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We
have a production Database Server, with
a
professional
Red Hat O.S installed. From Nov03 up to now, on regular basis,
the server randomly gets blocked
up to now on "Ontape", "Tar" , "dbaccess" & "Update Statistics"
commands. Observations
==> The server does not hung-up since we can ping it.
But the only way to get response from the command line is by rebooting the machine.
==> This server is on production since July 2002 without giving any
problems
==> The only difference from that time up to now can be more data
in data base Steps
followed:
==> We got a full new-hardware from the HW provider, except for the disks,
thinking it was a hardware problem
===> The backup tape-unit SCSI controller got changed (Adaptec
39160)
==> BIOS upgrade from ver A09 to verA20
==> ESM Firmware upgrade from 1.68 to 1.56
==> Informix is giving full support and doing research. They keep suggesting
there is an O.S issue
==> we have not research on the O.S Information
about the server:
DELL
Power Edge 2600 ***
Informix
Dynamic Server Version 9.30.UC3 *** Red
Hat 7.3 *** Kernel: Linux 2.4.18-3smp / Apr 18
2 HD - 18 Gb each - Raid 0 for O.S **** 3 HD - 36
G b each - Raid 5 for one instance of DB
3 HD - 36 G b each - Raid 5 for one instance of another instance of
DB ANY
SUGGESTIONS or IDEAS what the problem can be?
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