The needs and access rights of objects and their users can affect the type of replica you choose.
If users need to make changes to shared information, they need a read/write replica. Changes made to read/write replicas get reflected in the original partition.
If users need only to read partition information, and not change it, a read-only replica is best. Read-only replicas have the added benefit of reducing WAN traffic by increasing overall network efficiency.
Read-only Replicas
Read/write
Replicas
Read-only Replicas
AAAAAA
WAN Link
WAN Link
Master Replicas
Master Replicas
Read-only Replicas
Read-only Replicas
Read/write
Replicas
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ffield
Smaller replicas synchronize quickly and take up less hard drive space on the destination server than large replicas.
Sometimes large replicas are needed because users on another server require access to a significant portion of the NDS information on the partition.
If only a small amount of information is needed from a large partition, divide the partition and replicate only the new partition containing the necessary information.ry information.ormation.n.
Master
Replicasaer
Replica
Part of
Replica Acaite
Replica
Server 4
oledo, OH .
San Diego, CA
Part of
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Replicaaa
Server 1
oadway St.
San Diego, CA
Server 3
oadway St.
San Diego, CA
Server 4
oledo, OH .
San Diego, CA
Server 1
oadway St.
San Diego, CA
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oledo, OH .
San Diego, CA
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oledo, OH .
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ffield
You have completed this lesson. To select another lesson, click Menu or Map.
To search for information on a specific topic, click Options, and then click Topic Search.
For more information on these topics, refer to NetWare v4.0 Supervising the Network .
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ffield
For example, when users are distant from a server or must use a WAN link to access particular information, place a replica containing the required information on a server for these users to access locally. This decreases access time and network traffic.
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ffield
You can also store a replica of one partition with a replica of another partition on the same server. Therefore, when you install more than one server into a container object, by default, you provide fault tolerance for your Directory tree.
Server 4
Boulder,COO DCC
Server 4
Boulder,COO DCC
Server 2
Toledo, OHO DCC
Server 2
Toledo, OHO DCC
Replica 3
Replica 1
Replica 2
Master
Server 3
San Diego, CACC
Server 3
San Diego, CACC
Server 1
Washington, DC
Server 1
Washington, DC
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A,A is incorrect. High speed links are not the best solution. Please try again.
B,B is incorrect. Combining R and D information onto one server decreases efficiency. Please try again.
Page 24 of 28
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Select A, B, or C. D. A, B, C or D and press done.
Answer
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Answer
ffield
Toyco's six divisions share the
R and D NDS database information more frequently than other data.
Which one of the following should Toyco do with this data in order to share it efficiently among the divisions??isions?
Replicate the R and D information for efficient access.
Combine the R and D information onto one server.
Install high speed links that accommodate R and D data exclusively.
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ffield
Note that you can keep the partitions and replicas created by default during NetWare v4.0 installation, or you can use the Partition Manager tool in the NetWare Administrator graphical utility or the menu utility PARTMGR to change the partitions and replicas after the tree is created.
d on your awareness of how default partitions, replications, and bindery emulations occur.
Partition Administration
Manage Partitions
Change Context
Allows you to change partitions and
replicas after the tree
is created.tedd. Add Replicas
Delete Replicas
Modify Replicas
popup
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The text utility used to create, delete, merge, and manage partitions and replicas.
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Correct. Ideally, the company must maintain its largest replicas on servers supported by high speed links located relatively close together. This strategy decreases network congestion.
False
Page 18 of 28
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ffield
A company plans to maintain its largest replicas on servers supported by high speed links located relatively close together. This strategy is unacceptable because it increases network congestion.
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ffield
If users need only to read partition information, and not change it, a read-only replica is best. Read-only replicas have the added benefit of reducing WAN traffic by increasing overall network efficiency.
Read-only Replicas
Read/write
Replicas
Read-only Replicas
AAAAAA
WAN Link
WAN Link
Master Replicas
Master Replicas
Read-only Replicas
Read-only Replicas
Read/write
Replicas
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False
Page 19 of 28
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ffield
A company's users in one division need only to read partition information. The company should provide this division with read/write replicas in order for them to change shared information and reduce WAN traffic...
