Re: "Long" hostnames, Oracle 9+10 and HP-UX

  • From: Uwe Küchler <uwe@xxxxxxxxxxxx>
  • To: Niall Litchfield <niall.litchfield@xxxxxxxxx>
  • Date: Thu, 04 Nov 2010 10:25:52 +0100

Hello Niall,

you mean the hyphen character in the host name? I thought so, too and
tried to find some documentation or other pointers to support my
thoughts - especially when trying to argue with Ops. But so far I
haven't found anything on MOS that goes like "don't use hyphens in
hostnames".

The only trouble we have so far is our own admin tool (DB with APEX),
that cannot create tables using the host name when there's a hyphen in
it (not allowed for Oracle object names).


Best regards,
Uwe



Am 03.11.2010 19:35, schrieb Niall Litchfield:
>
> The hyphen character may be problematic here. It certainly is for db
> links and db domains.
>
>> On 3 Nov 2010 16:05, "Uwe Küchler" <uwe@xxxxxxxxxxxx
>> <mailto:uwe@xxxxxxxxxxxx>> wrote:
>>
>> Hi Dick,
>>
>> that idea is not too bad.
>> Finally, my Ops folks decided to rename the servers using a simple naming
>> scheme that constrains names to 8 characters. The nuisance is that with
>> prefix and suffix (when clustered) only 3 to 5 characters remain to
>> distinguish the server.
>>
>> BTW: Do you (or anyone here) know if this issue is solved in 11gR2? MOS
>> documents only say that the issue pertains to all releases up to
>> 11.1, but
>> no document says if this got fixed in 11.2...
>>
>> And, last but not least, here's a small test case to show that this
>> problem isn't strictly academic. I used utl_inaddr to resolve the
>> server's
>> IP address:
>>
>> $ uname -n
>> xx-myserver
>>
>> SQL> select sys.utl_inaddr.get_host_address() from dual;
>> select sys.utl_inaddr.get_host_address() from dual
>>       *
>> ERROR in line 1:
>> ORA-29257: host xx-myser unknown
>> ORA-06512: at "SYS.UTL_INADDR", line 19
>> ORA-06512: at "SYS.UTL_INADDR", line 40
>> ORA-06512: at line 1
>>
>>
>>
>> Have a nice day,
>> Uwe
>>
>> Am Di, 2.11.2010, 20:55, schrieb Goulet, Richard:
>>
>> > Uwe,
>> >
>> > Our host names are something like 'US-BOS-DB999.na.pxl.int
>> <http://US-BOS-DB999.na.pxl.int>' which
>> > obviously exceeds th...
>>

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