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/var/log/messages に EXT4 ファイルシステムのエラー "EXT4-fs (dm-X): delayed block allocation failed for inode 7651713 at logical offset 14963244 with max blocks 64 with error -28" が発生する

Solution Verified - Updated -

Issue

  • /var/log/messages に以下のようなファイルシステムエラーが出力されるのはなぜですか?
Jun 22 3:17:06 example kernel:EXT4-fs:Can't allocate:Allocation context details:
Jun 22 3:17:06 example kernel:EXT4-fs: status 1 flags 3104
Jun 22 3:17:06 example kernel:EXT4-fs: orig 624/526/64@14963244, goal 624/514/2048@14962688, best 0/0/0@14963244 cr 3
Jun 22 3:17:06 example kernel:EXT4-fs:0 scanned, 0 found
Jun 22 3:17:06 example kernel:EXT4-fs: groups: 
Jun 22 3:17:06 example kernel: 
Jun 22 3:17:06 example kernel:EXT4-fs (dm-6): delayed block allocation failed for inode 7651713 at logical offset 14963244 with max blocks 64 with error -28
Jun 22 3:17:06 example kernel: 
Jun 22 3:17:06 example kernel:This should not happen!!Data will be lost
Jun 22 3:17:06 example kernel:Total free blocks count 0
Jun 22 3:17:06 example kernel:Free/Dirty block details
Jun 22 03:17:06 example kernel: free_blocks=0
Jun 22 03:17:06 example kernel: dirty_blocks=0
Jun 22 3:17:08 example kernel:Block reservation details
Jun 22 03:17:08 example kernel: i_reserved_data_blocks=282679
Jun 22 03:17:08 example kernel: i_reserved_meta_blocks=4294965389
Jun 22 3:17:08 example kernel:EXT4-fs:Can't allocate:Allocation context details:
Jun 22 3:17:08 example kernel:EXT4-fs: status 1 flags 3104
Jun 22 3:17:08 example kernel:EXT4-fs: orig 624/526/64@14963309, goal 624/514/2048@14962688, best 0/0/0@14963309 cr 3
Jun 22 3:17:08 example kernel:EXT4-fs:0 scanned, 0 found
Jun 22 3:17:08 example kernel:EXT4-fs: groups: 

Environment

  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6

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