|
From: | kausik pal |
Subject: | [Qemu-devel] QEMU detachable overlays and Union Mounts |
Date: | Wed, 8 Jan 2014 11:26:28 +0530 |
If this message should go elsewhere, my apologies.
The desired scenario is like the following:-
-- -------------------- ----------------------- ----------------------
User1 Disk (RW) User2 Disk (RW) \ User3 Disk (RW)
----------------------- \ ---------------------- \ -----------------------
| \ | \ |
| \ | \ |
| \ | \ |
------------------------- \ ---------------------- \ ----------------------
Software 1 Disk \ Software 2 Disk \ Software 3 Disk
(Read Only) \ (Read Only) \ (Read Only)
-------------------------- ----------------------- ----------------------
--------------------------- -------------------------- ------------------------
(Hostname (VM1) (Hostname (VM2) (Hostname (VM3)
IP Address IP Address IP Address
Unique Data) Disk Unique Data) Disk Unique Data) Disk
(Read Only) (Read Only) / (Read Only)
--------------------------- --------------------------- / --------------------------
\ | /
\ | /
\ | /
\ | /
\ --------------------------------------- /
\ | OS Updates Disk 2(RO) | /
\ ---------------------------------------- /
\ | OS Updates Disk 1 (RO) | /
\ ----------------------------------------- /
\ | Base VM Image (RO) |/
---------------------------
To User1:- To
User2:- To User3:-
Hostname: - VM1 Hostname:-VM2 Hostname:-VM3
Software Installed: - Software1+Software2 Software Installed: - Software2+Software3 Software Installed:- Software3
Writable Disk:- User1 Disk Writable
Disk:- User2 Disk Writable Disk:- User3 Disk
Please let me know if the above scenario is possible utilizing QEMU.
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