EUC3158 VMware Zimbra: Better than Exchange Name, Title, Company.
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Transcript of EUC3158 VMware Zimbra: Better than Exchange Name, Title, Company.
![Page 1: EUC3158 VMware Zimbra: Better than Exchange Name, Title, Company.](https://reader035.fdocuments.in/reader035/viewer/2022062321/56649e165503460f94b01081/html5/thumbnails/1.jpg)
EUC3158
VMware Zimbra: Better than Exchange
Name, Title, Company
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Disclaimer
This session may contain product features that are currently under development.
This session/overview of the new technology represents no commitment from VMware to deliver these features in any generally available product.
Features are subject to change, and must not be included in contracts, purchase orders, or sales agreements of any kind.
Technical feasibility and market demand will affect final delivery.
Pricing and packaging for any new technologies or features discussed or presented have not been determined.
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Agenda
Overview of VMware Zimbra
Building ITaaS with vSphere
Zimbra Performance and Scalability
Zimbra User Experience
Key Takeaways
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Key Takeaway's
1. Plug and Play with todays cloud infrastructure of choice, VMware vSphere.
2. Designed for massive scalability and mailboxes without boundaries.
3. Policy driven administration and extensibility with 3rd Party Applications and APIs.
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Cloud
Journey to IT Transformation – Accelerate and Amplify
Infrastructure focus Application focus Business focus
Business Production IT as a Service
Virtualization
Low
Governance
High
Governance
Enterprise Hybrid Cloud
IT Production
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Building ITaaS with Zimbra
Virtualization
Operations
User Experience
Anywhere Access
Application
Cloud Scalability
Hardware
Independence
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Zimbra Web Client
Zimbra Desktop
SOAP
VMware Zimbra 7 Product Overview
Zimbra Server
Exchange
Server
Exchange
Server
LDAP, WebDAV
Active Directory
Active Directory
Standards ClientsApple Desktop
POP, IMAP, CardDAV, CalDAV
MS Outlook
MAPI
BES, Browser
BlackBerry
ActiveSync, Mobile Browser
iPhone
Android WindowsTablets
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Hardware Independence
Virtualization
Operations
User Experience
Anywhere Access
Application
Cloud Scalability
Hardware
Independence
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Flexible Storage Options
Disks• Fiber channel• SATA• SAS• SSD
Connectivity• iSCSI• NFS• Fiber Channel• Direct
Types• SAN• NAS• DAS• SOS*• VSA**
* Scale Out Storage, **Virtual Storage Appliance
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Flexible Storage Capabilities
No limitations on storage technology
No limitations on snapshot, replication, HA technology
No limitations on de-duplication or auto-tiering technology
Only recommendations for configuration and performance
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Zimbra + vSphere Solves IT Ops
Virtualization
Operations
User Experience
Anywhere Access
Application
Cloud Scalability
Hardware
Independence
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Integrated High Availability with vSphere
VMware HA, Application Monitoring API
• Monitors Critical Zimbra Services
• Sends heartbeat every 15 seconds
Protects all mail components
• MBS, MTA, LDAP, Proxy, Archive, +3rd Party
VMware ESX VMware ESX VMware ESXi
Resource Pool
Failed Server Operating ServerOperating Server
Critical Zimbra ServicesX
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High Availability Setup
Step 1: start heartbeat on Zimbra VM
/opt/zimbra/libexec/vmware-heartbeat start
Step 3: enable app monitoring in vSphere Client
/etc/init.d/zimbra_heartbeat
Step 2 : add heartbeat to startup scripts
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Integrated Business Continuity with vSphere
Choose your RPO
• ≥15 minutes – SRM with Host Based Replication
• < 15 minutes – SRM with 3rd party HW/SW replication
Protects all mail components
• MBS, MTA, LDAP, Proxy, Archive, +3rd Party
Test failover without production interruption
VMware vSphere
Site RecoveryManager
Site A (Primary)
Site B (Recovery)
Servers
Z MTA
Z MBS
Z Proxy
Z LDAP
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Fine to Coarse Grain Backups with vSphere
Item Level
• End user, Self service recovery
• Admin enabled/disabled
Mailbox Level
• D2D based built into Zimbra
• No 3rd party agents or software required
