Date: Fri, 30 Apr 2021 10:29:33 +0200 From: Andrea Brancatelli <abrancatelli@schema31.it> To: freebsd-stable@freebsd.org Subject: Slow iSCSI discovery on boot halting the boot process. Message-ID: <82d5a41ee73f2a9915a831bb5b891366@schema31.it>
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Hello,
I'm having an annoying problem with FreeBSD 12.2-RELEASE-p6, iscsid,
geom multiparty, a Dell MD3200i and fstab.
Long story short, iSCSI login/connection/whatever is slower than the
boot process and the machine always get stuck with "cannot find
/san_storage (/dev/multipath/...) please enter /bin/sh location"
Usually we just press enter, press control-d, and the boot process
continues.
The problem is that the machine cannot boot unattended.
Those are some cfg files:
[root@arsenico ~]# cat /etc/fstab
# Device Mountpoint FStype Options Dump Pass#
/dev/mirror/gm0s1a / ufs rw 1 1
/dev/mirror/gm0s1b none swap sw 0 0
md98 none swap sw,file=/usr/swap1,late 0 0
md99 none swap sw,file=/usr/swap0,late 0 0
/dev/mirror/gm0s1d /var ufs rw 2 2
/dev/mirror/gm0s1e /tmp ufs rw 2 2
/dev/mirror/gm0s1f /usr ufs rw 2 2
/dev/mirror/gm0s1g /repository ufs rw 2 2
fdesc /dev/fd fdescfs rw 0 0
/dev/multipath/Krypton /san_storage ufs rw,late 0 0
As you see the filesystem is already flagged as "late"...
[root@arsenico ~]# cat /etc/iscsi.conf
Krypton_C0_P0 {
TargetName=iqn.1984-05.com.dell:powervault.md3200i.6782bcb0007496a2000000004f1e49ee
TargetAddress=10.40.3.200
}
That's the SAN, we dropped the dual connection so maybe we could get rid
of geom_multipath if that is the problem, but... hey...
[root@arsenico ~]# gmultipath list
Geom name: Krypton
Type: AUTOMATIC
Mode: Active/Active
UUID: 101b1867-c623-11e8-8bab-90e2ba021650
State: DEGRADED
Providers:
1. Name: multipath/Krypton
Mediasize: 15998753177088 (15T)
Sectorsize: 512
Mode: r1w1e1
State: DEGRADED
Consumers:
1. Name: da2
Mediasize: 15998753177600 (15T)
Sectorsize: 512
Mode: r2w2e2
State: ACTIVE
[root@arsenico ~]# camcontrol devlist
<SEAGATE ST1000NM0001 PS04> at scbus0 target 5 lun 0 (pass0,da0)
<SEAGATE ST1000NM0001 PS04> at scbus0 target 6 lun 0 (pass1,da1)
<TSSTcorp DVD+-RW TS-L633J D150> at scbus3 target 0 lun 0 (cd0,pass2)
<DELL MD32xxi 0780> at scbus5 target 0 lun 0 (da2,pass3)
<DELL Universal Xport 0780> at scbus5 target 0 lun 1f (da3,pass4)
Any interesting suggestions?
Thanks a lot.
--
Andrea Brancatelli
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Date: Fri, 30 Apr 2021 10:43:05 +0200
From: Andrea Brancatelli <abrancatelli@schema31.it>
To: freebsd-stable@freebsd.org
Subject: Re: Slow iSCSI discovery on boot halting the boot process.
Organization: Schema31 s.r.l.
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On 2021-04-30 10:29, Andrea Brancatelli via freebsd-stable wrote:
> Hello,
>
> I'm having an annoying problem with FreeBSD 12.2-RELEASE-p6, iscsid,
> geom multiparty, a Dell MD3200i and fstab.
Geom multiparty is probably the best typo/autocorrect ever.
---
Andrea Brancatelli
From owner-freebsd-stable@freebsd.org Fri Apr 30 09:12:27 2021
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Date: Fri, 30 Apr 2021 11:12:17 +0200
From: Arrigo Marchiori <ardovm@yahoo.it>
To: freebsd-stable@freebsd.org
Subject: Re: Slow iSCSI discovery on boot halting the boot process.
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Hello,
On Fri, Apr 30, 2021 at 10:29:33AM +0200, Andrea Brancatelli via freebsd-stable wrote:
> Hello,
>
> I'm having an annoying problem with FreeBSD 12.2-RELEASE-p6, iscsid,
> geom multiparty, a Dell MD3200i and fstab.
>
> Long story short, iSCSI login/connection/whatever is slower than the
> boot process and the machine always get stuck with "cannot find
> /san_storage (/dev/multipath/...) please enter /bin/sh location"
Did you try putting in /boot/loader.conf:
kern.cam.boot_delay=10000
It should wait for 10 seconds before attempting to mount the root
partition.
This solves the issue for me on certain embedded systems, and when
trying to boot from cheap USB pen drives.
I hope this helps.
Best regards,
--
Arrigo
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