Storage Spaces

Question 1

What is the hierarchy for storage spaces?

Answer 1

Volumes
Storage Spaces (Virtual Disk)
Storage Pools (grouping of disks)
Physical Layer

Question 2

What are the resiliency options for storage pools?

Answer 2

Simple (RAID 0)
Mirror (RAID 1)
Parity (RAID 5)

Question 3

What are storage tiers?

Answer 3

Creating storage pool of mixed disk HDD and SSD

Monitors hot data and moves to fastest tier of HD

Question 4

What is wrtie-back cahce?

Answer 4

Uses fastest HD tier for small random read/write

Question 5

What is enclosure awareness?

Answer 5

Ensures data is mirrored across enclosures (minimum 3 JBODs)

Question 6

What is iSCSI?

Answer 6

Storage over IP

iSCSI Initiators connect to iSCSI Targets

Question 7

What is iSNS?

Answer 7

Discovery & configuration of iSCSI targets

Question 8

What is DCB (Data Center Bridging)

Answer 8

Controls network traffic types for converged networks

i.e SAN and LAN to coexist (QoS)

Question 9

What is MPIO?

Answer 9

Multiple network paths to storage for redundancy