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Subject: Re: IBM blade server abysmal disk write performances
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Cc: Karim Fodil-Lemelin <fodillemlinkarim@gmail.com>,
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> With SATA vs SAS, the gap is much narrower.  The TCQ command set
> (still used by SAS) is still better than the NCQ command set, but the

in what point TCQ is exactly better than SATA NCQ.