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-mx02.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id s2E7MC2E006826 for ; Fri, 14 Mar 2014 03:22:12 -0400 Received: from mail.gdp-group.com (mail.gdp-group.com [212.79.9.154]) by mx1.redhat.com (8.14.4/8.14.4) with SMTP id s2E7M7lV014037 for ; Fri, 14 Mar 2014 03:22:08 -0400 Received: from localhost (localhost [127.0.0.1]) by mail.gdp-group.com (Postfix) with ESMTP id BD81A9E95A8 for ; Fri, 14 Mar 2014 08:22:05 +0100 (CET) Received: from mail.gdp-group.com ([127.0.0.1]) by localhost (mail.gdp-group.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 25018-04 for ; Fri, 14 Mar 2014 08:22:02 +0100 (CET) Received: from [195.27.99.205] (unknown [195.27.99.205]) by mail.gdp-group.com (Postfix) with ESMTP id 8AAB39E94EC for ; Fri, 14 Mar 2014 08:22:02 +0100 (CET) Message-ID: <5322AE1A.4010505@gdp-group.com> Date: Fri, 14 Mar 2014 08:22:02 +0100 From: andreas nastke MIME-Version: 1.0 References: In-Reply-To: Content-Transfer-Encoding: 7bit Subject: Re: [linux-lvm] Expanded virtual disk for LVM: missing space? or free space? or no space? 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 you have 'set' the size to 229.99G -L 229.99G you want to 'increase' by 229.99G -L +229.99G Ogal Finklestein-Birl schrieb: > Greetings gurus: > > I do not deal with LVM on a daily basis, and I think my note-taking of > previous LVM commands needs to be polished. > > == Background == > Have a VM with 2 virtual disks, 30G (LVM only on 3rd partition) and 65G > (all LVM) respectively. > > A single VG on the server: VolGroup00; four LV's: LogVol00 to 03 > > > == Problem == > The 71G /usr/local (VolGroup00-LogVol02) hit 100% > > I shut the server down and increased the 65G virtual disk up to 295G > (+230G) -- the thought process: take /usr/local from 71G to ~300G. > > Booted into single and fdisk'ed a new /dev/sdb2 > > /dev/sda3 4298 30720 27057152 8e Linux LVM > /dev/sdb1 1 8485 68155731 83 Linux > /dev/sdb2 8486 38509 241167780 83 Linux > > > Consulted my notes and did the following: > > pvcreate /dev/sdb2 > umount -vv /usr/local > vgextend VolGroup00 /dev/sdb2 > lvextend -L 229.99G /dev/mapper/VolGroup00-LogVol02 > e2fsck -f /dev/mapper/VolGroup00-LogVol02 > resize2fs /dev/mapper/VolGroup00-LogVol02 > mount -vv /usr/local > df -h > > /dev/mapper/VolGroup00-LogVol02 227G 68G 148G 32% /usr/local > > My confusion came in when I saw 227G total and not 300G. > My suspicion was confirmed with pvdisplay -s (and pvs) > > Device "/dev/sda3" has a capacity of 0 > Device "/dev/sdb1" has a capacity of 0 > Device "/dev/sdb2" has a capacity of 71.83 GiB > > But I am confused even further; I thought pvdisplay was referring to the > physical disks, but fdisk does not show a missing 71G for /dev/sdb2 > > pvs > PV VG Fmt Attr PSize PFree > /dev/sda3 VolGroup00 lvm2 a-- 25.80g 0 > /dev/sdb1 VolGroup00 lvm2 a-- 65.00g 0 > /dev/sdb2 VolGroup00 lvm2 a-- 229.99g 71.83g > > vgs > VG #PV #LV #SN Attr VSize VFree > VolGroup00 3 4 0 wz--n- 320.79g 71.83g > > > == Questions == > Where did I go wrong, or did I go wrong? > > It obviously seems like I am missing 71G, but am I missing it and how do I > go about reclaiming it? > > > == Additional data == > pvdisplay > --- Physical volume --- > PV Name /dev/sda3 > VG Name VolGroup00 > PV Size 25.80 GiB / not usable 3.00 MiB > Allocatable yes (but full) > PE Size 4.00 MiB > Total PE 6605 > Free PE 0 > Allocated PE 6605 > > --- Physical volume --- > PV Name /dev/sdb1 > VG Name VolGroup00 > PV Size 65.00 GiB / not usable 2.33 MiB > Allocatable yes (but full) > PE Size 4.00 MiB > Total PE 16639 > Free PE 0 > Allocated PE 16639 > > --- Physical volume --- > PV Name /dev/sdb2 > VG Name VolGroup00 > PV Size 230.00 GiB / not usable 3.41 MiB > Allocatable yes > PE Size 4.00 MiB > Total PE 58878 > Free PE 18389 > Allocated PE 40489 > > > > vgdisplay -v > Finding all volume groups > Finding volume group "VolGroup00" > --- Volume group --- > VG Name VolGroup00 > System ID > Format lvm2 > Metadata Areas 3 > Metadata Sequence No 9 > VG Access read/write > VG Status resizable > MAX LV 0 > Cur LV 4 > Open LV 4 > Max PV 0 > Cur PV 3 > Act PV 3 > VG Size 320.79 GiB > PE Size 4.00 MiB > Total PE 82122 > Alloc PE / Size 63733 / 248.96 GiB > Free PE / Size 18389 / 71.83 GiB > > --- Logical volume --- > LV Path /dev/VolGroup00/LogVol01 > LV Name LogVol01 > VG Name VolGroup00 > LV Write Access read/write > LV Creation host, time , > LV Status available > # open 1 > LV Size 5.86 GiB > Current LE 1500 > Segments 1 > Allocation inherit > Read ahead sectors auto > - currently set to 256 > Block device 253:1 > > --- Logical volume --- > LV Path /dev/VolGroup00/LogVol00 > LV Name LogVol00 > VG Name VolGroup00 > LV Write Access read/write > LV Creation host, time , > LV Status available > # open 1 > LV Size 7.32 GiB > Current LE 1875 > Segments 1 > Allocation inherit > Read ahead sectors auto > - currently set to 256 > Block device 253:0 > > --- Logical volume --- > LV Path /dev/VolGroup00/LogVol03 > LV Name LogVol03 > VG Name VolGroup00 > LV Write Access read/write > LV Creation host, time , > LV Status available > # open 1 > LV Size 5.78 GiB > Current LE 1480 > Segments 1 > Allocation inherit > Read ahead sectors auto > - currently set to 256 > Block device 253:2 > > --- Logical volume --- > LV Path /dev/VolGroup00/LogVol02 > LV Name LogVol02 > VG Name VolGroup00 > LV Write Access read/write > LV Creation host, time , > LV Status available > # open 1 > LV Size 229.99 GiB > Current LE 58878 > Segments 3 > Allocation inherit > Read ahead sectors auto > - currently set to 256 > Block device 253:3 > > --- Physical volumes --- > PV Name /dev/sda3 > PV Status allocatable > Total PE / Free PE 6605 / 0 > > PV Name /dev/sdb1 > PV Status allocatable > Total PE / Free PE 16639 / 0 > > PV Name /dev/sdb2 > PV Status allocatable > Total PE / Free PE 58878 / 18389 > > > > lvdisplay -m > --- Logical volume --- > LV Path /dev/VolGroup00/LogVol01 > LV Name LogVol01 > VG Name VolGroup00 > LV Write Access read/write > LV Creation host, time , > LV Status available > # open 1 > LV Size 5.86 GiB > Current LE 1500 > Segments 1 > Allocation inherit > Read ahead sectors auto > - currently set to 256 > Block device 253:1 > > --- Segments --- > Logical extent 0 to 1499: > Type linear > Physical volume /dev/sda3 > Physical extents 0 to 1499 > > > --- Logical volume --- > LV Path /dev/VolGroup00/LogVol00 > LV Name LogVol00 > VG Name VolGroup00 > LV Write Access read/write > LV Creation host, time , > LV Status available > # open 1 > LV Size 7.32 GiB > Current LE 1875 > Segments 1 > Allocation inherit > Read ahead sectors auto > - currently set to 256 > Block device 253:0 > > --- Segments --- > Logical extent 0 to 1874: > Type linear > Physical volume /dev/sda3 > Physical extents 1500 to 3374 > > > --- Logical volume --- > LV Path /dev/VolGroup00/LogVol03 > LV Name LogVol03 > VG Name VolGroup00 > LV Write Access read/write > LV Creation host, time , > LV Status available > # open 1 > LV Size 5.78 GiB > Current LE 1480 > Segments 1 > Allocation inherit > Read ahead sectors auto > - currently set to 256 > Block device 253:2 > > --- Segments --- > Logical extent 0 to 1479: > Type linear > Physical volume /dev/sda3 > Physical extents 3375 to 4854 > > > --- Logical volume --- > LV Path /dev/VolGroup00/LogVol02 > LV Name LogVol02 > VG Name VolGroup00 > LV Write Access read/write > LV Creation host, time , > LV Status available > # open 1 > LV Size 229.99 GiB > Current LE 58878 > Segments 3 > Allocation inherit > Read ahead sectors auto > - currently set to 256 > Block device 253:3 > > --- Segments --- > Logical extent 0 to 1749: > Type linear > Physical volume /dev/sda3 > Physical extents 4855 to 6604 > > Logical extent 1750 to 18388: > Type linear > Physical volume /dev/sdb1 > Physical extents 0 to 16638 > > Logical extent 18389 to 58877: > Type linear > Physical volume /dev/sdb2 > Physical extents 0 to 40488 > > > Many thanks in advance! > Ogal > > > > ------------------------------------------------------------------------ > > _______________________________________________ > 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/