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  • 23:00, 26 July 2022Create an mdadm RAID array (hist | edit) ‎[664 bytes]Digimer (talk | contribs) (Created page with "{{howto_header}} This coverts creating a software RAID array in EL8. This will combine <span class="code">/dev/nvme0n1p4</span> + <span class="code">/dev/nvme1n1p4</span> and <span class="code">/dev/nvme2n1p4</span> into a new <span class="code">/dev/md1</span> RAID 5 array. <syntaxhighlight lang="bash"> mdadm --create /dev/md1 --raid-devices=3 --level=5 --spare-devices=0 /dev/nvme[012]n1p4 </syntaxhighlight> <syntaxhighlight lang="bash"> </syntaxhighlight>...")
  • 00:36, 23 June 2022Build an M3 Anvil! Cluster (hist | edit) ‎[10,258 bytes]Digimer (talk | contribs) (Created page with "{{howto_header}} First off, what is an Anvil!? In short, it is a "self-maintaining 'cluster of clusters'". It's goal is to keep servers (virtual machines) running, without human intervention, even under multiple failure conditions. Think about ship-board computer systems, remote research facilities, factories without dedicated IT staff, un-staffed branch offices and so forth. In these cases, the Anvil! system will predict component failure and mitigate. It will...")
  • 02:29, 23 May 2022APC AP7900B (hist | edit) ‎[18,001 bytes]Digimer (talk | contribs) (Created page with "{{howto_header}} This assumes you are on EL8 (CentOS Stream 8 or RHEL 8) with the Alteeve M3 Repo enabled. More specifically, this assumes that you have the <span class="code">screen</span> installed. = Serial Connection = The APC-brand AP7900B switched PDU is an excellent backup fence device. They are often used in pairs, one of each power rail, to provide a method of cutting power to both power supplies on Anvil! sub-nodes. We run t...")
  • 05:21, 21 May 2022SMX1500RM2U (hist | edit) ‎[5,460 bytes]Digimer (talk | contribs) (Created page with "{{howto_header}} This assumes you are on EL8 (CentOS Stream 8 or RHEL 8) with the Alteeve M3 Repo enabled. More specifically, this assumes that you have the <span class="code">screen</span> installed. = Serial Connection = The SMX1500RM2UC includes the new AP9641 network card, which provides a serial connection using a micro-USB port. When connected to a machine (typically a Striker), the <span class="code">/dev/ttyACM0</span> device is created. Of cou...")