SysOps Flashcards
D2
Dense Storage - File Servers, Data Warehousing, Haddop
R4
Memory Optimized - Memory Intensive apps, DB’s
M4
General Purpose - Application servers
C4
Compute Optimized - CPU intensive App’s/DB’s
G2
Graphics Intensive - Video encoding, 3D application streaming
I2
High Speed Storage - NoSql DB’s, Data Warehousing
F1
Field Programmable Gate Array - Hardware acceleration for your code
T2
Lowest cost, general purpose - web-servers, small app servers
P2
Graphics General purpose GPU - Machine learning,Bit coin mining
X1
Memory Optimized - SAP, HANA, Apache Spark
Dr McGiftPx
instance types
Services that allow root access
EC2, EMR, Elastic Beanstalk, OpsWork
ELB Metrics
SurgeQueueCount = total pending requests , SpillOverCount = total rejected requests
2) Pilot Light *
A minimal version of an environment is always
running in the cloud.
Can have ENI’s with pre-configured MAC addresses
1) Establish reverse mirroring/replication from DR back to
Primary, once the primary has caught up with the
changes
2) Freeze data changes to the DR site
3) Re-point users to the Primary
4) unfreeze the changes
Warm Standby
A scaled-down version of a fully functional
environment is always running in the cloud
1) Establish reverse mirroring/replication from DR back to
Primary, once the primary has caught up with the
changes
2) Freeze data changes to the DR site
3) Re-point users to the Primary
4) unfreeze the changes
Multi-Site
active-active full copy that can be scaled
1) Establish reverse mirroring/replication from DR back to
Primary, once the primary has caught u with the
changes
2) Freeze data changes to the DR site
3) Re-point users to the Primary
4) unfreeze the changes
1) Backup and Restore *
1) Freeze data changes to the DR site
2) Take a backup
3) Restore Backup to the Primary site
4) Re-point users to the Primary
5) unfreeze the changes
Services with Automatic backups
NOT EC2
1) RDS
2) Elasticache (Redis only)
3) Redshift
Identity Broker
1) Develop broker to communicate with LDAP and STS
2) Authenticate with LDAP first them STS
3) this fives temporary access to aws
