̵Ǵ ϵũ ֳ??
2023-05 2023-05-24 16:00:39 ȸ 1610 õ 0
하드디스크에 따라서 레이드가 되는게 있고 안되는게 있다는데 맞나요?
레이드컨트롤러만 있으면 되는게 아닌가요?
̳?
̵尡 ȵǴ ϵ尡 ִٴ ñմϴ.
Ϲ ϴ SATA, SAS ϵ SMR̴ ϴ ̵ ü ǰ.
纰 å ؼ ȣȯ ɼ ¶ ȭƮƮ ȿ Ǵ°Ŵ, ̵尡 ƿ ȵǴ° ƴϰ.
USB ϵ , ϵ常 ؼ SATA ϸ ̵ ҰŰ.
̵ ȵǴ ϵ尡 翬 ְ...
Ϲ Ȳ ̵ ü ȵǴ ϵ ø ɰ ϴ.
ϵ
/߿ / OEM /øѹ üũ Ǿ մϴ..
̵ī嵵
/߿/OEM /øѹ / ý(̰͵ ڷᰡ ʿ) ۽׳ / üũ Ǿ մϴ..
ܱ Ͼ Ͽ 亯 ü ѵ ٷδ ذ մϴ..
Ǿ ǰ ڼ ڷᰡ ʰ ǰ ʿ 찡 ֽϴ..
̵ ī 翡 Ʈ ϰ ȣȯȴٴ ̴ϱ..
ϵ ϵԴϴ..
ϵ ǰ̰ κ ǥȭ Ǿ ֱ ظϸ ̵ ī ȣȯ ʴ ϵ ϰ
̵ ī ƿ ȵǴ ϵ ãⰡ ̴ϴ..
PC ϵ ϵ ü ٸϴ..
̵ ī嵵 Ͽ̳ OEM̳ ˴ϴ..
Ư δ 丮 ü(EMC /Ÿġ / HPE PAR3 /NetApp ) ̵ ڱ ´ ƴϸ ƿ մϴ..
¼ ȥ ü..
ǻ͵ ׳ ϱ ȣȯ Ʈ ,
HPǰ DELL ǰ ų ϸ Ҽ .
ؼ ũ ֽϴ
Ϻ 丮 ǰ HDD Ư ߿ ְų,
Ʋų, Ÿ Ұ 쵵 ֽϴ.
2. 512B/4Kn ũ: üũ Ʈ , üũ ˻縦 ʽϴ. bit flip մϴ.
3. Ÿ Ư ũ: ̽ ٸų, SCSI Command ƴ ٸ ɾ ְްų .. Ϲ RAID Ʈѷ Ұմϴ
Ϲ ϴ SATA, SAS ϵ SMR̴ ϴ ̵ ü ǰ.
纰 å ؼ ȣȯ ɼ ¶ ȭƮƮ ȿ Ǵ°Ŵ ̵尡 ƿ ȵǴ° ƴϰ.
USB ϵ , ϵ常 ؼ SATA ϸ ̵ ҰŰ.
̵ ȵǴ ϵ尡 翬 ְ...
Ϲ Ȳ ̵ ü ȵǴ ϵ ø ɰ ϴ.
ũ ϵ ʹ ݹ ʽϴ. ܵ Ǵ hdd ϸ ״ Ͱ սǵ˴ϴ. ݸ鿡 raid 5, raid 6 쿡 ϳ ũ о ϴ κ ϰ ٸ ũκ ϴ.
ܵ Ǵ ũ 쿡 retry ãڴ Ҳ ġ ũٴ ϴ ټ ִ ũ ٶϰ. raid 쿡 ũ ٸ ü Ƿ ȵǸ Ͻϰ ãڴ Ҳ ϴ Ư Դϴ. raid Ʈѷ ⸶ ٸ ð ֽϴ. ð ̳ ٰ ġ raid Ż ϴ.
ܵ Ǵ ϵũ - ټ ִ
raid Ǵ ϵũ - ϰ ϴ
̰ Ʈѷ ð ٸ ̶ ֽϴ.
raid Ǵ ϵũ 7, 8 ã ǥϰ Ͻϰ ãڴ մϴ. ܵ Ǵ hdd ξ ã õմϴ. Ʈѷ ߿ 10 ٷȴٰ ŻŰ ְ, 30 ٷ ִ ֽϴ.
ϵũ Ŀ hdd Ư ٸ θϴ.
Error Recovery Control (ERC) on Seagate drives ,
Time-Limited Error Recovery (TLER) on WD drives,
Command Completion Time Limit (CCTL) on Hitachi
ٲ ִ ũ ְ, Ѱ ũ ֽϴ.
̷ Ư ܿ raid UBER ߿ѵ.(Ư )
Ϲݿ SATA : 10^-14
SATA / near-line SAS : 10^-15
̰ raid ϴ ϴ.
Adaptec 7 series(7805, 71605, 78165, 72405 ) 4kn մϴ.
LSI SAS2208 ϴ raid card(9286, 9270, 9271 ) sas 2308 ϴ hba 4kn մϴ.
Ʈѷε ʴ´ٰ Ǿ ִ ְ( ) Ѵٰ Ǿ ִ (ϴ firmware ) ־ մϴ.
͵麸 Ʈѷ Ϻ DZ մϴ.
2208 ǵ ȵɰ̴ϴ. 뷮 ϵ嵵 ...
ũ ϴ³ѵ ° ½ϴ
Raid ؼ н ʿ ϴ.
ȭ߿ ̳Ŀ ٸ.
ȭ
߶ ... ̸ ³ Ʋ?? ϸ.
Ȯ Ǵ Դϴ.