> On 14 Nov 2017, at 11:28, Patrick M. Hausen <hau...@punkt.de> wrote:
>
> Hello,
>
>> Am 14.11.2017 um 10:08 schrieb Daniel Braniss <da...@cs.huji.ac.il>:
>>
>> Hi,
>> we are experimenting issues with several esxi’s servers that use freebsd
>> 10.2 stable as a iscsi target.
>> ie:
>> Nov 11 17:58:16 store-07 kernel: WARNING: 132.65.11.201
>> (iqn.1998-01.com.vmware:pe-02-2fa7cd9e): no ping reply (NOP-Out) after 5
>> seconds; dropping connection
>> Nov 11 17:58:16 store-07 kernel: WARNING: 132.65.11.201
>> (iqn.1998-01.com.vmware:pe-02-2fa7cd9e): no ping reply (NOP-Out) after 5
>> seconds; dropping connection
>> Nov 11 17:58:16 store-07 kernel: WARNING: 132.65.11.205
>> (iqn.1998-01.com.vmware:pe-03-13e8b52d): no ping reply (NOP-Out) after 5
>> seconds; dropping connection
>> Nov 11 17:58:17 store-07 kernel: WARNING: 132.65.11.203
>> (iqn.1998-01.com.vmware:pe-13-60e87d06): no ping reply (NOP-Out) after 5
>> seconds; dropping connection
>> Nov 11 17:58:17 store-07 kernel: WARNING: 132.65.11.205
>> (iqn.1998-01.com.vmware:pe-03-13e8b52d): no ping reply (NOP-Out) after 5
>> seconds; dropping connection
>>
>> these are 3 different esxis that almost at the same time the target looses
>> connection to the initiators.
>> at the moment most ‘clients’ recover from the scsi error, but older
>> freebsds don’t.
>>
>> in any case, increasing the timeout is not helping.
>>
>> any clues are welcome :-)
>>
>> over the weekend i’m planning to upgrade the target to 11.1 and take for the
>> hills.
>
> Are you using istgt or ctld?
>
> We have did experience similar occasional problems with the former
> but never with the latter.
>
> Patrick
the iscsi initiator of the esxi’s (VMware) does answer to NOP’s once in a blue
moon!
this was checked by sniffing the network.
setting kern.cam.ctl.iscsi.ping_timeout=0 solved this.
thanks,
danny
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