RAID

Transcript

1. W2.਍৔୓ઁ RAID
2. RAID❓
3. Redundant Array of Inexpensive Disks
5. ৈ۞ ѐ੄ ٣झ௼ܳ ߓৌೞৈ ࣘب੄ ૐ؀, উ੿ࢿ੄ ૐ؀, ബਯࢿ, оਊࢿ ૐ؀ܳ ೞחؘ ॳ੉ח ӝࣿ RAID?
6. RAID - HW / SW য؅ఠ ஠٘, ݫੋ ࠁ٘ ࣘ ղ੢஝ ೞ٘ਝয੸ੋ ߑߨ ਍৔୓ઁ উীࢲ ز੘ ࣗ೐౟ਝয੸ੋ ߑߨ ೞ٘ਝয੸ ҳࢿী ࠺೧ ࢿמ ೱ࢚ ಩ উ੿ࢿ
7. RAID Level
8. RAID - Level RAID 0 $PODBUFOBUF 4USJQF 1) Concatenate ٣झ௼ী ؘ੉ఠܳ ࣽର੸ਵ۽ ॳח ߑߨ ੢੼ -٣झ௼ ӝࠄ ҕр੉ ࠗ઒ೡ ٸ ؘ੉ఠח ࠁઓೞݴ ৈ࠙੄ ٣झ௼ܳ ࠅܬী ನೣೞৈ ਊ۝ ૐࢸ੉ оמ ױ੼ -٣झ௼ ઺ ೞա੄ ٣झ௼ۄب ੢গо ߊࢤೞݶ ࠂҳо য۰਑ -ಁܻ౭ ૑ਗ X
9. 2) Stripe ٣झ௼ী ؘ੉ఠܳ ࣽର੸ਵ۽ ॳח ߑߨ ੢੼ -ؘ੉ఠ ࢎਊ द I/Oܳ ٣झ௼ ࣻ݅ఀ ࠙ೡ -> I/O ࣘب ೱ࢚ ױ੼ -Stripeܳ ҳࢿೡ द ӝઓ੄ ؘ੉ఠח ݽف ࢏ઁغযঠೣ -I/Oܳ ׸׼ೞח ੢஖о ߹ب ੢଱ -> ؊ ௾ I/O ࣘب ೱ࢚ RAID - Level
10. RAID - Level RAID 1 Disk Mirroring ٣झ௼ী э਷ ؘ੉ఠܳ ઺ࠂ ӝ۾ೞৈ ؘ੉ఠ ੷੢ ੢੼ -উ੹ೞҊ ੍ӝ ࢿמ੉ ױੌ ٘ۄ੉࠳ীࢲ੄ ࢿמҗ эѢա જ׮ ױ੼ -੹୓ ਊ۝੄ ੺߈ ߆ী ࢎਊೞ૑ ޅೣ -فѐ੄ زੌೠ ؘ੉ఠܳ ࢎਊೞ޲۽ ॳӝ ࢿמ੉ աࡅ૕ ࣻ ੓਺
11. RAID - Level RAID 2 ী۞୓௼ & ࣻ੿ -> Hamming Code
12. RAID - Level RAID 3 RAID 4 RAID 0,1 ޙઁ੼ ࠁ৮ TUSJQJOH
    ҳઑ ী۞
    ୓௼
    ߂
    ࣻ੿ਸ
    ਤ೧
    ಁܻ౭
    ੿ࠁ
    
    
    ߹ب੄
    ٣झ௼ী
    ੷੢
13. RAID - Level RAID 3 ؘ੉ఠܳ ߄੉౟ ױਤ۽ ա־য ٣झ௼ী ز١ೞѱ ࠙࢑ ӝ۾ RAID 4 ؘ੉ఠܳ ࠶۾ױਤ۽ ա־য ӝ۾ ✔
14. RAID - Level RAID 5 RAID 3,4 ޙઁ੼ ࠁ৮ 1ѐ੄ ೞ٘о Ҋ੢ա؊ۄب թ਷ ೞٜ٘۽ ؘ੉ఠ ࠂҳ O RAID 6 2ѐ੄ ೞ٘ী ޙઁо ࢤѹب ࠂҳೡ ࣻ ੓ب۾ ࢸ҅ ؘ੉ఠ੄ উ੹ࢿਸ Ҋ۰ೞח दझమী ࢎਊ
15. Why? Server ߔস ؘ੉ఠ ࣚप হח ਊ۝ ૐࢸ
16. Why? ೞ٘٣झ௼ оਊࢿ ૐо ࢲߡ ؘ੉ఠ੄ উ੹ࢿ ഛࠁ