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    CEPH SSD are painfully slow at 33MB/Sec

    After poking around with obviously some bugs (or at least different worklflow than normal ceph) in proxmox like creating osd's which don't appear in the gui ... I placed the whole CEPH to my 10GB Network ...which means also the public part. The various books of ceph I read and also the proxmox...
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    CEPH SSD are painfully slow at 33MB/Sec

    I replaced my Switch and get much higher bandwith: Maintaining 16 concurrent writes of 4194304 bytes to objects of size 4194304 for up to 10 seconds or 0 objects Object prefix: benchmark_data_server-1_12493 sec Cur ops started finished avg MB/s cur MB/s last lat(s) avg lat(s) 0...
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    CEPH SSD are painfully slow at 33MB/Sec

    No I'm curious...I switched on all the Caches of my Raid Controller and plugged in a 1 G Switch for the public network....look what I got::confused::confused::cool: rados bench -p VM 10 rand --no-cleanup hints = 1 sec Cur ops started finished avg MB/s cur MB/s last lat(s) avg lat(s)...
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    CEPH SSD are painfully slow at 33MB/Sec

    @Alvin I know that diagram but actually I do not know what you try to tell me ? @udo Yes, I have enabled the performance mode @all Here is an output of a 3 Tier Ceph cluster without a separate clusternetwork, only 1G Nics, consumer grade HDD's (1 OSD per Node) and each server is on a...
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    CEPH SSD are painfully slow at 33MB/Sec

    I have to use raid-0 but disabled the cache. My CPU info in my 1st post is misleading...actually each server has 2 CPU's and each CPU hast 8 cores, with HT that 32 cores per server....should be more than enough. Kernel stands on performance regarding the CPU's. rados bench -p CePH-VM 10...
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    CEPH SSD are painfully slow at 33MB/Sec

    Hello I've some performance issues with my Proxmox Cluster. I use 3* DELL R620 Server with 2 * 2.6 GHZ XEONs and each server has its own dual port 10G Mellanox 3rd gen NIC for CEPH with a MTU of 9000, the 3 servers are directly connected (no 10G Switch for ceph). The setup is simple (used as a...

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