Re: ZFS-only booting on FreeBSD

2011-02-19 Thread perryh
Robert Bonomi wrote: > A non-ZFS boot drive results in immediate, _guaranteed_, > down-time for replacement if/when it fails. Not if it is gmirrored and hot-pluggable. ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/list

Re: ZFS-only booting on FreeBSD

2011-02-19 Thread David Brodbeck
On Sat, Feb 19, 2011 at 1:52 PM, Daniel Staal wrote: > I see the advantage, and that it offers higher levels of resiliency and if > properly handled should cause no problems.  I just hate relying on humans to > remember things and follow directions.  That's what computers are for. > Repairing a fa

Re: ZFS-only booting on FreeBSD

2011-02-19 Thread Daniel Staal
--As of February 19, 2011 2:12:20 PM -0600, Robert Bonomi is alleged to have said: A non-ZFS boot drive results in immediate, _guaranteed_, down-time for replacement if/when it fails. A ZFS boot drive lets you replace the drive and *schedule* the down-time (for a 'test' re-boot, to make *sure*

Re: ZFS-only booting on FreeBSD

2011-02-19 Thread Matthew Seaman
On 19/02/2011 15:35, Daniel Staal wrote: > I'm still not clear on whether a ZFS-only system will boot with a failed > drive in the root ZFS pool. If it's a mirror, raidz or similar pool type with resilience, then yes, it certainly will boot with a failed drive. Been there, done that. Che

Re: ZFS-only booting on FreeBSD

2011-02-19 Thread Robert Bonomi
> Date: Sat, 19 Feb 2011 10:35:35 -0500 > From: Daniel Staal > Subject: Re: ZFS-only booting on FreeBSD > [[.. sneck ..]] > > Basically, if a ZFS boot drive fails, you are likely to get the following > scenario: > 1) 'What do I need to do to replace a disk in th

Re: ZFS-only booting on FreeBSD

2011-02-19 Thread Andy Tornquist
P0r c qpppqppqpqapprfpprkkqroikiujpou Q R F Rf On 2/18/11, Daniel Staal wrote: > > I've been reading over the ZFS-only-boot instructions linked here: > (and further linked from there) and have one > worry: > > Let's say I install a Fr

Re: ZFS-only booting on FreeBSD

2011-02-19 Thread krad
On 19 February 2011 15:35, Daniel Staal wrote: > --As of February 19, 2011 2:44:38 PM +, Matthew Seaman is alleged to > have said: > >> Umm... a sufficiently forgetful sysadmin can break *anything*.  This >> isn't really a fair test: forgetting to write the boot blocks onto a >> disk could sim

Re: ZFS-only booting on FreeBSD

2011-02-19 Thread Daniel Staal
--As of February 19, 2011 2:44:38 PM +, Matthew Seaman is alleged to have said: Umm... a sufficiently forgetful sysadmin can break *anything*. This isn't really a fair test: forgetting to write the boot blocks onto a disk could similarly render a UFS based system unbootable. That's why s

Re: ZFS-only booting on FreeBSD

2011-02-19 Thread Matthew Seaman
On 19/02/2011 13:18, Daniel Staal wrote: >> Why wouldn't it be? The configuration in the Wiki article sets aside a >> small freebsd-boot partition on each drive, and the instructions tell >> you to install boot blocks as part of that partitioning process. You >> would have to repeat those steps w

Re: ZFS-only booting on FreeBSD

2011-02-19 Thread Daniel Staal
--As of February 19, 2011 12:01:37 PM +, Matthew Seaman is alleged to have said: Let's say I install a FreeBSD system using a ZFS-only filesystem into a box with hotswapable hard drives, configured with some redundancy. Time passes, one of the drives fails, and it is replaced and rebuilt u

Re: ZFS-only booting on FreeBSD

2011-02-19 Thread Matthew Seaman
On 18/02/2011 15:59, Daniel Staal wrote: > > I've been reading over the ZFS-only-boot instructions linked here: > (and further linked from there) and have one > worry: > > Let's say I install a FreeBSD system using a ZFS-only filesystem into a > box with hotswapable

Re: ZFS-only booting on FreeBSD

2011-02-18 Thread Daniel Staal
Sorry for the dupe, I did send them about 8 hours apart... Daniel T. Staal --- This email copyright the author. Unless otherwise noted, you are expressly allowed to retransmit, quote, or otherwise use the contents for non-commercial p

ZFS-only booting on FreeBSD

2011-02-18 Thread Daniel Staal
I've been reading over the ZFS-only-boot instructions linked here: (and further linked from there) and have one worry: Let's say I install a FreeBSD system using a ZFS-only filesystem into a box with hotswapable hard drives, configured with some redundancy. Time pas

ZFS-only booting on FreeBSD

2011-02-18 Thread Daniel Staal
I've been reading over the ZFS-only-boot instructions linked here: (and further linked from there) and have one worry: Let's say I install a FreeBSD system using a ZFS-only filesystem into a box with hotswapable hard drives, configured with some redundancy. Time pas