is that in nfs? please provide more details.... – smintzMay 8 '11 at 20:31
ext3 is the filesystem. i just used cp -r / bakfolder – oneatMay 9 '11 at 10:32
Which child of / gave the issue? Maybe try copying children one by one until you find it. I've had a similar issue with writing to files or directories associated with devices, but to get permission denied on just a read seems odd. – BigChiefMay 9 '11 at 12:37