kompiuteris periferiuli mowyobilobebi
kompiuteris periferiuli mowyobilobebi
kompiuteris periferiuli mowyobilobebi
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
neba. damproeqteblebs didi xania daebadaT azri,<br />
rom cudi ar iqneboda Setana-gamotanis mowyobilobebsac<br />
SeZlebodaT paraleluri muSaoba. swored am<br />
ideebma ganapiroba Setana-gamotanis <strong>mowyobilobebi</strong>s<br />
axali klasis gamoCena, romelsac RAID ewoda.<br />
Tavdapirvelad abreviatura RAID iSifreboda<br />
rogorc Redundant Array of Inexpective Disks (iafi diskebis<br />
Warbi masivi). Tumca SemdgomSi abreviaturis I simbolom<br />
Inexpective (iafi) nacvlad Independent (damoukidebeli)<br />
aRmniSvnelis daniSnuleba miiRo.<br />
RAID idea ZiriTadad SemdegSi mdgomareobs: <strong>kompiuteris</strong><br />
(Cveulebriv didi serveris) gverdiT yendeba<br />
diskebis masivi, diskebis kontrolerebis nacvlad<br />
RAID-kontroleri gamoiyeneba, monacemebi RAIDmasivSi<br />
kopirdeba da Semdeg Cveulebrivi diskuri<br />
operaciebi sruldeba.<br />
operaciuli sistema RAID-masivs rogorc SLED<br />
(Single Large Expensive Disk) _ erT ZviradRirebul didi<br />
moculobis disks ganixilavs. amave dros RAID-masivis<br />
warmadoba da saimedoba SLED-diskis analogiur<br />
maCveneblebs mniSvnelovnad aRemateba.<br />
RAID-<strong>mowyobilobebi</strong>s umetesoba SCSI-kontrolers<br />
Seicavs, romelic marTavs RAID-masivs da SCSIdiskebis<br />
boqss, romelsac operaciuli diski aRiqvams<br />
ise, rogorc erTi didi moculobis disks.<br />
SCSI-sistemis gamoyeneba Semdegi mosazrebebi-<br />
Taa ganpirobebuli:<br />
131<br />
• SCSI-diskebi maRali warmadobiT da arcTu ise ma-<br />
Rali fasiT gamoirCeva;<br />
• erT SCSI-kontrolers ramdenime diskis marTva SeuZlia<br />
(8-Tanriga SCSI-modelebs _ 7 diskis, xolo<br />
16-Tanriga SCSI-modelebs _ 15 diskis).<br />
amrigad, RAID-masivis gamoyenebisTvis saWiro<br />
ar aris raime cvlilebis Setana programul uzrunvelyofaSi,<br />
rac sistemuri administratorebisTvis<br />
sakmaod xelsayrelia.<br />
RAID-sistemebs ramdenime dadebiTi Tviseba gaaCnia:<br />
• programuli uzrunvelyofa RAID-masivs erTi didi<br />
moculobis diskis saxis aRiqvams;<br />
• RAID-masivis diskebze monacemebi iseTnairad nawildeba,<br />
rom SesaZlebeli iyos paraleluri operaciebis<br />
Sesruleba.<br />
amJamad ZiriTadad RAID-masivebis eqvsi done<br />
gamoiyeneba. termini `done~ tradiciulia, Tumca ar<br />
aris zusti, radgan doneebs Soris aranair ierarqiul<br />
struqturas ar aqvs adgili. ufro zusti iqneboda<br />
termini `saxeoba~, anu ubralod arsebobs RAIDdiskebis<br />
organizaciis eqvsi sxvadasxva varianti.<br />
0-vani donis RAID-masivi warmodgenilia nax.<br />
4.26 a-ze. igi virtualur disks warmoadgens, romelic<br />
zolebadaa (Strips) dayofili. TiToeuli zoli k<br />
seqtorisgan Sedgeba. 0-dan k-1-mde seqtorebi ikaveben<br />
zols 0, k-dan 2k-1-mde seqtorebi zols 1 da a.S. k=1-<br />
132
Change language