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Questions tagged [lvm]

lvm (logical volume manager) is a software that allows disk partitionning by hiding the physical limitations of the underlying disks. It can make logical partitions from separate physical partitions even on separate disks, hide mirroring, allow increasing the size of a logical volume while used and so on

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Usage of "-Ay" "-cy" options in vgcreate

What do the options "-Ay" "-cy" in the vgcreate command do? I checked the man page but was unable to find them. for example: vgcreate -Ay -cy cluster_vg /dev/vdb
Geeshan
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/dev/mapper/fedora-root full to 96%, but more than 50% of the weight seems to be hidden

The facts: # ls -lh / total 80K drwxrwxrwx. 5 root root 4.0K May 26 2015 backUp lrwxrwxrwx. 1 root root 7 Aug 16 2014 bin -> usr/bin dr-xr-xr-x. 4 root root 3.0K Jan 5 14:13 boot drwxrwxrwx. 6 root root 4.0K Jul 16 12:01…
servoz
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GFS2 flags 0x00000005 blocked,join

I have cluster RHEL6, cman, corosync, pacemaker. After adding new memebers I got error in GFS mounting. GFS never mounts on servers. group_tool fence domain member count 4 victim count 0 victim now 0 master nodeid 1 wait state none members …
Oleg Ilyin
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pvcreate command and setting of extents

I am trying to find the way to create phisycal volume with specific range of extents. Vgcreate command has -s option for this(but this command is for groups). I read the man for pvcreate and did not find anything about setting extent size. Is there…
fuser
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Remove physical volumes from logical volume without losing data

# pvs output PV VG Fmt Attr PSize PFree /dev/xvdf server-backups-vol lvm2 a-- 1024.00g 0 /dev/xvdk server-backups-vol lvm2 a-- 1024.00g 0 /dev/xvdn server-backups-vol lvm2 a-- 1024.00g 0 …
bruchowski
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ElasticSearch issue when adding new path.data

I'm running a two nodes cluster Elasticsearch, 1 master + 1 node. Everything is running smoothly and all the indices are green, up and running (though no replica right now). My current elasticsearch configuration is: path.data =…
int 2Eh
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VERITAS: VxVM vxvol ERROR V-5-1-1654 keyword clean not recognized for init operation

I have installed the Veritas Volume Manager on Solaris 10. And I am trying to create volumes from the vmdisks. I have created the vmdisks and created the disk group with 2 vm disks. I have created almost 3 sub disks (with same length) in each of the…
Shashikanth Komandoor
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AWS EC2 taking snapshot or LVM of only folder

I am working on AWS ec2 instance. I have configured MongoDb on it. 1. I have 1TB storage space for mongo data to be store. 2. Other 50 GB for application to run. Since cost of taking snapshot of everything is huge, Can I take snapshot of only…
sangita
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Can take incremental LVM snapshots in linux?

I have just made a lvm snapshot of /opt partition then mounted that lvm to a /data.Is there is any way to take incremental lvm snapshots ?
Savana Rohit
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Resize lvm partition without shutting down VM

I resized a qcow2 image to a increase it's size, in the process I passed the wrong device to extend and now virt-filesystems displays: [root@node3 35]# virt-filesystems --long --parts --blkdevs -h -a disk.0 Name Type MBR Size …
CGeorges
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Unable to remove Volume Group due to Incorrect metadata area header checksum

I have three HDDs that I pulled from an old server. Couldn't remember what was on it or how it was configured until I stuck it into my new server to use for RAID5. I dd'ed all three hard drives and tried to mdadm --create a new RAID array and got…
Kenneth P. Hough
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solr performance on LVM

We've installed a cluster of one collection of 350M documents on 3 r3.2xlarge (60GB RAM) Amazon servers. The size of index on each shard is about 1.1TB and maximum storage on Amazon is 1 TB so we add 2 SSD EBS General purpose (1x1TB + 1x500GB) on…
M.Almokadem
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Postgresql 'main/pg_notify/0000': Stale NFS file handle

I have a Debian Wheezy computer running a Postgresql Server and NO NFS filesystems. After rebooting the computer, the following error has appeared: ls: cannot access 0000: Stale NFS file handle 516439 drwx------ 2 postgres postgres 8 Nov 12 20:25…
nsx
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Does anything auto deactivate LVM2 volumes

I have a daemon that creates and destroys LVM2 volumes (using lvcreate and lvremove). Between creating and destroying the volume it expects a device node to be present in /dev// However,for some reason every few weeks,…
Alex Zeffertt
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Restoring vhd images containing LVM to physical machine

I have a vhd image previously converted from a Hyper-v vhdx image. The vhd contains a Fedora core 20 installation with a standard /boot partition and a LVM containing root and swap. I use Acronis true image to restore the vhd to a real hard disk of…
Laars Camot
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