Lab 15.1 - MariaDB package takes a very long time to load
Hi all,
I worked through 15.1 twice but even after 6hours the pod was never successfully started.
Could I get some help on where to begin troubleshooting an issue like this, please?
My environment is 2 instences of Amazon Web services EC2-t2-Large. Is this enough processing power for this Pod along with the others we have running over the course?
Also, let me know what more information I can provide.
I've been using the script command to keep a log of my STDIN/STDERR messages.
Cheers,
Sean
Comments
-
Hi Sean, your instance sizes are sufficient, just as recommended in lab 3.
The first time I went thru lab 15 I also had trouble getting everything up and running. It took a second time and paid a lot of attention at every step to get the lab running as expected. I completed the lab on GCE, but I do not expect GCE and EC2 to behave differently. I also created a firewall rule to open all ports for all traffic, no VPC, no SG or NACL of any kind.
Did you find anything unusual in the logs? Anything to indicate a hang, timeout, etc?
-Chris
0 -
Hi Sean,
Are your mariadb pods ever starting or remainig in ContainerCreating state? I found that the Helm chart deploys 2 pods (master/slave) and that both try to claim a PV.
You'll be able to see if that's the case using 'kubectl get events' in your namespace.
Using 'helm inspect' I found that setting the 'persitence.enabled' for both master and slave was required, like this:
helm --debug install stable/mariadb \
--set master.persistence.enabled=false --set slave.persistence.enabled=false
Hope this helps.
Tony
0 -
Hi Tony,
Thanks for the tip. After reading your post I took another swing at this lab and realized that things have changed a bit since I completed it the first time. The persistence.enabled has to be set for both master and slave separately, just like you mentioned in your post. I believe this change is a result of the mariadb chart getting upgraded from version 2.1.3 to version 4.2.2 as displayed by the output of
helm search database
command in step 13. In the earlier version it was enough to set it once, but in the current version the documentation at
https://github.com/kubernetes/charts/tree/master/stable/mariadb
shows 2 separate config parameters. This change should be reflected in the next course update release.
Regards,
-Chris
0
Categories
- All Categories
- 61 LFX Mentorship
- 114 LFX Mentorship: Linux Kernel
- 618 Linux Foundation IT Professional Programs
- 322 Cloud Engineer IT Professional Program
- 141 Advanced Cloud Engineer IT Professional Program
- 56 DevOps Engineer IT Professional Program
- 67 Cloud Native Developer IT Professional Program
- 6 Express Training Courses
- 6 Express Courses - Discussion Forum
- 2.3K Training Courses
- 19 LFC110 Class Forum - Discontinued
- 9 LFC131 Class Forum
- 31 LFD102 Class Forum
- 178 LFD103 Class Forum
- LFD110 Class Forum
- 24 LFD121 Class Forum
- LFD133 Class Forum
- 2 LFD137 Class Forum
- 62 LFD201 Class Forum
- 2 LFD210 Class Forum
- 1 LFD210-CN Class Forum
- 1 LFD213 Class Forum - Discontinued
- 128 LFD232 Class Forum - Discontinued
- LFD233 Class Forum
- LFD237 Class Forum
- 23 LFD254 Class Forum
- 659 LFD259 Class Forum
- 108 LFD272 Class Forum
- 1 LFD272-JP クラス フォーラム
- 4 LFD273 Class Forum
- LFS101 Class Forum
- LFS116 Class Forum
- 2 LFS145 Class Forum
- 28 LFS200 Class Forum
- 740 LFS201 Class Forum - Discontinued
- 1 LFS201-JP クラス フォーラム
- 13 LFS203 Class Forum
- 98 LFS207 Class Forum
- 301 LFS211 Class Forum
- 54 LFS216 Class Forum
- 47 LFS241 Class Forum
- 41 LFS242 Class Forum
- 38 LFS243 Class Forum
- 12 LFS244 Class Forum
- LFS245 Class Forum
- 41 LFS250 Class Forum
- 1 LFS250-JP クラス フォーラム
- LFS251 Class Forum
- 143 LFS253 Class Forum
- LFS254 Class Forum
- LFS255 Class Forum
- 1 LFS256 Class Forum
- LFS257 Class Forum
- 1.2K LFS258 Class Forum
- 10 LFS258-JP クラス フォーラム
- 108 LFS260 Class Forum
- 146 LFS261 Class Forum
- 39 LFS262 Class Forum
- 83 LFS263 Class Forum - Discontinued
- 15 LFS264 Class Forum - Discontinued
- 11 LFS266 Class Forum - Discontinued
- 21 LFS267 Class Forum
- 18 LFS268 Class Forum
- 26 LFS269 Class Forum
- 204 LFS272 Class Forum
- 1 LFS272-JP クラス フォーラム
- LFS274 Class Forum
- 3 LFS281 Class Forum
- 258 LFW211 Class Forum
- 178 LFW212 Class Forum
- 9 SKF100 Class Forum
- SKF200 Class Forum
- 908 Hardware
- 221 Drivers
- 74 I/O Devices
- 44 Monitors
- 116 Multimedia
- 210 Networking
- 102 Printers & Scanners
- 86 Storage
- 765 Linux Distributions
- 88 Debian
- 66 Fedora
- 15 Linux Mint
- 13 Mageia
- 24 openSUSE
- 144 Red Hat Enterprise
- 33 Slackware
- 13 SUSE Enterprise
- 357 Ubuntu
- 483 Linux System Administration
- 40 Cloud Computing
- 70 Command Line/Scripting
- Github systems admin projects
- 95 Linux Security
- 80 Network Management
- 108 System Management
- 52 Web Management
- 74 Mobile Computing
- 25 Android
- 34 Development
- 1.2K New to Linux
- 1.1K Getting Started with Linux
- 544 Off Topic
- 131 Introductions
- 223 Small Talk
- 22 Study Material
- 835 Programming and Development
- 284 Kernel Development
- 517 Software Development
- 975 Software
- 261 Applications
- 185 Command Line
- 3 Compiling/Installing
- 119 Games
- 318 Installation
- 65 All In Program
- 65 All In Forum
Upcoming Training
-
August 20, 2018
Kubernetes Administration (LFS458)
-
August 20, 2018
Linux System Administration (LFS301)
-
August 27, 2018
Open Source Virtualization (LFS462)
-
August 27, 2018
Linux Kernel Debugging and Security (LFD440)