[ceph-users] rados export/import fail

2017-10-16 Thread Nagy Ákos
Hi, I want to upgrade my ceph from jewel to luminous, and switch to bluestore. For that I export the pools from old cluster: /rados export -p pool1 pool1.ceph/ and after upgrade and osd recreation: /rados --create -p pool1 import pool1.ceph/ I can import the backup without error, but when I

Re: [ceph-users] rados export/import fail

2017-10-16 Thread Nagy Ákos
Thanks, but I erase all of the data, I have only this backup. If the restore work for 3 pools, I can do it for the remainig 2? What can I try to set, to import it or how I can find this IDs? 2017. 10. 16. 13:39 keltezéssel, John Spray írta: > On Mon, Oct 16, 2017 at 11:35 AM, Nagy Ákos <

Re: [ceph-users] rados export/import fail

2017-10-16 Thread Nagy Ákos
one: > > 2017-10-16 13:18:17.404858 7f35a37fe700 -1 > librbd::image::RefreshParentRequest: failed to open parent image: (2) > No such file or directory > > That means that the parent image has a snapshot that the clone is > linked against. > > On Mon, Oct 16, 2017

Re: [ceph-users] rados export/import fail

2017-10-16 Thread Nagy Ákos
ml > > On Mon, Oct 16, 2017 at 8:11 AM, Wido den Hollander <w...@42on.com> wrote: >>> Op 16 oktober 2017 om 13:00 schreef Nagy Ákos <nagy.a...@libreoffice.ro>: >>> >>> >>> Thanks, >>> >>> but I erase all of the data, I ha

[ceph-users] set pg_num on pools with different size

2018-01-30 Thread Nagy Ákos
Hi, we have a ceph cluster with 3 cluster nodes and 20 OSD's, with 6-7-7 2 TB HDD/s per node. In long term we want to use 7-9 pools, and for 20 OSD and 8 pools I calculate that the ideal pg_num was 250 (20 * 100 / 8). In this case normally each OSD store 100 pg's, that is the recommanded. I

[ceph-users] set pg_num on pools with different size

2018-03-08 Thread Nagy Ákos
Hi, we have a ceph cluster with 3 cluster nodes and 20 OSD's, with 6-7-7 2 TB HDD/s per node. In long term we want to use 7-9 pools, and for 20 OSD and 8 pools I calculate that the ideal pg_num was 250 (20 * 100 / 8). In this case normally each OSD store 100 pg's, that is the recommanded. I