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Storage12925850348121204316403514630740
AUTO-TIERING209258503481292673725105997047738781017108712191356
Technology350858503481052113204395576707348469621067
Information3631300019331104146209255364429473507573645
has10341300019370135186
become12461300019368129181245354415
a16871300019365
major177813000193108173208273319
commodity21231300019352117225334399468503547605
in27541300019334106
our28861300019366140186
daily30981300019369134168201258
lives.We3383130001933266124184235263393450
are38591300019365111171
producing40561300019370116179249323375409482548
massive463013000193109174225276310368428
amounts50841300019365174239313385429480
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data4971480019369133178242
daily.7661480019369133168201258276
At10631480019374118
UAEU12091480019383152212295
Students,15301480019361105179248309381425476501
Staff20511480019361105170212251
and23281480019365137206
faculty25601480019342104157231263308365
members295114800193109170279346407453504
take34811480019346111170230
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of43241480019366108
readily44581480019345105170239274307364
available48481480019365121183217250315382414475
IT5349148001933294
resources3631660019346106157222296342393454505
and8941660019365137206
services11261660019351112158217252304365416
to15681660019346111
send17051660019351112184253
and19841660019365137206
receive22161660019346106158219254312372
e-mails,26141660019361100209274308341392417
share30521660019351121185231291
documents33691660019369135187261370431503546597
and39931660019364136206
videos,4225166001935892161222288339364
and46091660019365137206
use48411660019375126186
many505416600193108173245301
other3631840019365110180241287
applications.With6761840019364134205237271323388432467532604655682813847892962
so16641840019351116
much180618400193109183235305
data21371840019369134178243
out24061840019366140184
there,26181840019345115176222282309
the29491840019345115176
need31511840019372133194263
for34401840019342105151
an36171840019365137
efficient37801840019361103142177229264325397440
and42471840019365137206
secure44801840019351111164238284344
solution48501840019351116149223267301367439
to53151840019346111
Data3632020019381146190255
Storage6442020019361105170216278345406
becomes10762020019368129181246354415466
extremely15682020019361123168213273382443475533
important.21272020019334143213278324370435507551581
With36323800193114149193263
the6522380019346116177
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of11892380019365107
storage1322238001935196161207269336397
devices17452380019369130188222274335386
available21572380019365121183217250315382414475
these26592380019345115176227288
days,29732380019370134191242267
the32622380019344114175
task34632380019346111162222
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choosing38452380019352122187253304338410477
the43482380019346116177
right4551238001934681147217261
option48392380019365136180214280352
can52172380019352117189
be54322380019368129
challenging.What3632560019352122187218251312384451486558624654784854919963
type13542560019346103174235
of16152560019366108
hard17492560019370134180248
drive20232560019369115150208268
is2317256001933586
best24292560019368129180224
to26812560019345111
use:28182560019374125186217
Serial30552560019360121167202267298
Attached33792560019374119163228280350411480
SCSI38852560019361131191222
(SAS4134256001933696169229
for43892560019342105151
Performance),45662560019363122168211275320430494567619680716743
Near53302560019385146210256
Line363274001935185158219
SAS6082740019360133192
(NL-SAS8272740019336121174212270342402
for12552740019342106151
Capacity)14322740019370134204269321356400458494
and19522740019365137206
solid-state21842740019351117149183252292343387452497557
disks27682740019369103154214264
(SSD3059274001933696157238
for33232740019342105151
Extra35002740019360120165210272
Performance)?37992740019363122167211274320429494566618679716766
There45872740019362133194239299
is4912274001933586
a50242740019365
number51152740019372146255322383429
of3632920019365107
factors4972920019342104156202267313364
to8872920019346111
consider10242920019352117189240274343404450
when15002920019395165226298
choosing18242920019353123188253304339411477
storage2328292001935195160206268335396
technology.27502920019346107159229301366399464531588606
These33722920019362133194245306
include37042920019334107159191265334395
capacity,41252920019352117187252304339383441460
random46052920019346108180249315423
access,50552920019364116168229280331356
performance,3633100019370131177221284330439504576628689716
cost,11003100019352116167212239
density13593100019370131203254288333390
and17753100019365137206
reliability.With20073100019346106138172237305339372406451508526656690735805
these28383100019346116177228289
requirements31533100019346106173247281327387495556628672723
in39023100019334106
mind,403431000193109143216285312
one43663100019366138199
type45913100019346103174235
of48523100019366108
storage4986310001935195161206269335396
that3633280019345114179224
is614328001933485
