From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx1.redhat.com (ext-mx12.extmail.prod.ext.phx2.redhat.com [10.5.110.17]) by int-mx13.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id t029GuTi010630 for ; Fri, 2 Jan 2015 04:16:57 -0500 Received: from ext.crowie.net (133.75.70.115.static.exetel.com.au [115.70.75.133]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id t029GrIa000669 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Fri, 2 Jan 2015 04:16:55 -0500 Received: from [192.168.131.53] (kaylene.crowie.net [192.168.131.53]) by ext.crowie.net (8.14.7/8.14.7) with ESMTP id t029Gpfk017273 for ; Fri, 2 Jan 2015 20:16:51 +1100 Message-ID: <54A6620A.1090207@crowie.net> Date: Fri, 02 Jan 2015 20:16:58 +1100 From: Graham Crowe MIME-Version: 1.0 References: <5493FEB9.7010009@crowie.net> <54945665.5060107@redhat.com> <5494AFBA.5010003@crowie.net> <66BEED9E1579F2479F74AC14631BE1E30CEC77EBAB@EVS5CCR.its.caregroup.org> In-Reply-To: <66BEED9E1579F2479F74AC14631BE1E30CEC77EBAB@EVS5CCR.its.caregroup.org> Content-Transfer-Encoding: 7bit Subject: Re: [linux-lvm] Missing Logical Volumes Reply-To: LVM general discussion and development List-Id: LVM general discussion and development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , List-Id: Content-Type: text/plain; charset="us-ascii"; format="flowed" To: LVM general discussion and development Thanks for the reply, however I had to reboot the server and this has cleared the problem. If it reoccurs, then I will save the output as per your suggestion (I'd like to find a solution that doesn't involve rebooting as this server has many Xen virtual machines which are a pain to reboot). Thanks for your help. On 25/12/2014 12:51 AM, mghofran@bidmc.harvard.edu wrote: > If your VG was not activated to begin with, you could not see any LV at all so "vgchange -a y" was not the way to go. > > If you still have the issue, please attach the results of: > > # vgdisplay -v /dev/array1 > # grep -I filter /etc/lvm/lvmconf > # vgscan > # ls -al /dev/mapper > > > -----Original Message----- > From: linux-lvm-bounces@redhat.com [mailto:linux-lvm-bounces@redhat.com] On Behalf Of G Crowe > Sent: Friday, December 19, 2014 6:08 PM > To: LVM general discussion and development > Subject: Re: [linux-lvm] Missing Logical Volumes > > > No, this didn't work. > > [root@host1 ~]# vgchange -ay array1 > 29 logical volume(s) in volume group "array1" now active > > And the missing /dev/mapper files were not created (I left one LV un-fixed to try any suggested solutions) > > All of the other LVs in the same VG are completely usable, so it doesn't seem to be a problem with the VG as a whole. > > > Thanks > > GC > > > On 20/12/2014 3:46 AM, Jack Waterworth wrote: >> It sounds like the VG was not activated. You can activate it with the >> following command: >> >> # vgchange -ay array1 >> >> Jack Waterworth, Red Hat Certified Architect >> Senior Storage Technical Support Engineer >> Red Hat Global Support Services ( 1.888.467.3342 ) >> >> On 12/19/2014 05:32 AM, G Crowe wrote: >>> After rebooting, some of my logical volumes did not have device files. >>> >>> /dev/array1/LVpics >>> and >>> /dev/mapper/array1-LVpics >>> did not exist but the output of "lvdisplay" said that the volume was >>> available (see below). >>> >>> vgscan did not resolve the problem. >>> >>> I was able to regain access to the LV by renaming it, then renaming >>> it back... >>> [root@host1 ~]# lvrename /dev/array1/LVpics /dev/array1/LVpicsnew >>> Renamed "LVpics" to "LVpicsnew" in volume group "array1" >>> [root@host1 ~]# lvrename /dev/array1/LVpicsnew /dev/array1/LVpics >>> Renamed "LVpicsnew" to "LVpics" in volume group "array1" >>> >>> There are 29 LVs in the VG and 25 of them came up OK and 4 had this >>> problem. Note that there is only one single PV (a RAID6 array) in the >>> VG, and there are two VGs on the machine. >>> >>> Is this expected behaviour, or is it something I should be worried >>> about? >>> >>> >>> >>> --- Logical volume --- >>> LV Path /dev/array1/LVpics >>> LV Name LVpics >>> VG Name array1 >>> LV UUID WH7g9u-Ls7J-fIpQ-Hk2p-mUuH-QRKf-9uxcM2 >>> LV Write Access read/write >>> LV Creation host, time example.com, 2013-11-26 07:29:51 +1100 >>> LV Status available >>> # open 0 >>> LV Size 350.00 GiB >>> Current LE 89600 >>> Segments 2 >>> Allocation inherit >>> Read ahead sectors auto >>> - currently set to 256 >>> Block device 253:9 >>> >>> >>> I am running Fedora 19 with kernel 3.11.9-200.fc19.x86_64 >>> >>> >>> Thanks >>> >>> GC >>> >>> _______________________________________________ >>> linux-lvm mailing list >>> linux-lvm@redhat.com >>> https://www.redhat.com/mailman/listinfo/linux-lvm >>> read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/ >> _______________________________________________ >> linux-lvm mailing list >> linux-lvm@redhat.com >> https://www.redhat.com/mailman/listinfo/linux-lvm >> read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/ > _______________________________________________ > linux-lvm mailing list > linux-lvm@redhat.com > https://www.redhat.com/mailman/listinfo/linux-lvm > read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/ > > This message is intended for the use of the person(s) to whom it may be addressed. It may contain information that is privileged, confidential, or otherwise protected from disclosure under applicable law. If you are not the intended recipient, any dissemination, distribution, copying, or use of this information is prohibited. If you have received this message in error, please permanently delete it and immediately notify the sender. Thank you. > > _______________________________________________ > linux-lvm mailing list > linux-lvm@redhat.com > https://www.redhat.com/mailman/listinfo/linux-lvm > read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/