It's not reserved for the filesystem, but rather for root. Read about the -m option in the manpage to adjust that 5%.
Investigate the -m option of mkfs.ext2/3 or tune2fs. The default is 5%.
Thanks for the info.
I found a post previously that claims it is required to prevent high levels of fragmentation as well as "other, very important" reasons. I wonder how accurate this statement is.
Ummm, the 5% reservation is to prevent the high levels of fragmentation that occur when the filesystem is near full (something that I wish Windows would adopt as standard too ;-). It is also to keep your system from "hanging" if system/root processes need to write to the filesystem, so they aren't at the "mercy" of users filling it up. And there are a few other, very important reasons too.
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Maurice Volaski, mvolaski@xxxxxxxxxxxx Computing Support, Rose F. Kennedy Center Albert Einstein College of Medicine of Yeshiva University
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