On Thu, Jan 23, 2014 at 3:35 AM, bf wrote:
> Gregory Farnum writes:
>
>
>> Yes, Ceph does all the heavy lifting. Multiple PGs with the same OSDs
>> can happen (eg, if you only have two OSDs, all PGs will be on both),
>> but it behaves about as well as is possible within the configuration
>> you g
Gregory Farnum writes:
> Yes, Ceph does all the heavy lifting. Multiple PGs with the same OSDs
> can happen (eg, if you only have two OSDs, all PGs will be on both),
> but it behaves about as well as is possible within the configuration
> you give it.
> -Greg
> Software Engineer #42http://in
On Wed, Jan 22, 2014 at 3:50 PM, bf wrote:
>
>
> Gregory Farnum writes:
>
>>
>> On Wed, Jan 22, 2014 at 9:13 AM, Caius Howcroft
>> > I want to double the number of pgs available for a pool, however I
>> > want to reduce as much as possible the resulting I/O storm (I have
>> > quite a bit of data
Gregory Farnum writes:
>
> On Wed, Jan 22, 2014 at 9:13 AM, Caius Howcroft
> > I want to double the number of pgs available for a pool, however I
> > want to reduce as much as possible the resulting I/O storm (I have
> > quite a bit of data in these pools).
> >
> > What is the best way of doin
On Wed, Jan 22, 2014 at 9:13 AM, Caius Howcroft
wrote:
> Hi all,
>
>
> I want to double the number of pgs available for a pool, however I
> want to reduce as much as possible the resulting I/O storm (I have
> quite a bit of data in these pools).
>
> What is the best way of doing this? Is it using
Hi all,
I want to double the number of pgs available for a pool, however I
want to reduce as much as possible the resulting I/O storm (I have
quite a bit of data in these pools).
What is the best way of doing this? Is it using php_nums? for example:
increase pg_num form X to 2X
while pgp_num <
