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From: bugzilla-noreply@FreeBSD.org
To: scsi@FreeBSD.org
Subject: Problem reports for scsi@FreeBSD.org that need special attention
Date: Sun, 22 Apr 2018 21:00:37 +0000
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To view an individual PR, use:
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=(Bug Id).
The following is a listing of current problems submitted by FreeBSD users,
which need special attention. These represent problem reports covering
all versions including experimental development code and obsolete releases.
Status | Bug Id | Description
------------+-----------+---------------------------------------------------
In Progress | 218830 | [cam] [patch] add CAM pass(4) support for NVMe
New | 221952 | cam iosched: Fix trim statistics
New | 221956 | cam iosched: Schedule cam_iosched_ticker() quanta
New | 221957 | cam iosched: Add a handler for the quanta sysctl
4 problems total for which you should take action.
From owner-freebsd-scsi@freebsd.org Tue Apr 24 01:39:09 2018
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Date: Tue, 24 Apr 2018 01:39:09 +0000
From: John <jwd@freebsd.org>
To: SCSI List <freebsd-scsi@freebsd.org>
Subject: Re: /dev/enc@ SES doc?
Message-ID: <20180424013909.GA19649@FreeBSD.org>
References: <20180413150704.GA77097@FreeBSD.org>
<CAOtMX2hcSS5MwG1_iS05U1mNtGhopPiJkPorGfXfEpjC-ibWxQ@mail.gmail.com>
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----- Alan Somers's Original Message -----
> The ses(4) man page describes the ioctls supported by the /dev/sesX nodes.
> The /dev/enc@... nodes, however, are simply aliases for /dev/da* nodes
I've been poking around in the code and am probably missing
something obvious.
I have 3 shelves, dual expanders each, 4 cables from a pair
of LSI 9300-16e cards. I have one disk in each shelf, bay 1
in the 1st shelf, bay 2 in the 2nd, bay 3 in the 3rd. One drive
shows up on each cable/channel:
WBN06J1R0000E8283APS - ses1-da0 ses9-da10 ses3-da4 ses7-da6
WBN0414K0000E81627LM - ses11-da11 ses2-da2 ses5-da5 ses8-da8
WBN05GME0000E8280DY5 - ses0-da1 ses4-da3 ses6-da7 ses10-da9
And the readout of /dev/enc@* (trailing ses annotation added by hand):
# find /dev/enc@* -name 'da*'
/dev/enc@n500304801f25c63d/type@0/slot@3/elmdesc@Slot02/da3 (ses4)
/dev/enc@n500304801f25c6bd/type@0/slot@3/elmdesc@Slot02/da1 (ses0)
/dev/enc@n500304801f25c73d/type@0/slot@1/elmdesc@Slot00/da4 (ses3)
/dev/enc@n500304801f25c7bd/type@0/slot@1/elmdesc@Slot00/da0 (ses1)
/dev/enc@n500304801f25c83d/type@0/slot@2/elmdesc@Slot01/da5 (ses5)
/dev/enc@n500304801f25c8bd/type@0/slot@2/elmdesc@Slot01/da2 (ses2)
The 1st 6 ses units are shown - the 2nd 6 ses units are missing (ses6 ->=
ses11).
I think the following represents the issue, not sure how to fix it?
# for i in /dev/ses*; do
camcontrol smpphylist $i 2>/dev/null | grep ses
done | awk '{print $2;}'
0x500304801f25c6bd
0x500304801f25c7bd
0x500304801f25c6bd
0x500304801f25c8bd
0x500304801f25c8bd
0x500304801f25c73d
0x500304801f25c63d
0x500304801f25c83d
0x500304801f25c63d
0x500304801f25c73d
0x500304801f25c83d
0x500304801f25c7bd
# for i in /dev/ses*; do
camcontrol smpphylist $i 2>/dev/null | grep ses
done | awk '{print $2;}' | sort -u
0x500304801f25c63d
0x500304801f25c6bd
0x500304801f25c73d
0x500304801f25c7bd
0x500304801f25c83d
0x500304801f25c8bd
The ses unit adds a level of uniqueness not provided by just the logical=
identifier?
Thoughts?
Thanks,
John
> On Fri, Apr 13, 2018 at 9:07 AM, John <jwd@freebsd.org> wrote:
>=20
> > Hi Folks,
> >
> > Just curious...
> >
> > Is there any doc for the /dev/enc@.... entries that map
> > any attached SES enabled storage?
> >
> > cam/scsi/scsi_enc_ses.c does contain a good amount of info.
