Cinder driver for znstord daemon

Example cinder configuration

[znstor]
znstor_domain = default
znstor_pool = tank
znstor_project = openstack
quota = 5120
thin_volumes = True
compression = lz4
oversubs_ratio = 100
management_addr = 172.30.50.82:10987
portal_addr = 172.30.50.82:3260
portal_iqn = iqn.2017-06.znstor.io:01:981dbd97c5c7
target_group = tank-tg2
znstor_user = znstor
znstor_password = znstor
volume_driver=cinder.volume.drivers.znstor.znstiscsi.ZNSTORISCSIDriver

• znstor_domain - domain name which represents as first filesystem within zpool (ex: tank/mydomain). Different domains my bellong to different organizations;
• znstor_pool - zfs pool in which domain and project is located;
• znstor_project - project in which cinder volumes is located;
• qouta - project quota in gigabytes;
• thin_volumes - create thin or thick volumes;
• compression - enable / disable compression;
• oversubs_ratio - oversubscription ratio;
• management_addr - znstor managment address;
• portal_addr - iscsi target portal address, including port;
• portal_iqn - iscsi target iqn;
• target_group - iscsi target group;
• znstor_user - znstor user;
• znstor_password - znstor password;
• volume_driver - volume driver.

TODO

• volume migration
• image to volume / volume to image
• backup