On Wed, Feb 11, 2015 at 06:30:27AM +0800, Greg KH wrote:
On Tue, Feb 10, 2015 at 02:27:20PM +, Bryn M. Reeves wrote:
On Sat, Feb 07, 2015 at 12:07:43PM +0800, Greg KH wrote:
$ cat /sys/fs/selinux/avc/cache_stats
lookups hits misses allocations reclaims frees
18938916 18921707
On Sat, Feb 07, 2015 at 12:07:43PM +0800, Greg KH wrote:
On Fri, Feb 06, 2015 at 03:41:58PM +, Bryn M. Reeves wrote:
I can't speak for Shane but wouldn't spend too much time looking at the
current v2 patch: it's the result of a pretty ugly compromise suggested
on linux-scsi.
Fair
On Fri, Feb 06, 2015 at 12:20:53AM +, Seymour, Shane M wrote:
There has been some ongoing discussion about the best way to implement
tape statistics. The original method suggested a long time ago used a
single file in sysfs similar to block statistics in sysfs. That lead to
an impass about
help people who are trying to dtrt by reading the documentation.
Regards,
Bryn.
From 3081aad4cc4d19b68f39499dbeb3837f0642f70e Mon Sep 17 00:00:00 2001
From: Bryn M. Reeves b...@redhat.com
Date: Fri, 6 Feb 2015 15:19:39 +
Subject: [PATCH] docs/sysfs: Specify array valued attribute review
On Thu, Feb 05, 2015 at 07:46:32PM +0200, Kai Mäkisara (Kolumbus) wrote:
On 5.2.2015, at 19.40, Laurence Oberman lober...@redhat.com wrote:
From: Kai Mäkisara (Kolumbus) kai.makis...@kolumbus.fi
I still think that the tape statistics should be exported like the
statistics of “real” block
On Thu, Feb 05, 2015 at 10:55:50AM -0800, James Bottomley wrote:
OK, the sysfs bikeshedders hang out on linux-api
https://www.kernel.org/doc/man-pages/linux-api-ml.html
If you can convince them, we'll do the single file approach.
Will do - I've got a couple of stats projects on the go at
On Sun, Jul 06, 2014 at 01:18:03AM +0800, loody wrote:
hi all:
we met a USB Hard Disk that will go to suspend if host stop
sending scsi command over 5mins.
To save the IO, kernel will keep the file in page cache as much as
he can and under this circumstances, the scsi command may
On Mon, Jul 07, 2014 at 11:39:05PM +0800, loody wrote:
hi David:
2014-07-07 23:06 GMT+08:00 David Laight david.lai...@aculab.com:
From: Lars Melin
...
sgread is not included in BusyBox but you should have touch.
Create a dummy file on the disk and let cron touch it every 4 minutes.
On Tue, Jul 08, 2014 at 12:15:54AM +0800, loody wrote:
so sg_read will not hammer on the page cache like dd without iflags=direct
thanks for your kind help,
The sg_read program (and other programs in sg3_utils) sends a command directly
to the device using an SG_IO ioctl. This bypasses all the
On Thu, Jun 26, 2014 at 08:55:19PM +0200, Michael Büsch wrote:
Jun 26 20:47:14 wiggum kernel: [156019.870310] sd 22:0:0:0: [sdb] 976773168
512-byte logical blocks: (500 GB/465 GiB)
Jun 26 20:47:14 wiggum kernel: [156019.870653] sd 22:0:0:0: [sdb] Write
Protect is off
Jun 26 20:47:14 wiggum
On Fri, Jun 27, 2014 at 10:55:08AM +0200, Arkadiusz Miskiewicz wrote:
[3757350.671860] Result: hostbyte=0x00 driverbyte=0x08
[3757350.671862] sd 0:0:2:0: [sdc]
[3757350.671863] Sense Key : 0x4 [current]
http://www.t10.org/lists/2sensekey.htm
0x4 is hardware error.
