On 2012-09-27, John R Pierce <pierce at hogranch.com> wrote: > On 09/27/12 11:15 AM, Keith Keller wrote: >> I have also run xfs_repair on a 17TB XFS filesystem on a machine with >> about 4GB of memory. It ran fine in less than one hour (~30m IIRC; that >> filesystem is on CentOS 6). > > with XFS at least (and probably ext4) what counts is how many files are > in the file system more than the absolute size. if you have 17000 1gb > files, its one thing, if you have 17,000,000,000 1K files, its another > thing entirely. Good point. Just for a data point, I've probably got on the order of a few dozen million files of widely varying sizes on this particular filesystem. (So more than 10 million files but fewer than 100 million.) --keith -- kkeller at wombat.san-francisco.ca.us