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Page 5 of 28
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ffield
Installation of Default Replicas
The installation program also places a master replica of the partition on the first server that is installed in a container object.
When you install subsequent servers into the same container object, the installation program places a
read/write replica on those servers.
Organization
Organization
Organization
Organization
Server object
Server object
Server objects
Server objects
User objectct
User objectct
Master
replica placed here.
Read/write
replica
placed here.
Master
replica placed here.
Read/write
replica
placed here.
Organizational
Organizational
Organizational
Organizational
popup
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No definition for read/write replica
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stroke_h
terPage
LeavePage
EnterPage
whatRevAmI
EnterPage
vblueback
BlueBack
background
blueback
foreground
BlueBack
vComback
pback2
vComback
ComBack
ComBack
DoPage
pTest
pTest
set wr
to item 1 of it
set wr
_fb to item 2 of it
cor_Fb
pCor_Fb
exit_Fb
pExit_Fb
vScript
quesno
cor_fb
wr1_fb
wr2_fb
wr3_fb
exit_fb
revnum
LeavePage
HFInvert
a,b,c,d
whatRevAmI
ptemplate
:Rev 1.00
bookname
pScenario
pFeedbackPort
pTextPort
pTemplate
pCor_Fb
Correct. Hong Kong is closer to Tokyo than the other cities, but far enough away to provide for fault tolerance disaster planning.
pExit_Fb
B is correct. Hong Kong is closer to Tokyo than the other cities, but far enough away to provide for fault tolerance disaster planning.
pTest
A,A is incorrect. Detroit is farther away from Tokyo than other options. Please try again.
C,C is incorrect. Paris is farther away from Tokyo than other options. Please try again.
D,D is incorrect. Tokyo's replica must be placed at another site to increase fault tolerance for disaster planning. Please try again.
Page 23 of 28
estroy
destroy
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destroy
pFeedbackPort
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pText
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destroy
pFeedbackPort
gTextID
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ppBounds
300,4530,4710,6270
gTextID
group id 7 of page id 379
estroy
destroy
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adjustBounds
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pTextPort
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pText
fText
pText
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group id 28 of page id 379
ppBounds
315,1485,9330,6285
Answer
ButtonUp
ButtonUp
}bHideGoTo
LChPageHi
a,b,c,d
HFInvert
a,b,c,d
0,0,0
0,0,0
0,100,0
ptest
ptest
0,0,0
cor_fb
wr1_fb
wr2_fb
wr3_fb
exit_fb
quesno
result
stroke
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0,0,0
0,0,0
0,100,0
ptest
ptest
0,0,0
cor_fb
wr1_fb
wr2_fb
wr3_fb
exit_fb
quesno
result
stroke
fill_h
stroke_h
Answer
ffield
In order for Toyco to increase fault tolerance, which one of the following is the best city to hold a replica of Tokyo's partition?
Paris
Hong Kong
Detroit
Select A, B, C, or D..A, B, C or D and press done.
Tokyo
ppBounds
3337,3540,4552,3915
pscen
Scenario
ButtonUp
ButtonUp
LChPageHi
a,b,c,d
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0,0,0
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0,100,0
0,0,0
0,0,0
0,0,0
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cor_fb
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quesno
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EnterPage
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:Rev 1.00
bookname
whatRevAmI
ptemplate
:Rev 1.00
bookname
pTextPort
pTemplate
concept
Page 14 of 28
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300,3750,9290,6270
gTextID
group id 8 of page id 384
ffield
Speed
Ideally, you want to maintain your largest replicas on servers supported by high speed links located relatively close together.
A fast, short link is best for handling a heavy network traffic load while minimizing impact on WAN traffic.
