<s>
Microrebooting	O
is	O
a	O
technique	O
used	O
to	O
recover	O
from	O
failures	O
in	O
crash-only	B-Operating_System
software	I-Operating_System
systems	O
.	O
</s>
<s>
Instead	O
of	O
rebooting	B-Operating_System
the	O
whole	O
system	O
,	O
only	O
subsets	O
of	O
fine-grain	O
components	O
are	O
restarted	O
.	O
</s>
<s>
The	O
granularity	O
of	O
components	O
is	O
typically	O
finer	O
than	O
the	O
process	O
level	O
(	O
e.g.	O
,	O
EJB-level	O
in	O
Java	B-Language
EE	I-Language
systems	O
)	O
.	O
</s>
<s>
It	O
was	O
initially	O
reduced	O
to	O
practice	O
in	O
systems	O
such	O
as	O
a	O
satellite	O
ground	O
station	O
control	O
system	O
and	O
a	O
Java	B-Language
EE	I-Language
application	B-Application
server	I-Application
;	O
later	O
on	O
it	O
formed	O
the	O
basis	O
of	O
the	O
design	O
of	O
commercial	O
systems	O
like	O
Aster	O
Data	O
Systems	O
nCluster	O
.	O
</s>
