[ug-bosug] What is the /second_root slice? How do i get rid of it?

[Manish Chakravarty]

On Feb 8, 2008 1:59 PM, Moinak Ghosh <Moinak.Ghosh at sun.com> wrote:

> Manish Chakravarty wrote:
> >
> >
> > On Feb 8, 2008 1:09 PM, Moinak Ghosh <Moinak.Ghosh at sun.com
> > <mailto:Moinak.Ghosh at sun.com>> wrote:
> >
> >     Manish Chakravarty wrote:
> >     >
> >     >
> >     > On Feb 8, 2008 12:15 PM, Moinak Ghosh <Moinak.Ghosh at sun.com
> >     <mailto:Moinak.Ghosh at sun.com>
> >     > <mailto:Moinak.Ghosh at sun.com <mailto:Moinak.Ghosh at sun.com>>>
> wrote:
> >     >
> >     >     Moinak Ghosh wrote:
> >     >     > Manish Chakravarty wrote:
> >     >     >
> >     >     >> [...]
> >     >     >>
> >     >     >> Nope! I assumed the steps you had provided were
> >     non-destructive!
> >     >     >>
> >     >     >> I lost 3GB + of SVN checkouts and all other data!! :(
> >     >     >>
> >     >     >
> >     >     >    Hey, you are creating a new filesystem on your disk,
> >     you got
> >     >     to take
> >     >     >    backup.
> >     >     >
> >     >     >    You can still try to recover.  Try this:
> >     >     >
> >     >     >    zpool export export_home
> >     >     >    mkdir -p /export/home
> >     >     >
> >     >     >    mount -F ufs /dev/dsk/c2t0d0s4 /export/home
> >     >
> >     >
> >     > No I did not  have data on my second_root.
> >     >
> >     > I will try it!
> >       mount -F ufs /dev/dsk/c2t0d0s7 /export/home
> >
> >       Note correction: 's7' instead of 's4'
> >
> > It worked!
> > Moinak, thank you so much!
>
>   Now take a backup and repeat the zpool/zfs creation process.
>   After you have created the zpool create your home dir back
>   as I mentioned earlier and extract from your backup.

Yup. I just did it.  All my data is on zfs now

>
>
>   Using ZFS does speed up your disk access and builds.

Is there a noticeable speed increase even for laptops?

Secondly, would it be possible to put / on ZFS somehow?
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