[ewg] Re: [Stgt-devel] Update (Re: open iSCSI over iSER target RPM ...)

[FUJITA Tomonori]

On Thu, 07 Feb 2008 11:05:03 -0500
Joe Landman <landman at scalableinformatics.com> wrote:

> Update:
> 
> [root at woody etc]# dd if=/dev/zero of=/big/local.file bs=256k count=100000
> 100000+0 records in
> 100000+0 records out
> 26214400000 bytes (26 GB) copied, 58.7484 seconds, 446 MB/s
> 
> Better. I rebuilt OFED 1.2.5.5.  Are there specific recommended tuning 
> guides for iSER?  Backing store in this case are real disks, and we can 
> sink/source >750 MB/s on them, so I am not worried about disk IO 
> bottlenecks, more worried about bad config of iSCSI/iSER.
> 
> BTW:  the 2TB LUN limit I asked about is still here in this code.  Same 
> machines (initiator and target) used for SRP reported correct LUN sizes. 
>   Here we are using the -868 open-iscsi initiator, and the tgt RPM 
> announced.  I would like to dig into this.

Thanks a lot,

I thought that I tested tgt with >2TB devices but seems that I
didn't. I'll try to fix the problem shortly.