Enterprise Storage Solutions Flashcards
3 types of storage
DAS (Direct Attached Storage)
NAS (Network Attached Storage)
SAN (Storage Area Network)
3 types of storage interfaces
iSCSI
FibreChannel
FibreChannel over Ethernet
What is
iSNS
DCB
MPIO
Internet Storage Name Service
Datacenter Bridging
Multipath I/O
protocolls for NAS
SMB (Server Message Block)
CIFS (Common Interface File System)
NFS (Network File System)
What is HBA ?
Host Bus Adapter
to enable communication via Ethernet or Fibre Channel
Fibre Channel Components
A SAN
A computer with an HBA Card (Initiator)
A Fibre Channel switch
Fibre Channel layouts
Arbitrated Loop (ring, no switches) Point-to-Point (direct Connection, no switches) Switched fabric
Components of iSCSI SAN
IP Network
iSCSI targets
iSCSI initiators
iSCSI qualified name (IQN)
Components of iSNS
iSNS Server
iSNS Client
iSNS Database
(iSNS protocol)
What protocols does iSNS Support ?
iSCSI
Fibre Channel
iSNS Functions
name Service
Discovery Domain and login control Service
state change notification Service
Mapping information to an iSNS database
Add iSNS Server via PS
Set-WmiInstance -Namespace root\wmi -Class WT_iSNSServer -Arguments
@{ServerName=”iSNS-server-name”}
view iSNS server Settings via PS
Get-WmiObject -Namespace root\wmi -Class WT_iSNSServer
delete an iSNS Server via PS
Get-WmiObject -Namespace root\wmi -Class WT_iSNSServer -Filter “ServerName =’iSNS
-server-name’” | Remove-WmiInstance
What protocolls does DCB support ?
Ethernet
Fibre Channel
InfiniBand
iSCSI