linux-kernel - Re: [PATCH v3 0/7] Enhance libsas hotplug feature

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Message-ID: <20170712115622.GC4115@linux-x5ow.site>
Date:   Wed, 12 Jul 2017 13:56:22 +0200
From:   Johannes Thumshirn <jthumshirn@...e.de>
To:     John Garry <john.garry@...wei.com>
Cc:     Yijing Wang <wangyijing@...wei.com>, jejb@...ux.vnet.ibm.com,
        martin.petersen@...cle.com, chenqilin2@...wei.com, hare@...e.com,
        linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org,
        chenxiang66@...ilicon.com, huangdaode@...ilicon.com,
        wangkefeng.wang@...wei.com, zhaohongjiang@...wei.com,
        dingtianhong@...wei.com, guohanjun@...wei.com, yanaijie@...wei.com,
        hch@....de, dan.j.williams@...el.com, emilne@...hat.com,
        thenzl@...hat.com, wefu@...hat.com, charles.chenxin@...wei.com,
        chenweilong@...wei.com, Linuxarm <linuxarm@...wei.com>
Subject: Re: [PATCH v3 0/7] Enhance libsas hotplug feature

On Wed, Jul 12, 2017 at 10:59:27AM +0100, John Garry wrote:
> After:
> ...
> root@(none)$ echo 0 > ./phy-0:7/sas_phy/phy-0:7/enable
> root@(none)$ [  446.193336] hisi_sas_v2_hw HISI0162:01: found dev[8:1] is
> gone
> [  446.249205] hisi_sas_v2_hw HISI0162:01: found dev[7:1] is gone
> [  446.325201] hisi_sas_v2_hw HISI0162:01: found dev[6:1] is gone
> [  446.373189] hisi_sas_v2_hw HISI0162:01: found dev[5:1] is gone
> [  446.421187] hisi_sas_v2_hw HISI0162:01: found dev[4:1] is gone
> [  446.457232] hisi_sas_v2_hw HISI0162:01: found dev[3:1] is gone
> [  446.477151] sd 0:0:1:0: [sdb] Synchronizing SCSI cache
> [  446.482373] sd 0:0:1:0: [sdb] Synchronize Cache(10) failed: Result:
> hostbyte=0x04 driverbyte=0x00
> [  446.491238] sd 0:0:1:0: [sdb] Stopping disk
> [  446.495419] sd 0:0:1:0: [sdb] Start/Stop Unit failed: Result:
> hostbyte=0x04 driverbyte=0x00
> [  446.525227] hisi_sas_v2_hw HISI0162:01: found dev[2:5] is gone
> [  446.569249] hisi_sas_v2_hw HISI0162:01: found dev[1:1] is gone
> [  446.576872] hisi_sas_v2_hw HISI0162:01: found dev[0:2] is gone
> 
> root@(none)$
> 
> So much nicer. BTW, /dev/sdb is a SATA disk, the rest are SAS.

This is awesome. I hope I have some time reviewing the patches themselfes
soon.

	Johannes

-- 
Johannes Thumshirn                                          Storage
jthumshirn@...e.de                                +49 911 74053 689
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