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Storage(SW)

FUSE

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https://www.redhat.com/en/technologies/storage CEPH: Provides a robust, highly scalable block, object, and filesystem storage platform for modern workloads, like cloud infrastructure and data analytics. Consistently ranked as preferred storage option by OpenStack® users. Gluster: Provides a scalable, reliable, and cost-effective data management platform, streamlining file and object access across physical, virtual, and cloud environments.
HDFS
iRODS
Ceph
GlusterFS
Lustre
Arch
Central
Central
Distributed
Decentral
Central
Naming
Index
Database
CRUSH
EHA
Index
API
CLI, FUSE
CLI, FUSE
FUSE, mount
FUSE, mount
FUSE
REST
REST
REST
Fault-detect
Fully connect.
P2P
Fully connect.
Detected
Manually
sys-avail
No-failover
No-failover
High
High
Failover
data-aval
Replication
Replication
Replication
RAID-like
No
Placement
Auto
Manual
Auto
Manual
No
Replication
Async.
Sync.
Sync.
Sync.
RAID-like
Cache-cons
WORM, lease
Lock
Lock
No
Lock
Load-bal
Auto
Manual
Manual
Manual
No

Gluster - C

software defined distributed storage that can scale to several petabytes. It provides interfaces for object, block and file storage. http://docs.gluster.org/en/latest/Quick-Start-Guide/Architecture/

Quickstart

gluster peer probe server2 # from server1
gluster peer probe server1 # from server2
# Once this pool has been established, it must be probed from the pool.
gluster peer status
mkdir -p /data/brick1/gv0 # both server1 and server2
gluster volume create gv0 replica 2 server1:/data/brick1/gv0 server2:/data/brick1/gv0 # any server
gluster volume start gv0
gluster volume info

Types of Volumes

gluster volume create test-volume \
server1:/exp1 server2:/exp2 server3:/exp3 server4:/exp4 # Distributed
replica 2 transport tcp server1:/exp1 server2:/exp2 # Replicated, w/ data redundancy
replica 2 transport tcp server1:/exp1 ... server4:/exp4 # R->D
stripe 2 transport tcp server1:/exp1 server2:/exp2 # Striped
stripe 4 transport tcp server1:/exp1 ... server8:/exp8 # S->D
stripe 2 replica 2 transport tcp server1:/exp1 ... server4:/exp4 # R->S (*)
stripe 2 replica 2 transport tcp server1:/exp1 ... server8:/exp8 # R->S->D (*)
(*) only for Map Reduce workloads
<Dispersed Volume Usable size> = <Brick size> * (#Bricks - Redundancy)
bricks#(>=3) > 2 * redundancy
[disperse [<count>]] [redundancy <count, default=auto>]
disperse 4 server{1..4}:/bricks/test-volume # Dispersed
disperse 3 server1:/brick{1..3} # Dispersed (#)
disperse 3 server1:/brick{1..6} # Distributed Dispersed (#)
(#) on the same server, add `force`
disperse-data 8 redundancy 4 transport tcp
server1:/exp/brick1 server1:/exp/brick2 server1:/exp/brick3 server1:/exp/brick4
server2:/exp/brick1 server2:/exp/brick2 server2:/exp/brick3 server2:/exp/brick4
server3:/exp/brick1 server3:/exp/brick2 server3:/exp/brick3 server3:/exp/brick4
server1:/exp/brick5 server1:/exp/brick6 server1:/exp/brick7 server1:/exp/brick8
server2:/exp/brick5 server2:/exp/brick6 server2:/exp/brick7 server2:/exp/brick8
server3:/exp/brick5 server3:/exp/brick6 server3:/exp/brick7 server3:/exp/brick8
server1:/exp/brick9 server1:/exp/brick10 server1:/exp/brick11 server1:/exp/brick12
server2:/exp/brick9 server2:/exp/brick10 server2:/exp/brick11 server2:/exp/brick12
server3:/exp/brick9 server3:/exp/brick10 server3:/exp/brick11 server3:/exp/brick12
gluster volume info test-volume
gluster volume start test-volume

RDMA(Remote direct memory access)

As of now only FUSE client and gNFS server would support RDMA transport.

Snapshots

http://docs.gluster.org/en/latest/Administrator Guide/Managing Snapshots/ GlusterFS volume snapshot feature is based on thinly provisioned LVM snapshot.

on ZFS

Ceph - C++

Ceph uniquely delivers object, block, and file storage in one unified system. A Ceph Storage Cluster consists of two types of daemons:
  • Ceph Monitor: maintains a master copy of the cluster map
  • Ceph OSD Daemon: checks its own state and the state of other OSDs and reports back to monitors.
Could not load image

Setup

STEP 1: METADATA SERVER
STEP 2: MOUNT CEPHFS

Docker

CACHE TIERING

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Snapshot

http://docs.ceph.com/docs/master/rbd/rbd-snapshot/ Ceph supports many higher level interfaces, including QEMU, libvirt, OpenStack and CloudStack. Ceph supports the ability to create many copy-on-write (COW) clones of a block device shapshot. Snapshot layering enables Ceph block device clients to create images very quickly.

UI - inkscope

https://github.com/inkscope/inkscope (with screenshots)

Rook - Go

File, Block, and Object Storage Services for your Cloud-Native Environment https://rook.github.io/docs/rook/master/kubernetes.html

IPFS

combines Kademlia + BitTorrent + Git
mountable filesystem (via FUSE)
http://ipfs.io/<path>

Backup

duplicati

https://github.com/duplicati/duplicati https://www.duplicati.com/screenshots/ Store securely encrypted backups in the cloud! Amazon S3, OneDrive, Google Drive, Rackspace Cloud Files, HubiC, Backblaze (B2), Amazon Cloud Drive (AmzCD), Swift / OpenStack, WebDAV, SSH (SFTP), FTP, and more!
Last modified 2yr ago