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Re: [enterprise] Maskiner med 128 GB RAM - erfaringer



Finn Dorph-Petersen wrote:

I vores san vil producenten helst ikke havde mere end 15 diske i et raid5, så pt. har vi 4 raids bestående af 3x15 og 1x8 diske med en spare disk i hvert raid. Risikoen ved at lave dem større på raid5 er sandsynligeheden for dobbel disk fejl (og det har jeg prøvet et par gange på nogle ældre raids, bugger) dvs. at imens en disk er fejlet og er ved at blivet gendannet på spare disken så fejler der endnu en disk, det kan raid5 ikke håndtere men det kan raid6 da det blot er raid5 med en ekstra parites disk.

Lige en rettelse. De bruger kun 7 diske i et raid5 i vores san både for FC og SATA diske. Vi har apple raids med 1TB SATA diske i og de køre også kun med 7 diske i raid5 (og ingen spare, suk).

Så det udstyr jeg har finger i peger på omkring 7 diske i radi5 hvis det er 1TB diske.

Andre efaringer / anbefalinger ?

Mvh Finn


 
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