about unatteneded installation

Warren Block wblock at wonkity.com
Thu Feb 14 19:59:54 UTC 2013

On Thu, 14 Feb 2013, dteske at freebsd.org wrote:

>> -----Original Message-----
>> From: vrwmiller at gmail.com [mailto:vrwmiller at gmail.com] On Behalf Of Rick
>> Miller
>> Sent: Thursday, February 14, 2013 10:39 AM
>> To: Teske, Devin
>> Cc: FreeBSD Questions
>> Subject: Re: about unatteneded installation
>> On Thu, Feb 14, 2013 at 12:34 PM, Teske, Devin
>> <Devin.Teske at fisglobal.com> wrote:
>>> On Thu, 14 Feb 2013, Rick Miller wrote:
>>> No worries on time lapse. In fact, I had been needing to get back to you on
>> assuaging those 4 failed
>>> patch hunks on your sysinstall work.
>>> FreeBSD Druid (both 8.x and 9.x) use sysinstall for disk partitioning. What
> does
>> sysinstall use, you say?
>>> Glad you asked. sysinstall(8) uses a combination of:
>> I anticipated this.  I am under the impression one cannot force proper
>> slice alignment on 4K sector drives with sysinstall (see
>> http://ivoras.net/blog/tree/2011-01-01.freebsd-on-4k-sector-drives.html).
>>  Is it safe to assume that this also applies to 9.x when utilizing
>> sysinstall based installer?
> As previously mentioned, the FreeBSD Druid for FreeBSD 9.x contains gpart in the
> mfsroot.
> To make this work under sysinstall, you'd essentially tell sysinstall to use
> what's "already there" (and by "already there", I mean have a script pre-create
> the partition layout with gpart prior to installation).

Yes, but neither fdisk(8) nor gpart(8) can align slices to arbitrary 
(aligned) locations.  They will always be aligned to CHS values, 
equivalent to using -a63 in gpart.  gpart(8) can align FreeBSD 
partitions inside a slice, though.

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