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File-system Turns Read-Only Mode for SAN Attached Disks (Doc ID 1941366.1)

Last updated on APRIL 24, 2020

Applies to:

Linux OS - Version Oracle Linux 5.7 to Oracle Linux 7.0 [Release OL5U7 to OL7]
Oracle Cloud Infrastructure - Version N/A and later
Linux x86-64
Linux x86

Symptoms

SAN based file-system turn's read only mode, in addition to that I/O errors are reported.

Oct 17 15:26:50 <HOST> kernel: lpfc 0000:02:00.2: 0:(0):0203 Devloss timeout on WWPN <WWPN_ID> NPort x010300 Data: x0 x7 x7
Oct 17 15:26:50 <HOST> kernel: ext3_abort called.
Oct 17 15:26:50 <HOST> kernel: EXT3-fs error (device dm-1): ext3_journal_start_sb: Detected aborted journal
Oct 17 15:26:50 <HOST> kernel: Remounting filesystem read-only
Oct 17 15:26:50 <HOST> kernel: lpfc 0000:02:00.2: 0:(0):0203 Devloss timeout on WWPN <WWPN_ID> NPort x010100 Data: x0 x7 x8
Oct 17 15:26:50 <HOST> kernel: lpfc 0000:02:00.2: 0:(0):0203 Devloss timeout on WWPN <WWPN_ID> NPort x010200 Data: x0 x7 x9
Oct 17 15:26:50 <HOST> kernel: sd 0:0:7:2: SCSI error: return code = 0x00010000
Oct 17 15:26:50 <HOST> kernel: end_request: I/O error, dev sdbl, sector 12744
Oct 17 15:26:50 <HOST> kernel: __journal_remove_journal_head: freeing b_committed_data
Oct 17 15:26:50 <HOST> kernel: lpfc 0000:02:00.2: 0:(0):0203 Devloss timeout on WWPN <WWPN_ID> NPort x010000 Data: x0 x7 xa

Changes

No changes on system

Cause

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In this Document
Symptoms
Changes
Cause
Solution


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