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Old 03-13-2005, 10:36 AM   #1
Registered: Aug 2003
Location: Edinburgh
Distribution: Server: Gentoo2004; Desktop: Ubuntu
Posts: 720

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reserved-blocks-percentage: is 5% too big for 40gb partition?


I'm making an ext3 filesystem on a 40gb and 50gb partition.

Is the default 5% too much for the reserved space? These partitions will only host user data on them.

If I can make them smaller, what % do you recommend? About 1%?

Old 03-15-2005, 06:30 AM   #2
Registered: Aug 2003
Location: Edinburgh
Distribution: Server: Gentoo2004; Desktop: Ubuntu
Posts: 720

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Rep: Reputation: 30

Ok, my research indicates that 1% (or if you want 0%) on each partition is enough if you have a 40GB partition. The only ones which REALLY need to have space at all are those where root (or root owned programs) will write to:
/root (if in different partition to /)

The reason that this is reserved is so that, if these partitions run out of a space, there is still 5% available for root to write to temporarily so that he can delete/move files to free up space .

From the point of view of folders which are just holding user data (like /home) then you can safely reduce this to 1% or 0%.

Hope this helps the next person.



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