Date: Tue, 12 Mar 2013 10:53:26 +0400 From: Lev Serebryakov <lev@FreeBSD.org> To: Jim Harris <jimharris@freebsd.org> Cc: Konstantin Belousov <kostikbel@gmail.com>, arch@freebsd.org Subject: Re: Unmapped buffers: to be merged in several days Message-ID: <913397478.20130312105326@serebryakov.spb.ru> In-Reply-To: <CAJP=Hc9V9HVpdevD3=Qgk812CYwbmc-Q4HgtPyupb7zTfmTB6g@mail.gmail.com> References: <20130311091852.GR3794@kib.kiev.ua> <86k3pe1cl3.fsf@ds4.des.no> <20130311182454.GX3794@kib.kiev.ua> <329178079.20130312010425@serebryakov.spb.ru> <20130311211158.GE3794@kib.kiev.ua> <CAJP=Hc9V9HVpdevD3=Qgk812CYwbmc-Q4HgtPyupb7zTfmTB6g@mail.gmail.com>
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Hello, Jim. You wrote 12 =D0=BC=D0=B0=D1=80=D1=82=D0=B0 2013 =D0=B3., 2:22:47: JH> Please note that XOR checksumming support only exists in the JH> E5-1600/2400/2600/4600 series (Sandy Bridge Xeon) and C5500/C3500 series JH> (Jasper Forest - based on Nehalem Xeon) processors. The SNB Xeon series And what about ICHxR/ICHxDO (where x =3D 7, 8, 9, 10) chipsets? They s= upport software RAID5 in Windows drivers, is it support pure-software? I understand, that it is not true-hardware RAID, but does they have XOR engine for unmapped buffers? --=20 // Black Lion AKA Lev Serebryakov <lev@FreeBSD.org>
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