https://www.v2ex.com/t/974678
Recap: During the Spring Festival this year, we deployed an internal system that didn’t have a lot of traffic. Since it was close to the Spring Festival and it was difficult to coordinate resources, we deployed it on a single machine. The other party provided an H3C physical machine and we planned to install the Ubuntu system. The operation and maintenance team requested a desktop installation. At some point, I was interrupted by a phone call. When I returned to the machine, I saw that the Ubuntu desktop was already set up and assumed that the other side’s operation and maintenance team finished the installation. So, I directly deployed our system, tested it, and there were no problems. I left and everything was peaceful afterwards, we didn’t encounter any issues.
Until last night when a colleague from our team went to update the deployment. Due to various coincidences, a disk space shortage was reported. So, after various operations, the machine was restarted, and we discovered that we booted into Live CD desktop and the directory was empty. When we ejected the CD, it indicated that it could not find a boot disk. After a sleepless night, they called me right in the early morning. I was like… ??? After recovering some memories, I remembered that we didn’t install Ubuntu on the hard drive at all.
Since it was a single-machine deployment, I couldn’t think of a way to recover the data temporarily…
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