Hi, all
We have an online server which uses multipath + iscsi to attach storage
from Storage Server. There are two NICs on the server and for each it
carries about 20 iscsi sessions and for each session it includes about 50
iscsi devices (yes, there are totally about 2*20*50=2000 iscsi block devi
On 2/15/22 9:49 AM, Zhengyuan Liu wrote:
> Hi, all
>
> We have an online server which uses multipath + iscsi to attach storage
> from Storage Server. There are two NICs on the server and for each it
> carries about 20 iscsi sessions and for each session it includes about 50
> iscsi devices (yes,
On Wed, Feb 16, 2022 at 12:31 AM Mike Christie
wrote:
>
> On 2/15/22 9:49 AM, Zhengyuan Liu wrote:
> > Hi, all
> >
> > We have an online server which uses multipath + iscsi to attach storage
> > from Storage Server. There are two NICs on the server and for each it
> > carries about 20 iscsi sessio
Hello,
Something else to check is your MPIO configuration. I have seen this
same symptom when the linux MPIO feature "queue_if_no_path" was enabled
From the /etc/multipath.conf file showing it enabled.
failbackimmediate
features"1 queue_if_no_path"
A
On 2/15/22 7:28 PM, Zhengyuan Liu wrote:
> On Wed, Feb 16, 2022 at 12:31 AM Mike Christie
> wrote:
>>
>> On 2/15/22 9:49 AM, Zhengyuan Liu wrote:
>>> Hi, all
>>>
>>> We have an online server which uses multipath + iscsi to attach storage
>>> from Storage Server. There are two NICs on the server an
On 2/15/22 8:19 PM, michael.chris...@oracle.com wrote:
> On 2/15/22 7:28 PM, Zhengyuan Liu wrote:
>> On Wed, Feb 16, 2022 at 12:31 AM Mike Christie
>> wrote:
>>>
>>> On 2/15/22 9:49 AM, Zhengyuan Liu wrote:
Hi, all
We have an online server which uses multipath + iscsi to attach stor
Hi, Mike,
Sorry for the delayed reply since I have no environment to check your
bellow patcheset untile recently
https://lore.kernel.org/all/20220226230435.38733-1-michael.chris...@oracle.com/
After applied those series, the total time has dropped from 80s to
nearly 10s, it's a great improvemen