Re: SCSI vs SATA

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От James Mansion
Тема Re: SCSI vs SATA
Дата
Msg-id HCEPKPMCAJLDGJIBCLGHAELOHGAA.james@mansionfamily.plus.com
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Ответ на Re: SCSI vs SATA  (Stefan Kaltenbrunner <stefan@kaltenbrunner.cc>)
Список pgsql-performance
>sure but for any serious usage one either wants to disable that
>cache(and rely on tagged command queuing or how that is called in SATAII
>world) or rely on the OS/raidcontroller implementing some sort of
>FUA/write barrier feature(which linux for example only does in pretty
>recent kernels)

Does anyone know which other hosts have write barrier implementations?
Solaris?  FreeBSD? Windows?

The buffers should help greatly in such a case, right?  Particularly if
you have quite a wide stripe.

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