Re: Advice on upgrading to SSD
On 02.03.20 16:39, Dan Ritter wrote:
> Tony van der Hoff wrote:
>> Hi,
>> I'm currently running Buster on a 5 year old GigaByte motherboard with a
>> 10-year old Raid-1 array on 2 500GB disks. Although it is running fine, I'm
>> becoming a bit concerned about the longevity of this storage, so I'm
>> planning to upgrade it to a 500GB or maybe 1TB SSD from Crucial.
>>
>> My plan would be to install the SSD in the cage, and dd the contents of the
>> array onto the SSD. I would then change the BIOS to boot from the SSD,
>> making the RAID array redundant.
>>
>> Can someone please tell me whether this plan is feasible, and what pitfalls
>> I might encounter?
>>
>
> I would recommend:
>
> - install SSD
> - partition SSD, aligning partitions with new block sizes
> - create filesystems in SSD partitions
> - copy over filesystems with rsync
> - make changes to new /etc/fstab
> - make changes to bootloader to set new root filesystem
> - shut down machine
> - disconnect old disks
> - start machine, make BIOS changes if necessary
> - boot
> - test for functionality
>
> file-level copying is better than block-level copying when going
> between drives of different technologies.
>
> -dsr-
>
Why you do not simply prepare the SSD (partition/align) and after that
add the SSD as 3rd drive to the raid?
When all is synced you can kick off the HDD's or that them to "Write
mostly".
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