On Tue, May 12, 2015 at 11:36 PM, Chad William Seys
wrote:
>> No, pools use crush rulesets. "straw" and "straw2" are bucket types
>> (or algorithms).
>>
>> As an example, if you do "ceph osd crush add-bucket foo rack" on
>> a cluster with firefly tunables, you will get a new straw bucket. The
>>
> No, pools use crush rulesets. "straw" and "straw2" are bucket types
> (or algorithms).
>
> As an example, if you do "ceph osd crush add-bucket foo rack" on
> a cluster with firefly tunables, you will get a new straw bucket. The
> same after doing "ceph osd crush tunables hammer" will get you a
On Tue, May 12, 2015 at 11:16 PM, Robert LeBlanc wrote:
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> What is the difference between straw and straw2 buckets? Should we consider
> "upgrading" to straw2 buckets by dumping the CRUSH map and updating them?
Well, straw bucket was supposed t
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What is the difference between straw and straw2 buckets? Should we
consider "upgrading" to straw2 buckets by dumping the CRUSH map and
updating them?
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wsFcB
On Tue, May 12, 2015 at 10:38 PM, Chad William Seys
wrote:
> Hi Ilya and all,
> Thanks for explaining.
> I'm confused about what "building" a crushmap means.
> After running
> #ceph osd crush tunables hammer
> data migrated around the cluster, so something changed.
>
Hi Ilya and all,
Thanks for explaining.
I'm confused about what "building" a crushmap means.
After running
#ceph osd crush tunables hammer
data migrated around the cluster, so something changed.
I was expecting that 'straw' would be replaced by 'straw2'.
(Unfortuna
On Tue, May 12, 2015 at 8:37 PM, Chad William Seys
wrote:
> Hi Ilya and all,
> Is it safe to use kernel 3.16.7 rbd with Hammer tunables? I've tried
> this on a test Hammer cluster and the client seems to work fine.
> I've also mounted cephfs on a Hammer cluster (and Hammer tunable
Hi Ilya and all,
Is it safe to use kernel 3.16.7 rbd with Hammer tunables? I've tried
this on a test Hammer cluster and the client seems to work fine.
I've also mounted cephfs on a Hammer cluster (and Hammer tunables)
using
kernel 3.16. It seems to work fine (but not much testi
