NAS Recovery Course - NAS Partitions Test

What results in such a layout in a NAS?

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

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

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

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
Logical Volume Metadata
Linux Volume Manager

Old NASes, released about 2008, use only md

true
false

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

RAID0
JBOD
RAID5
RAID1

Which partitions store NAS firmware?

large
small

What NAS uses such a layout?

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

Do we need to recover a partition storing NAS firmware?

yes
no