> >
> > Thanks!
> > John
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References: <20180413150704.GA77097@FreeBSD.org>
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<20180424013909.GA19649@FreeBSD.org>
From: Alan Somers <asomers@freebsd.org>
Date: Mon, 23 Apr 2018 20:12:11 -0600
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Subject: Re: /dev/enc@ SES doc?
To: John <jwd@freebsd.org>
Cc: SCSI List <freebsd-scsi@freebsd.org>, Alan Somers <asomers@freebsd.org>
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If you have 3 shelves each with dual expanders, then you should have six
/dev/ses devices. The fact that you see 12 means that something is cabled
incorrectly. It sounds like each expander has two SAS ports (each of which
has 4 SAS lanes). Are there really only two LSI 9300-16e cards? It sounds
like there must be three. What you _should_ do is connect both of each
expanders' ports to the same HBA. That way it will form a wide port of 8
lanes. If you connect a single expander to two different HBAs, then the OS
sees them as separate expanders and doesn't realize that they're really the
same.
-Alan
On Mon, Apr 23, 2018 at 7:39 PM, John <jwd@freebsd.org> wrote:
> ----- Alan Somers's Original Message -----
> > The ses(4) man page describes the ioctls supported by the /dev/sesX
> nodes.
> > The /dev/enc@... nodes, however, are simply aliases for /dev/da* nodes
>
> I've been poking around in the code and am probably missing
> something obvious.
>
> I have 3 shelves, dual expanders each, 4 cables from a pair
> of LSI 9300-16e cards. I have one disk in each shelf, bay 1
> in the 1st shelf, bay 2 in the 2nd, bay 3 in the 3rd. One drive
> shows up on each cable/channel:
>
> WBN06J1R0000E8283APS - ses1-da0 ses9-da10 ses3-da4 ses7-da6
> WBN0414K0000E81627LM - ses11-da11 ses2-da2 ses5-da5 ses8-da8
> WBN05GME0000E8280DY5 - ses0-da1 ses4-da3 ses6-da7 ses10-da9
>
> And the readout of /dev/enc@* (trailing ses annotation added by hand):
>
> # find /dev/enc@* -name 'da*'
> /dev/enc@n500304801f25c63d/type@0/slot@3/elmdesc@Slot02/da3 (ses4)
> /dev/enc@n500304801f25c6bd/type@0/slot@3/elmdesc@Slot02/da1 (ses0)
> /dev/enc@n500304801f25c73d/type@0/slot@1/elmdesc@Slot00/da4 (ses3)
> /dev/enc@n500304801f25c7bd/type@0/slot@1/elmdesc@Slot00/da0 (ses1)
> /dev/enc@n500304801f25c83d/type@0/slot@2/elmdesc@Slot01/da5 (ses5)
> /dev/enc@n500304801f25c8bd/type@0/slot@2/elmdesc@Slot01/da2 (ses2)
>
> The 1st 6 ses units are shown - the 2nd 6 ses units are missing (ses6
> -> ses11).
>
> I think the following represents the issue, not sure how to fix it?
>
> # for i in /dev/ses*; do
> camcontrol smpphylist $i 2>/dev/null | grep ses
> done | awk '{print $2;}'
> 0x500304801f25c6bd
> 0x500304801f25c7bd
> 0x500304801f25c6bd
> 0x500304801f25c8bd
> 0x500304801f25c8bd
> 0x500304801f25c73d
> 0x500304801f25c63d
> 0x500304801f25c83d
> 0x500304801f25c63d
> 0x500304801f25c73d
> 0x500304801f25c83d
> 0x500304801f25c7bd
> # for i in /dev/ses*; do
> camcontrol smpphylist $i 2>/dev/null | grep ses
> done | awk '{print $2;}' | sort -u
> 0x500304801f25c63d
> 0x500304801f25c6bd
> 0x500304801f25c73d
> 0x500304801f25c7bd
> 0x500304801f25c83d
> 0x500304801f25c8bd
>
> The ses unit adds a level of uniqueness not provided by just the
> logical identifier?
>
> Thoughts?
>
> Thanks,
> John
>
> > On Fri, Apr 13, 2018 at 9:07 AM, John <jwd@freebsd.org> wrote:
> >
> > > Hi Folks,
> > >
> > > Just curious...
> > >
> > > Is there any doc for the /dev/enc@.... entries that map
> > > any attached SES enabled storage?
> > >
> > > cam/scsi/scsi_enc_ses.c does contain a good amount of info.
> > >
> > > Thanks!
> > > John
>