Re: [LTP] [PATCH] commands/logrotate:run the case once again will failed

[Yuan Sun <sunyuan3@huawei.com>]

On 2015/6/1 10:46, Li Wang wrote:
> Hi,
>
> ----- Original Message -----
>> Hi Bixuan,
>> If the current time is 23:59:59 May 30 23:59:59 2015, we start to run
>> the case and /var/log/*20150530* file is created.
>> It has a delay before the program runs the following command added by you.
>> rm -f /var/log/*`date '+%Y%m%d'`* > /dev/null 2>&1
> IMO, Bixuan's solution is pretty well. Even though the situation like that:
> "If the current time is 23:59:59 May 30 23:59:59 2015" and then will be
> "rm -f /var/log/*20150531*".
>
> It's means,
>
> The original file is: /var/log/messages-20150530.gz
> The removed file is:  /var/log/messages-20150531.gz
>
>> If it is 2 seconds delay, the command will be "rm -f /var/log/*20150531*".
>> The issue leads to the fact the previous log file can't removed.
> But that's okay, the case wouldn't fail like:
> 'error: destination /var/log/messages-20150531.gz already exists,skipping
> rotation'.
>
> Because there will never be a name conflicts.
Yes. I understand. It is a small probability event.
Regards,
     Yuan
>
> Regards,
> Li Wang
>
>
>> Thanks.
>>       Yuan
>>
>> On 2015/5/29 9:25, Cui Bixuan wrote:
>>> On 2015/5/21 17:28, s00318865 wrote:
>>>
>>>> If the current time is 23:59:59, a problem would occur. It is good to use
>>>> the following command.
>>>> rm [0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]
>>>> Of course, it is better if you can find a way to use regular expressions
>>>> to match it.
>>> "If the current time is 23:59:59, a problem would occur." why?
>>> The error occur when there are messages-20150406 file in /var/log/ and do
>>> "logrotate" in 20150406(same day).
>>>
>>> Thanks,
>>> Cui Bixuan
>>>
>>>
>>>
>>>
>>> .
>>>
>>
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> .
>


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