From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rich Johnston Subject: Re: How to run xfstests against multipath disks on SuSE? Date: Tue, 27 Nov 2012 14:55:12 -0600 Message-ID: <50B528B0.9080208@sgi.com> References: <20121126145559.GK31891@thunk.org> <20121127031438.GK6434@dastard> <50B4F38E.8060806@redhat.com> <20121127203537.GM6434@dastard> <50B52475.1020603@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: Dave Chinner , =?UTF-8?B?THVrw6HFoSBDemVybmVy?= , Ryan Wang , , Theodore Ts'o , To: Eric Sandeen Return-path: Received: from relay1.sgi.com ([192.48.179.29]:32817 "EHLO relay.sgi.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932139Ab2K0Uyq (ORCPT ); Tue, 27 Nov 2012 15:54:46 -0500 In-Reply-To: <50B52475.1020603@redhat.com> Sender: linux-ext4-owner@vger.kernel.org List-ID: On 11/27/2012 02:37 PM, Eric Sandeen wrote: > On 11/27/12 2:35 PM, Dave Chinner wrote: >> On Tue, Nov 27, 2012 at 11:08:30AM -0600, Eric Sandeen wrote: >>> On 11/26/12 9:14 PM, Dave Chinner wrote: >>>> On Tue, Nov 27, 2012 at 09:20:47AM +0800, Ryan Wang wrote: >>>>> 2012/11/26 Theodore Ts'o : >>>>>> On Mon, Nov 26, 2012 at 02:43:40PM +0100, Luk=C3=A1=C5=A1 Czerne= r wrote: >>>>>>>> The I checked the script common.rc, and found that it uses >>>>>>>> df to determine the filesystem type and it uses the realpath >>>>>>>> "/dev/dm-0" instead of "/dev/mapper/mpatha", while df always >>>>>>>> shows "devtmpfs" instead of "ext4" for /dev/dm-0. >>>>>>>> >>>>>>>> I run "mount" and found that devtmpfs is mount on /dev/ on ope= nsuse >>>>>>>> ***by default***. Even though I run "mount -t btrfs /dev/dm-0= /somedir", >>>>>>>> df still showed devtmpfs. >>>>>>>> >>>>>>>> Any ideas to kick off the xfstests? >>>>>> >>>>>> At least with the df which ships with Debian Testing, df will di= splay >>>>>> the file system in use if it matches the device name which is >>>>>> /etc/mtab. It looks the issue is that mount is canonicalizing t= he >>>>>> device name to be the human friendly version: >>>>>> >>>>>> # ls -l /dev/mapper/closure-bigscratch >>>>>> 0 lrwxrwxrwx 1 root root 7 Nov 16 15:15 /dev/mapper/closure-bigs= cratch -> ../dm-7 >>>>>> {/home/tytso/bin}, level 2 >>>>>> # mount /dev/dm-7 /u2 >>>>>> # df /u2 >>>>>> Filesystem 1K-blocks Used Available Use% M= ounted on >>>>>> /dev/mapper/closure-bigscratch 52403200 224772 52178428 1% /= u2 >>>>>> # grep /u2 /etc/mtab >>>>>> /dev/mapper/closure-bigscratch /u2 xfs rw,relatime,attr2,inode64= ,noquota 0 0 >>>>>> >>>>>> So the simplest solution is to just use /dev/mapper/mpatha inste= ad of >>>>>> insisting on using /dev/dm-0. That's what I do.... >>>>> >>>>> In xfstests/common.rc, it will use realpath to obtain /dev/dm-0, = even if you >>>>> specified /dev/mapper/mpatha. >>>>> My problem is in SuSE, the devtmpfs is mounted on /dev by default= , seems >>>>> used by udev. And df reports devtmpfs on /dev/dm-0, instead of ex= t4. >>>> >>>> What version of xfstests are you using? Do you have a >>>> "README.device-mapper" file in the base directory? If not, upgrade >>>> to the latest version and retry. >>>> >>>> $ gl -n 1 -p 0a81886 >>>> commit 0a818862bb74932e15971ec8bedb55765ec3a3f6 >>>> Author: Christoph Hellwig >>>> Date: Wed May 4 16:28:32 2011 +0200 >>>> >>>> xfstests: support post-udev device mapper nodes >>>> >>>> Because of udevs complaining device mapper now creates /dev/d= m-N as the real >>>> device nodes, and just symlinks the /dev/mapper/ names to it.= This would be >>>> easy if everything used the /dev/mapper clear names, but most= system utilities >>>> translate them back to the /dev/mapper/ names and thus confus= e various test >>>> cases. Add support to _is_block_dev to read symlinks, and ad= d documentation >>>> on how to run xfstests on device mapper volumes. >>>> >>>> Signed-off-by: Christoph Hellwig >>>> Reviewed-by: Alex Elder >>>> >>>> Cheers, >>>> >>>> Dave. >>>> >>> >>> Recent "realpath" changes also went in: >>> >>> b03c662399956609934ff063e9064e15dc7459ac xfstests: fix to build src= /realpath and the correct the existence of target devices >>> d5ea873fcbf00b841f0511a26fb341364a5c6425 xfstests: resolve symlinke= d devices to real paths >>> >>> so either of those could have broken and/or fixed it for you :) >> >> Yup, those are almost certainly the patches that broke device mapper >> support. There' aren't changes to common.rc, so I didn't notice them= =2E >> They basically override the fix that Christoph made to support >> /dev/mapper links properly. >> >> I'd suggest a revert is in order, the two patches above were part >> of Rich's hovering of old, unreviewed patches. This problem was >> already fixed in a different way by Christoph, so adding these >> patches was wrong. > > Fine with me ... > > Ryan, can