On Wed, Mar 07, 2018 at 12:08:46AM -0500, Theodore Y. Ts'o wrote: > On Wed, Mar 07, 2018 at 11:01:40AM +0800, rong zhao wrote: > > > > I downloaded the latest e2fsprogs source code from kernel.org, it works. > > I'm not sure what the difference is, but I'm *shocked* that RHEL 7.4 > is still using e2fsprogs 1.42.x. There are a very large number of > resize2fs bugs, especially with very large file systems, with > e2fsprogs 1.42.x. Especially in the case of off-line resizes with a > lage ext4 file system, with a resize2fs from e2fsprogs 1.42.x, data > corruption is almost a certainty. The version number (as with kernel) does not really say much. We backport a lot of stuff. Regards, -Lukas > > If you have used resize2fs 1.42.x on that file system, I would suggest > running e2fsck on your large ext4 file system unmounted when you have > a chance, to make sure it's in a good and healthy state. > > Regards, > > - Ted
