<s>
Clonezilla	B-Language
is	O
a	O
suite	O
of	O
open	B-License
source	I-License
drive	B-Application
cloning	I-Application
,	O
drive	B-Application
imaging	I-Application
and	O
system	O
deployment	O
utilities	O
used	O
to	O
simplify	O
deployment	O
and	O
maintenance	O
of	O
a	O
group	O
of	O
computers	O
.	O
</s>
<s>
Clonezilla	B-Language
Server	O
Edition	O
uses	O
multicast	O
technologies	O
to	O
deploy	O
a	O
single	O
image	B-Application
file	O
to	O
a	O
group	O
of	O
computers	O
on	O
a	O
local	B-General_Concept
area	I-General_Concept
network	I-General_Concept
.	O
</s>
<s>
Clonezilla	B-Language
was	O
designed	O
by	O
Steven	O
Shiau	O
and	O
developed	O
by	O
the	O
NCHC	O
Free	B-Application
Software	I-Application
Labs	O
in	O
Taiwan	O
.	O
</s>
<s>
Clonezilla	B-Language
is	O
used	O
to	O
deploy	O
operating	B-General_Concept
systems	I-General_Concept
to	O
computers	O
by	O
imaging	O
a	O
single	O
computer	O
and	O
then	O
deploying	O
that	O
image	B-Application
to	O
one	O
or	O
more	O
systems	O
.	O
</s>
<s>
It	O
integrates	O
several	O
other	O
open-source	B-License
programs	O
to	O
provide	O
cloning	O
and	O
imaging	O
capabilities	O
.	O
</s>
<s>
Clonezilla	B-Language
works	O
by	O
copying	O
used	O
blocks	O
on	O
the	O
storage	O
device	O
(	O
i.e.	O
</s>
<s>
SATA	B-Device
SSD	I-Device
,	O
HDD	B-Device
or	O
NVMe	B-Application
SSD	I-Application
)	O
.	O
</s>
<s>
It	O
is	O
intended	O
to	O
support	O
a	O
bare-metal	B-General_Concept
deployment	O
of	O
an	O
operating	B-General_Concept
systems	I-General_Concept
by	O
booting	O
from	O
a	O
preinstalled	O
live	O
environment	O
.	O
</s>
<s>
It	O
uses	O
Partclone	B-Application
,	O
Ntfsclone	B-Language
and	O
Partimage	B-Application
to	O
image	B-Application
the	O
drive	O
either	O
over	O
the	O
network	O
or	O
to	O
a	O
locally-attached	O
hard	B-Device
disk	I-Device
drive	I-Device
.	O
</s>
<s>
There	O
are	O
two	O
variants	O
of	O
Clonezilla	B-Language
:	O
Clonezilla	B-Language
Live	O
is	O
intended	O
to	O
be	O
used	O
for	O
imaging	O
a	O
single	O
computer	O
,	O
while	O
Clonezilla	B-Language
Server	O
Edition	O
(	O
SE	O
)	O
is	O
intended	O
for	O
mass	O
deployment	O
over	O
a	O
computer	B-Architecture
network	I-Architecture
.	O
</s>
<s>
Clonezilla	B-Language
Live	O
can	O
image	B-Application
a	O
single	O
computer	O
's	O
storage	O
media	O
or	O
a	O
single	O
partition	O
on	O
the	O
media	O
to	O
an	O
image	B-Application
file	O
stored	O
on	O
a	O
SSH	B-Protocol
server	I-Protocol
,	O
Samba	B-Language
network	I-Language
share	I-Language
,	O
locally-attached	O
hard	B-Device
disk	I-Device
drive	I-Device
or	O
to	O
a	O
network	B-Protocol
filesystem	I-Protocol
file-share	O
.	O
</s>
<s>
Alternatively	O
,	O
Clonezilla	B-Language
Live	O
can	O
clone	O
the	O
data	O
on	O
one	O
storage	O
medium	O
to	O
another	O
without	O
the	O
need	O
to	O
create	O
an	O
image	B-Application
file	O
first	O
.	O
</s>
<s>
Image	B-Application
files	O
can	O
be	O
deployed	O
to	O
the	O
same	O
or	O
different	O
computers	O
as	O
required	O
.	O
</s>
<s>
Unlike	O
Acronis	B-Operating_System
Cyber	I-Operating_System
Protect	I-Operating_System
Home	I-Operating_System
Office	I-Operating_System
and	O
Norton	B-Application
Ghost	I-Application
,	O
Clonezilla	B-Language
lacks	O
an	O
agent	O
that	O
can	O
be	O
installed	O
into	O
the	O
operating	B-General_Concept
system	I-General_Concept
.	O
