Re: getting I/O errors in super_written()...any ideas what would cause this?

2012-12-08 Thread James Bottomley
On Thu, 2012-12-06 at 12:15 -0600, Chris Friesen wrote: On 12/05/2012 03:20 AM, James Bottomley wrote: On Tue, 2012-12-04 at 16:00 -0600, Chris Friesen wrote: As another data point, it looks like we may be doing a SEND DIAGNOSTIC command specifying the default self-test in addition to the

Re: getting I/O errors in super_written()...any ideas what would cause this?

2012-12-06 Thread Chris Friesen
On 12/05/2012 03:20 AM, James Bottomley wrote: On Tue, 2012-12-04 at 16:00 -0600, Chris Friesen wrote: As another data point, it looks like we may be doing a SEND DIAGNOSTIC command specifying the default self-test in addition to the background short self-test. This seems a bit risky and

Re: getting I/O errors in super_written()...any ideas what would cause this?

2012-12-06 Thread Chris Murphy
On Dec 6, 2012, at 11:15 AM, Chris Friesen chris.frie...@genband.com wrote: So it turns out that our problems are intermittently triggered when running the default self test. This agrees with the statement in sg_senddiag to not do foreground self-tests on disks with mounted filesystems.

Re: getting I/O errors in super_written()...any ideas what would cause this?

2012-12-05 Thread James Bottomley
On Tue, 2012-12-04 at 16:00 -0600, Chris Friesen wrote: As another data point, it looks like we may be doing a SEND DIAGNOSTIC command specifying the default self-test in addition to the background short self-test. This seems a bit risky and excessive to me, but apparently the guy that wrote

Re: getting I/O errors in super_written()...any ideas what would cause this?

2012-12-05 Thread Ric Wheeler
On 12/05/2012 04:20 AM, James Bottomley wrote: On Tue, 2012-12-04 at 16:00 -0600, Chris Friesen wrote: As another data point, it looks like we may be doing a SEND DIAGNOSTIC command specifying the default self-test in addition to the background short self-test. This seems a bit risky and

Re: getting I/O errors in super_written()...any ideas what would cause this?

2012-12-05 Thread James Bottomley
On Wed, 2012-12-05 at 06:41 -0500, Ric Wheeler wrote: I don't think that the basic stat gathering (smartctl -a ) has this kind of impact, but am worried about the running of the diagnostics, Right, that's what I was trying to say above. Anything that just reads existing data is fine.

Re: getting I/O errors in super_written()...any ideas what would cause this?

2012-12-04 Thread Chris Friesen
On 12/03/2012 03:53 PM, Ric Wheeler wrote: On 12/03/2012 04:08 PM, Chris Friesen wrote: On 12/03/2012 02:52 PM, Ric Wheeler wrote: I jumped into this thread late - can you repost detail on the specific drive and HBA used here? In any case, it sounds like this is a better topic for the

Re: getting I/O errors in super_written()...any ideas what would cause this?

2012-12-04 Thread Ric Wheeler
On 12/04/2012 05:00 PM, Chris Friesen wrote: On 12/03/2012 03:53 PM, Ric Wheeler wrote: On 12/03/2012 04:08 PM, Chris Friesen wrote: On 12/03/2012 02:52 PM, Ric Wheeler wrote: I jumped into this thread late - can you repost detail on the specific drive and HBA used here? In any case, it

Re: getting I/O errors in super_written()...any ideas what would cause this?

2012-12-03 Thread Chris Friesen
On 12/03/2012 02:52 PM, Ric Wheeler wrote: I jumped into this thread late - can you repost detail on the specific drive and HBA used here? In any case, it sounds like this is a better topic for the linux-scsi or linux-ide list where most of the low level storage people lurk :) Okay,

Re: getting I/O errors in super_written()...any ideas what would cause this?

2012-12-03 Thread Dave Jiang
On 12/03/2012 02:08 PM, Chris Friesen wrote: On 12/03/2012 02:52 PM, Ric Wheeler wrote: I jumped into this thread late - can you repost detail on the specific drive and HBA used here? In any case, it sounds like this is a better topic for the linux-scsi or linux-ide list where most of the

Re: getting I/O errors in super_written()...any ideas what would cause this?

2012-12-03 Thread Chris Friesen
On 12/03/2012 03:21 PM, Dave Jiang wrote: On 12/03/2012 02:08 PM, Chris Friesen wrote: On 12/03/2012 02:52 PM, Ric Wheeler wrote: I jumped into this thread late - can you repost detail on the specific drive and HBA used here? In any case, it sounds like this is a better topic for the

Re: getting I/O errors in super_written()...any ideas what would cause this?

2012-12-03 Thread Ric Wheeler
On 12/03/2012 04:08 PM, Chris Friesen wrote: On 12/03/2012 02:52 PM, Ric Wheeler wrote: I jumped into this thread late - can you repost detail on the specific drive and HBA used here? In any case, it sounds like this is a better topic for the linux-scsi or linux-ide list where most of the low

Re: getting I/O errors in super_written()...any ideas what would cause this?

2012-12-03 Thread Dave Jiang
On 12/03/2012 02:36 PM, Chris Friesen wrote: On 12/03/2012 03:21 PM, Dave Jiang wrote: On 12/03/2012 02:08 PM, Chris Friesen wrote: On 12/03/2012 02:52 PM, Ric Wheeler wrote: I jumped into this thread late - can you repost detail on the specific drive and HBA used here? In any case, it