Hello,
I need some advise in sorting out the weird issue: dtrace works fine for 3
servers, but doesn't on the 4th one.
I'm tracing iscsi initiators activity with it. As everybody knows, dtrace
doesn't work out of the box for comstar, only after copying iscsi.d into
/usr/lib/dtrace/ from another server.
It's copied but still no luck. Is there is a way to figure out why it doesn't
work on this particular server which is a clone of others?
#uname -a
SunOS zsan03 5.11 snv_118 i86pc i386 i86pc Solaris
#dtrace -n 'iscsi:::data-* { @[probename] = sum(args[1]->ii_datalen); }'
dtrace: description 'iscsi:::data-* ' matched 5 probes
#dtrace -l -n 'iscsi*:::'
ID PROVIDER MODULE FUNCTION NAME
9048 iscsi iscsit iscsit_op_scsi_cmd xfer-done
9049 iscsi iscsit iscsit_op_scsi_cmd xfer-start
9050 iscsi iscsit iscsit_op_scsi_cmd
scsi-command
9056 iscsi idm idm_so_buf_rx_from_ini xfer-start
9057 iscsi idm idm_so_buf_tx_to_ini xfer-start
9058 iscsi idm idm_sotx_thread xfer-done
9059 iscsi idm idm_so_buf_tx_to_ini xfer-done
9060 iscsi idm idm_so_rx_dataout xfer-done
9061 iscsi idm idm_so_free_task_rsrc xfer-done
9065 iscsi idm idm_pdu_rx
login-command
9066 iscsi idm idm_pdu_rx
logout-command
9067 iscsi idm idm_pdu_rx_forward_ffp
data-receive
9068 iscsi idm idm_pdu_rx
data-receive
9069 iscsi idm idm_pdu_rx_forward_ffp
task-command
9070 iscsi idm idm_pdu_rx
task-command
9071 iscsi idm idm_pdu_rx_forward_ffp nop-receive
9072 iscsi idm idm_pdu_rx nop-receive
9073 iscsi idm idm_pdu_rx_forward_ffp
text-command
9074 iscsi idm idm_pdu_rx
text-command
9075 iscsi idm idm_pdu_tx
login-response
9076 iscsi idm idm_pdu_tx
logout-response
9077 iscsi idm idm_pdu_tx async-send
9078 iscsi idm idm_pdu_tx
scsi-response
9079 iscsi idm idm_pdu_tx
task-response
9080 iscsi idm idm_so_send_buf_region data-send
9081 iscsi idm idm_pdu_tx data-send
9082 iscsi idm idm_pdu_tx
data-request
9083 iscsi idm idm_pdu_tx nop-send
9084 iscsi idm idm_pdu_tx
text-response
Thanks in advance,
Roman
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