Recently I’ve been looking at a lot of log files. And sorting through them can be a bit of a pain. However, there are some tools out there to help make this process a bit easier. The first of these is sort. If I have a log that has 1,000 lines, while I like to initially see any lines that are repeated numerous times so that I can see when servers are throwing a lot of errors, combing through them can get tedious. Sort will help to reduce the volume and organize them in a manner that makes sense. For example, to sort the logs and remove duplicate line entries…
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Xsan: Tracking Down Latency Problems
Xsan stores the logs for a volume in /Library/Filesystems/Xsan/data/<Volume Name>/log/cvlog. When you’re trying to find whether there is too much latency you can look for the following in the logs: PIO HiPriWr SUMMARY <Storage Pool> sysavg This is updated every hour in the cvlog.