From: Andrew Morton <akpm@osdl.org>
To: Maxim Kozover <maximkoz@netvision.net.il>
Cc: linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org,
Andrew Vasquez <andrew.vasquez@qlogic.com>
Subject: Re: problems with scsi_transport_fc and qla2xxx
Date: Tue, 28 Feb 2006 22:14:22 -0800 [thread overview]
Message-ID: <20060228221422.282332ef.akpm@osdl.org> (raw)
In-Reply-To: <978150825.20060227210552@netvision.net.il>
Maxim Kozover <maximkoz@netvision.net.il> wrote:
>
> Hi!
(cc's added)
> Most of the problem seems to be a QLogic driver problem.
> HBAs are connected to target via FC switch.
>
> 1. If I have several LUNs on each HBA, with QLogic only 1 directory
> per adapter (for LUN 0) is created in /sys/class/fc_remote_ports,
> while with Emulex a directory for every LUN is created.
>
> 2. The situation I described occurs with QLogic only if the cable
> connecting between HBA and switch is pulled out/in. If I
> connect/disconnect the cable between switch and target, disks come
> back.
>
> 3. With Emulex in both cases disks come back.
>
> However, both with Emulex and QLogic stale directories in
> /sys/classfc_remote_ports are left.
> For example, with Emulex if I had in the beginning
> rport-6:0-0 rport-6:0-1 rport-6:0-2 rport-7:0-0 rport-7:0-1 rport-7:0-2
> then disconnected adapter 7, got
> rport-6:0-0 rport-6:0-1 rport-6:0-2 rport-7:0-0 rport-7:0-2
> (7-0-0 and 7-0-2 didn't disappear while 7-0-1 did)
> connected 7 back
> rport-6:0-0 rport-6:0-1 rport-6:0-2 rport-7:0-2 rport-7:0-4
> rport-7:0-5 rport-7:0-6
> (7-0-0 disappeared, but 7-0-2 is still here).
>
> Thanks,
>
> Maxim.
>
> MK> Hi!
> MK> I'm checking 2.6.16-rc5 with 2 QLogic 2312 adapters using qla2xxx
> MK> driver from 2.6.16-rc5.
> MK> As with earlier kernels, I think > 2.6.12 (since scsi_transport_fc
> MK> gained functionality) I have the following problem.
> MK> 2 scsi hosts available, 4 and 5 (for QLogic).
> MK> I disconnect the cable from one of QLogic cards. After timeout I have
> MK> the message
> MK> rport-4:0-0: blocked FC remote port time out: removing target and saving binding
> MK> and appropriate SCSI devices that came from adapter 4 disappear from
> MK> /proc/scsi/scsi.
> MK> So far, so good.
> MK> I reconnect the cable, the directory
> MK> /sys/class/fc_remote_ports/rport-4:0-1 appears along with the old
> MK> ones rport-4:0-0 and rport-5:0-0, so currently I have 3.
> MK> However, no automatic rescan appears on adapter 4.
> MK> What's worse, if I try echo "0 1 0" > /sys/class/scsi_host/host4/scan
> MK> the process is stuck.
> MK> Please advise.
>
> MK> Thanks,
>
> MK> Maxim.
>
>
> -
> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
> Please read the FAQ at http://www.tux.org/lkml/
next prev parent reply other threads:[~2006-03-01 6:15 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-02-27 12:05 problems with scsi_transport_fc and qla2xxx Maxim Kozover
2006-02-27 18:05 ` Maxim Kozover
2006-03-01 6:14 ` Andrew Morton [this message]
2006-03-01 20:25 ` Stefan Kaltenbrunner
2006-03-01 21:08 ` Andrew Vasquez
2006-03-02 16:32 ` Maxim Kozover
2006-03-02 17:38 ` Andrew Vasquez
2006-03-02 22:15 ` Maxim Kozover
2006-03-06 19:06 ` Andrew Vasquez
2006-03-06 20:00 ` Mike Snitzer
2006-03-06 20:09 ` Maxim Kozover
2006-03-06 21:28 ` Andrew Vasquez
2006-03-06 20:57 ` Maxim Kozover
2006-03-06 21:09 ` Maxim Kozover
[not found] ` <20060306232831.GS6278@andrew-vasquezs-powerbook-g4-15.local>
[not found] ` <1219491790.20060307124035@netvision.net.il>
[not found] ` <20060307172227.GE6275@andrew-vasquezs-powerbook-g4-15.local>
[not found] ` <1343850424.20060307231141@netvision.net.il>
[not found] ` <20060308080050.GF9956@andrew-vasquezs-powerbook-g4-15.local>
[not found] ` <20060308154341.GA1779@andrew-vasquezs-powerbook-g4-15.local>
[not found] ` <1502511597.20060308213247@netvision.net.il>
[not found] ` <20060310231344.GB641@andrew-vasquezs-powerbook-g4-15.local>
2006-03-11 21:10 ` Re[8]: " Maxim Kozover
2006-03-12 9:28 ` Arjan van de Ven
2006-03-12 11:46 ` Maxim Kozover
2006-03-13 23:19 ` Andrew Vasquez
2006-03-20 10:45 ` Maxim Kozover
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20060228221422.282332ef.akpm@osdl.org \
--to=akpm@osdl.org \
--cc=andrew.vasquez@qlogic.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-scsi@vger.kernel.org \
--cc=maximkoz@netvision.net.il \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox