Linked Questions
25 questions linked to/from LVM dangers and caveats
48
votes
10
answers
17k
views
Linux on VMware - why use partitioning?
When installing Linux VMs in a virtualized environment (ESXi in my case), are there any compelling reasons to partition the disks (when using ext4) rather than just adding separate disks for each ...
- 553
2
votes
1
answer
3k
views
Is it a good practice to put all partitions into LVM? [closed]
I would like to know what is the best practice regarding the partitioning policy, especially when it comes to Logical Volume Manager.
Is it better to put the entire partitioning into LVM or use it ...
- 587
14
votes
2
answers
4k
views
HP DL380p Gen8 (p420i controller) I/O oddity on XFS partitions
On DL380p gen8 servers using XFS on top of LVM on top of raid 1+0 with 6 disks, an identical workload results in a ten-fold increase in disk writes on RHEL 6 compared to RHEL 5, making applications ...
- 19.5k
2
votes
2
answers
3k
views
ZFS/Btrfs/LVM2-like storage with advanced features on Linux? [closed]
I have 3 identical internal 7200 RPM SATA hard disk drives on a Linux machine. I'm looking for a storage set-up that will give me all of this:
Different data sets (filesystems or subtrees) can have ...
- 256
21
votes
7
answers
8k
views
Which filesystem for large LVM of disks (8 TB)?
I have a Linux server with many 2 TB disks, all currently in a LVM resulting in about 10 TB of space. I use all this space on an ext4 partition, and currently have about 8,8 TB of data.
Problem is, I ...
- 221
5
votes
3
answers
2k
views
increase disk size - use LVM or not?
A co-worker asked me why we should use LVM. With my limited LVM knowledge, I said because it allow you to easily resize/manage volumes!
His idea is this:
We use ESX, and have the ability to increase ...
- 117
1
vote
6
answers
3k
views
Safe filesystem for Email homedir storage? XFS? JFS? Btrfs? Reiser4?
i'm building an email system and considering some filesystem that support online-resize, safe when power-outage, and does not restrict number of files per directory(or at least can hold some millions ...
- 91
5
votes
3
answers
7k
views
Any way to recover ext4 filesystems from a deleted LVM logical volume?
The other day I had a proper brain fart moment while expanding a disk on a Linux guest under Vmware. I stretched the Vmware disk file to the desired size and then I did what I usually do on Linux ...
- 163
1
vote
2
answers
2k
views
XFS on LVM or directly on MD array?
I have a RAID6 array consisting of 10x2TB drives that I will be using as a NAS device. The server enclosure has 6 additional bays that I may use for future expansion. The storage will all be 500G-1T ...
- 1,689
14
votes
4
answers
17k
views
Which filesystems offer snapshot functionality for users to recover data?
I'm working on a project that will teach linux to youth. Knowing they will have a tendency to delete or corrupt items in their home directories we are looking for a good snapshot option. We will not ...
- 903
3
votes
1
answer
5k
views
LVM-on-RAID vs RAID10 vs RAID6
In the spirit of the question LVM mirroring VS RAID1 I thought I'd push a bit further.
Suppose I have 4 identical hard drives (e.g. 1TB) that I want in a RAID setup for a backup/media server. LVM ...
- 8,162
2
votes
1
answer
711
views
LVM resize /home and /
Here are my partitions:
[awake@desktop ~]$ sudo df -h
Filesystem Size Used Avail Use% Mounted on
rootfs 36G 2.5G 33G 8% /
udev 495M 0 495M 0% /...
- 337
35
votes
4
answers
17k
views
LVM snapshots vs. file system snapshots
As far as I know, LVM makes it possible to take snapshots of a volume. There are also a number of file systems (ZFS, Btrfs, reiserfs, ...) which supports snapshots.
However, I've never understood the ...
- 507
4
votes
3
answers
3k
views
Is KVM stable enough for production use in 2011?
We are planning to virtualize the existing infrastructure by an open source virtualization solution. KVM and Xen are on the final list. Big cloud players are still using Xen, and we found that KVM is ...
- 43
13
votes
5
answers
16k
views
What are the benefits of the Logical Volume Manager [closed]
What are the features and potential benefits of Logical Volume Manager beyond what is detailed on its Wikipedia page?