Qhov kev tawm tsam twg yog hais txog disk mirroring?

Cov txheej txheem:

Qhov kev tawm tsam twg yog hais txog disk mirroring?
Qhov kev tawm tsam twg yog hais txog disk mirroring?
Anonim

Plag: RAID qib 1 hais txog disk mirroring nrog thaiv striping. … Piav qhia: Block-level striping stripes blocks hla ntau lub disks. Nws kho cov array ntawm disks raws li ib tug loj disk, thiab nws muab blocks logical tooj.

RAID Theem 3 yog dab tsi?

(Redundant Array of Independent Disks Mode 3) Ib lub disk lossis lub xeev tsav (SSD) subsystem uas ua rau kom muaj kev nyab xeeb los ntawm kev suav cov ntaub ntawv sib luag thiab ua kom nrawm los ntawm kev cuam tshuam cov ntaub ntawv hla ob lossis ntau lub tsav (striping). RAID 3 ua tiav cov ntaub ntawv hloov pauv siab tshaj plaws vim tias txhua qhov tsav ua haujlwm sib luag.

Yuav ua li cas RAID yog mirroring?

Mirroring yog lwm hom RAID - RAID-1rau cov neeg dawb huv. Mirroring muaj tsawg kawg yog 2 disk drives uas duplicate cov ntaub ntawv cia. Ntau zaus, koj yuav pom 2 lossis disk units ntawm txhua qhov array yog li cov ntaub ntawv sib npaug raug xa mus rau qhov thib ob ntawm disks.

Disk mirroring txhais li cas?

Nrog disk mirroring, cov ntaub ntawv tau sau rau ntawm ob qhov kev faib tawm ywj pheej ntawm tib lub tsav lossis ntawm ob lub zog sib cais hauv tib lub computer. RAID 1 yog cov txheej txheem ntau rau disk mirroring, thawj zaug ua tiav nrog SCSI drives tab sis tom qab nrog cov nqi qis dua ATA (IDE) drives.

Qhov RAID twg yog qhov zoo tshaj?

Qhov RAID zoo tshaj plaws rau kev ua haujlwm thiab rov ua dua

  • Qhov tsuas yog downside ntawm RAID 6 yog qhov ntxiv parity slows down performance.
  • RAID 60 zoo ib yam li RAID 50. …
  • RAID 60 arrays muab cov ntaub ntawv siab hloov ceev ib yam nkaus.
  • Rau qhov sib npaug ntawm kev rov ua dua, kev siv disk siv thiab kev ua haujlwm RAID 5 lossis RAID 50 yog cov kev xaiv zoo.

Pom zoo: