SLOB Chewed Up All My File System Space and Spit It Out. But, Why?

This is a quick blog post in response to a recent interaction with a SLOB user. The user reached out to me to lament that all her file system space was consumed as the result of a SLOB execution (runit.sh). I reminded her that runit.sh will alert to possible derelict mpstat/iostat/vmstat processes from an aborted SLOB test. If these processes exist they will be spooling their output to unlinked files.

The following screen shot shows what to expect if a SLOB test detects potential “deadwood” processes. If you see this sort of output from runit.sh, it’s best to investigate whether in fact they remain from an aborted test or whether there are other users on the system that left these processes behind.

 

The next screenshot shows how to take action on the runit.sh output:

Summary

If SLOB is consuming all your file system space, it’s probably already telling you why–all you need to do is take action. I hope this is helpful for some wayward Googler someday.

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I work for Amazon Web Services. The opinions I share in this blog are my own. I'm *not* communicating as a spokesperson for Amazon. In other words, I work at Amazon, but this is my own opinion.

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All content is © Kevin Closson and "Kevin Closson's Blog: Platforms, Databases, and Storage", 2006-2015. Unauthorized use and/or duplication of this material without express and written permission from this blog’s author and/or owner is strictly prohibited. Excerpts and links may be used, provided that full and clear credit is given to Kevin Closson and Kevin Closson's Blog: Platforms, Databases, and Storage with appropriate and specific direction to the original content.

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