Date: Thu, 5 Feb 1998 08:52:09 +1030 From: Greg Lehey <grog@lemis.com> To: Doug White <dwhite@resnet.uoregon.edu> Cc: Michael Haro <perl@netmug.org>, freebsd-questions@FreeBSD.ORG Subject: Re: ccd mirroring Message-ID: <19980205085209.55263@lemis.com> In-Reply-To: <Pine.BSF.3.96.980204123341.15689H-100000@gdi.uoregon.edu>; from Doug White on Wed, Feb 04, 1998 at 12:36:02PM -0800 References: <Pine.BSF.3.96.980203210930.12681A-100000@netmug.org> <Pine.BSF.3.96.980204123341.15689H-100000@gdi.uoregon.edu>
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On Wed, Feb 04, 1998 at 12:36:02PM -0800, Doug White wrote: > On Tue, 3 Feb 1998, Michael Haro wrote: > >> I was reading about ccd and how it can be used to mirror data kinda like >> RAID level 1. >> >> If one of the drives crash, how would I remedy the crash? >> The drives I currently have are different sizes, would this cause a >> problem when using ccd? > > Yes, it's not permitted. CCD must use homogenous disks. > > Recovering a mirrored disk involves bringing over a disklabel and fixing > some other bits. It's not a seamless recovery, but the data is still > there. I'm not familiar with the entire procedure but someone probably > figured it out at some point and posted about it :) I'm currently working on a replacement which will address all these problems and then some. Greg
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