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- 3 nodes each with:
- first gen i3 cpu, 4GB RAM
- Ubuntu 12.04 Os is installed in a 8GB flash drive
- all gigabit interfaces
- eth0: 10.2.0.0/24 network for cluster
- eht1: 10.1.0.0/24 network for public
- Each node has 3 OSD:
- 3x1TB Drives, I tested their raw write speed of a little over 100MB/sec
- Journals is on the same drive as the OSD. NO SSDs are used.
- Here is the test i have done for ceph:
- Mounting a RBD and perfoming copy inside the RBD folder
- Command will write a 1GB file:
- dd if=/dev/zero of=here bs=1G count=1 oflag=direct
- 1+0 records in
- 1+0 records out
- 1073741824 bytes (1.1 GB) copied, 33.4544 s, 32.1 MB/s
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