Date: Wed, 12 May 2010 14:00:05 +0200 From: Jon Theil Nielsen <jontheil@gmail.com> To: "A. Wright" <andrew@qemg.org> Cc: User Questions <freebsd-questions@freebsd.org>, Christopher Key <cjk32@cam.ac.uk> Subject: Re: More than 8 partitions Message-ID: <AANLkTinC13-ZMtjwxzMxxFhjtJk0CgbWmo8tfsmUyrkR@mail.gmail.com> In-Reply-To: <alpine.BSF.2.00.1005120807230.64303@qemg.org> References: <y2z8f82c35c1004301044pd7168618qa23eb66438350a5d@mail.gmail.com> <4BDC794B.2060009@cam.ac.uk> <q2s8f82c35c1005011910w1ad4792ehd90f38d3a8883519@mail.gmail.com> <4BDDBED0.7040504@cam.ac.uk> <AANLkTil9Xey43nDf130e_RRE3ZNsI1RQwrp-B9XPTqBr@mail.gmail.com> <alpine.BSF.2.00.1005120807230.64303@qemg.org>
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2010/5/12 A. Wright <andrew@qemg.org> > > > On 2010/5/2, Christopher Key <cjk32@cam.ac.uk> wrote: >> >> frhed. Next write the data back to the disk: >>> >>> dd if=/tmp/hdr of=/dev/da0s2 >>> >> > > On 2010/5/12, Jon Theil Nielsen wrote: > > obviously this is not the case. So I'll dd the existing partitions to >> another drive, use gpart to create "enough" partitions and then dd the old >> content back. I could easily use a standard disk layout, but the other >> approach will add some to my FreeBSD knowledge.. >> > > > Just pointing out a rabbit hole here . . . > > You should be aware, too that if you want to _change_ the size > (or any of several other params) of the filesystem, you don't > really want dd, you want to dump(8) the filesystem and then use > restore(8) -- as the man page says, this is the only reliable > way to change various filesystem params. > > Using dd will be fine only if the sizes and all other params are > to be identical (which is the case in Chris' comment, but not in > the general case). > > Andrew. > > Thanks again That was a very good point. I think I'll wait until tomorrow. But I'll get back here if I run into troubles. :-I Regards, Jon
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