highly7263280019369104171240273330
recommended10823280019346106158223331440501573642703772
for18803280019342105151
storage2057328001935196161207269336397
management248032800193108173245310377437546607679722
efficiency32303280019361103142176228263324396448506
is3762328001933586
Automated38743280019373148192257366431475536605
Storage45053280019361105170216278345406
Tiering.4932328001936297158203238310377407
As3633640019374125
the5143640019346116177
name7173640019372137245306
suggests,10493640019351125192259320371415466491
AUTOMATED15613640019373153213292398471524583664
STORAGE22513640019361118198264337418478
TIERING2750364001936292155221254341423
(AST)31993640019336110170228264
can34893640019353117189
simply3705364001935185194264296353
be40843640019368129
described42393640019370131182234280315384445514
as47793640019365116
the49213640019346116177
storage5124364001935195160206268335396
of3633820019365107
the4973820019345115176
right699382001934681148218261
data9883820019369133178242
on12573820019365137
the14203820019346116177
right1623382001934681148218261
device19113820019369130188223275336
at22733820019365109
the24103820019345115176
right2612382001934681148218261
time2901382001934580188249
to31763820019346112
meet331438200193108169230275
space,36163820019351121186238299326
performance39633820019370131177220284329439503576628689
and46783820019364137206
cost49103820019352116167212
requirements.3634000019346106173247281327387495556628672723750
Thus,11304000019362132206257283
data14334000019369134178243
moves170240000193109174231291342
from2070400001934289153261
one23574000019366138199
level2582400001933293151211243
to28514000019346111
another29884000019365137203247317378424
based34384000019368133184245314
on37784000019365137
the39414000019346116177
frquency4144400001934289154228289361413471
of46414000019365107
use47744000019374125186
of49864000019366108
data.51204000019369134178243270
The3634360019362133194
adoption5834360019364134199269314348413485
of10954360019365107
AST12284360019374134192
at14464360019364109
UAEU15824360019383152212295
has19044360019370134185
helped21154360019370131163233294364
the25054360019346116176
university27084360019374146180238298344395429474531
to32664360019345111
optimize34034360019365135180214323357411471
the39004360019346115176
utilization41034360019374118152185220273337381416481553
of46824360019366108
the48164360019346116177
storage5019436001935195161206269335396
systems3634540019351108159203264373424
by8134540019368125
reducing9654540019345105174248301335407474
the14654540019346116177
Total16644540019362116161225257
Cost19474540019370134185229
of22044540019365107
Ownership23374540019385180252313359410480514584
(TCO)2948454001933698162243280
and32544540019365137206
increasing34864540019334107159205265330381415487554
performance.40664540019370131177221284330439504576628689717
How48044540019384149244
is5074454001933485
this51864540019345115150201
done?3634720019369135207268318
The7034720019362133194
storage923472001935195160206268335396
administrator13454720019365134242277349383434479524587631696742
assigns21134720019365116167201268340391
a25304720019365
policy26214720019370136168202254312
that29594720019346116180225
automatically32114720019365139183248357422466500553617649682739
relocates39774720019345105137203255320364425476
data44794720019369134178243
based47484720019368133184245314
on50884720019365138
the52524720019346116176
frequency363490001934288148215289350422474532
of9214900019366108
use.10554900019374125186214
In12904900019331103
other14204900019365110179240286
words,17324900019395160206274325350
infrequently21294900019334106148194254321395456528572604661
used28164900019375126186256
data30984900019369134178243
is3367490001933485
initially34784900019335107141186220285316349407
assigned39114900019365116167201268340401470
to44074900019346111
slower,4544490001935183149244304350369
less-expensive4934490001933293144195234295357427488560363508001935185144204
NL-SAS5935080019385138175234306366
disks.9855080019369104155215265292
However,12995080019383149244304362422468487
as18075080019364115
and19485080019365137206
when21815080019395165226298
its2505508001933479130
usage26615080019374125189256317
frequency3004508001934288148215289350422475532
increases35625080019335107159205265330381442493
it4081508001933479
is4187508001933586
automatically42995080019364138183248356421466500552617648681739
moved506450800193109174231291360
to54515080019345111
higher-performing3635260019370104171241302348384454515560604668713823857929996
SAS13855260019360133193
or16045260019365111
extra-performing17415260019361123167213275315385446492536599645754788860927
solid-state26945260019351117149183252292343387452496557
drives32785260019369114149208267318
(SSDs)3623526001933696157238289324
and39735260019365137206
vice4205526001935893145206
versa.44375260019358118164215279307
By43595643016357105
Mohammed44865643016389143201255346436487545
Makadmeh50535643016388142192244302392443501
17502805901954196
|6248059019533
December6838059019580142193254362430491538
201512478059019558131172227
UITS40808092019582114175236
Newsletter43428092019584145241291323385430475537583