SUMMARY: Moving system disk from dying to healthy drive

Hi,

Chris Hoogendyk provided me with a short howto
that covers the missing gap I didn't know about:
ufsdump and ufsrestore.  Very cool.  I figured
there had to be something missing in
my knowledge of how Solaris meets this need.

> # format
> partition target drive (hereinafter referred to as cxtxdx)
>
> # newfs /dev/rdsk/cxtxdxs0                <-- set up file system
> # mount /dev/dsk/cxtxdxs0 /mnt        <-- mount target partition
> # ufsdump 0f - /dev/rdsk/c0t0d0s0 | (cd /mnt && ufsrestore rf - )
> # umount /mnt
>
> repeat for each slice
>
> # installboot /usr/platform/`uname -i`/lib/fs/ufs/bootblk
> /dev/rdsk/cxtxdxs0
>
> ready to go
>
> ---------------------
>
> If you must do it live, and are paranoid about files not getting dumped
> properly while the system is live, and you are on Solaris 9, you can try
> using fssnap to do a snapshot and then ufsdump the snapshot. That gets a
> little complicated though, fssnap has issues with read only file systems
> and with realtime modules and code locking. The latter issue relates to
> xntp in our case. So, I have to stop xntp and mount one partition read
> write just for the backup. Anyway, that means I can do ufsdumps during
> the day if necessary and it works.
>
>
>
>
> ---------------
>
> Chris Hoogendyk
>
> -
>    O__  ---- Systems Administrator
>   c/ /'_ --- Biology & Geology Departments
>  (*) \(*) -- 140 Morrill Science Center
> ~~~~~~~~~~ - University of Massachusetts, Amherst
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