[OpenIndiana-discuss] problem replacing a disk by a bigger one

[Guenther Alka]

If you want to replace the bootdisk the easiest disaster recovery method 
is to zfs send the current BE to your datapool, then do a clean install 
of OI to a new disk, send the BE back, activate then boot into the old BE.

For a non boot disk (with rpool) do a zpool replace poolname olddisk 
newdisk.

With an ongoing sync of the BE via incremental zfs send you always have 
an up to date BE copy for recovery.


Gea

Am 26.06.2022 um 23:52 schrieb Judah Richardson:
> IIRC dd doesn't work reliably for ZFS.
>
> I tried (& failed, possibly due to a bad source disk) to do this
> previously, but I think you have to ZFS send all the datasets in the source
> disk to the destination & then possibly do some beadm stuff on the target
> disk.
>
> Or do a default installation on the new disk, then ZFS send the
> non-bootloader datasets from the old disk to the new.
>
>
> On Sun, Jun 26, 2022, 16:46 Marc Lobelle <marc.lobelle at uclouvain.be> wrote:
>
>> Hello
>>
>> In tried to replace the ssd of my notebook running openindiana (120G) by
>> a bigger one (1T).
>>
>> I first copied the small ssd on the big one: I connected the big disk on
>> a usb adapter, ran format to identify the two devices then
>>
>> dd if=/dev/rdsk/c6t0d0p0 of=/dev/rdsk/c4t0d0p0 bs=2048K
>>
>> then I replaced the small internal disk by the big one.
>>
>> However, when booting, I got the following message
>>
>>      ZFS:i/o error - all block copies unavailable
>>
>>      ZFS: Can't read MOS of pool rpool
>>
>>      Can't find /boot/loader
>>
>>      Can't find /boot/zfsloader
>>
>>      illumos/x86 boot
>>
>>      Default: /boot/loader
>>
>>      boot:
>>
>> if I type <enter>, I get
>>
>>      Can't find /boot/loader
>>
>>      illumos/x86 boot
>>
>>      Default: /boot/loader
>>
>>      boot:
>>
>> How can I fix this ? (without reinstalling everything if possible;-)
>> (after that I plan of course to grow the fs to the whole disk)
>>