• Use 3rd party to vault to external media
VM Level
• Snapshot backups using VMware Data Recovery
• 3rd party HW/SW solutions using vStorage APIs
• Crash consistency built into Zimbra
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Zimbra Application Architecture
Virtualization
Operations
User Experience
Anywhere Access
Application
Cloud Scalability
Hardware
Independence
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3Rd PartyStorage System
Zimbra Primary DBIndexZimbra Journaling
Mailbox Server (MBS) Architecture – Cloud Scale
Zimbra Collaboration Server
Message and File Store API Meta DataSearchDatabaseReliability
Zimbra Secondary
HSM
Written in Java for high transactional throughput• Multiplex within single process, avoid process swapping and IPC
• Low CPU utilization at scale
Efficient storage architecture to support Large (>30GB) mailboxes
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Zimbra with NetApp NFS on vSphere
10K user workload• 90 percent SOAP users, 10 percent IMAP users
• 21 receive/hour, 7 send/hour (per user)
• 120KB average message size
• 25% messages with 500KB attachment
• 100% Concurrency
Primary Secondary Journal Index DB
Capacity 10-20% 80-90% Primary ÷ 15 Primary × 35%
5MB per mbx
IOPS/user 0.03 0.01 0.02 0.06(w/ attachments)
0.04
IO Pattern Write/Read Read/Write Write Write/Read Read/Write
Workload Requirements• 60-70% write IO for MBS
• 1700 IOPS total for MBS
• 200 IOPS total for MTA server
Detailed MBS Storage Profile
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Scale Out on vSphere 5
*Dell R910, 4 socket x 8 core x 2.27 GHz Xeon X7350 (Nehalem-EX), 256 GB
Result
• 21% host CPU utilization @ 32K users.
• Hypothesis: can double users per VM from 4K – 8K
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4K – 8K Performance Comparison
Number of vCPUs
Memory size (GB)
Number of Users
Sendmail latency (ms)
CPU utilization
(usr/sys/wait)
4 32 4,000 112.5 18.8/3.4/9.1
8 64 8,000 119.0 17.7/3.2/9.4
4 32 8,000 167.3 38.6/6.6/20.8
Result
• Same compute resource footprint, double the users
• Well within performance tolerance levels
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Virtual vs. Native Performance Comparison
Number of CPUs Number of Users Virtual/Native Sendmail latency (ms)
CPU utilization(usr/sys/wait)
4 4,000 Virtual 112.5 18.8/3.4/9.1
4 4,000 Native 112 17.5/3.8/11
8 8,000 Virtual 119 17.7/3.2/9.4
8 8,000 Native 115 20.3/3.4/9.7
Number of vCPUs Number of users RHEL version % of Native Sendmail latency (ms)
8 8,000 RHEL 5 82% 139
8 8,000 RHEL 6 97% 119
Result
• 97% of Native performance!!
Guest OS improvements
• Dynamic hugepages allocated to applications (vs. fixed)
• Tickless timer with on demand interrupts (vs. periodic query)
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Zimbra vs. Exchange: Compute Resources
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Admin and User Experience
Virtualization
Operations
User Experience
Anywhere Access
Application
Cloud Scalability
Hardware
Independence
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Simple Provisioning on VMware vSphere
NEW* Multi-instance Appliance
Install to Inbox in minutes
No OS installation or administration
Demo
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Web Administration
ITaaS model
• Web Administration – multi-platform multi-browser
• Secure by design – application logging and monitoring
• Class of service – manage services and configuration
• Delegated Administrative model
• Multi-tenant / multi-domain by design
External LDAP / AD integration
• GAL per domain
• SSO authentication ( SPNEGO/Kerberos, SAML, Oauth) per domain
Compliance
• Zimbra Archiving and Discovery
• Legal Hold and Cross Mailbox Search
• Single Instance Storage Archive or Separate Server/Storage
Demo
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Web Client Experience
Multi-platform / Multi-browser / Multi-Device
• Location and device independent
• AJAX / HTML5 (lead with the browser)
• Zimlets
Large Mailboxes
• Search
• Backend architecture (metadata and blob store separation)
• >30GB mailboxes
Demo
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Key Takeaway's
1. Plug and Play with todays cloud infrastructure of choice, VMware vSphere.
2. Designed for massive scalability and mailboxes without boundaries.
3. Policy driven administration and extensibility with 3rd Party Applications and APIs.
![Page 28: EUC3158 VMware Zimbra: Better than Exchange Name, Title, Company.](https://reader035.fdocuments.in/reader035/viewer/2022062321/56649e165503460f94b01081/html5/thumbnails/28.jpg)
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Q&A