On Mon, November 9, 2015 1:41 pm, Gordon Messmer wrote: > On 11/09/2015 11:34 AM, Valeri Galtsev wrote: >> I wonder how filesystem behaves when almost every file has some 400 hard >> links to it. (thinking in terms of a year worth of daily backups). > > Why do you think that would be a problem? Probably not. You are not impacting something that has notably finite count (like inode count on given fs). You just use a bit more disk space for metadata which is nothing (space wise) compared to data (the files themselves). Thanks! > > Most inodes have one hard link. When that link is removed, the link > count in the inode is decremented (inodes are reference-counted, you can > see their ref count in "ls -l" output). When the link count reaches 0 > and no open file descriptors exist, the inode is removed. > > Creating more hard links just increases the ref count. That's it. It's > not a weird special case. > _______________________________________________ > 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 ++++++++++++++++++++++++++++++++++++++++