.Go!2
Replicas
Replicas
Master Replicas
Master Replicas
Master Replicas
Master Replicas
Replicas
Replicas
PopUpBig
PopUp Big
ButtonUp
ButtonUp
LChPageHi
a,b,c,d
HFInvert
0,0,0
0,100,0
Hfinvert
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0,100,0
0,0,0
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0,0,0
0,0,0
cor_fb
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wr2_fb
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a,b,c,d
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0,0,0
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0,100,0
0,0,0
0,0,0
0,0,0
0,0,0
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stroke
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a,b,c,d
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0,0,0
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0,100,0
0,0,0
0,0,0
0,0,0
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quesno
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stroke
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pScenario
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pScenario
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ppBounds
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theLocation
buttonDown
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J&0&L&
EnterPage
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:Rev 1.00
bookname
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:Rev 1.00
bookname
pPopup
POPUP
pTextPort
pTemplate
concept
Page 4 of 28
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4665,1470,9285,6270
gTextID
group id 11 of page id 359
ffield
Installation of Default Partitions
The NetWare v4.0 server installation program creates default partitions of the Directory tree for you. Each new container object you create in which you install a server object is designated as a partition by the installation program.
The root object is included in the partition created with the first container object in which you install a server.
efault partitions are placed in a Directory tree. Each default partition has a server object installed in a new context.
container
object.
Organization
Organization
Organization
Organization
Server object
Server object
Server objects
Server objects
User objectct
User objectct
Included
partition.
Installed
server
object is
designated
partition.
container
object.
Included
partition.
Installed
server
object is
designated
partition.
Organizational
Organizational
Organizational
Organizational
popup
fpopup
$borderstype
rectangle
No definition for root objectoperating system software (or could be any device that offers services to the network i.e., print server, NCP server, and access server).ganize all the other objects in the Directory tree.
buttonup
buttonup
popup
pFeedbackPort
pTextPort
pTemplate
pCor_Fb
Correct. Create a new partition with the R and D data from the database, then replicate it.
pExit_Fb
A is correct. Create a new partition with the R and D data from the database, then replicate it.
pTest
B,B is incorrect. This procedure cannot be done. Please try again.
C,C is incorrect. This procedure cannot be done. Please try again.
D,D is incorrect. This procedure would not be efficient. Please try again.
Page 25 of 28
estroy
destroy
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pText
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gTextID
ppBounds
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gTextID
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pText
fText
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pFeedbackPort
gTextID
pText
fText
pText
fText
theText
adjustBounds
pNoAdjust
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ppBounds
300,4530,4710,6270
gTextID
group id 7 of page id 380
estroy
destroy
adjustBounds
pText
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gTextID
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gTextID
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pTextPort
gTextID
pText
fText
pText
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theText
adjustBounds
pNoAdjust
ppBounds
gTextID
group id 28 of page id 380
ppBounds
315,1485,9330,6285
Answer
ButtonUp
ButtonUp
}bHideGoTo
LChPageHi
a,b,c,d
HFInvert
a,b,c,d
0,0,0
0,0,0
0,100,0
ptest
ptest
0,0,0
cor_fb
wr1_fb
wr2_fb
wr3_fb
exit_fb
quesno
result
stroke
fill_h
stroke_h
0,0,0
0,0,0
0,100,0
ptest
ptest
0,0,0
cor_fb
wr1_fb
wr2_fb
wr3_fb
exit_fb
quesno
result
stroke
fill_h
stroke_h
Answer
ffield
Which one of the following procedures must Toyco use in order to efficiently distribute the R and D data?
Create a partition for the whole organization, then replicate the
R and D data.
Replicate only the R and D data from the database, then create a partition.
Create a new partition with the
R and D data, then replicate it.eplicate
Select A, B, C, or D..A, B, C or D and press done.
Replicate the database as a whole, then partition the R and D data.
