tail -f on ACFS filesystem failed with 'tail: unrecognized file system type 0x61636673'
(Doc ID 2098447.1)
Last updated on SEPTEMBER 16, 2021
Applies to:
Oracle Database - Enterprise Edition - Version 12.1.0.2 and laterOracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Information in this document applies to any platform.
Symptoms
Getting the below error when trying to use tail -f on a file on ACFS filesystem
'tail: unrecognized file system type 0x61636673'
# tail -f alert_TEST3.log
ns main err code: 12535
TNS-12535: TNS:operation timed out
ns secondary err code: 12560
nt main err code: 505
TNS-00505: Operation timed out
nt secondary err code: 110
nt OS err code: 0
Client address: (ADDRESS=(PROTOCOL=tcp)(HOST=XX.XX.X.XX)(PORT=58310))
tail: unrecognized file system type 0x61636673 for ‘<Database Trace directory>/alert_TEST3.log’. please report this to bug-coreutils@gnu.org. reverting to polling
Changes
Using 'tail' version 8.22
# tail --version
tail (GNU coreutils) 8.22
Copyright (C) 2013 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
[root@zurpdb03 ~]# rpm -qa | grep coreutils
coreutils-8.22-15.0.1.el7.x86_64
policycoreutils-2.2.5-15.0.1.el7.x86_64
Cause
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In this Document
| Symptoms |
| Changes |
| Cause |
| Solution |
| References |