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Questions tagged [lvm]

In computer storage, Logical Volume Management or LVM provides a method of allocating space on mass-storage devices that is more flexible than conventional partitioning schemes.

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Building and installing a kernel that can mount / from an EXT3 on an LVM2 device

I have an ageing but much loved Fedora Core 6 box for which I am attempting to compile a kernel more recent than 2.6.22, in order that I might employ its support for an eSATA card. My Fedora box has a pair of 500G disks & uses LVM2 to pool most of…
Martin Cowie
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Converting raw image to LVM. Won't mount afterwards

According to this post, it should be okay, to use dd to convert a raw Xen image to LVM. What I have done dd if=/vm.img of=/dev/vg00/vm I can mount vm.img with mount -o loop vm.img /root/tmp. It only have one bootable partition. But I can't mount…
Sandra
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LVM 2 snapshots and free blocks

LVM 2 snapshots works as COW. However the block may change even if it is not used anymore. As SSD disks may need marking of free/used blocks to better manage blocks, the API was introduced into Linux to mark free/used blocks. My question is - does…
Maciej Piechotka
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how to allocate percentage of a PV to a VG in lvm

I have 3 RAID arrays in my server, mapped to 2 PVs in my lvm2 setup. apollo:~# pvs PV VG Fmt Attr PSize PFree /dev/sda1 apollo lvm2 a- 3.64T 0 /dev/sda2 apollo lvm2 a- 1.14T 0 /dev/sdb apollo1 lvm2 a- 2.05T…
bobinabottle
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Extending storage space with SAN/iSCSI

I'll be creating a Linux storage server with several TB capacity using a hardware RAID array. But I was wondering, what are my options for extending it in the future? To be more specifiec, if I create a volume group with the local RAID array as…
Halfgaar
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LVM issues when adding a newly-carved LUN from a Clariion - pvcreate fails

This seems to be a semi-common issue asked, but I have not yet found a good solution. I try the following: [root@localhost ~]# pvcreate /dev/sdc Can't open /dev/sdc exclusively. Mounted filesystem? This forum post shows the user's solution to have…
warren
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Manual LVM Clustering or formatting leading to Input/Output Errors

I'm trying to use LVMs on multiple machines at once without the use of CLVM. My reason for doing so is that I've found CLVM rather unstable and a pain to get working in the flexible way in which I want it. Given that I know which servers will be…
Joe
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How to use LVM on Rackspace Cloud

I am trying to set up a simple but effective solution to make a backup of my rackspace cloud servers. These servers each run subversion, trac, and some database-backed custom php applications. My idea is to set up a LVM and mount a volume under,…
batrick
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How to mount a drbd/gfs logical volume from Xen VM?

Any hint on how to do this for primary/primary? I have drbd and gfs running ok, I can see the logical volume from the DomU but dont know how to mount it. Should I install gfs on DomU and mount??? Thanks Cris
None
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Does /boot safe on top of a lvm LV (logical volume)?

Title already asked the question. More specifically, I read in some documents that logical volumes are nice in general but not for /boot in a linux system. They say that bootloaders don't understand LVM volumes, so create a separate partition for…
fantoman
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What could be causing LVM errors on first boot after install in Debian?

I've installed Debian (lenny) on a machine at home. It was set up during install to have a /boot partition, then the rest was encrypted, then had an LVM ontop of that, then all the other partitons inside LVM. After install completed and on first…
ianfuture
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Create Azure Red hat template with custom LVM partitions

I want to prepare Azure template for Red Hat 8 servers with packer and I'm facing problem with setting custom LVM partitions. For example, I want separate /var/tmp, /var/log etc. I deployed some VMs based on marketplace image and they have default…
matix324
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mount LVM2 dump or extract files

I have a dump of a filesystem. I dont know how it was created. I want to extract all the files and the filestructure. file dump.bin says it is a LVM2 PV (Linux Logical Volume Manager) file and prints a UUID and the size. I tried to use kpartx like…
Vincent
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Best Option for Compatibility of "Linux Journaling File System" and "Volume Manager" with Microsoft Azure VMs

I'm in the process of setting up a Ubuntu Desktop VM on a bare metal server using VMware vSphere. Once the development process is complete, I plan to transfer the VM to Microsoft Azure VM infrastructure for production using Veeam Backup &…
user20766
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LVM Thin pool performance with NVMe

I have 24 Samsung PM1733 7.68 TB and a server platform Gigabyte R282-Z94 with 2x 7702 64cores AMD EPYC. OS: Oracle Linux 8.6, 5.4.17-2136.311.6.el8uek.x86_64 I need this server for testing so I have to use a thin pool in my environment (i need…
shallrise
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