iscsi and scsi reset

2008-02-11 Thread Anthony C
I read posts about 6 months to a year ago that scsi resets like those done by "sg_reset [-b] | [-d]" are not translate/convert to any equivalent in iscsi. Is this still true? Especially for iscsi 2.0.865 (in RHEL5 U1) and iscsi 2.0.754 (in SLES10 SP1), when I did sg_reset -d, I don't see any for

I/O hang on SLES10 SP2 with Device-Mapper

2008-11-19 Thread Anthony C
I am running heavy load test to an array connected to SLES10 SP2 system (2.6.16.60-0.21) using open-iscsi and device-mapper multipath that comes with the distro. The test from time to time will also inititate lun reset. For whatever reason, after couple hours I/O would just hang on a path. And i

Re: I/O hang on SLES10 SP2 with Device-Mapper

2008-11-20 Thread Anthony C
On Nov 19, 2:24 pm, Mike Christie <[EMAIL PROTECTED]> wrote: > Anthony C wrote: > > I am running heavy load test to an array connected to SLES10 SP2 > > system (2.6.16.60-0.21) using open-iscsi and device-mapper multipath > > that comes with the distro. > >

Re: I/O hang on SLES10 SP2 with Device-Mapper

2008-11-20 Thread Anthony C
On Nov 20, 11:20 am, Mike Christie <[EMAIL PROTECTED]> wrote: > Anthony C wrote: > > Once the hanging occurred, I can leave it for days and it will still > > be hanging.  And I haven't seen above iSCSI States or Lun State change > > meanwhile. > > &g

Re: I/O hang on SLES10 SP2 with Device-Mapper

2008-11-20 Thread Anthony C
On Nov 20, 2:59 pm, Anthony C <[EMAIL PROTECTED]> wrote: > On Nov 20, 11:20 am, Mike Christie <[EMAIL PROTECTED]> wrote: > > > Anthony C wrote: > > > Once the hanging occurred, I can leave it for days and it will still > > > be hanging.  And I haven

Re: Oops during target login SLES 10 SP2 multipath and shared volumes

2008-12-03 Thread Anthony C
I did open bugzilla for my I/O hang problem and sent over some data. Hannes is helping. Anthony On Wed, Dec 3, 2008 at 9:10 AM, Mike Christie <[EMAIL PROTECTED]> wrote: > Sorry for the lack of update on this. When it is SLES it is harder for me > to debug, because I do not know what is in there