Hello!
No, it's not a bad thing. It's just another operation like others.
When apps do truncate() call, the punch RPCs happen.
When apps do open(O_TRUNC) call, the punch RPCs happen too.
Bye,
Oleg
On Jun 18, 2011, at 12:28 AM, Mervini, Joseph A wrote:
> Hi Cliff - it's been a long time...
>
> It seems to me that file truncation is a bad thing - i.e., file writes are
> not completed. Is this an invalid assessment?
>
> Thanks,
> Joe
> ==
>
> Joe Mervini
> Sandia National Laboratories
> Dept 09326
> PO Box 5800 MS-0823
> Albuquerque NM 87185-0823
>
>
> On Jun 16, 2011, at 12:52 PM, Cliff White wrote:
>
>> It is called when truncating a file - afaik it is showing you the number of
>> truncates, more or less.
>> cliffw
>>
>>
>>
>> On Thu, Jun 16, 2011 at 10:52 AM, Mervini, Joseph A <[email protected]>
>> wrote:
>> Hi,
>>
>> I have been covertly trying for a long time to find out what punch means as
>> far a lustre llobdstat output but have not really found anything definitive.
>>
>> Can someone answer that for me? (BTW: I am not alone in my ignorance... :) )
>>
>> Thanks.
>> ====
>>
>> Joe Mervini
>> Sandia National Laboratories
>> High Performance Computing
>> 505.844.6770
>> [email protected]
>>
>>
>>
>>
>> _______________________________________________
>> Lustre-discuss mailing list
>> [email protected]
>> http://lists.lustre.org/mailman/listinfo/lustre-discuss
>>
>>
>>
>> --
>> cliffw
>> Support Guy
>> WhamCloud, Inc.
>> www.whamcloud.com
>>
>>
>
> _______________________________________________
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--
Oleg Drokin
Senior Software Engineer
Whamcloud, Inc.
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