ͥåȥڥꥹ - SE̼η -

ͥåȥڥꥹȤλкȤǤͥåȥڥꥹȻι
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ƥꡧ13.ȥ졼Ȳ۲ > 13.2 SAN

Storageʥȥ졼ˤȤϡ֤ΤȤǤ롣ͥåȥڥꥹȻǤϡSANStorage Area Networkˤޤॹȥ졼٤ꤵƤ롣

SANȤϡּǥ֤伧ơ֤ʤɤΥȥ졼֡ˤ̾LANȤ̤ι®ѥͥåȥǹH18եȥȯѼԻ59ˡפǤ롣

NetworkȤդդƤ褦ˡ֥ͥåȥפؤΤǤäơ֥ϡɡפؤΤǤϤʤSANƳȤȡȥ졼ؤ᡼뤬SANΤΤդϡޤǤͥåȥǤ롣ӤȤʤդLANLocal Area Network

ʣʣФƱHDؤΥΥˡ㤨СФξĹʬʤɤΥˡˤ
ʣHDν沽ˤΨȤˡʣΥФǤ줾ǥꡢ층иΨ̤ȤƥȤⲼ롣

ˤꡢͥåȥ˥ǥĥˡо졣줬NASSANΥˡǤ롣ͥåȥǤȤΤݥȡDASˤľ³ǤäΤ򡢥ͥåȥˤ롣NASSANɤNetworkȤդäƤ롣

ʣ̤Υˡ
2

Ǥ⤳äơ
ФΥϡɥǥ
̤ˤФǤϡ
̤³ˤϰʲ롣
ФΥϡɥǥ̤ˤ롣
դΥǥ롣DASDirect Attached Storage
ϡSCSISmall Computer System Interface³濴

ʣˤޤˤϡRAIDȤǤ⡢̤ˤ³롣
ϡդФ̤뤬Ǥ³롣

ĤޤꡢSCSIˤ̤θ³SCSIǤ®٤٤äUltra320Ǥ320Mˡ
8ʤޤ16ˤ¡Ĺmޤǡ
ޤơפǤϡ­Ⱝ

ˤꡢեФȤäSAN褦ˤʤä
s3

NASSANΰ㤤ʲޤ

Ѥ륱֥ΰ㤤
NASNetwork Attached StorageˤLAN֥
SANStorage Area NetworkˤϸեС4Gbps8GbpsʤɡˤǡiSCSILAN֥

ץȥΰ㤤
NASžץȥNFSNetwork File System: UNIXϤΥե붦ͭλȤ)CIFSCommon Internet File SystemWindowsϤΥե붦ͭλȤ)Ǥ
SANFC-SANξFCץȥǡIP-SANξiSCSIFCIPiFCPǤ

եθ
NASϥե륵ФƱȹͤƤWindowsǤ֥ޥͥåȥ׾˸ޤ
SAN³줿ȥ졼ϳդUSB-HDD³֤ȹͤƲWindowsǤ֥ޥԥ塼׾˸ޤ

եñ̤ȥ֥åñ
NASϥեñ̡SAN³줿ȥ졼ϥ֥åñ̤ɤ߽񤭤ȤΤ򲿤ܤɤȤͤ¿Ǥ礦ȲäƤ뤫ʬʤ⤷ޤ󤲤ޤ1GΥեΰѹ硤NASǤ1GΥեȤѹޤSANǤѹʬΥ֥åΤߤѹ»ܤޤ
Ĥޤꡤ֥åñ̤ǽSANϹ®Ǥ
⤽SAN餹ȡեȤǰʤΤǡեñ̤˰ޤ󡣤ϷǤ⤢ꡤեñ̤Υ椬Ǥޤ

