In message: <[EMAIL PROTECTED]>
"Khaled Hussain" <[EMAIL PROTECTED]> writes:
: Why does everyone talk about dump+restore as a pair? I thought it was
: possible just to dump a filesystem to a different hard disk i.e.
: dump -0a -f /dev/ad2 /
because that will create a dump file on ad2, not a filesystem that can
be read by the kernel.
: Also, how can I find out which /boot/boot# file a freebsd system is using by
: default?
I don't understand that question.
Warner
: Kind Regards
:
: Khaled
:
: > -----Original Message-----
: > From: [EMAIL PROTECTED]
: > [mailto:[EMAIL PROTECTED] Behalf Of M. Warner Losh
: > Sent: 29 March 2006 05:04
: > To: [EMAIL PROTECTED]
: > Cc: freebsd-hackers@freebsd.org
: > Subject: Re: cloning a FreeBSD HDD
: >
: >
: > In message: <[EMAIL PROTECTED]>
: > Patrick Tracanelli <[EMAIL PROTECTED]> writes:
: > :
: > : >> I heard its faster if you use two dd's; i.e:
: > : >>
: > : >> # dd if=/dev/ad0 bs=64k | dd of=/dev/ad1 bs=64k
: > : >>
: > : >> allowing read and write to proceed in parallel.
: > : >
: > : >
: > : > that's what ddd and 'team' are for.
: > : > I don't know if ddd is in the ports as it may clash inname with teh
: > : > debugger ddd
: > : > They internally fork and use several processes synchronised
: > in some manner.
: > :
: > : Isn't dump+restore and a couple of fdisk+bsdlabel trick to copy the
: > : source partitioning a better choice to "clone" this HDD?
: >
: > Yes. That's what I *ALWAYS* do, because hard drives are never the
: > exact same size.
: >
: > fdisk -I makes the fdisk part easy. bsdlabel -R makes the disklabel
: > cloning relatively painless.
: >
: > dump + restore is slow but reliabe.
: >
: > Warner
: > _______________________________________________
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: > http://lists.freebsd.org/mailman/listinfo/freebsd-hackers
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: >
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:
:
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