All Questions
7
questions
1
vote
1
answer
244
views
Where is mounted LVM snapshot volume's size come from?
I'm learning to do backup database with LVM snapshot.
While on it, I found some behavior of snapshot that I can't get it.
Here is my setup:
1 Physical Volume and Volume Group from it with size 1.95T (...
- 11
1
vote
0
answers
30
views
How to determine how the data was set when creating the ext4 on the raid0 LVM
I am working on consistent snapshots verifications. We snapshotted the raw device attached (saying two drives sdb and sdc) to a host and want to check the data was preserved with the desired orders as ...
- 21
1
vote
1
answer
690
views
Does multiple snapshots influence the performance?
My desktop system(Kubuntu-20.04.4, with LVM2 root-fs) need to be frequently adjusted the configurations, but some configuration would be fault.
I take a new LVM2 snapshot of root fs, before every time ...
- 239
0
votes
1
answer
444
views
How to setup a Ubuntu server 16.04 host machine, for running several virtual machines
i need some help with setting up my host machine for running virtual servers on ubuntu server.
I have a server with 4x2TB SAS which are in raid6 using raid adapter (dell perc h730p).
The idea is to ...
- 101
1
vote
1
answer
798
views
Cloning an LVM2 thin pool with all the snapshots
Need to clone a 400gb pool onto another machine. Will this work?
First I collect the data about the existing pool:
[root@oktest-prod-db-2 ~]# lvdisplay --units B vg_oktestdb2/pool
--- Logical ...
- 514
0
votes
1
answer
999
views
Using Linux LVM snapshots for system backups - "semop failed for cookie" error
I'm running Ubuntu 11.04, with the / partition in an encrypted LVM volume. /home is in the same logical volume. I'm trying to use the LVM snapshot functionality to enable time-consistent backups of ...
- 1,985
13
votes
4
answers
2k
views
How to make a redundant desktop system with daily snapshots? (Is btrfs ready for use?)
I want to configure a desktop system in which the home filesystem would be redundant (e.g. RAID-1), and would have weekly snapshots taken. I've already done this with ZFS, the snapshot system is ...
- 940