search for: vcaron

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2013 Mar 12
2
ext4 and extremely slow filesystem traversal
Hello list, I have troubles with the daily backup of a modest filesystem which tends to take more that 10 hours. I have ext4 all over the place on ~200 servers and never ran into such a problem. The filesystem capacity is 300 GB (19,6M inodes) with 196 GB (9,3M inodes) used. It's mounted 'defaults,noatime'. It sits on a hardware RAID array thru plain LVM slices. The RAID array is
2016 Aug 19
2
e2find: new ext2/3/4 tool for fast directory entry iterations
Hello ext users, in a recurrent need to be able to traverse large filesystems (10-350M inodes) backed by spindle-based RAID arrays, I tried several solutions (like intercepting readdir and sorting by inode, playing with cache hints, and such), to no avail. Since I'm mostly facing ext3 and ext4 filesystems, I wrote a tool based on libe2fs which replaces the 'find /' part by
2007 Mar 29
3
tune2fs -l stale info
Hello, I just noticed that 'tune2fs -l' did not returned a "lively" updated information regarding the free inodes count (looks like it's always correct after unmounting). It became suprising after an online resizing operation, where the total inode count was immediatly updated (grown in my case) but the free inode count was the same: one could deduce that suddenly a lot of