From mboxrd@z Thu Jan 1 00:00:00 1970 From: Roberto Spadim Subject: Re: Mixing 512 bytes and 4K sector harddrives in a raid1? Date: Mon, 7 Feb 2011 13:07:39 -0200 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: In-Reply-To: Sender: linux-raid-owner@vger.kernel.org To: Henrik Olsson Cc: linux-raid@vger.kernel.org List-Id: linux-raid.ids speed problem =3D) (i tested eeheheh) i was talking about it in this list i don=B4t know yet what the internal raid1 sector size (i think it=B4s = the chuck size defined on mdadm --create, but i=B4m not sure) if you use 4k ssd you can see read/write when making <4kb read on ssd, if it's a hd no problem, ssd will degrade max ssd speed with wrong sector size (read/write not aligned) i'm waiting the chunck size answer if you want wait the list to answer.= =2E. 2011/2/7 Henrik Olsson : > Hi, > > One of the drives in my raid1 recently crashed and it looks like all > the replacement disks (2TB) i can find use 4K sectors, but the old > ones were 512 bytes. > Are there any issues with having a raid1 array with different sector > sizes for the drives? > > Regards, > Henrik > -- > To unsubscribe from this list: send the line "unsubscribe linux-raid"= in > the body of a message to majordomo@vger.kernel.org > More majordomo info at =A0http://vger.kernel.org/majordomo-info.html > --=20 Roberto Spadim Spadim Technology / SPAEmpresarial -- To unsubscribe from this list: send the line "unsubscribe linux-raid" i= n the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html