Contents
What is the maximum logical volume size?
Table A-1 Volume Group Version Maximums
| Version 1.0 Volume Groups | Version 2.1 Volume Groups | |
|---|---|---|
| Maximum size of a physical volume | 2 TB | 16 TB |
| Maximum size of a volume group | 510 TB | 2048 TB |
| Maximum size of a logical volume | 16 TB | 256 TB |
| Maximum size of a physical extent | 256 MB | 256 MB |
What is the size of the largest logical volume you can configure using LVM?
For LVM volumes created with lvm2, the limit is determined by the kernel limits (and your disk space). The default extent size with SUSE Linux is 4MB. Therefore, the default maximum size is 4MB * 65534 = 256 GB. Note that your filesystem will also need to support sizes as large as your volume.
How do you change the stripe size of an existing striped logical volume?
Question: How can we change the stripe size of an existing logical volume? The logical volume (LV) must be converted to type RAID5 and then back to type striped to change the stripe size.
How to create a stripe across two volumes?
As with linear volumes, you can specify the extents of the physical volume that you are using for the stripe. The following command creates a striped volume 100 extents in size that stripes across two physical volumes, is named stripelvand is in volume group testvg. The stripe will use sectors 0-50 of /dev/sda1and sectors 50-100 of /dev/sdb1.
How is the number of stripes determined in lvcreate?
When you create a striped logical volume, you specify the number of stripes with the -i argument of the lvcreate command. This determines over how many physical volumes the logical volume will be striped.
How to create a striped volume in Linux?
Creating Striped Volumes 1. Introduction 1.1. Audience 1.2. Software Versions 1.3. Related Documentation 1.4. We Need Feedback! 2. The LVM Logical Volume Manager 2.1. New and Changed Features 2.1.1. New and Changed Features for Red Hat Enterprise Linux 6.0 2.1.2. New and Changed Features for Red Hat Enterprise Linux 6.1 2.1.3.
How big is a logical volume management disk?
To create our defined stripe size, we need to create one logical volume with 1GB size using my own defined Stripe size of 256KB. Now I’m going to stripe over only 3 PV’s, here we can define which pvs we want to be striped.