[3757350.671866] sd
On Fri, Jun 27, 2014 at 12:59:18PM +0200, Arkadiusz Miskiewicz wrote:
Thanks for links. I wonder why kernel doesn't decode these to be actually
readable without a need for asking on ml - was decoding considered?
Normally it does; I was a bit surprised to see numbers printed with such
a recent
On Tue, Jun 10, 2014 at 04:57:06PM -0400, Laurence Oberman wrote:
I am tired of building modules to enable SCSI tape driver debug so I
am hoping this patch is acceptable.
Tested using kernel 3.14.6
Usage example:
modprobe st debug_flag=1
Missing Signed-off-by :-)
On 03/31/2014 06:32 PM, Laurence Oberman wrote:
File Line
0 scsi_debug.c 3551 int scsi_debug_queuecommand_lck(struct scsi_cmnd
*SCpnt, done_funct_t done)
1 scsi_debug.c 3900 static DEF_SCSI_QCMD(scsi_debug_queuecommand)
2 scsi_debug.c 3912 .queuecommand = scsi_debug_queuecommand,
On 05/10/2013 01:43 PM, Ewan Milne wrote:
On Thu, 2013-05-09 at 23:11 -0400, Martin K. Petersen wrote:
Introduce eh_timeout which can be used for error handling purposes. This
was previously hardcoded to 10 seconds in the SCSI error handling
code. However, for some fast-fail scenarios it is
On 05/10/2013 03:24 PM, Hannes Reinecke wrote:
However, this time is only defined _on the initiator_.
The specification does _NOT_ have any fixed timeout values for _any_
command. As such it could in theory (and does, if you happen to run
against certain arrays under certain conditions) take
On 04/25/2013 03:50 PM, Mikulas Patocka wrote:
On Thu, 25 Apr 2013, Mike Snitzer wrote:
The handler that is automatically attached _should_ be the correct
handler. We now have the .match() hook for scsi_dh and it has made for
reliable scsi_dh attachment of the correct handler.
The EMC
On 04/25/2013 04:37 PM, Mike Snitzer wrote: clariion_match does more
than check the vendor and product; if tpgs is
set (ALUA mode) it returns false.
So yes, while there is room for improvement in clariion_match the
current code should work just fine with reasoning between emc and alua.
Duh,
On 03/15/2013 11:55 AM, Hannes Reinecke wrote:
Rationale for this patch is a weird test case with brocade switches;
there you can actually disable a _target_ port. So the port isn't
reachable anymore but no RSCN is send.
I think it's more than a pure test-case; using the rscnsupr feature on
On 03/15/2013 12:24 PM, Bart Van Assche wrote:
On 03/15/13 12:55, Hannes Reinecke wrote:
And the LLDD is forced into error recovery which'll take _ages_ as each
and every command send during error recovery will time out.
Hello Hannes,
I'm analyzing a related but not identical issue with SRP.
On 03/15/2013 12:46 PM, Bart Van Assche wrote:
The SCSI EH keeps trying until all outstanding request have been
finished. Does lpfc_host_reset_handler() invoke scsi_done() for
I don't think so (ends up calling lpfc_sli_cancel_iocbs() via
lpfc_hba_down_post() after shutting down the mailbox)
On 02/01/2013 07:54 AM, Bart Van Assche wrote:
* proc_scsi_write - handle writes to /proc/scsi/scsi
* @file: not used
* @buf: buffer to write
* @length: length of buf, at most PAGE_SIZE
* @ppos: not used
*
* Description: this provides a legacy mechanism to add or remove
* devices
On 02/01/2013 09:59 AM, Tao Ma wrote:
yes, but the result is the same. It will do some IO first which will
cause this command hang.
You seem to have a problem with either the device/adapter or in the
driver. The backtrace you posted shows that jbd2 (ext4) is still waiting
on IO that's been
On 02/01/2013 11:13 AM, Tao Ma wrote:
You don't mention the versions of the kernel and driver you're using -
if the system is in production I would suggest contacting who ever
normally provides support for the kernel and distribution that you are
running.
We use CentOS6.2 and the kernel version
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