VCP 8 memory items Flashcards
memorization objectives
A feature that minimizes VM downtime by proactively detecting hardware failures and placing the host in Quarantine Mode or Maintenance Mode
Proactive HA
vCenter Server Foundation Edition:
- Number of ESXi hosts
- vCenter license
- Basic features (Lifecycle Mgr, Converter)
- Common features (vMotion, HA, Replication)
- Advanced features (VCHA, VC Backup/Restore)
- 4
- Separate from vSphere license
- Basic included
- Common included
- Advanced NOT included
Number of CPUs required for levels of VCSA:
- Tiny
- Small
- Medium
- Large
- X-Large
- 2
- 4
- 8
- 16
- 24
Memory required for levels of VCSA:
- Tiny
- Small
- Medium
- Large
- X-Large
- 12
- 19
- 28
- 37
- 56
Hosts supported for levels of VCSA:
- Tiny
- Small
- Medium
- Large
- X-Large
- 10
- 100
- 400
- 1000
- 2000
VMs supported for levels of VCSA:
- Tiny
- Small
- Medium
- Large
- X-Large
- 100
- 1000
- 4000
- 10,000
- 35,000
Supported by VMFS 5 but NOT VMFS 6
Access for ESXi hosts Version 6.0 and earlier,
MBR storage device partitioning
Supported by VMFS 6 but NOT VMFS 5
4Kn storage devices
Automatic space reclamation
Default snapshot files for:
- VMFS 5
- VMFS 6
- VMFSsparse <2TB, SEsparse >2TB
- SEsparse
vSphere features supported by NFS 3 but NOT NFS 4.
- Storage DRS
- Storage I/O Control
Required Capacity for RAID configuration for 100GB of data:
RAID 1
PFTT 1
200
Required Capacity for RAID configuration for 100GB of data:
RAID 5 or 6
PFTT 1
133
Required Capacity for RAID configuration for 100GB of data:
RAID 1
PFTT 2
300
Required Capacity for RAID configuration for 100GB of data:
RAID 5 or 6
PFTT 2
150
Required Capacity for RAID configuration for 100GB of data:
RAID 1
PFTT 3
400
Storage Policies parameters
ten
PFTT
SFTT
data locality
failure tolerance method
number of disk strips per object
flash read cache reservation
force provisioning
object space reservation
disable obj check sum
IOPS limit for object
Disadvantages to IP hash NIC teaming
highest resource consumption
requires change on physical adapter
complex diagnostics path
6 Features common to VSS and vDS
- Layer 2 switch
- VLAN segmentation (802.1q tagging)
- IPv6 support
- NIC teaming
- Outbound traffic shaping
- Cisco Discovery protocol (CDP)
Features only on vDS
10
Inbound traffic shaping
VM network port block
Private VLANs
Load-based NIC teaming
Data center level mgmt
network vMotion
Per-port policy settings
Port state monitoring
NetFlow
Port Mirroring
3 vDS health checks available
- VLAN trunk ranges on vDS match trunk port config on the connected switch ports
- MTU settings on vDS physical network, and physical switch ports match
- virtual switch teaming policy matches the physical switch port-channel settings
vDS health check:
Matching the switch teaming policy and physical switch port-channel setting requires?
at least 2 active physical nics
+
2 hosts
Resource Pool use cases
5
Flexible hierarchical org
Resource isolation
Access Control and delegation
Separate resource from HW
Managing multi-tier applications
VM shares for CPU and memory for
- High
- Normal
- Low
settings
per vCPU / per MB
2000 / 20
1000 / 10
500 / 5
VM Monitoring Setting for
- High
- Medium
- Low
Failure Interval seconds / Reset Period
30 / 1 hour
60 / 24 hour
120 / 7 days