Rack Mounted Devices
What is the name of the marking and grid labeling to ensure accuracy of rack placement?
perfect positioning
What does J.B.O.G stand for?
Just a Bunch of GPUs
What does WDID mean? What purpose does it serve?
Work Definition ID, it determines the set of triage instructions by host type identified by automation.
An Annapurna ticket short description shows the following:
'VETTING_ANNAPURNA_K2C_HOST_LINK', what are the troubleshooting steps?"
1. Re-seat & re-run the specific test the device failed
2. If test passes, resolve
3. If test do not resolve, replace & re-run test
What are the name of the tags to identify a rack-mounted device?
Asset tag
What is the main functionality of the NSK (Nitro Security Key)?
encrypts the current customer’s data to prevent unauthorized access to the data by both AWS employees and future droplet users
What is the name of the tavern tool used for repair ticket queue prioritization?
Malt (IBU)
Leak PPE includes the following ...
Rubber Gloves
Leather Gloves
Nitrile Gloves
Full Face Guard
UV Light
Chem - resistant Apron
Decode the ticket tag/ title:
[EC2_BP_1][ATL76 1-3 01-03-006-85] Please repair VETTING_CBP_VFM problem with WYN.WAA7HN5360J1M [EC2TRN2PD21] [ec2] [Vetting]
Boost Priority 1
Data Center location
Perfect Position (Physical Location)
Vetting Failure on CBP host
HWID
Instance
What are all the rack-mounted devices?
Server/Host
Console switch
TOR switch
Powershelf
K2 card acts as a ______________ managing the server’s connection to the AWS Service network via the rack’s TOR switch, using a DAC cable
Network Interface Controller (NIC card)
What are the 7 steps of the 'Vetting Process', once a trouble ticket is cut to DCO queue?
Vetting, SIM, BOOST, Happy Path, DCO (troubleshoot), Drawbridge, Vetting
What are the liquid cooling loop components?
IRHX (In-Row-Heat-Exchanger)
SFN (Secondary Fluid Network)
Rack Manifold
Cold Plate
What are the three conditions for media-related replacements?
Media Auditor
TPVR
The _______ is a server hardware device that manages the server’s network connection to the TOR switch using DAC cables
K2 Card
Name the types of storage devices
HDD
SSD
NVMe
M.2
This ticket title indicates an automated vetting issue on a Carbon Based Provisioning server, specifically related to this specialized PCIe hardware component also known as the Nitro card.
Example:
[EC2_BP_1][ATL76 1-5 01-05-007-79] Please repair VETTING_CBP_VFM_AL_K2_Managed_Missing problem with WYN.WAA7HN61102DM [EC2TRN2PD21] [ec2] [Vetting]
K2 Card
A DCO technician visually observes coolant leaking from a rack but no automatic alarm has triggered. Should they manually activate the leak alarm, and if so, when?
Name the three media handling roles...
Operator
Verifier
Media AuditorWhat are the the two separate networks that AWS Servers connect to?
Console (remote connection)
TOR Switch (No DCO access)
To maintain rack mounted devices, DCO interacts with servers in what two ways?
Logically and Physically
Name 5 tavern links in BOOST and their use case...
Dunkel: Console health check
Happoshu: Network Device information
IPA: Search server components & replacement parts
Lambic: Record of server parts replacements
Quad: Flashing MOBO (firmware)
Name two types of leaks...
Single Server Leak
Rack-Level Leak
What are the three types of Media Anomalies?
Unowned Media
Misplaced Media
Escaped Media