On Tue, Sep 30, 2008 at 8:13 PM, Ahmed Kamal < [EMAIL PROTECTED]> wrote:
> >> So, performance aside, does SAS have other benefits ? Data integrity ? How >> would a 8 raid1 sata compare vs another 8 smaller SAS disks in raidz(2) ? >> Like apples and pomegranates. Both should be able to saturate a GbE link. >> > > You're the expert, but isn't the 100M/s for streaming not random > read/write. For that, I suppose the disk drops to around 25M/s which is why > I was mentioning 4 sata disks. > > When I was asking for comparing the 2 raids, It's was aside from > performance, basically sata is obviously cheaper, it will saturate the gig > link, so performance yes too, so the question becomes which has better data > protection ( 8 sata raid1 or 8 sas raidz2) > SAS's main benefits are seek time and max IOPS. --Tim
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