Re: [Openstack] swift ringbuilder and disk size/capacity relationship

2016-04-06 Thread Pete Zaitcev
On Wed, 16 Mar 2016 13:23:31 +1300 Mark Kirkwood wrote: > So integrating swift-recon into regular monitoring/alerting > (collectd/nagios or whatever) is one approach (mind you most folk > already monitor disk usage data... and there is nothing overly special > about ensuring you don't run of s

Re: [Openstack] swift ringbuilder and disk size/capacity relationship

2016-03-15 Thread Mark Kirkwood
On 16/03/16 00:51, Peter Brouwer wrote: Ah, good info. Followup question, assume worse case ( just to emphasis the situation) , one copy ( replication = 1 ) , disk approaching its max capacity. How can you monitor this situation, i.e. to avoid the disk full scenario and if the disk is full, what

Re: [Openstack] swift ringbuilder and disk size/capacity relationship

2016-03-15 Thread Mark Kirkwood
On 16/03/16 00:09, Peter Brouwer wrote: See https://ask.openstack.org/en/question/6766/what-is-a-swift-partition/ Yep, misunderstood you - see comments email after that one! ___ Mailing list: http://lists.openstack.org/cgi-bin/mailman/listinfo/open

Re: [Openstack] swift ringbuilder and disk size/capacity relationship

2016-03-15 Thread Peter Brouwer
On 15/03/2016 10:29, Mark Kirkwood wrote: On 15/03/16 22:21, Peter Brouwer wrote: PArtitions is used in the swift context, i.e. the partitions scheme the ring-builder uses. I'm assuming a whole physical disk is used, i.e. filesystem created on a disk using the whole physical disk. So the ring

Re: [Openstack] swift ringbuilder and disk size/capacity relationship

2016-03-15 Thread Peter Brouwer
On 15/03/2016 09:51, Mark Kirkwood wrote: On 15/03/16 22:21, Peter Brouwer wrote: On 10/03/2016 05:14, Mark Kirkwood wrote: Hmm, I'm confused by the phrase 'partitions that point to the same disk': PArtitions is used in the swift context, i.e. the partitions scheme the ring-builder uses.

Re: [Openstack] swift ringbuilder and disk size/capacity relationship

2016-03-15 Thread Mark Kirkwood
On 15/03/16 22:21, Peter Brouwer wrote: PArtitions is used in the swift context, i.e. the partitions scheme the ring-builder uses. I'm assuming a whole physical disk is used, i.e. filesystem created on a disk using the whole physical disk. So the ring structure provides a reference to a swift par

Re: [Openstack] swift ringbuilder and disk size/capacity relationship

2016-03-15 Thread Mark Kirkwood
On 15/03/16 22:21, Peter Brouwer wrote: On 10/03/2016 05:14, Mark Kirkwood wrote: Hmm, I'm confused by the phrase 'partitions that point to the same disk': PArtitions is used in the swift context, i.e. the partitions scheme the ring-builder uses. I'm sorry but that does not make sense. The

Re: [Openstack] swift ringbuilder and disk size/capacity relationship

2016-03-15 Thread Peter Brouwer
Hi Mark, On 10/03/2016 05:14, Mark Kirkwood wrote: On 10/03/16 00:03, Peter Brouwer wrote: Indeed, I should have been a bit more clear with my question. What is swifts behavior of a situation in which a disk where a swift partition points to runs out of space? There can be a number of swift

Re: [Openstack] swift ringbuilder and disk size/capacity relationship

2016-03-09 Thread Mark Kirkwood
On 10/03/16 00:03, Peter Brouwer wrote: Indeed, I should have been a bit more clear with my question. What is swifts behavior of a situation in which a disk where a swift partition points to runs out of space? There can be a number of swift partitions that point to the same disk, does each par

Re: [Openstack] swift ringbuilder and disk size/capacity relationship

2016-03-09 Thread Peter Brouwer
On 08/03/2016 02:26, Mark Kirkwood wrote: On 06/03/16 21:15, Peter Brouwer wrote: Interesting info. Two followup questions, Can the ring builder cope with a disk that is dynamic in size, like an nfs share from a storage array in which an nfs share shares capacity from a pool, i.e. If an othe

Re: [Openstack] swift ringbuilder and disk size/capacity relationship

2016-03-07 Thread Mark Kirkwood
On 06/03/16 21:15, Peter Brouwer wrote: Interesting info. Two followup questions, Can the ring builder cope with a disk that is dynamic in size, like an nfs share from a storage array in which an nfs share shares capacity from a pool, i.e. If an other share in that pool takes up space the nfs s

Re: [Openstack] swift ringbuilder and disk size/capacity relationship

2016-03-06 Thread Peter Brouwer
Regards, Peter > On 5 Mar 2016, at 02:52, John Dickinson wrote: > > > >> On 3 Mar 2016, at 13:32, Mark Kirkwood wrote: >> >>> On 03/03/16 03:57, Peter Brouwer wrote: >>> Hello >>> >>> I am trying to find some information on the relationship of the ring >>> (builder) structure of swift and

Re: [Openstack] swift ringbuilder and disk size/capacity relationship

2016-03-04 Thread John Dickinson
On 3 Mar 2016, at 13:32, Mark Kirkwood wrote: > On 03/03/16 03:57, Peter Brouwer wrote: >> Hello >> >> I am trying to find some information on the relationship of the ring >> (builder) structure of swift and the size of disks used, i.e. how is >> capacity of a disk managed. >> I've seen many doc

Re: [Openstack] swift ringbuilder and disk size/capacity relationship

2016-03-03 Thread Mark Kirkwood
On 03/03/16 03:57, Peter Brouwer wrote: > Hello > > I am trying to find some information on the relationship of the ring > (builder) structure of swift and the size of disks used, i.e. how is > capacity of a disk managed. > I've seen many docs/blogs explaining the ring and partitions but I have >