Hi everyone
I'm currently using cluster of 3 servers:
1. R640
2 x Gold 6154
256GB RAM
2. R640
2 x Gold 6154
256GB RAM
3. R630
2 x E5-2680
128GB RAM
I have ceph with SAS SSD Enterprise (2 x 1,92TB each)
I have few VM's on this cluster, but main one is Windows 11 VM with SQL server for our software. Ceph itself is doing ok, automatic failover, etc. but I have 2 big issues:
1. Very slow operation (below is CrystalDiskMark screenshot)
2. During period backup on this VM SQL can crash or even whole VM goes dark.
What could be the issue here?
For ceph I have dedicated 10Gb NIC (independent network)
Disks are SCSI, cache writeback
I'm currently using cluster of 3 servers:
1. R640
2 x Gold 6154
256GB RAM
2. R640
2 x Gold 6154
256GB RAM
3. R630
2 x E5-2680
128GB RAM
I have ceph with SAS SSD Enterprise (2 x 1,92TB each)
I have few VM's on this cluster, but main one is Windows 11 VM with SQL server for our software. Ceph itself is doing ok, automatic failover, etc. but I have 2 big issues:
1. Very slow operation (below is CrystalDiskMark screenshot)
2. During period backup on this VM SQL can crash or even whole VM goes dark.
What could be the issue here?
For ceph I have dedicated 10Gb NIC (independent network)
Disks are SCSI, cache writeback