title
ButtonUp
ButtonUp
LChPageHi
a,b,c,d
HFInvert
0,0,0
0,100,0
Hfinvert
.qffinvert
0,100,0
0,0,0
0,0,0
0,0,0
0,0,0
cor_fb
wr1_fb
wr2_fb
wr3_fb
exit_fb
quesno
result
stroke
fill_h
stroke_h
PLast
ButtonUp
ButtonUp
LChPageHi
a,b,c,d
HFInvert
0,0,0
0,100,0
Hfinvert
.qffinvert
0,100,0
0,0,0
0,0,0
0,0,0
0,0,0
cor_fb
wr1_fb
wr2_fb
wr3_fb
exit_fb
quesno
result
stroke
fill_h
stroke_h
ButtonUp
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LChPageHi
a,b,c,d
HFInvert
0,0,0
0,100,0
Hfinvert
.qffinvert
0,100,0
0,0,0
0,0,0
0,0,0
0,0,0
cor_fb
wr1_fb
wr2_fb
wr3_fb
exit_fb
quesno
result
stroke
fill_h
stroke_h
ButtonUp
ButtonUp
LChPageHi
a,b,c,d
HFInvert
0,0,0
0,100,0
Hfinvert
.qffinvert
0,100,0
0,0,0
0,0,0
0,0,0
0,0,0
cor_fb
wr1_fb
wr2_fb
wr3_fb
exit_fb
quesno
result
stroke
fill_h
stroke_h
terPage
LeavePage
EnterPage
whatRevAmI
EnterPage
vblueback
BlueBack
background
blueback
foreground
BlueBack
vComback
pback2
vComback
ComBack
ComBack
DoPage
pTest
pTest
set wr
to item 1 of it
set wr
_fb to item 2 of it
cor_Fb
pCor_Fb
exit_Fb
pExit_Fb
vScript
quesno
cor_fb
wr1_fb
wr2_fb
wr3_fb
exit_fb
revnum
LeavePage
HFInvert
a,b,c,d
whatRevAmI
ptemplate
:Rev 1.00
bookname
pScenario
pFeedbackPort
pTextPort
pTemplate
pCor_Fb
Correct. Tokyo shares its R and D information with Detroit.
pExit_Fb
A is correct. Tokyo shares its R and D information with Detroit.
pTest
B,B is incorrect. Tokyo does not regularly share R and D information with Paris. Please try again.
C,C is incorrect. Tokyo does not regularly share R and D information with Hong Kong. Please try again.
D,D is incorrect. Tokyo does not regularly share R and D information with Naples. Please try again.
Page 26 of 28
estroy
destroy
adjustBounds
pText
pText
gTextID
ppBounds
pFeedbackPort
destroy
pFeedbackPort
gTextID
pText
fText
pText
fText
theText
adjustBounds
pNoAdjust
ppBounds
ppBounds
pFeedbackPort
destroy
pFeedbackPort
gTextID
pText
fText
pText
fText
theText
adjustBounds
pNoAdjust
ppBounds
ppBounds
300,4530,4710,6270
gTextID
group id 7 of page id 381
estroy
destroy
adjustBounds
pText
pText
gTextID
ppBounds
pTextPort
destroy
pTextPort
gTextID
pText
fText
pText
fText
theText
adjustBounds
pNoAdjust
ppBounds
ppBounds
pTextPort
destroy
pTextPort
gTextID
pText
fText
pText
fText
theText
adjustBounds
pNoAdjust
ppBounds
gTextID
group id 28 of page id 381
ppBounds
315,1485,9330,6285
Answer
ButtonUp
ButtonUp
}bHideGoTo
LChPageHi
a,b,c,d
HFInvert
a,b,c,d
0,0,0
0,0,0
0,100,0
ptest
ptest
0,0,0
cor_fb
wr1_fb
wr2_fb
wr3_fb
exit_fb
quesno
result
stroke
fill_h
stroke_h
0,0,0
0,0,0
0,100,0
ptest
ptest
0,0,0
cor_fb
wr1_fb
wr2_fb
wr3_fb
exit_fb
quesno
result
stroke
fill_h
stroke_h
Answer
ffield
Once you have created a partition with Tokyo's R and D information, in which city should you replicate it?
Hong Kong
Paris
Detroit
Select A, B, C, or D..A, B, C or D and press done.
