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Thin LVM Pool is Out of Space, File System Mounted Read-only. (Doc ID 2522311.1)

Last updated on JUNE 13, 2020

Applies to:

Oracle VM - Version 3.4.5 and later
Linux x86-64

Symptoms

File system within a Linux guest mounted read only. Following IO errors logged in /var/log/messages and in dmesg:

Mar  6 20:31:23 <hostname> kernel: Buffer I/O error on device dm-7, logical block 56305720
Mar  6 20:31:23 <hostname> kernel: EXT4-fs warning (device dm-7): ext4_end_bio:323: I/O error 3 writing to inode 11164843 (offset 0 size 0 starting block 56429478)
Mar  6 20:31:23 <hostname> kernel: Buffer I/O error on device dm-7, logical block 56429478
Mar  6 20:31:23 <hostname> kernel: EXT4-fs warning (device dm-7): ext4_end_bio:323: I/O error 3 writing to inode 11149376 (offset 0 size 0 starting block 56657314)
Mar  6 20:31:23 <hostname> kernel: Buffer I/O error on device dm-7, logical block 56657314
Mar  6 20:31:23 <hostname> kernel: EXT4-fs warning (device dm-7): ext4_end_bio:323: I/O error 3 writing to inode 11149164 (offset 0 size 0 starting block 56921319)
Mar  6 20:31:23 <hostname> kernel: Buffer I/O error on device dm-7, logical block 56921319
Mar  6 20:31:23 <hostname> kernel: EXT4-fs warning (device dm-7): ext4_end_bio:323: I/O error 3 writing to inode 11180674 (offset 0 size 0 starting block 57011244)
Mar  6 20:31:23 <hostname> kernel: Buffer I/O error on device dm-7, logical block 57011244
Mar  6 20:31:23 <hostname> kernel: EXT4-fs warning (device dm-7): ext4_end_bio:323: I/O error 3 writing to inode 13762962 (offset 0 size 0 starting block 57011324)
Mar  6 20:31:23 <hostname> kernel: Buffer I/O error on device dm-7, logical block 57011324
Mar  6 20:31:23 <hostname> kernel: EXT4-fs warning (device dm-7): ext4_end_bio:323: I/O error 3 writing to inode 11898882 (offset 0 size 0 starting block 57039408)
Mar  6 20:31:23 <hostname> kernel: Buffer I/O error on device dm-7, logical block 57039408
Mar  6 20:31:26 <hostname> kernel: JBD2: Detected IO errors while flushing file data on dm-7-8
Mar  6 20:31:45 <hostname> systemd: oracle-tfa.service holdoff time over, scheduling restart.
Mar  6 20:31:45 <hostname> systemd: Started Oracle Trace File Analyzer.
Mar  6 20:31:45 <hostname> systemd: Starting Oracle Trace File Analyzer...
Mar  6 20:31:46 <hostname> init.tfa: unknown entry in /u01/app/12.2.0.1/grid/tfa/<hostname>/tfa_home/install/TFAMainrun
Mar  6 20:31:47 <hostname> kernel: Aborting journal on device dm-7-8.
Mar  6 20:31:47 <hostname> kernel: EXT4-fs error (device dm-7): ext4_journal_check_start:61: Detected aborted journal
Mar  6 20:31:47 <hostname> kernel: EXT4-fs (dm-7): Remounting filesystem read-only

 

Cause

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In this Document
Symptoms
Cause
Solution
References


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