Re: nilfs_cleanerd could use some sensible defaults if its conf file is empty...

[Alessandro Salvatori <sandr8@xxxxxxxxx>]

of course i had already tried -p 0 and also -p 1, in case 0 had some
special meaning ^_^

thank you!
-alessandro-
 Here i am, A young man,
 A crashing computer program,
 Here is a pen, write out my name.

On Mon, Apr 4, 2011 at 03:00, Ryusuke Konishi <ryusuke@xxxxxxxx> wrote:
> On Sun, 3 Apr 2011 13:49:47 -0700, Alessandro Salvatori wrote:
>> Hello,
>>
>>     my root nilfs2 filesystem filled and trying and editing
>> /etc/nilfs_cleanerd.conf resulted in an empty file.
>>
>> I started the cleanerd but it wasn't freeing up any space.
>> Then I converted all of my snapshots back onto checkpoints and removed
>> all of my checkpoints.
>>
>> still nothing.
>
> Did you try '-p' option?
>
> nilfs_cleanerd tries to protect recent checkpoints within the period
> specified with "protection_period" parameter.
>
> It is set to one hour by default.  So, the effect of converting
> snapshots back to checkpoints will not appear soon.
>
> But, you can shorten this period by using the '-p' option for
> emergency.
>
>> Then I created a new nilfs_cleanerd.conf with sensible values in my
>> home directory and pointed nilfs_cleanerd to that.
>>
>> and finally it worked!!!
>>
>> maybe nilfs_cleanerd could default to some minimum of -say- the least
>> between some small amount of gigabytes and some small percentage of
>> the disk size as the minimum space to free if no setting is found in
>> the configuration file?
>
> The current nilfs_cleanerd.conf has keyword 'min_clean_segments' to
> specify percentage of minimum free space, but the effect of
> protection_period is prior to that.
>
> So, adding another parameter sounds worth considering as you pointed
> out.
>
> For instance,
>
>  emerg_clean_segments     5%    # override protection_period
>  min_clean_segments      10%
>  max_clean_segments      20%
>
> Am I on the right track?
>
> Thanks,
> Ryusuke Konishi
>
>> thank you!
>> -alessandro-
>>  Here i am, A young man,
>>  A crashing computer program,
>>  Here is a pen, write out my name.
>> --
>> To unsubscribe from this list: send the line "unsubscribe linux-nilfs" in
>> the body of a message to majordomo@xxxxxxxxxxxxxxx
>> More majordomo info at  http://vger.kernel.org/majordomo-info.html
>
--
To unsubscribe from this list: send the line "unsubscribe linux-nilfs" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html