On Dec 12, 2013, at 6:39 AM, Martin wrote:
> Some time back, I noticed that with a two HDD btrfs raid1, some tasks
> suffered ALL the IO getting choked onto just one HDD!
>
>
> That turned out to be a feature of the btrfs code whereby a device is
> chosen depending on the process ID.
I wonder
On 13/12/13 09:13, Duncan wrote:
> Martin posted on Thu, 12 Dec 2013 13:39:00 + as excerpted:
>
>> Some time back, I noticed that with a two HDD btrfs raid1, some tasks
>> suffered ALL the IO getting choked onto just one HDD!
>>
>> That turned out to be a feature of the btrfs code whereby a de
Martin posted on Thu, 12 Dec 2013 13:39:00 + as excerpted:
> Some time back, I noticed that with a two HDD btrfs raid1, some tasks
> suffered ALL the IO getting choked onto just one HDD!
>
> That turned out to be a feature of the btrfs code whereby a device is
> chosen depending on the proces
Some time back, I noticed that with a two HDD btrfs raid1, some tasks
suffered ALL the IO getting choked onto just one HDD!
That turned out to be a feature of the btrfs code whereby a device is
chosen depending on the process ID. For some cases such as in a bash
loop, the PID increments by two fo