Re: [PLUG] Creating array with mdadm

2021-01-24 Thread John Jason Jordan
On Sun, 24 Jan 2021 21:39:06 -0800 wes dijo: >> These are exactly the same errors that I got before. What did I do >> wrong? >I'm not convinced you did anything wrong. But it's hard to tell from >the info available to this point. If it were me, I would try >partitioning and formatting one or

Re: [PLUG] Creating array with mdadm

2021-01-24 Thread wes
On Sun, Jan 24, 2021 at 9:33 PM John Jason Jordan wrote: > > These are exactly the same errors that I got before. What did I do > wrong? > > I'm not convinced you did anything wrong. But it's hard to tell from the info available to this point. If it were me, I would try partitioning and

Re: [PLUG] Creating array with mdadm

2021-01-24 Thread John Jason Jordan
On Sun, 24 Jan 2021 19:26:12 -0800 Larry Brigman dijo: >There are tons of options for mdadm. >No, you should not put a format on the devices prior to adding them to >the array. >It is recommended that you partition the drives prior to adding them >to the array but you don't need to do that. >You

Re: [PLUG] Creating array with mdadm

2021-01-24 Thread Larry Brigman
There are tons of options for mdadm. No, you should not put a format on the devices prior to adding them to the array. It is recommended that you partition the drives prior to adding them to the array but you don't need to do that. You can just use the raw drive. On Sun, Jan 24, 2021 at 7:04 PM

Re: [PLUG] Creating array with mdadm

2021-01-24 Thread Rich Shepard
On Sun, 24 Jan 2021, John Jason Jordan wrote: Question: Should I have created a partition on each drive first, and then made the array out of the four partitions? If so, should each partition have been formatted before creating the array? John, I don't know about mdman, but what I learned

[PLUG] Creating array with mdadm

2021-01-24 Thread John Jason Jordan
I can't believe this information is not in the mdadm man page. Web sites that purport to make it easy to use mdadm just parrot the man page. I created an array on the four NVMe drives in my TB3 enclosure with the following command: sudo mdadm --create --verbose /dev/md0 --level=0