ReclaiMe Data Recovery Training

Partition Recovery Course - md-raid Test

What is the difference between 1.x versions of md superblock?

superblock format
superblock location
superblock configuration

Superblock is always located before data

false
true

If you know that array member disks, say in RAID 5, are all of the same size, then

md superblocks are located at the same offset either in the beginning or in the end of the disks depending on superblock version
md superblocks are located at the same offset in the end of the disks
md superblocks are located at the same offset in the beginning of the disks
the disks will use the same partition layout

The main component of md metadata is

superblock
i-node
GPT or MBR table
header

In what devices md-raid is commonly used?

NASes
DASes
Windows Servers

When recovering md how you should sort superblocks?

by size
by relevance
by generation number

Superblock includes two significantly different parts; one describes a RAID and other – a specific disk

false
true

Superblock can be located after data

true
false

If one of the array disk has a damaged superblock how you can fix it?

copy a superblock along with all GPT table from a healthy disk
copy a superblock along with all GPT table from a healthy disk and edit a role for the disk with damaged superblock
just copy a superblock from a healthy disk

Check what can be designated as "md"

disks from a NAS
software RAID metadata
driver
NASes using Linux

Return to the list of lessons

We have a mailing list in which we talk about interesting cases we encounter and share some tips and tricks.