Thanks. I was looking for more granular error reporting (i.e., iscsi session X failed at Y / iscsi session X had Y errors between time A and time B)
On Sep 10, 11:24 pm, "Ulrich Windl" <ulrich.wi...@rz.uni- regensburg.de> wrote: > On 10 Sep 2009 at 10:53, solidguy wrote: > > > > > Is there a good way to monitor the iscsi sessions for errors? I need > > to report it via SNMP (and perhaps kill the VM running over the > > connection). Right now the only way I see is to monitor syslog -- but > > the syslog doesn't always give me which session (or disk) is in > > trouble. > > Maybe something like "netstat -s"? For those who don't know, here's an > example of > "netstat -s" in HP-UX (partial output only): > > netstat -s > tcp: > 2230243561 packets sent > 2219104628 data packets (2507019105755 bytes) > 733 data packets (583009 bytes) retransmitted > 7150563 ack-only packets (3941611 delayed) > 3465 URG only packets > 271750 window probe packets > 52973 window update packets > 3992851 control packets > 1443289314 packets received > 1362450977 acks (for 2507016701224 bytes) > 596 duplicate acks > 0 acks for unsent data > 646031312 packets (160540170224 bytes) received in-sequence > 0 completely duplicate packets (0 bytes) > 6499 packets with some dup data (1092308 bytes duped) > 6499 out of order packets (545964 bytes) > 0 packets (0 bytes) of data after window > 271750 window probes > 782772 window update packets > 18729 packets received after close > 0 segments discarded for bad checksum > 0 bad TCP segments dropped due to state change > 1193488 connection requests > 671426 connection accepts > 1864914 connections established (including accepts) > 2601445 connections closed (including 774164 drops) > 717930 embryonic connections dropped > 1361096509 segments updated rtt (of 1361096509 attempts) > 322 retransmit timeouts > 3 connections dropped by rexmit timeout > 271750 persist timeouts > 308419 keepalive timeouts > 306875 keepalive probes sent > 0 connections dropped by keepalive > 0 connect requests dropped due to full queue > 718236 connect requests dropped due to no listener > 0 suspect connect requests dropped due to aging > 0 suspect connect requests dropped due to rate > udp: > 0 incomplete headers > 0 bad checksums > 0 socket overflows > ip: > 877280934 total packets received > 0 bad IP headers > 0 fragments received > 0 fragments dropped (dup or out of space) > 0 fragments dropped after timeout > 0 packets forwarded > 0 packets not forwardable > icmp: > 21109 calls to generate an ICMP error message > 0 ICMP messages dropped > Output histogram: > echo reply: 6213 > destination unreachable: 14896 > source quench: 0 > routing redirect: 0 > echo: 0 > time exceeded: 0 > parameter problem: 0 > time stamp: 0 > time stamp reply: 0 > address mask request: 0 > address mask reply: 0 > 0 bad ICMP messages > Input histogram: > echo reply: 31569 > destination unreachable: 14582 > source quench: 0 > routing redirect: 1 > echo: 6213 > time exceeded: 0 > parameter problem: 0 > time stamp request: 0 > time stamp reply: 0 > address mask request: 0 > address mask reply: 0 > 6213 responses sent > [...] > > > > > Thanks > > -- > > solidguy > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "open-iscsi" group. To post to this group, send email to open-iscsi@googlegroups.com To unsubscribe from this group, send email to open-iscsi+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/open-iscsi -~----------~----~----~----~------~----~------~--~---