Naples
pscen
ppBounds
3337,3540,4552,3915
Scenario
ButtonUp
ButtonUp
LChPageHi
a,b,c,d
HFInvert
0,0,0
0,100,0
Hfinvert
.qffinvert
0,100,0
0,0,0
0,0,0
0,0,0
0,0,0
cor_fb
wr1_fb
wr2_fb
wr3_fb
exit_fb
quesno
result
stroke
fill_h
stroke_h
ButtonUp
ButtonUp
LChPageHi
a,b,c,d
HFInvert
0,0,0
0,100,0
Hfinvert
.qffinvert
0,100,0
0,0,0
0,0,0
0,0,0
0,0,0
cor_fb
wr1_fb
wr2_fb
wr3_fb
exit_fb
quesno
result
stroke
fill_h
stroke_h
ButtonUp
ButtonUp
LChPageHi
a,b,c,d
HFInvert
0,0,0
0,100,0
Hfinvert
.qffinvert
0,100,0
0,0,0
0,0,0
0,0,0
0,0,0
cor_fb
wr1_fb
wr2_fb
wr3_fb
exit_fb
quesno
result
stroke
fill_h
stroke_h
ButtonUp
ButtonUp
LChPageHi
a,b,c,d
HFInvert
0,0,0
0,100,0
Hfinvert
.qffinvert
0,100,0
0,0,0
0,0,0
0,0,0
0,0,0
cor_fb
wr1_fb
wr2_fb
wr3_fb
exit_fb
quesno
result
stroke
fill_h
stroke_h
_change
destroy
adjustBounds
scenarioButton_change
buttonUp
buttonDown
buttonStillDown
pEnabled
pEnabled
scenarioButton_change
theSelf
pScenario
ppBounds
destroy
pScenario
adjustBounds
pNoAdjust
ppBounds
buttonUp
ppEnabled
scenarioButton_change
theLocation
buttonDown
ppEnabled
theLocation
buttonStillDown
ppEnabled
theLocation
pEnabled
0,0,0
ppEnabled
theEnabled
pEnabled
ppEnabled
hatRevAmI
EnterBook
whatRevAmI
LeaveBook
whatRevAmI
:Lesson Book Rev 1.19
bookname
EnterBook
seconds
altkey
sizetopage
reader
setSysBooks
ppTotTry
ppBancont
ppLevel
ppPlace
PMark
SMark
TotNo
TMark
result
revnum
numrev
revdes
atmpt
component
normal
svEnterTime
svTotalIdle
svStartIdle
result
revnum
numrev
revdes
atmpt
component
level
bmarkfile
StartZ
coursefile
place
bookname
seqno
totno
bancont
tottry
LeaveBook
MMM dd y hh:min:sec AMPM
set vLastTime to p
time of book bmarkfile
set p
LastDate of book bmarkfile to vLastDate
set p
Time of book bmarkfile to vDiff
FromGoTo
vLastTime
vCommand
vLastDate
vDiff
vTotal
svEnterTime
svLeaveTime
svTotalIdle
bmarkfile
place
destroy
buttonUp
menuButton_change
buttonDown
buttonStillDown
adjustBounds
erted
within
pText
pInverted
pExcludeTab
nverted
pText
pInverted
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menuButton_change
theSelf
bButton
bButtonID
fField
fFieldID
fFieldID
bButtonID
fFieldID
ppBounds
pEnabled
fFieldID
set p
of this page to my uniquename
vBounds
vText
destroy
set p
of this page to null
buttonUp
ppEnabled
within
menuButton_change
theLocation
buttonDown
ppEnabled
pInverted
buttonStillDown
ppEnabled
within
pInverted
pInverted
theLocation
within
theObject
theLocation
pInverted
bButtonID
bButtonID
theInverted
pInverted
ppInverted
pText
fTextID
theText
pText
fTextID
pExcludeTab
bButtonID
bButtonID
theExcludeTab
pExcludeTab
bButtonID
adjustBounds
pNoAdjust
ppBounds
EnterPage
whatRevAmI
EnterPage
DoPage
whatRevAmI
ptemplate
:Rev 1.00
bookname
whatRevAmI
ptemplate
:Rev 1.00
bookname
pTextPort
pTemplate
concept
Page 7 of 28
estroy
destroy
adjustBounds
pText
pText
gTextID
ppBounds
pTextPort
destroy
pTextPort
gTextID
pText
fText
pText
fText
theText
adjustBounds
pNoAdjust
ppBounds
ppBounds
pTextPort
destroy
pTextPort
gTextID
pText
fText
pText
fText
theText
adjustBounds
pNoAdjust
ppBounds
ppBounds
4665,1470,9285,6270
gTextID
group id 11 of page id 362
ffield
Replica Distribution Planning
Replicas serve two purposes:
- To eliminate single points of failure
- To provide local access to information
for users who are physically distant
from the master replica (usually
across a Wide Area Network (WAN))
Consider each of these purposes when you create your network plan...whenever possible..