you test w/o those, and if it works - > > Rich, can you revert those please? Sure, I will wait to hear from Ryan first. > > -Eric > >> Cheers, >> >> Dave. >> > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs > -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" i= n the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (8.14.3/8.14.3/SuSE Linux 0.8) with ESMTP id qARKqSdH087885 for ; Tue, 27 Nov 2012 14:52:28 -0600 Message-ID: <50B528B0.9080208@sgi.com> Date: Tue, 27 Nov 2012 14:55:12 -0600 From: Rich Johnston MIME-Version: 1.0 Subject: Re: How to run xfstests against multipath disks on SuSE? References: <20121126145559.GK31891@thunk.org> <20121127031438.GK6434@dastard> <50B4F38E.8060806@redhat.com> <20121127203537.GM6434@dastard> <50B52475.1020603@redhat.com> In-Reply-To: <50B52475.1020603@redhat.com> List-Id: XFS Filesystem from SGI List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Sender: xfs-bounces@oss.sgi.com Errors-To: xfs-bounces@oss.sgi.com To: Eric Sandeen Cc: Theodore Ts'o , xfs@oss.sgi.com, Ryan Wang , =?UTF-8?B?THVrw6HFoSBDemVybmVy?= , linux-ext4@vger.kernel.org T24gMTEvMjcvMjAxMiAwMjozNyBQTSwgRXJpYyBTYW5kZWVuIHdyb3RlOgo+IE9uIDExLzI3LzEy IDI6MzUgUE0sIERhdmUgQ2hpbm5lciB3cm90ZToKPj4gT24gVHVlLCBOb3YgMjcsIDIwMTIgYXQg MTE6MDg6MzBBTSAtMDYwMCwgRXJpYyBTYW5kZWVuIHdyb3RlOgo+Pj4gT24gMTEvMjYvMTIgOTox NCBQTSwgRGF2ZSBDaGlubmVyIHdyb3RlOgo+Pj4+IE9uIFR1ZSwgTm92IDI3LCAyMDEyIGF0IDA5 OjIwOjQ3QU0gKzA4MDAsIFJ5YW4gV2FuZyB3cm90ZToKPj4+Pj4gMjAxMi8xMS8yNiBUaGVvZG9y ZSBUcydvIDx0eXRzb0BtaXQuZWR1PjoKPj4+Pj4+IE9uIE1vbiwgTm92IDI2LCAyMDEyIGF0IDAy OjQzOjQwUE0gKzAxMDAsIEx1a8OhxaEgQ3plcm5lciB3cm90ZToKPj4+Pj4+Pj4gVGhlIEkgY2hl Y2tlZCB0aGUgc2NyaXB0IGNvbW1vbi5yYywgYW5kIGZvdW5kIHRoYXQgaXQgdXNlcwo+Pj4+Pj4+ PiBkZiB0byBkZXRlcm1pbmUgdGhlIGZpbGVzeXN0ZW0gdHlwZSBhbmQgaXQgdXNlcyB0aGUgcmVh bHBhdGgKPj4+Pj4+Pj4gIi9kZXYvZG0tMCIgaW5zdGVhZCBvZiAiL2Rldi9tYXBwZXIvbXBhdGhh Iiwgd2hpbGUgZGYgYWx3YXlzCj4+Pj4+Pj4+IHNob3dzICJkZXZ0bXBmcyIgaW5zdGVhZCBvZiAi ZXh0NCIgZm9yIC9kZXYvZG0tMC4KPj4+Pj4+Pj4KPj4+Pj4+Pj4gSSBydW4gIm1vdW50IiBhbmQg Zm91bmQgdGhhdCBkZXZ0bXBmcyBpcyBtb3VudCBvbiAvZGV2LyBvbiBvcGVuc3VzZQo+Pj4+Pj4+ PiAqKipieSBkZWZhdWx0KioqLiBFdmVuIHRob3VnaCAgSSBydW4gIm1vdW50IC10IGJ0cmZzIC9k ZXYvZG0tMCAvc29tZWRpciIsCj4+Pj4+Pj4+IGRmIHN0aWxsIHNob3dlZCBkZXZ0bXBmcy4KPj4+ Pj4+Pj4KPj4+Pj4+Pj4gQW55IGlkZWFzIHRvIGtpY2sgb2ZmIHRoZSB4ZnN0ZXN0cz8KPj4+Pj4+ Cj4+Pj4+PiBBdCBsZWFzdCB3aXRoIHRoZSBkZiB3aGljaCBzaGlwcyB3aXRoIERlYmlhbiBUZXN0 aW5nLCBkZiB3aWxsIGRpc3BsYXkKPj4+Pj4+IHRoZSBmaWxlIHN5c3RlbSBpbiB1c2UgaWYgaXQg bWF0Y2hlcyB0aGUgZGV2aWNlIG5hbWUgd2hpY2ggaXMKPj4+Pj4+IC9ldGMvbXRhYi4gIEl0IGxv b2tzIHRoZSBpc3N1ZSBpcyB0aGF0IG1vdW50IGlzIGNhbm9uaWNhbGl6aW5nIHRoZQo+Pj4+Pj4g ZGV2aWNlIG5hbWUgdG8gYmUgdGhlIGh1bWFuIGZyaWVuZGx5IHZlcnNpb246Cj4+Pj4+Pgo+Pj4+ Pj4gIyBscyAtbCAvZGV2L21hcHBlci9jbG9zdXJlLWJpZ3NjcmF0Y2gKPj4+Pj4+IDAgbHJ3eHJ3 eHJ3eCAxIHJvb3Qgcm9vdCA3IE5vdiAxNiAxNToxNSAvZGV2L21hcHBlci9jbG9zdXJlLWJpZ3Nj cmF0Y2ggLT4gLi4vZG0tNwo+Pj4+Pj4gPHR5dHNvLnJvb3RAY2xvc3VyZT4gey9ob21lL3R5dHNv L2Jpbn0sIGxldmVsIDIKPj4+Pj4+ICMgbW91bnQgL2Rldi9kbS03IC91Mgo+Pj4+Pj4gIyBkZiAv dTIKPj4+Pj4+IEZpbGVzeXN0ZW0gICAgICAgICAgICAgICAgICAgICAxSy1ibG9ja3MgICBVc2Vk IEF2YWlsYWJsZSBVc2UlIE1vdW50ZWQgb24KPj4+Pj4+IC9kZXYvbWFwcGVyL2Nsb3N1cmUtYmln c2NyYXRjaCAgNTI0MDMyMDAgMjI0NzcyICA1MjE3ODQyOCAgIDElIC91Mgo+Pj4+Pj4gIyBncmVw IC91MiAvZXRjL210YWIKPj4+Pj4+IC9kZXYvbWFwcGVyL2Nsb3N1cmUtYmlnc2NyYXRjaCAvdTIg eGZzIHJ3LHJlbGF0aW1lLGF0dHIyLGlub2RlNjQsbm9xdW90YSAwIDAKPj4+Pj4+Cj4+Pj4+PiBT byB0aGUgc2ltcGxlc3Qgc29sdXRpb24gaXMgdG8ganVzdCB1c2UgL2Rldi9tYXBwZXIvbXBhdGhh IGluc3RlYWQgb2YKPj4+Pj4+IGluc2lzdGluZyBvbiB1c2luZyAvZGV2L2RtLTAuICBUaGF0J3Mg d2hhdCBJIGRvLi4uLgo+Pj4+Pgo+Pj4+PiBJbiB4ZnN0ZXN0cy9jb21tb24ucmMsIGl0IHdpbGwg dXNlIHJlYWxwYXRoIHRvIG9idGFpbiAvZGV2L2RtLTAsIGV2ZW4gaWYgeW91Cj4+Pj4+IHNwZWNp ZmllZCAvZGV2L21hcHBlci9tcGF0aGEuCj4+Pj4+IE15IHByb2JsZW0gaXMgaW4gU3VTRSwgdGhl IGRldnRtcGZzIGlzIG1vdW50ZWQgb24gL2RldiBieSBkZWZhdWx0LCBzZWVtcwo+Pj4+PiB1c2Vk IGJ5IHVkZXYuIEFuZCBkZiByZXBvcnRzIGRldnRtcGZzIG9uIC9kZXYvZG0tMCwgaW5zdGVhZCBv ZiBleHQ0Lgo+Pj4+Cj4+Pj4gV2hhdCB2ZXJzaW9uIG9mIHhmc3Rlc3RzIGFyZSB5b3UgdXNpbmc/ IERvIHlvdSBoYXZlIGEKPj4+PiAiUkVBRE1FLmRldmljZS1tYXBwZXIiIGZpbGUgaW4gdGhlIGJh c2UgZGlyZWN0b3J5PyBJZiBub3QsIHVwZ3JhZGUKPj4+PiB0byB0aGUgbGF0ZXN0IHZlcnNpb24g YW5kIHJldHJ5Lgo+Pj4+Cj4+Pj4gJCBnbCAtbiAxIC1wIDBhODE4ODYKPj4+PiBjb21taXQgMGE4 MTg4NjJiYjc0OTMyZTE1OTcxZWM4YmVkYjU1NzY1ZWMzYTNmNgo+Pj4+IEF1dGhvcjogQ2hyaXN0 b3BoIEhlbGx3aWcgPGhjaEBsc3QuZGU+Cj4+Pj4gRGF0ZTogICBXZWQgTWF5IDQgMTY6Mjg6MzIg MjAxMSArMDIwMAo+Pj4+Cj4+Pj4gICAgICB4ZnN0ZXN0czogc3VwcG9ydCBwb3N0LXVkZXYgZGV2 aWNlIG1hcHBlciBub2Rlcwo+Pj4+Cj4+Pj4gICAgICBCZWNhdXNlIG9mIHVkZXZzIGNvbXBsYWlu aW5nIGRldmljZSBtYXBwZXIgbm93IGNyZWF0ZXMgL2Rldi9kbS1OIGFzIHRoZSByZWFsCj4+Pj4g ICAgICBkZXZpY2Ugbm9kZXMsIGFuZCBqdXN0IHN5bWxpbmtzIHRoZSAvZGV2L21hcHBlci8gbmFt