[ofw] [PATCH] opensm: ignore and overwrite corrupted guid2lid file

[Yevgeny Kliteynik]

Hi Hal,

Hal Rosenstock wrote:
> Yevgeny,
> 
> On Wed, Nov 5, 2008 at 5:42 AM, Yevgeny Kliteynik
> <kliteyn at dev.mellanox.co.il> wrote:
>> Tzachi,
>>
>> When Windows is crashing with BSOD, it might corrupt files that were
>> previously opened for writing, even if the files are closed. As a result,
>> we might see corrupted guid2lid file, and OpenSM will exit on such error.
>> This patch makes SM ignore (and later overwrite) corrupted guid2lid files.
> 
> If this patch is accepted into ofw, should a similar one be pushed
> into the main OpenSM code base (Linux) so this is not lost in the
> future when hopefully the Windows version catches up to the Linux
> version ?

Sure, that's why it's enclosed with "#ifndef __WIN__".
I'll send patch to Sasha.

- Yevgeny

> -- Hal
> 
>> -- Yevgeny
>>
>> Index: osm_lid_mgr.c
>> ===================================================================
>> --- osm_lid_mgr.c       (revision 3426)
>> +++ osm_lid_mgr.c       (working copy)
>> @@ -299,6 +299,13 @@ osm_lid_mgr_init(
>>   {
>>     if (osm_db_restore(p_mgr->p_g2l))
>>     {
>> +#ifndef __WIN__
>> +      /*
>> +       * When Windows is BSODing, it might corrupt files that were
>> +       * previously opened for writing, even if the files are closed.
>> +       * This is because of Windows write caching option.
>> +       * As a result, we might see corrupted guid2lid file.
>> +       */
>>       if (p_subn->opt.exit_on_fatal)
>>       {
>>         osm_log( p_mgr->p_log, OSM_LOG_SYS,
>> @@ -307,6 +314,7 @@ osm_lid_mgr_init(
>>         goto Exit;
>>       }
>>       else
>> +#endif
>>       {
>>         osm_log( p_mgr->p_log, OSM_LOG_ERROR,
>>                  "osm_lid_mgr_init: ERR 0317: "
>> _______________________________________________
>> ofw mailing list
>> ofw at lists.openfabrics.org
>> http://lists.openfabrics.org/cgi-bin/mailman/listinfo/ofw
>>
>