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Exadata: How to Clean Warning "EXT4-fs (dm-0): Initial Error" on Root Partition (Doc ID 2523776.1)

Last updated on MAY 26, 2020

Applies to:

Linux OS - Version Oracle Linux 6.0 and later
Linux x86-64


Below warning messages are reported on root partition repeatedly:

Feb 9 19:58:44 hostname kernel: EXT4-fs (dm-0): error count: 394
Feb 9 19:58:44 hostname kernel: EXT4-fs (dm-0): initial error at 1549707482: ext4_ext_remove_space:2572: inode 1186259
Feb 9 19:58:44 hostname kernel: EXT4-fs (dm-0): last error at 1549708960: ext4_mb_generate_buddy:757

The above warning messages still keep being reported after running fsck in rescue mode using diagnostic ISO image successfully as below:

-sh-4.1# fsck.ext4 -f -y /dev/mapper/VGExaDb-LVDbSys1
e2fsck 1.41.12 (17-May-2010)
Pass 1: Checking inodes, blocks, and sizes
Pass 2: Checking directory structure
Pass 3: Checking directory connectivity
Pass 4: Checking reference counts
Pass 5: Checking group summary information
DBSYS: 106220/1966080 files (1.4% non-contiguous), 4383863/7864320 blocks

The purpose of this document is to provide steps about how to clean these warning messages on Exadata server.


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