On 3/9/25 15:06, Lou Hafer wrote:

Gene is back again, as I finally have all the hdwe in one kit. Diabetes is slowing me down, as is the years, up to 90 now.  Took me too long, but I now have a 6 bay drive cage, with a bananapi-m5 on the bottom tray I've printed, another 2 trays with 2 ea 4T SPCC drives on those 2 trays, another tray with one more of these 4T drives in the bottom of tray 3, and a 250G toshiba lappy drive of spinning rust as the 6th, holding disk drive. Topped with a 5Vx20A PSU, and an 8 port usb-3.2 hub glued to the side of the cage, powered by that 20A supply, big PSU because the SPCC drives use 4 amps to write, burning up the 2amp hub supply.

I have just plugged it in and booted it to armbian nobel. dmesg reports only one drive having a partition, sde1, the rest are as shipped.

I want to set this up as an 8T raid using the 5th drive as the parity track, and the 250G toshiba as holding disk.  What tools do I install, and how do I configure it?

Or at 4 amps per drive writing , is that beyond my power budget?

Thanks for any guidance.

>Gene,

    Never actually done this, but it looks to me like you'd need to do the following (tailor to your specifics)

    vgchange --resizeable  <vgname>
    vgextend  < ... options ... > <vgname> <pvname> <pvname> ...

Or just blow away the volume group and recreate it

    vgcreate < ... options ... > <vgname> <pvname> <pvname> ...

No experience to comment on zfs vs. ext4.

            Lou
Thanks for any guidance.

Cheers, Gene Heskett, CET.

--
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author, 1940)
If we desire respect for the law, we must first make the law respectable.
 - Louis D. Brandeis


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