Kbase P8156: Database crashes or won't start: error 9451, with errno = 5.
| Autor |
Progress Software Corporation - Progress |
| Acesso |
Público |
| Publicação |
10/15/2008 |
|
Status: Verified
FACT(s) (Environment):
UNIX
SYMPTOM(s):
Unable to start database on command line
Database crashes.
Database log file shows error 9451 with errno = 5
<function>:Unknown O/S error during <system call>, errno <error number>, fd <file descriptor>, len <bytes>, offset <bytes>, file <file-name>. (9451)
bkioRead:Unknown O/S error during read, errno 5, fd <file descriptor>, len <bytes>, offset <bytes>, file <file-name>. (9451)
UNIX system log shows unrecoverable hard drive block errors
CAUSE:
Hardware corruption.
Error 5 is returned from the operating system as a result of issuing OS function call read(). Under all UNIX flavors, errno = 5 means "I/O error". This is usually due to a problematic disc or controller.
FIX:
The database is not recoverable and must be restored from backup.
Please replace the faulty hardware, and run a full system diagnostic to be on the safe side.
You should restore a previous backup only after you have ascertained that the hardware problems have been solved.
After restore, you can roll forward your after-image files, if applicable.