ISCSI slow to read from DELL MD3000i

[Danny Braniss]

> Danny Braniss wrote:
> >> Danny Braniss wrote:
> >>     
> >>>> Danny Braniss wrote:
> >>>>     
> >>>>         
> >>>>> wups, didn't read all your mail, sorry,
> >>>>> try increasing tht tag opening, in the config file add
> >>>>> 	tag = 64
> >>>>> for example, or via camcontrol
> >>>>>
> >>>>> danny
> >>>>>   
> >>>>>       
> >>>>>           
> >>>> I modify my iscsi.conf by adding tags = 64 (and no tag). Now works fine, 
> >>>> about 43MB/s. Thank You very match.
> >>>>
> >>>>         
> > RTFM :-)
> >
> > [...]
> > danny
> >   
> In last 2-3 months I searched the (F) manual, but I didn't find any! 
> Where is the manual?...
> 

man -k iscsi
iscontrol(8)             - login/negotiator/control for an iSCSI initiator 
session
iscsi.conf(5)            - key options to be negotiated in an iSCSI session
iscsi_initiator(4)       - kernel driver for the iSCSI protocol
iscsi-target(8)          - service remote iSCSI requests
targets(5)               - configuration file for iSCSI targets

> In this week I did many tests on ISCSI and found another problem with 
> slow writing. I created 7 virtual disk on my NAS server. The first 4 
> disks (/dev/da0 - /dev/da3) work fine, the other 3 (/dev/da4 - /dev/da6) 
> are slow.
> I found this depends from parameter ISCSI_MAX_LUNS defined in file 
> iscsi.h, set 4. I tried to increase this value, but with all values 
> higher of 4 the initiator prints error:
> iscontrol[602]: ISCSIGETCAM failed: 25
> 
did you recompile the driver?

> Is it possible to manage more than 4 disk without degrading the performance?
> 
are you sure that da4,5,6 actually are disks? they might be just files ...
ls -ls /dev/da? 

> Thanks in advance.
> 

chiao :-)

	danny


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> Sossi Andrej
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