Re: Network very very slow... was iSCSI and jumbo frames

[BERTRAND Joël <joel.bertrand%systella.fr@localhost>]

Michael van Elst a écrit :
> On Mon, Feb 08, 2021 at 11:40:43AM +0100, BERTRAND Joël wrote:
>> Michael van Elst a écrit :
>>> For the "dd"-test of iSCSI, use the raw devices (not block devices,
>>> not files in a filesystem) and a block size of 1MB. Only if that
>>> works ok, it makes sense to look at filesystem I/O, i.e. your /opt
>>> filesystem.
>>
>> 	If I do that in write mode, I suppose I will kill filesystem on
>> /dev/rdk5, isn't it ?
> 
> Definitely.
> 
> You need a test volume for a write test.

	I'm not sure I have spare disks enough to be in the same configuration.
That's being said, I'm upgrading a Linux box to install istgt to do some
tests.