On Wed, Mar 07, 2018 at 09:59:35AM +0800, rong zhao wrote: > Hi, > > I met a problem on resize2fs ext4 filesystem. > > # Environment > OS: Redhat 7.4 64bit, Kernel: 3.10.0-693.11.6.el7.x86_64 > > Storage: connected 3PAR storage with multipath, create LVM on LUNs > Filesystem: ext4 > > # Problem Description > 1. create new filesystem, format ext4 > 2. I tried extend LVM, and resize2fs online, it worked indeed > 3. I copied 27T data to the new filesystem > 4. Then, I try to extend LVM and resize2fs online again, resize2fs > hang at read function, the strace records are below: > ----there are more lines above, do not paste here ------- > lseek(3, 38465727102976, SEEK_SET) = 38465727102976 > read(3, "\1\0\300/\21\0\300/!\0\300/_\177\200\0\0\0\5\0\0\0\0\0\0\0\0\0\200\0\330\326"..., > 4096) = 4096 > lseek(3, 38474317037568, SEEK_SET) = 38474317037568 > read(3, "\1\0\340/\21\0\340/!\0\340/_\177\200\0\0\0\5\0\0\0\0\0\0\0\0\0\200\0000\214"..., > 4096) = 4096 > > --- hang here Hi, thanks for report. Could you please fill a bug at bugzilla.redhat.com and cc me ? Thanks! -Lukas > > 5. the filesystem state is clean: > dumpe2fs /dev/billdb_new/billdb_new | grep state > dumpe2fs 1.42.9 (28-Dec-2013) > Filesystem state: clean > > 6. e2fsck show the filesystem is healthy. > > # Other Information > 1. I had old filesystem with same issue, to solve this problem, I > requested new LUNs from storage and create new filesystem > 2. Copy data from old filesystem to new filesystem > 3. The old fiesystem and new filesyste can be read/written without problem > > > Please give me some suggestions, have googled long time.. > > Thanks.
