NAS Recovery Course - NAS Partitions Test

In a multi-disk NAS, how many disks are used to store NAS firmware?

always 2 disks
all physical disks in a NAS
N-1 of total of N disks

Old NASes, released about 2008, use only md

false
true

What NAS uses such a layout?

Synology (SHR - Synology Hybrid RAID)
QNAP circa 2008
NetGear (X-RAID2)

What scheme ensures redundancy in a NAS?

LVM
md-RAID

Modern NASes can mix different RAID levels in one array

true
false

LVM is short for

Logical Volume Management
Linux Volume Manager
Logical Volume Metadata

How many partitions are usually there in a NAS?

1 or 2
more than 3
2 or 3

What layout LVM uses to combine md arrays in a NAS?

RAID5
RAID1
RAID0
JBOD

What NAS uses such a layout?

any of these NASes
QNAP circa 2008
NetGear (X-RAID2)
Synology (SHR - Synology Hybrid RAID)

What results in such a layout in a NAS?

rolling upgrade (replacing disks with larger ones in turn)
hot swapping
rebuild associated with changing RAID type