OS
NASWindowsLinuxOSǥե륵ФƱ褦ưȤ򥤥᡼Ʋ
SANȥ졼ȼOSܤƤޤɥ饤֤γƤʤɤNetAppʤɤξ֥饦١򤷤ޤ

SANäNASΤҤȤĤǤϡȻפʤǤ
ʤʤ顢SANˤäƳƼ凉ȥ졼³Ƥ⡢LANPC³ΤLANǤ롣

ϡ̤ǡSANNASǤ礬롣
㤨СNASNASإåɤSAN³¿LAN³ƤʬNASǡȥ졼³ƤʬSANǤ롣Фȥȥ졼SANľ뤵ơФȥȥ졼֤ǤξžǤСϴSANǤ

 iSCSIȤ
IPSCSIץȥưΤiSCSIǤ¸LAN֥롤åȤΤåȤǤ
󥿡եLANƱǤiSCSIѤΥݡȤȡLANݡȤ򤽤Τޤ޻Ȥ礬ޤLANݡȤȤϡiSCSIΥ˥ȤեȤɬפǤˡ
NASˤơžץȥCIFSiSCSIѹȡSANȸƤФޤ
iSCSIϤȤIP-SANоǡޤFCǹۤƤȥ졼ΥͥåȥLAN礹뤳ȤǤ褦ˤʤޤ
1

SAN®Ȥ᡼뤱ɡLAN֥Ȥʤ顤NASǤ⤤ΤǤϡ
虜虜iSCSIȤץȥäơLAN֥SAN򤹤ɬפϤΡ
䡤줬ץȥѤ̿®٤ʤ®Ǥɤ줯餤®Ǥġ

iSCSI˥
SANˤѤIF ʥ󥿡եˤɬפǤiSCSIƱͤǡiSCSIѤIFɬפˤʤޤץȥ뤬㤦ΤǡLANѤIFǤбǤޤ󡣤ȤϤäIPǽƤƱIFѤǤʤФޤåȤޤiSCSI˥Ȥϡ̾LANIFiSCSIѤǤ褦ˤ륽եȥʥǥХɥ饤СˤǤWindows VistaʹߤǤϡɸǼƤޤ
եȥǽΤǡ®٤ޤʤȤꥵФ٤ޤˡ
դȤƤϡեȥؤΤǤϤʤSCSI׵Ф̣뤳ȤŪΤ褦ǤSCSI׵Ф郎iSCSI˥ǡ뵡郎iSCSIåȤˤʤޤʿ22ǯ孶1ǤϡʲΤ褦˽Ҥ٤Ƥޤ
SANˤϡFC-SAN[a]롣[a]ɽŪʵѤiSCSI internet SCSIˤǤ롣ǶϡiSCSIץȥ뤬PCȥOS˼ƤΤǡiSCSIưפѤǤ褦ˤʤä iSCSI ϡΤǡ̿Ԥ[b]ץȥѤ롣iSCSIǤϡФDzƯ[c]ޥɤȯԤƽ׵᤹륤˥ȡȥ졼֤DzƯơν¹Ԥ[d]֤ǡ֥åǡϤ¸Ƥ롣ϡƯӤŻ뤷ơFC-SANѤ뤳Ȥˤ


a IP-SAN
b TCP
c SCSI
d å

iSCSIեɥ󥸥
iSCSI˥ΥǥåкȤƴԤǤΤiSCSIեɥ󥸥ǤiSCSIν򥵡ФǤϤʤNIC¦ǽޤС¦٤뤳ȤʤiSCSI˥Υեȥפˤʤޤ

ǶΥХڥåͤȡ̤iSCSIեɥ󥸥ʤפȤ뤳Ȥ¤Ǥ
iSCSIեɥ󥸥Ū¾ˤ⤢ޤSAN֡ȤΤ褦ˡiSCSIΥǥΥ֡Ȥǽˤʤޤ̾LANɤξ硤OSΥեȥǽʤФʤʤᡤOSưƤʤȲǤޤ 

H22ǯNW21ˤˤϡSANˤϡFC-SAN[aIP-SAN]פȽҤ٤Ƥ롣
FCϸ֥ȤäSANǡIP-SANIPȤäSANǤ롣IP-SANˤϡiSCSIFCIPiFCP3Ĥ

FCIPFibre Channel over IP
iFCPInternet Fibre Channel Protocol
ɤ⡢FCξTCP/IP̿Ԥ
FCIPϸեС֥αĹΥ᡼ǡ11̿iFCPϥ󥿡ͥåȤΤ褦˥ޥݥȤ³ǽ
ef6167f8.jpg
ǶǤϡFCoEȤΤ⼪ˤޤ
IP-SANǤ
ˡFCץȥ򥤡ͥåȤFCoEFC over EthernetˤƳĤĤ롣FCoEǤIPѤƤʤΤǡIP-SANǤϤʤFC-SANʬव롣

ͥåȥڥꥹȻ-SAN


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