ReclaiMe Data Recovery Training
Home
RAID
Partition
Filesystem
NAS
Tricks
Contact
About us
NAS Recovery Course - NAS Recovery Preparations Test
Check what information you can get if you know a NAS vendor and exact NAS model
possible filesystem types
hard drive sector size
disk order for RAID5 and RAID6
supported RAID levels
maximum number of disks
What helps you determine a sector size for disks partitioned with GPT?
EFI PART signature
EXT i-node
GPT database
main MBR
The information about a NAS coming from a client is often unreliable
yes, but it's better than nothing
no
yes
Check those S.M.A.R.T. attributes pointing to the bad condition of a disk
reallocated sectors count
offline uncorrectable sector count
G-sense error rate
start/stop count
current pending sector count
You need to check sector sizes for each disk form a NAS when
array type has been changed
disks of different models are used in a NAS
a client does not remember what sector sizes he/she set up when installing disks
Choose the advantage of disk clones compared to disk images
convenience in storage and archival
speed
reliability
Check based on what you can estimate the state of physical disks in a NAS
the S.M.A.R.T. attributes
the words of a client
sounds coming from the disks
Why they do not recommend storing several disk image files on the same disk when recovering data?
recovery will be too slow
the disk may degrade due to the frequent read requests
The sum of partition sizes should be close to the size of a physical disk with both MBR and GPT disks
false
true
When recovering a NAS, it is always better to create disk image files rather than disk clones
true
false
Next lesson - Partitions in NASes
Copyright © 2013 - 2018
www.ReclaiMe.com
We have a mailing list
in which we talk about interesting cases we encounter and share some tips and tricks.