As some folks may have noticed, myUMBC has had issues on two separate occasions recently. Of course, Murphy's Law dictates that these problems must always occur after hours, and on evenings when I (as the primary developer) am out and unable to get to a computer to check it out. Anyhow..... we think the cause has been identified and are working on a permanent fix.
Basically, every time someone accesses myUMBC, the web server records an entry into an access log file. As you can imagine, this file can grow quite large over time. If the access log file is allowed to grow unchecked, after a certain amount of time it will fill up all of the disk space allotted to it. That causes Bad Things(tm) to happen, and did indeed turn out to be the cause of our recent problem. To prevent it from occurring in the future, we will put an automated process in place that periodically removes old entries from the log file, to keep it from getting too large. This is really something that should have been done a long time ago, but for whatever reason, I just never got around to it.