih verzija
• Novi feature-i na CUCM-u 11.X i 12.X
• Neki od feature-a na CUCM 12.X su:
• Podrška za hibridan model
• Podrška za IPv6 only
• Forsiranje minimalne TLS verzije
• Smart software licenciranje
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Povučeni telefoni
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Potrebne provere pre svakog upgrade-a
• Provera matrica kompatibilnosti
• Potrebno je utvrditi putanju upgrade-a
• Potrebno je proveriti verziju VMWare-a i po potrebi ga upgrade-ovati
• Proveriti da li je potrebno promeniti podešavanja virtuelne mašine
• Proveriti da li postoje telefoni koji neće raditi na novoj verziji CUCM-a
• Proveriti da li je dovoljna veličina diska na lokacijama
• Proveriti da li radi backup i napraviti nov
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VMWare zahtevi za verzije CUCM-a
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Potrebne promene na virtuelnoj mašini za upgrade sa CUCM 8/9 na CUCM 10/11/12
• Potrebno je promeniti verziju Linux-a
• Ako postoji samo jedan disk od 80GB, preporuka je povećati ga na 110GB
• Za upgrade CUCM 8 i 9 na kasnije verzije, potrebno je promeniti NIC karticu sa Flexible na VMXNET3
• Pre svih promena update-ovati verziju VMWare Tools-a
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CUCM 10.X -> 12.X OVA vRAM/Memory promene
• Potrebno je povećati vRAM za 2 GB pre upgrade-a sa 10.X na CUCM 12.X.
• Za upgrade sa 11.X na 12.X to nije potrebno
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Upgrade putanje
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Upgrade putanje
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Potrebna veličina diska za upgrade• Za upgrade na CUCM 12 potrebno je 25 GB
• Smanjite količinu log file-ova(LogPartitionLowWaterMarkExceeded na 30%LogPartitionHighWaterMarkExceeded na 40%, obrisati ATS/ i RTS Database Aborted Transaction logs)
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Načini upgrade-a
• Standardan upgrade
• Upgrade pomoću PCD (Prime Collaboration Deployment)
• Podizanje LAB okruženja
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Priprema migracije
•Pregled sistema
•Preduslovi
•Project plan
Analiza i priprema
•DNS, NTP
•Hostname
•IP adrese
•AD...
Izolovano okruženje
•DRS
•Change freeze
Replikacija
• Pre upgrade procedura
• Brisanje SUBova
• Upgrade procedura
• Post upgrade procedura
Upgrade• OVA za CUCM12
• DRS
Nova instalacija CUCMv12
• Feature
• Device
• SystemTestiranje
• Pre migracije
• Prvo test
• Kontrolisano
Upgrade firmware
• 24x7 servisi
• RTMT
• CDR
• Priprema konfiguracija
• Revidiranje plana
Finalna priprema
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Migracija
Priprema telefona
Kritični servisi
Zamena servera
Restart uređaja
Provera sistema
InstalacijaSUBova
Testiranje
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Primer plana
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Smart licensing
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Smart licensing
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Popunite anketu, preuzmite poklon na pultu „Informacije” i učestvujteu izvlačenju nagrada na zatvaranju konferencije
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