is possible that "TARGET_THREAD_SET_COUNT" set to 4 by module is too low
considering i have 5 cluster node accessing to Synology Storage?
Il giorno giovedì 1 febbraio 2018 20:29:11 UTC+1, juniper ha scritto:
>
> No I don't use authentication at all and all works fine, I have only tons
> of this logs..
>
> Tomorrow I'll try to trace some sessions (tcpdump) trying to debug what
> happens.
>
>
>
> Il 1 feb 2018 20:20, "The Lee-Man" ha scritto:
>
> On Wednesday, January 31, 2018 at 10:25:11 AM UTC-8, juniper wrote:
>>
>> Hi,
>>
>> i have a cluster of 5 server connected (iSCSI) with a Synology RS3617xs+
>> (10GBE interface);
>>
>> all seems working fine but on Synology i have some strange log:
>>
>> continuous:
>>
>> 2018-01-31T18:39:33+01:00 mksyn kernel:
>> iscsi_target_parameters.c:44:iscsi_login_rx_data rx_data returned 0,
>> expecting 48.
>> 2018-01-31T18:39:35+01:00 mksyn kernel:
>> iscsi_target_parameters.c:44:iscsi_login_rx_data rx_data returned 0,
>> expecting 48.
>> 2018-01-31T18:39:35+01:00 mksyn kernel:
>> iscsi_target_parameters.c:44:iscsi_login_rx_data rx_data returned 0,
>> expecting 48.
>> 2018-01-31T18:40:05+01:00 mksyn kernel: SYSTEM:Last message
>> 'iscsi_target_paramet' repeated 15 times, suppressed by syslog-ng on mksyn
>> 2018-01-31T18:40:05+01:00 mksyn kernel:
>> iscsi_target_parameters.c:44:iscsi_login_rx_data rx_data returned 0,
>> expecting 48.
>> 2018-01-31T18:40:05+01:00 mksyn kernel:
>> iscsi_target_parameters.c:44:iscsi_login_rx_data rx_data returned 0,
>> expecting 48.
>> 2018-01-31T18:40:09+01:00 mksyn kernel:
>> iscsi_target_parameters.c:44:iscsi_login_rx_data rx_data returned 0,
>> expecting 48.
>>
>>
>> and
>>
>>
>> 2018-01-31T18:42:55+01:00 mksyn kernel: [121563.213710]
>> iSCSI_F:iscsi_target_login.c:1213:iscsi_target_login_sess_out iSCSI Login
>> negotiation failed - I[10.10.200.153:48182], T[]
>> 2018-01-31T18:42:58+01:00 mksyn kernel: [121566.126965]
>> iSCSI_F:iscsi_target_login.c:1213:iscsi_target_login_sess_out iSCSI Login
>> negotiation failed - I[10.10.200.154:34932], T[]
>> 2018-01-31T18:42:59+01:00 mksyn kernel: [121567.084450]
>> iSCSI_F:iscsi_target_login.c:1213:iscsi_target_login_sess_out iSCSI Login
>> negotiation failed - I[10.10.200.151:43236], T[]
>> 2018-01-31T18:43:03+01:00 mksyn kernel: [121570.732065]
>> iSCSI_F:iscsi_target_login.c:1213:iscsi_target_login_sess_out iSCSI Login
>> negotiation failed - I[10.10.200.150:51542], T[]
>> 2018-01-31T18:43:05+01:00 mksyn kernel: [121573.008544]
>> iSCSI_F:iscsi_target_login.c:1213:iscsi_target_login_sess_out iSCSI Login
>> negotiation failed - I[10.10.200.152:42280], T[]
>> 2018-01-31T18:43:05+01:00 mksyn kernel: [121573.342183]
>> iSCSI_F:iscsi_target_login.c:1213:iscsi_target_login_sess_out iSCSI Login
>> negotiation failed - I[10.10.200.153:48186], T[]
>>
>>
>> Do you have some hints about? I contacted Synology Support but without
>> any results...
>>
>>
> Are you using CHAP? Is it set up correctly? If you are using CHAP I
> suggest disabling it (on both sides) and trying again?
>
> The "Login negotiation failed" message looks customized but is coming from
> iscsi_target_login_sess_out(), which is only called when a login fails.
> That's likely because the login is failing to read the ISCSI header (which
> is 48 bytes), as noted by the "rx_data return 0, expecting 48" message.
> So the login is failing at the initial ISCSI Header phase.
>
> Has something occurred, like systems or the target rebooting?
>
>
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