Hi, On Tue, 28 Jun 2016 00:56:17 -0400 Zhu Sha Zang wrote: > Helo there, since a while, every time that i use something like "shutdown -Fr > now" i receive messages like that: > > > /dev/sda3: Inode 655658 extent tree (at level 2) could be narrower. IGNORED. > /dev/sda3: Inode 660107 extent tree (at level 1) could be narrower. IGNORED. > /dev/sda3: Inode 661292 extent tree (at level 2) could be narrower. IGNORED. > /dev/sda3: Inode 661848 extent tree (at level 2) could be narrower. IGNORED. > /dev/sda3: Inode 662317 extent tree (at level 2) could be narrower. IGNORED. > /dev/sda3: Inode 662337 extent tree (at level 1) could be narrower. IGNORED. > /dev/sda3: Inode 662648 extent tree (at level 1) could be narrower. IGNORED. > /dev/sda3: Inode 664488 extent tree (at level 1) could be narrower. IGNORED. > /dev/sda3: Inode 666102 extent tree (at level 1) could be narrower. IGNORED. > /dev/sda3: Inode 671956 extent tree (at level 2) could be narrower. IGNORED. > > What the meaning of this. I was unable to find something useful > to explain these "errors". I already boot with systemrescuecd and > run fsck -f manually, but the warning still appearing.
These are not errors, but hints that your fs can be optimized. Extent trees can be compacted with: e2fsck -fpDv -E bmap2extent /dev/sda3 Best regards, Andrew Savchenko
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