1. Eliminate single
points of failure.
2. Provide local
access to information.
nel: Right Half
terpage
leavePage
enterpage
menuButton_change
enterpage
ppTotNo
DoPage
0,100,0
0,0,0
INDEX
0,100,0
seqno
totno
component
StartZ
leavePage
INDEX
0,0,0
0,0,0
0,0,0
menuButton_change
pHotTopics
vPage
vTopic
vName
theSelf
0,0,0
INDEX
0,100,0
seqno
totno
component
StartZ
leavePage
INDEX
0,0,0
0,0,0
0,0,0
menuButton_change
pHotTopics
vPage
vTopic
vName
theSelf
X 4 ptopic8
group id 2536 of page id 304
h ptopic7
group id 2532 of page id 304
ptopic6
group id 2528 of page id 304
ptopic5
group id 2524 of page id 304
ptopic4
group id 2520 of page id 304
ptopic3
group id 2516 of page id 304
ptopic2
group id 2512 of page id 304
ptopic1
group id 2508 of page id 304
pColdTopics
Partitions,4
Replicas,5
Utility use,6
Purposes,7
Single points of failure,8
Disaster planning,8
Fault tolerance,9
File replication,10
Splitting and replication,11
Faster user access,11
Speed,14
Size,15
Replica type,16
pTextPort
pHotTopics
Overview,2
Objectives,3
Installation of Default Partitions,4
Installation of Default Replicas,5
Replica Distribution Planning,7
Planning Partitions and Replicas,13
Exercise 1 - Planning Partitions and Replicas,20
Summary,27
pptotno
pTemplate
Page 1 of 28s
!!!!!!
AAAAAA
AAAAAA
Index
estroy
destroy
adjustBounds
pText
pText
gTextID
ppBounds
pTextPort
destroy
pTextPort
gTextID
pText
fText
pText
fText
theText
adjustBounds
pNoAdjust
ppBounds
ppBounds
pTextPort
destroy
pTextPort
gTextID
pText
fText
pText
fText
theText
adjustBounds
pNoAdjust
ppBounds
@gTextID
group id 2019 of page id 304
8@ppBounds
3030,1425,9285,6232
ffield
Lesson Index
Click Next to begin this lesson or click an Index button to jump to the topic of your choice.ur choice..
topic1
dCXCpEnabled
CvCppBounds
3390,2805,6375,3120
CfFieldID
field id 2507 of page id 304
CbButtonID
button id 2506 of page id 304
bButton
fField
OverviewgyyzXx
topic2
DpEnabled
EppBounds
3390,3510,6375,3825
lEHEfFieldID
field id 2511 of page id 304
~EbButtonID
button id 2510 of page id 304
bButton
fField
Objectives
topic3
FpEnabled
FppBounds
3390,4110,6375,4635
FfFieldID
field id 2515 of page id 304
$GbButtonID
button id 2514 of page id 304
bButton
fField
Installation of Default Partitions
topic4
HjHfFieldID
field id 2519 of page id 304
HppEnabled
HppLines
HppLineHeight
HppOffset
IbButtonID
button id 2518 of page id 304
NIFIpLines
lI`IpEnabled
I|IfTextID
field id 64 of page id 154
IppBounds
3405,4800,6390,5325
bButton
fField
Installation of Default Replicas
topic5
JfFieldID
field id 2523 of page id 304
KppEnabled
KppLines
FK<KppLineHeight
bKXKppOffset
KtKbButtonID
button id 2522 of page id 304
KpLines
KpEnabled
KfTextID
field id 64 of page id 154
LppBounds
3390,5490,6375,6015
bButton
fField
Replica Distribution Planning
topic6
RM.MbButtonID
button id 2526 of page id 304
MdMfFieldID
field id 2527 of page id 304
MppBounds
6270,2715,9255,3240
MpEnabled
bButton
fField
Planning Partitions and Replicas
topic7
NfFieldID
field id 2531 of page id 304
6O*OppEnabled
NOFOppLines
nOdOppLineHeight
OppOffset
ObButtonID
button id 2530 of page id 304
OpLines
OpEnabled
PfTextID
field id 64 of page id 154
:PppBounds
6270,3420,9255,3945
bButton
fField
Exercise 1 - Planning Partitions and Replicas
topic8
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Planning the Elimination of Single Points of Failure
You can prevent single points of failure by storing replicas of partitions on different servers.
