On 04/22/2016 03:34 PM, Valeri Galtsev wrote: > On Thu, April 21, 2016 10:23 pm, John R Pierce wrote: >> On 4/21/2016 7:49 PM, Chandran Manikandan wrote: >>> Finally fixed my issue. >>> As you told i have unmount the external hard disk then i checked the >>> /bkhdd/backup folder. >>> I saw that 190GB backup tar.gz file then i deleted and again remount it. >>> >>> Thanks a lot for your kind supporting to me to fix this issue. >>> >>> Why it's happened like this environment and how to avoid it. >> >> don't write to mount points when they aren't mounted, the files get >> written to the file system. and don't create any directories in the >> mount point... like, if you were mounting /dev/sdb1 as /bkhdd then on >> the root file ssytem (without that mount) there should never have been >> any /bkhdd/backup directory. in fact /bkhdd should not be writable by >> your user processes. > John, thanks for reminding this to all of us, I for one keep forgetting > about it (at least if I'm not dealing with it myself which usually acts as > a federal offense on me ;-) I know one Linux admin who removes write bit > from mount points. I usually put a file with a name like "mount point for /dev/mdxyz" into that mount point folder just in case I fail to mount it. Then when you do a ls or ll it shows me I have a problem. > Valeri > >> I remember older Unix systems would refuse to mount a file system to a >> non-empty directory, for exactly this reason, it hides stuff thats >> already there. >> >> >> >> -- >> john r pierce, recycling bits in santa cruz >> >> _______________________________________________ >> CentOS mailing list >> CentOS at centos.org >> https://lists.centos.org/mailman/listinfo/centos >> > > ++++++++++++++++++++++++++++++++++++++++ > Valeri Galtsev > Sr System Administrator > Department of Astronomy and Astrophysics > Kavli Institute for Cosmological Physics > University of Chicago > Phone: 773-702-4247 > ++++++++++++++++++++++++++++++++++++++++ > _______________________________________________ > CentOS mailing list > CentOS at centos.org > https://lists.centos.org/mailman/listinfo/centos