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Slow backup performance
Hi all
We've got several problems with VMware backup hotadd mode with Commvault
Backup performance is about less 60 Gb/min
In vmkerel.log we've found these entries
2016-05-04T10:01:24.612Z cpu17:32870)[bnx2x_alloc_rx_sge:734(vmnic0)]Can't alloc sge 2016-05-04T10:01:24.612Z cpu17:32870)[bnx2x_esx_init_rx_ring:1944(vmnic0)]was only able to allocate 0 rx sges 2016-05-04T10:01:24.612Z cpu17:32870)[bnx2x_esx_init_rx_ring:1946(vmnic0)]disabling TPA for queue[4] 2016-05-04T10:01:24.633Z cpu17:32870)[bnx2x_dynamic_alloc_rx_queue_single:789(vmnic0)]Could not start queue:4 2016-05-04T10:01:24.715Z cpu31:32870)[bnx2x_alloc_rx_sge:734(vmnic3)]Can't alloc sge 2016-05-04T10:01:24.715Z cpu31:32870)[bnx2x_esx_init_rx_ring:1944(vmnic3)]was only able to allocate 0 rx sges 2016-05-04T10:01:24.715Z cpu31:32870)[bnx2x_esx_init_rx_ring:1946(vmnic3)]disabling TPA for queue[2] 2016-05-04T10:01:24.736Z cpu27:32870)[bnx2x_dynamic_alloc_rx_queue_single:789(vmnic3)]Could not start queue:2 2016-05-04T10:01:29.614Z cpu24:32870)[bnx2x_alloc_rx_sge:734(vmnic0)]Can't alloc sge 2016-05-04T10:01:29.614Z cpu24:32870)[bnx2x_esx_init_rx_ring:1944(vmnic0)]was only able to allocate 0 rx sges 2016-05-04T10:01:29.614Z cpu24:32870)[bnx2x_esx_init_rx_ring:1946(vmnic0)]disabling TPA for queue[4] 2016-05-04T10:01:29.635Z cpu22:32870)[bnx2x_dynamic_alloc_rx_queue_single:789(vmnic0)]Could not start queue:4 2016-05-04T10:01:29.718Z cpu19:32870)[bnx2x_alloc_rx_sge:734(vmnic3)]Can't alloc sge 2016-05-04T10:01:29.718Z cpu19:32870)[bnx2x_esx_init_rx_ring:1944(vmnic3)]was only able to allocate 0 rx sges 2016-05-04T10:01:29.718Z cpu19:32870)[bnx2x_esx_init_rx_ring:1946(vmnic3)]disabling TPA for queue[2]
If we use windows backup from guest VM, backup runs about 120MB/s
Any suggestion?
Thanks
Matteo