Re: [ceph-users] After flattening the children image, snapshot still can not be unprotected

Yes, It seems the problem was caused by cloning image without deep-flatten feature. 在 2015年11月19日 23:13, Jason Dillaman 写道: Does child image "images/0a38b10d-2184-40fc-82b8-8bbd459d62d2" have snapshots? ___ ceph-users mailing list

[ceph-users] After flattening the children image, snapshot still can not be unprotected

features: layering, striping stripe unit: 4096 kB stripe count: 1 What's the problem? Regards, Jackie ___ ceph-users mailing list ceph-users@lists.ceph.com http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com

Re: [ceph-users] Can snapshot of image still be used while flattening the image?

Got it, thanks. 在 2015年11月05日 00:39, Jason Dillaman 写道: Yes, you can still use snapshot2 to clone the new image while a flatten is in-progress. The parent/clone relationships form a chain, so when the flatten completes image2 will be disassociated from its parent. Also, when the flatten

[ceph-users] Can snapshot of image still be used while flattening the image?

Hi experts, I have rbd images and snapshots as following: image1 - > snapshot1(snapshot for image1) -> image2(cloned from snapshot1) -> snapshot2 (snapshot for image2), During I flatten the image2, can I still use snapshot2 to clone new image? Regard

[ceph-users] randwrite iops of rbd volume in kvm decrease after several hours with qemu threads and cpu usage on host increasing

: rw=randwrite direct=1 numjobs=64 ioengine=sync bsrange=4k-4k runtime=180 The version of some packages are as following: ceph: 0.94.3 qemu-kvm: 2.1.2 host kernel: 3.10 What's maybe the problem? Appreciate for any help. Best Regards, Jackie ___ ceph