With the same information distributed on several servers, you are not dependent on any single server being active.
Placing replicas on distant servers also provides for disaster planning.
can also store a replica of one partition with a replica of another partition on the same server. Therefore, when you install more than one server into a container object, by default, you provide fault tolerance for your Directory tree.
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Server 4
Boulder,COO DCC
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Replica 3
Replica 1
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Master
Server 1
Washington, DC
Server 1
Washington, DC
Server 3
San Diego, CACC
Server 3
San Diego, CACC
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Because NDS does not include any information about the file system, replication of the NDS database does not provide fault tolerance for your file system.
To provide fault tolerance for your files, you must mirror or duplex your server hard disks and also enable the Transaction Tracking System (TTS).g System (TTS).ed.
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Planning to Provide Faster User Access to Information
After replicating your main partitions for fault tolerance, you have the ability to split partitions and replicate them.
Efficient and faster access to NDS database information is achieved when you place a replica of a remote partition on a local server.
Distributing replicas among the servers on a network lets you access information more quickly and reliably because the information comes from the nearest available server.
Toyco has divisions in Tokyo, Paris, Naples, Detroit, Hong Kong, and San Diego. Each division has a partition of the NDS database.
In the following exercise, you will determine the plan for partitions and replicas at Toyco.tes often share information:
- Tokyo and Detroit
- Paris and Hong Kong
- Naples and San Diego
In the following exercise you will determine the plan for partitions and replicas at Toyco.
EXERCISE
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Planning Partitions and Replicas
Your plan for partitions and replicas should provide users access to the NDS information they need as efficiently as possible.
For fast, efficient access to NDS information, consider the following design factors:
- Speed
- Size
- Replica typeee Replica Type- Replica Type- Replica Typepelica Type
Replica
Speed
Speed
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Correct. Your plan should first include considerations for fault tolerance.
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B is correct. Your plan should first include considerations for fault tolerance.
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A,A is incorrect. Speed is not the first thing you should consider when creating your plan. Please try again.
C,C is incorrect. Local user access is not the first thing you should consider when creating your plan. Please try again.
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Select A, B, or C. D. A, B, C or D and press done.
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Answer
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Which one of the following is the first consideration when creating your plan for partitions and replicas?
Local user access
Fault tolerance replication
WAN speed
rease
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The NetWare v4.0 server installation program creates default partitions and replicas for you.
Plan your network tree to include as few partitions and replicas as needed to help improve performance, but as many as are needed to provide the necessary level of fault tolerance.
To accomplish this, first replicate your main partitions for fault tolerance. Then, as needed, split partitions and replicate them for efficient access.
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Planning Partitions and Replicas
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ffield
Default partitions and replicas are created during NetWare v4.0 installation.
Partitions make the NetWare Directory Services (NDS) database more manageable by distributing the NDS database across the entire network.
Replicas can reduce fault tolerance by eliminating single points of failure and increase efficiency by providing faster access to database information.
Strategies for the most efficient use of partitions and replicas include the following design factors; speed, size, and replica type. type.ica type.
Page 2 of 28
and Replicas
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At the end of this lesson, you will be able to do the following:
- Describe the default partitions and replicas that are
created during installation.
- Describe the planning of replicas to eliminate single
points of failure.
- Describe the planning of replicas to provide faster
access to information.
- Given a scenario, identify the best plan for partitions
and replicas.....
Page 3 of 28
and Replicas
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group id 11 of page id 389
ffield
Exercise 1 - Planning Partitions and Replicas
Based on the products they produce, divisions often need to share research data. The following sites often share information:
- Tokyo and Detroit
- Paris and Hong Kong
- Naples and San Diego
To view this information during the exercise, click the scenario button.