[OpenIndiana-discuss] How to replace failed rpool mirror disk?

[Andreas Wacknitz]

Am 17.01.21 um 17:56 schrieb Bob Friesenhahn:
> One of my root pool mirror disks (c5t1d0) on an Intel system failed 
> but it is currently booted using the other disk (c5t0d0).  This 
> happened to me many years before on the same system and I did 
> successfully replace the disk.
>
> It seems that the notes I left for myself are incorrect or 
> insufficient.  It seems that the OpenIndiana Wiki is still down so I 
> can not refer to the information there.  I don't trust that 
> documentation from modern Solaris applies, and it seems to assume 
> knowledge that I don't have.
>
> The only notes I left for myself is this:
>
> "
> To replace a failed mirror disk:
>
>   1. 'format -e' and use the 'fdisk' option for whole disk.
>
>   2. pfexec prtvtoc /dev/rdsk/c3t0d0s2 | pfexec fmthard -s - 
> /dev/rdsk/c3t1d0s2
>
>      where /dev/rdsk/c3t0d0s2 is good partitioned disk and 
> /dev/rdsk/c3t1d0s2
>      is new disk.
>
>   3. Use format to be sure that partition tables are ok.
> "
>
> When I enter the 'fdisk' program I am not sure of what to do.  At the 
> moment it says (without me doing anything, but I am unsure of the full 
> history of this disk):
>
> "
>              Total disk size is 60800 cylinders
>              Cylinder size is 32130 (512 byte) blocks
>
>                                                Cylinders
>       Partition   Status    Type          Start   End   Length %
>       =========   ======    ============  =====   ===   ====== ===
>           1       Active    Solaris2          1  60799    60799 100
>
>
>
>
> SELECT ONE OF THE FOLLOWING:
>    1. Create a partition
>    2. Specify the active partition
>    3. Delete a partition
>    4. Change between Solaris and Solaris2 Partition IDs
>    5. Edit/View extended partitions
>    6. Exit (update disk configuration and exit)
>    7. Cancel (exit without updating disk configuration)
> Enter Selection:
> "
>
> If I enter fdisk using the already formatted/in-use disk, it says
>
> "
>              Total disk size is 60800 cylinders
>              Cylinder size is 32130 (512 byte) blocks
>
>                                                Cylinders
>       Partition   Status    Type          Start   End   Length %
>       =========   ======    ============  =====   ===   ====== ===
>           1                 EFI               0  60800    60801 100
> "
>
> Can someone who is familiar with the steps appropriate for modern 
> OpenIndiana please share them with me, or refer me to useful 
> instructions on a site which is still up?
>
> Thanks,
>
> Bob
The wiki should be online again.