[Gluster-devel] Request for "read-only" translator

[Matt Paine]

sorry, reposting to the list, damn "reply" sends it to the original 
sender, not the list - i'll try to be more careful next time :)


> 
>> Hi Steffen,
>> Sorry there was A mistake in my reply. The Unify schedulers cannot 
>> schedule
>> based on whether a sub-volume is read-only or not. Hence when a new file
>> creation operation comes, the scheduler _cannot_ neglect the read-only
>> subvolumes for creating the file. There is a fairly good chance that the
>> file creation operation be scheduled on a read-only subvolume which 
>> ofcourse
>> will fail.
> 
> 
> 
> How does the scheduler handle the case when disk-min-free (cant remember 
> the option exactly) condition is met. I had a feeling if there was less 
> than so much free space left on a sub-volume, it skipped it for writing 
> new files.
> 
> In the case of a read-only volume, wouldn't the free space = 0MB, 
> meeting the condition of the free space parameter.
> 
> Unless of course I have it wrong totally :) (i cant check on the site at 
> the moment, its unreachable :/)
> 
> 
> Matt.
>