Re: Tuning iSCSI between Linux and NetAPP

2009-04-15 Thread Frank Bonnet
Dmitry Yusupov wrote: Hi Frank, Hi Dimitri May I also suggest an alternative for iSCSI target? We had a very good experience with open-iscsi and NexentaStor [1]. At the beginning we had problems with single-threaded traffic latency but the ultimate fix was on Linux side to ensure

Re: Tuning iSCSI between Linux and NetAPP

2009-04-15 Thread Frank Bonnet
By default the filer has these iscsi (Ontap 7.3.1) values set iscsi.enable on iscsi.isns.rev 22 iscsi.max_connections_per_session use_system_default iscsi.max_error_recovery_level use_system_default jnantel wrote: I use a netapp filer...where are these values

Re: Tuning iSCSI between Linux and NetAPP

2009-04-14 Thread benoit plessis
First i would ask why the hell ? The netapp filer is a very good CIFS/SMB share server. Using it as an iSCSI target -- which is not is primary function (netapp filer are more NAS than SAN) -- will only create limitations (unable to resize volume on the fly, unable to use wafl attributes to store

Re: Tuning iSCSI between Linux and NetAPP

2009-04-14 Thread Frank Bonnet
benoit plessis wrote: First i would ask why the hell ? The netapp filer is a very good CIFS/SMB share server. Using it as an iSCSI target -- which is not is primary function (netapp filer are more NAS than SAN) -- will only create limitations (unable to resize volume on the fly, unable

Re: Tuning iSCSI between Linux and NetAPP

2009-04-14 Thread jnantel
I use a netapp filer...where are these values set? Host or Array? iscsi.iswt.max_ios_per_session 64 iscsi.max_connections_per_session 16 iscsi.max_ios_per_session64 On Apr 14, 6:40 am, benoit plessis plessis.ben...@gmail.com wrote: First i would ask why the hell ? The netapp filer is a

Re: Tuning iSCSI between Linux and NetAPP

2009-04-14 Thread Bart Van Assche
On Tue, Apr 14, 2009 at 7:09 PM, Dmitry Yusupov dmitry_...@yahoo.com wrote: NexentaStor also is very good candidate for CIFS workgroups/AD environments with the whole SMB stack implemented in the kernel, which boosts performance over the top. And as far as iSCSI target - I would recommend to