Hello everyone,
I came to Ceph from ZFS world. In ZFS I can use snapshots as backup way. Keep
it localy or send to another server/pool.
Is it possible to do it the same using Ceph?
Right now in my cluster I use RBD and CephFS.
RBD data structure:
Ceph pools
pool proxmox_metadata Rep SSD
pool proxmox_data EC SSD
storage.cfg
rbd: ceph_rbd
content images
data-pool proxmox_data
pool proxmox_metadata
Ceph pools
pool proxmox_data_1_ssd_other_hdd R 1 SSD 2 HDD
storage.cfg
rbd: ceph_rbd_1ssd_hdd
content images
pool proxmox_data_1_ssd_other_hdd
CephFS data structure:
Ceph pools
pool cephfs_metadata Rep SSD
pool cephfs_data Rep SSD
pool web_data EC SSD
pool db_data EC SSD
pool data EC HDD
# ceph fs ls
name: cephfs, metadata pool: cephfs_metadata, data pools: [cephfs_data
web_data db_data data ]
subvolumegroup | data_pool | subvolume
home | web_data | nmz
....
db | db_data | sql
persoanl | data | Video
....
As you can see subvolumes use specific ceph pools. For every subvolume I use
snapshots.
Ceph backup server will work in cold mode, single node, not 24/7.
What is the best way to send data to backup server ?
I want to use incremental backup sync. Can I achieve it ?
Thanks
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