RE: Linux iscsi performance, multipath issue

2008-12-10 Thread Ulrich Windl
On 9 Dec 2008 at 2:24, [EMAIL PROTECTED] wrote: 2) our next problem is multipath. When we configure multipath, over one NIC with dd we get 90 MBps read, but over 2 NICs just 80 MBps what is strange. On switch and SAN we see that data flow is over both NICs, but dd shows still 80

Debian lenny, OpeniSCSI 2.0.870~rc3-0.3 problem

2008-12-10 Thread Lars Schimmer
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Hi! In trying to get iSCSI running here, I stumble upon problems.. I upgraded my system to a recent 2.6.26 kernel from debian and the open-iSCSO package 2.0.870~rc3-0.3 from debian. But it keeps failing to start iSCSI, syslog tells me: Dec 10

Re: [PATCH untested] iscsi_tcp: Neat picking on code to make it more clear

2008-12-10 Thread Boaz Harrosh
Mike Christie wrote: Boaz Harrosh wrote: A buffer following an header, in case of a linear allocation can be get at by simply doing header_pointer + 1; I got this part, and it looks nicer. In any way below code loads a local pointer which is never used. I did not get this part. Do

Re: Frequent Connection Errors with Dell Equallogic RAID

2008-12-10 Thread Pasi Kärkkäinen
On Wed, Dec 10, 2008 at 12:45:04PM +0100, Ulrich Windl wrote: On 8 Dec 2008 at 17:52, Pasi Kärkkäinen wrote: iscsiadm -m session -P3 Hi, being curious: My version if iscsiadm (version 2.0-754) doesn't know about the - P3. What ist it expected to do? It just prints more

Re: Frequent Connection Errors with Dell Equallogic RAID

2008-12-10 Thread zhaoyuqiang
Hi, Someone solved the issue like this with running opensuse10.3. you can try download source code from http://www.open-iscsi.org/bits/ open-iscsi-2.0-865.13.tar.gzhttp://www.open-iscsi.org/bits/open-iscsi-2.0-865.13.tar.gz and complie for Ubuntu, it's like scsi_transport_iscsi 2.0-724 has some

Re: [PATCH untested] iscsi_tcp: Neat picking on code to make it more clear

2008-12-10 Thread Mike Christie
Boaz Harrosh wrote: Mike Christie wrote: Boaz Harrosh wrote: A buffer following an header, in case of a linear allocation can be get at by simply doing header_pointer + 1; I got this part, and it looks nicer. In any way below code loads a local pointer which is never used. I did not get

Re: Frequent Connection Errors with Dell Equallogic RAID

2008-12-10 Thread Mike Christie
Ulrich Windl wrote: On 8 Dec 2008 at 17:52, Pasi Kärkkäinen wrote: iscsiadm -m session -P3 Hi, being curious: My version if iscsiadm (version 2.0-754) doesn't know about the - P3. What ist it expected to do? In older versions you might be able to do iscsiadm -m session -i This

Re: Linux iscsi performance, multipath issue

2008-12-10 Thread zhaoyuqiang
I would like think you can use many dd proc for testingand test dd use raw device, can u give more infomation about multipath -ll -v3, iscsi connection status in testing and NIC ip address and topology ? and like iostat -x -d 2008/12/10 Ulrich Windl [EMAIL PROTECTED] On 9 Dec 2008 at

Help with Dell MD3000i, snapshots, and CentOS 5.2

2008-12-10 Thread Scott R. Ehrlich
I have a Dell MD3000i connected to a PowerEdge 2950 server running out-of-box CentOS 5.2 64-bit, unpatched, on an isolated test LAN. I also purchased the snapshot premium feature. Using the included Modular Disk Storage Manager, I successfully activated the premium feature, and manually

Re: Frequent Connection Errors with Dell Equallogic RAID

2008-12-10 Thread Evan Broder
zhaoyuqiang wrote: Hi, Someone solved the issue like this with running opensuse10.3. you can try download source code from http://www.open-iscsi.org/bits/open-iscsi-2.0-865.13.tar.gz http://www.open-iscsi.org/bits/open-iscsi-2.0-865.13.tar.gz and complie for Ubuntu, it's like

Re: Debian lenny, OpeniSCSI 2.0.870~rc3-0.3 problem

2008-12-10 Thread Mathias Gug
Hi Lars, On Wed, Dec 10, 2008 at 02:05:37PM +0100, Lars Schimmer wrote: I upgraded my system to a recent 2.6.26 kernel from debian and the open-iSCSO package 2.0.870~rc3-0.3 from debian. But it keeps failing to start iSCSI, syslog tells me: Dec 10 13:58:48 phobos iscsid: Missing or Invalid

Re: Frequent Connection Errors with Dell Equallogic RAID

2008-12-10 Thread Paul Koning
Evan == Evan Broder [EMAIL PROTECTED] writes: Evan Looking at the RAID configuration, we have the Group IP Evan address set to 10.5.128.128, and the member NIC's IP address Evan set to 10.5.128.129. The persistent portal os 10.5.128.128 on Evan all four servers, and the current portal is

Re: Debian lenny, OpeniSCSI 2.0.870~rc3-0.3 problem

2008-12-10 Thread Norbert Tretkowski
Am Wed, 10 Dec 2008 14:05:37 +0100 schrieb Lars Schimmer: Problem of my system or general, does somebody know? http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=508351 Norbert --~--~-~--~~~---~--~~ You received this message because you are subscribed to

Login failure

2008-12-10 Thread Jesse Butler
Not sure what we changed, but we're having failures logging into our iSER target now with RHEL 5.2 / OFED 1.3 initiator which has been working. Login session [iiser: iser_connect:connecting to: 10.8.0.112, port 0xbc0c face: default, target: iqn.1986-iser: iser_cma_handler:event 0 conn

was [Re: Login failure]: iSer login failure

2008-12-10 Thread Mike Christie
For iser questions you should stick something about iser in the subject, because I do not think the iser guys read every email on the list. I added Eli and Or. Jesse Butler wrote: Not sure what we changed, but we're having failures logging into our iSER target now with RHEL 5.2 / OFED 1.3

RE: Help with Dell MD3000i, snapshots, and CentOS 5.2

2008-12-10 Thread Scott R. Ehrlich
Hi Shyam: Yes, I've seen that pdf before. Unfortunately, none of the documentation I have, nor none of exploration of mdsm, has led me to the answers, hence my emails to this list. It is all high-level. I'm aiming for specifics. I think once I have answers to the simple request of how to

Re: was [Re: Login failure]: iSer login failure

2008-12-10 Thread Jesse Butler
On Dec 10, 2008, at 11:47 AM, Mike Christie wrote: For iser questions you should stick something about iser in the subject, because I do not think the iser guys read every email on the list. I added Eli and Or. Ah, OK. Thanks! Jesse Butler wrote: Not sure what we changed, but

Re: Debian lenny, OpeniSCSI 2.0.870~rc3-0.3 problem

2008-12-10 Thread Mike Christie
Mathias Gug wrote: Hi Lars, On Wed, Dec 10, 2008 at 02:05:37PM +0100, Lars Schimmer wrote: I upgraded my system to a recent 2.6.26 kernel from debian and the open-iSCSO package 2.0.870~rc3-0.3 from debian. But it keeps failing to start iSCSI, syslog tells me: Dec 10 13:58:48 phobos