ZXMgdG8gaXQuICBUaGlzIHdvdWxkIGJlCj4+Pj4gICAgICBlYXN5IGlmIGV2ZXJ5dGhpbmcgdXNl ZCB0aGUgL2Rldi9tYXBwZXIgY2xlYXIgbmFtZXMsIGJ1dCBtb3N0IHN5c3RlbSB1dGlsaXRpZXMK Pj4+PiAgICAgIHRyYW5zbGF0ZSB0aGVtIGJhY2sgdG8gdGhlIC9kZXYvbWFwcGVyLyBuYW1lcyBh bmQgdGh1cyBjb25mdXNlIHZhcmlvdXMgdGVzdAo+Pj4+ICAgICAgY2FzZXMuICBBZGQgc3VwcG9y dCB0byBfaXNfYmxvY2tfZGV2IHRvIHJlYWQgc3ltbGlua3MsIGFuZCBhZGQgZG9jdW1lbnRhdGlv bgo+Pj4+ICAgICAgb24gaG93IHRvIHJ1biB4ZnN0ZXN0cyBvbiBkZXZpY2UgbWFwcGVyIHZvbHVt ZXMuCj4+Pj4KPj4+PiAgICAgIFNpZ25lZC1vZmYtYnk6IENocmlzdG9waCBIZWxsd2lnIDxoY2hA bHN0LmRlPgo+Pj4+ICAgICAgUmV2aWV3ZWQtYnk6IEFsZXggRWxkZXIgPGFlbGRlckBzZ2kuY29t Pgo+Pj4+Cj4+Pj4gQ2hlZXJzLAo+Pj4+Cj4+Pj4gRGF2ZS4KPj4+Pgo+Pj4KPj4+IFJlY2VudCAi cmVhbHBhdGgiIGNoYW5nZXMgYWxzbyB3ZW50IGluOgo+Pj4KPj4+IGIwM2M2NjIzOTk5NTY2MDk5 MzRmZjA2M2U5MDY0ZTE1ZGM3NDU5YWMgeGZzdGVzdHM6IGZpeCB0byBidWlsZCBzcmMvcmVhbHBh dGggYW5kIHRoZSBjb3JyZWN0IHRoZSBleGlzdGVuY2Ugb2YgdGFyZ2V0IGRldmljZXMKPj4+IGQ1 ZWE4NzNmY2JmMDBiODQxZjA1MTFhMjZmYjM0MTM2NGE1YzY0MjUgeGZzdGVzdHM6IHJlc29sdmUg c3ltbGlua2VkIGRldmljZXMgdG8gcmVhbCBwYXRocwo+Pj4KPj4+IHNvIGVpdGhlciBvZiB0aG9z ZSBjb3VsZCBoYXZlIGJyb2tlbiBhbmQvb3IgZml4ZWQgaXQgZm9yIHlvdSA6KQo+Pgo+PiBZdXAs IHRob3NlIGFyZSBhbG1vc3QgY2VydGFpbmx5IHRoZSBwYXRjaGVzIHRoYXQgYnJva2UgZGV2aWNl IG1hcHBlcgo+PiBzdXBwb3J0LiBUaGVyZScgYXJlbid0IGNoYW5nZXMgdG8gY29tbW9uLnJjLCBz byBJIGRpZG4ndCBub3RpY2UgdGhlbS4KPj4gVGhleSBiYXNpY2FsbHkgb3ZlcnJpZGUgdGhlIGZp eCB0aGF0IENocmlzdG9waCBtYWRlIHRvIHN1cHBvcnQKPj4gL2Rldi9tYXBwZXIgbGlua3MgcHJv cGVybHkuCj4+Cj4+IEknZCBzdWdnZXN0IGEgcmV2ZXJ0IGlzIGluIG9yZGVyLCB0aGUgdHdvIHBh dGNoZXMgYWJvdmUgd2VyZSBwYXJ0Cj4+IG9mIFJpY2gncyBob3ZlcmluZyBvZiBvbGQsIHVucmV2 aWV3ZWQgcGF0Y2hlcy4gVGhpcyBwcm9ibGVtIHdhcwo+PiBhbHJlYWR5IGZpeGVkIGluIGEgZGlm ZmVyZW50IHdheSBieSBDaHJpc3RvcGgsIHNvIGFkZGluZyB0aGVzZQo+PiBwYXRjaGVzIHdhcyB3 cm9uZy4KPgo+IEZpbmUgd2l0aCBtZSAuLi4KPgo+IFJ5YW4sIGNhbiB5b3UgdGVzdCB3L28gdGhv c2UsIGFuZCBpZiBpdCB3b3JrcyAtCj4KPiBSaWNoLCBjYW4geW91IHJldmVydCB0aG9zZSBwbGVh c2U/CgpTdXJlLCBJIHdpbGwgd2FpdCB0byBoZWFyIGZyb20gUnlhbiBmaXJzdC4KCj4KPiAtRXJp Ywo+Cj4+IENoZWVycywKPj4KPj4gRGF2ZS4KPj4KPgo+IF9fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fCj4geGZzIG1haWxpbmcgbGlzdAo+IHhmc0Bvc3Muc2dp LmNvbQo+IGh0dHA6Ly9vc3Muc2dpLmNvbS9tYWlsbWFuL2xpc3RpbmZvL3hmcwo+CgoKX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KeGZzIG1haWxpbmcgbGlz dAp4ZnNAb3NzLnNnaS5jb20KaHR0cDovL29zcy5zZ2kuY29tL21haWxtYW4vbGlzdGluZm8veGZz Cg==