Re: I/O Stall Patches

2009-08-26 Thread Mike Christie
ByteEnable wrote: Hi Hannes, Mike. I've noticed that Hannes has been working a I/O stall issue and has created some patches. I'm curious because I'm seeing some I/O stall when I'm logged in to multiple targets. Is there a way to detect the signature of the I/O stall which Hannes is

transport classes vs binary interfaces

2009-08-26 Thread Mike Christie
Hi, For the transport classes we have been providing a common interface to get transport specific values. For example, for all iscsi drivers we can get the target name in sysfs or for FC we can get the node name in a common place in sysfs. Or we can get transport events via the classes

Re: I/O Stall Patches

2009-08-26 Thread ByteEnable
On Aug 26, 4:19 pm, Mike Christie micha...@cs.wisc.edu wrote: ByteEnable wrote: Hi Hannes, Mike. I've noticed that Hannes has been working a I/O stall issue and has created some patches.  I'm curious because I'm seeing some I/O stall when I'm logged in to multiple targets.  Is there a

Re: I/O Stall Patches

2009-08-26 Thread Mike Christie
On 08/26/2009 07:58 PM, ByteEnable wrote: On Aug 26, 4:19 pm, Mike Christiemicha...@cs.wisc.edu wrote: ByteEnable wrote: Hi Hannes, Mike. I've noticed that Hannes has been working a I/O stall issue and has created some patches. I'm curious because I'm seeing some I/O stall when I'm logged

Re: I/O Stall Patches

2009-08-26 Thread ByteEnable
On Aug 26, 9:09 pm, Mike Christie micha...@cs.wisc.edu wrote: On 08/26/2009 07:58 PM, ByteEnable wrote: On Aug 26, 4:19 pm, Mike Christiemicha...@cs.wisc.edu  wrote: ByteEnable wrote: Hi Hannes, Mike. I've noticed that Hannes has been working a I/O stall issue and has created some

Re: I/O Stall Patches

2009-08-26 Thread ByteEnable
On Aug 26, 9:20 pm, ByteEnable byteena...@gmail.com wrote: On Aug 26, 9:09 pm, Mike Christie micha...@cs.wisc.edu wrote: On 08/26/2009 07:58 PM, ByteEnable wrote: On Aug 26, 4:19 pm, Mike Christiemicha...@cs.wisc.edu  wrote: ByteEnable wrote: Hi Hannes, Mike. I've noticed