</s>
<s>
Instead	O
,	O
Clonezilla	B-Language
was	O
designed	O
under	O
the	O
assumption	O
that	O
the	O
disk	O
should	O
be	O
cloned	O
without	O
interfering	O
with	O
the	O
operating	B-General_Concept
system	I-General_Concept
.	O
</s>
<s>
Clonezilla	B-Language
Server	O
Edition	O
(	O
SE	O
)	O
can	O
clone	O
many	O
computers	O
at	O
the	O
same	O
time	O
using	O
multicast	O
technology	O
over	O
a	O
computer	B-Architecture
network	I-Architecture
.	O
</s>
<s>
Multicast	O
support	O
is	O
provided	O
by	O
UDPCast	B-Language
tool	O
.	O
</s>
<s>
Since	O
such	O
an	O
environment	O
is	O
difficult	O
to	O
configure	O
,	O
users	O
can	O
download	O
a	O
Live	O
disk	O
that	O
provides	O
the	O
operating	B-General_Concept
system	I-General_Concept
with	O
all	O
the	O
necessary	O
configurations	O
already	O
done	O
.	O
</s>
<s>
Images	O
are	O
uploaded	O
to	O
an	O
image	B-Application
repository	O
configured	O
by	O
the	O
user	O
,	O
which	O
may	O
be	O
a	O
local	O
directory	O
on	O
the	O
same	O
server	O
as	O
Clonezilla	B-Language
SE	O
or	O
a	O
remote	O
location	O
such	O
as	O
a	O
network-attached	B-Application
storage	I-Application
that	O
is	O
accessed	O
using	O
SSH	B-Protocol
or	O
Samba	B-Language
.	O
</s>
<s>
Clonezilla	B-Language
is	O
an	O
effective	O
tool	O
for	O
deploying	O
software	O
in	O
training	O
laboratories	O
.	O
</s>
<s>
Clonezilla	B-Language
can	O
sometimes	O
be	O
faster	O
than	O
proprietary	O
solutions	O
(	O
i.e.	O
</s>
<s>
Norton	B-Application
Ghost	I-Application
,	O
DriveImage	O
XML	O
,	O
Macrium	B-General_Concept
Reflect	I-General_Concept
,	O
and	O
Active	O
Disk	B-Application
Image	I-Application
)	O
for	O
both	O
full	O
image	B-Application
backup	I-Application
and	O
restoration	O
but	O
can	O
be	O
difficult	O
to	O
configure	O
.	O
</s>
<s>
Clonezilla	B-Language
lacks	O
incremental	O
and	O
differential	O
backup	O
support	O
(	O
which	O
may	O
make	O
deployment	O
slower	O
)	O
.	O
</s>
<s>
Clonezilla	B-Language
uses	O
information	O
from	O
the	O
filesystem	O
to	O
determine	O
which	O
blocks	O
on	O
a	O
drive	O
require	O
copying	O
.	O
</s>
<s>
Clonezilla	B-Language
supports	O
several	O
filesystems	O
including	O
:	O
Linux-based	O
filesystems	O
(	O
Ext2	B-Application
,	O
Ext3	B-Application
,	O
Ext4	B-Application
,	O
ReiserFS	B-Application
,	O
XFS	B-Application
,	O
JFS	B-Application
and	O
Btrfs	B-Operating_System
)	O
;	O
Windows	O
(	O
NTFS	B-Application
and	O
FAT	B-Application
)	O
;	O
LVM2	B-Application
and	O
some	O
hardware	O
RAID	B-Architecture
chip	O
sets	O
.	O
</s>
<s>
When	O
an	O
unsupported	O
filesystem	O
is	O
imaged	O
or	O
cloned	O
,	O
Clonezilla	B-Language
falls	O
back	O
to	O
copying	O
the	O
data	O
using	O
dd	B-Application
.	O
</s>
<s>
The	O
master	B-Device
boot	I-Device
record	I-Device
and	O
other	O
drive	O
metadata	O
is	O
copied	O
using	O
dd	B-Application
by	O
Clonezilla	B-Language
before	O
using	O
PartClone	B-Application
,	O
PartImage	B-Application
or	O
NtfsClone	B-Language
to	O
copy	O
the	O
appropriate	O
filesystem	O
.	O
</s>
<s>
Clonezilla	B-Language
images	O
can	O
be	O
split	O
into	O
smaller	O
files	O
and	O
compressed	O
to	O
save	O
space	O
on	O
the	O
destination	O
drive	O
.	O
</s>
<s>
Clonezilla	B-Language
can	O
be	O
booted	O
over	O
a	O
computer	B-Architecture
network	I-Architecture
using	O
PXE	B-Device
booting	I-Device
techniques	O
.	O
</s>
