Ti ringrazio e ho avuto conferma che l'errore è dovuto al bus scsi o al
disco... Dopo aver ravanato un po nel sistema (AIX non è così semplice);)
Giulio
Dovrebbe essere un problema di disco, ti posto qui sotto il codice che
dovrebbe generarti quell'errore.
Ciao Enrico
/*
* Zero-fill the file. We have to do this the hard way to ensure
that
* all the file space has really been allocated --- on platforms
that
* allow "holes" in files, just seeking to the end doesn't allocate
* intermediate space. This way, we know that we have all the space
* and (after the fsync below) that all the indirect blocks are down
* on disk. Therefore, fdatasync(2) or O_DSYNC will be sufficient
to
* sync future writes to the log file.
*/
MemSet(zbuffer, 0, sizeof(zbuffer));
for (nbytes = 0; nbytes < XLogSegSize; nbytes += sizeof(zbuffer))
{
errno = 0;
if ((int) write(fd, zbuffer, sizeof(zbuffer)) != (int)
sizeof(zbuffer))
{
int save_errno = errno;
/*
* If we fail to make the file, delete it to release
disk
* space
*/
unlink(tmppath);
/* if write didn't set errno, assume problem is no
disk space */
errno = save_errno ? save_errno : ENOSPC;
ereport(PANIC,
(errcode_for_file_access(),
errmsg("could not write to file
\"%s\": %m", tmppath)));
}
}
if (pg_fsync(fd) != 0)
ereport(PANIC,
(errcode_for_file_access(),
errmsg("could not fsync file \"%s\": %m",
tmppath)));
close(fd);
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