@@ Line 1: / Line 1: @@
-This page shows my crib notes created into to obtain the VCP5 certification.  I've been using the technology for a while now, and I've only bothered to document the gaps in my own knowledge, so it is by no means concise and unlikely to cover much that would also apply to previous certs.  VMware's What's New course covers the following...
+This page shows my crib notes created into to obtain the VCP5 certification.  I've been using the technology for a while now, and I've only bothered to document the gaps in my own knowledge, so it is by no means concise and unlikely to cover much that would also apply to previous certs.  Having taken the exam, its as rigorous as ever, you need to understand the fundamentals and older features (that were also applicable in [[VCP3]] and [[VCP4]] as much as the new features).
+VMware's What's New course covers the following...
 * List and describe key enhancements in vSphere 5.0
 * Upgrade a deployment from vSphere 4.x to vSphere 5.0
@@ Line 19: / Line 21: @@
 '''vCentre Server Components'''
+* Web Client (Server)
 * Update Manager - requires 32-bit DSN db
 * ESXi Dump Collector - requires IPv4
@@ Line 62: / Line 65: @@
 == Plan and Perform Upgrades of vCenter Server and VMware ESXi ==
 '''ESX'''
-* ESX's can be upgraded via (ESX will retain MS-DOS based partitioning)
+* ESX's can be upgraded from any ESX v4, via (ESX will retain MS-DOS based partitioning)
 ** Update Manager
 ** ISO installer
@@ Line 74: / Line 77: @@
 * v3 -> v5 Upgrade...
 ** Requires exclusive access to datastore
+*** No VM downtime required, but will retain MBR and block format
 ** Original block size is retained
+'''vCenter Appliance'''
+# Import new Appliance
+# Open browsers to both old and new appliances
+# Set old vCentre as source, and new appliance as destination
+# Exchange appliance keys
+# Once completed, old appliance is shutdown
 == Secure vCenter Server and ESXi ==
-{|cellpadding="4" cellspacing="0" border="1"
+{|class="vwikitable"
-|- style="background-color:#bbddff;"
+|-
 ! Role                  !! Type   !! ESX / VC !! Description
 |-
@@ Line 101: / Line 112: @@
 '''vCentre Access'''
-* Disabled logged in users use access as next validation period (default is 24hrs)
+* Disabled logged in users lose access as next validation period (default is 24hrs)
 '''ESXi Firewall'''
@@ Line 117: / Line 128: @@
 == Identify vSphere Architecture and Solutions ==
 '''vSphere Editions'''
-{|cellpadding="4" cellspacing="0" border="1"
+{|class="vwikitable"
-|- style="background-color:#bbddff;"
+|-
 ! Edition         !! vRAM  !! vCPU/VM !! Features
 |-
@@ Line 133: / Line 144: @@
 | Desktop         || n/a   || ??     || VDI only
 |}
+'''Public Clouds'''
+* Service Offerings
+** Basic - Pilot projects etc, pay-for-use
+** Commited - Reserved allocation (subscription for resources)
+** Dedicated - Dedicated hardware, aka ''virtual private cloud''
+'''Private Cloud'''
+* Workloads
+** Transient - temporary, suitable for pay as you go allocation pool model
+** High Elastic - dynamic (customer led), suitable for allocation pool model
+** Infrastructure - core services such as AD, print, email, etc, suitable for reservation pool model
+* Service Tiers
+** Premium - infrastructure and high perf workloads
+** Standard - highly elastic workloads
+** Development
 = Plan and Configure vSphere Networking =
@@ Line 140: / Line 167: @@
 == Configure vNetwork Distributed Switches ==
 * vDS - vNetwork Distributed Switch (dvSwitch)
+'''Load Balancing'''
+* Route based on originating virtual port
+* Route based on IP hash - Must be used if using EtherChannel
+* Route based on source MAC hash
+* Route based on physical NIC load - Must used for I/O Control
+* Use explicit failover order
 == Configure vSS and vDS Policies ==
@@ Line 147: / Line 181: @@
 = Plan and Configure vSphere Storage =
 == Configure Shared Storage for vSphere ==
+* Max no of storage paths per ESX - 1024
+** Max no of VMFS per ESX - 256
+* Max no of software FCoE adapters - 4
+'''iSCSI Adapters'''
+* Software Adapter - ESX software implementation using VMkernel
+* Dependant Hardware Adapter - Standard NIC with iSCSI offload functionality, reliant on ESX's networking
+* Independent Hardware Adapter - Full iSCSI card, not reliant on ESX networking
