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hardware:incerta [2020/03/31 21:30]
djgalloway [Summary]
hardware:incerta [2022/07/27 17:18] (current)
djgalloway
Line 16: Line 16:
 ^ NVMe       | 4        | Intel         | ?                                 | 745.2GB ​  ​| ​                                                                                                | ^ NVMe       | 4        | Intel         | ?                                 | 745.2GB ​  ​| ​                                                                                                |
 ^ NIC        | 2 ports  | Intel         | I350                              | 1Gb       | On-board ​                                                                                       | ^ NIC        | 2 ports  | Intel         | I350                              | 1Gb       | On-board ​                                                                                       |
-^ NIC        | 2 ports  | Intel         | XL710                             | 40Gbps ​   |                                                                                                 ​|+^ NIC        | 2 ports  | Intel         | XL710                             | 40Gbps ​   | Cabled to mlx-sw01.ipmi.sepia.ceph.com ​                                                         ​| 
 + 
 +===== Donated Peripherals ===== 
 +=== ZNS Samples === 
 +Western Digital donated two of [[https://​www.cnet.com/​products/​hgst-ultrastar-sn200-husmr7616bdp301-solid-state-drive-1-6-tb-pci-express-3-0-x4-nvme/​|these]] in early 2020 for us to play with.  They are installed in incerta05 at ''/​dev/​nvme0n1''​ and ''/​dev/​nvme1n1''​. ​ I purchased some PCIe to U.2 adapters since we didn't have any systems that could accept U.2 drives natively. 
 + 
 +Racking ticket for those is https://​redhat.service-now.com/​surl.do?​n=TASK0837858 
 + 
 +=== ZNS Samples Round 2 === 
 +WDC sent two more in March 2021.  Replaced old ones with these. ​ Model ''​WZS4C8T2TDSP303''​. 
 + 
 +Racking ticket: https://​redhat.service-now.com/​surl.do?​n=RITM0861862 
 + 
 +I think maybe the old samples were crippled. ​ WD claims they were M.2 form factor but I bought U.2 PCIe adapters. 
 + 
 +===== Configuring the 40Gb NICs ===== 
 +The 40Gbps Infiniband switch the incerta are connected to does not have a DHCP server built in so the servers have to be configured manually. ​ I wrote an ansible playbook to quickly take care of this on CentOS machines and Ubuntu machines that are not using netplan. 
 + 
 +**Example**:​ 
 +<​code>​ 
 +cd $(mktemp -d) # optional 
 +git clone https://​github.com/​ceph/​ceph-cm-ansible 
 +git clone git@github.com:​ceph/​ceph-sepia-secrets 
 +cd ceph-cm-ansible 
 + 
 +# Change the ansible_ssh_user below as needed 
 +ansible-playbook -e '​{"​ansible_ssh_user":​ "​nhm"​}'​ -i ../​ceph-sepia-secrets/​ansible/​inventory tools/​incerta-nic.yml --limit incerta02* 
 +</​code>​
hardware/incerta.1585690226.txt.gz · Last modified: 2020/03/31 21:30 by djgalloway