+Boot from software iSCSI now supported.  If disabled, adapter re-enables for boot.
+'''Storage I/O Control'''
+Allows VM's to be set storage IO shares and IOPS limits that take effect when datastore latency becomes too great (30ms by default)
+* Requirements
+** Datastores must be managed by single VC
+** Fibre Channel, iSCSI, or NFS storage (RDMs bot supported)
+** Single extents
+** SAN's with automated storage tiering must be certified compatible with Storage I/O
 == Configure the Storage Virtual Appliance for vSphere ==
 Allows 2 or 3 ESX's local storage to pooled together into a virtual datastore
@@ Line 162: / Line 217: @@
 == Create and Configure VMFS and NFS Datastores ==
+'''VMFS5'''
+* Supports > 2TB per extent, max 64 TB datastore size
+* Supports max 64TB RDM
+* Max VMDK size is 2TB less 512B
+* 1 MB block size
+* Uses hardware assisted ATS (Atomic Test and Set) locking where available
+** Instead of SCSI reservations, locks disk sector rather than whole disk
+'''VMFS3 -> VMFS5 Upgrade'''
+* VM downtime not required
+'''Storage DRS - sDRS'''
+* 32 datastores per cluster
+'''Datastore removal'''
+* Removes from all ESX
+* Deletes any contents on DS (destroys the VMFS)
 = Deploy and Administer Virtual Machines and vApps =
 == Create and Deploy Virtual Machines ==
+VM hardware version in now v8, but may be v7 if
+* VM migrated from ESX v4
+* Use a virtual disk created on ESX v4 in a VM
 == Create and Deploy vApps ==
 == Manage Virtual Machine Clones and Templates ==
 == Administer Virtual Machines and vApps ==
+'''Memory Overhead''' - Amount of determined by
+* No of vCPU's
+* Configured memory
+'''SplitRx'''
+* Allows multiple ESX CPU's to process incoming network traffic for a VM
+* Requires VMXNET3 adapter
+* Enabled in VMX/Config Parameters
+** <code>ethernetX.emuRxMode</code> set to <code>1</code> (eg use <code>ethernet1</code> for NIC 1
+'''VMX Swap''' - VM Executable swap
+* Allows part of the VM memory overhead to swapped to disk (saves 10 - 50 MB ESX RAM per machine)
+'''vMotion'''
+* vCentre tries to reserve resources on source and dest ESX's, shared by concurrent vMotions
+* Migrations always proceed (> ESX 4.0, otherwise not if resources cannot be reserved)
 = Establish and Maintain Service Levels =
 == Create and Configure VMware Clusters ==
+'''High Availability'''
+Now uses Fault Domain Manager (FDM) agent rather than AAM
+* 1 master host, remaining ESX's are all slaves
+* Uses both network and datastore heartbeating as a fallback should network isolation occur
+* Reliant on vCentre for reconfiguration (only)
+* Communication by IP (not DNS!)
+* Logs to standard syslog
+In the case of network problems an ESX will be either of;
+* Isolated ESX - No mgmt network connectivity to any other ESXs in cluster
+* Partitioned ESX - Lost connectivity to master, but can see other ESX's
+** One ESX in partition will be elected as master
+'''EVC'''
+* All ESX CPU's must be from single vendor
+* AMD-V / VT and NX / XD must be enabled in BIOS
+* All ESX's must be ESX v3.5U2 or later
+* All ESX's must be enabled for vMotion
+* All VM's with feature set greater than EVC must be evac'ed/powered down from cluster (in practise, just power down all VM's!)
 == Plan and Implement VMware Fault Tolerance ==
+'''Unsupported'''
+* Snapshots
+** Therefore also Storage vMotion, VM backups, and Linked Clones
+* SMP - Only single vCPU supported
+* Physical RDM (virtual OK)
+* Thin disks (must be eager-zeroed/support cluster features)
+* NPIV
+* IP v6
+* NIC Passthrough
+* Hot-plug devices
+* Paravirtualised guests
+* CD-ROM attached ISO not on shared storage
+'''Limitations / Requirements'''
+* DRS EVC must be enabled
+** VM's can be hosted, but won't be automated by DRS in non-EVC cluster
+* Max 4 FT VMs per ESX
+** Override via <code>das.maxftvmsperhost</code>
+* Max 64 GB per VM
 == Create and Administer Resource Pools ==
 == Migrate Virtual Machines ==
@@ Line 186: / Line 318: @@
 == Monitor ESXi, vCenter Server and Virtual Machines ==
 == Create and Administer vCenter Server Alarms ==
+[[Category:VMware]]
+[[Category:VCP]]

Difference between revisions of "VCP5"

VCP5 (view source)

Revision as of 21:56, 16 June 2013

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