virtualization revision 1.2.2.2
1 1.2.2.2 matt $NetBSD: virtualization,v 1.2.2.2 2008/03/23 00:23:07 matt Exp $ 2 1.2.2.2 matt 3 1.2.2.2 matt NetBSD Virtualization Roadmap 4 1.2.2.2 matt ============================= 5 1.2.2.2 matt 6 1.2.2.2 matt This is a small roadmap document, and deals with the virtualization 7 1.2.2.2 matt side of the operating system. 8 1.2.2.2 matt 9 1.2.2.2 matt NetBSD 5.0 will ship with the following virtualization elements in 10 1.2.2.2 matt place: 11 1.2.2.2 matt 12 1.2.2.2 matt 1. Xen 3 Dom0 [i386/amd64] 13 1.2.2.2 matt 2. Xen 3 DomU [i386/amd64] 14 1.2.2.2 matt 3. Xen 3 PAE DomU [i386] 15 1.2.2.2 matt 16 1.2.2.2 matt The following elements and projects are pencilled in for 5.0, but 17 1.2.2.2 matt please do not rely on them being there. 18 1.2.2.2 matt 19 1.2.2.2 matt 4. NetBSD/usermode 20 1.2.2.2 matt 5. virtualization jails via secmodel 21 1.2.2.2 matt 22 1.2.2.2 matt The following projects are expected to be included in NetBSD 6.0 23 1.2.2.2 matt 24 1.2.2.2 matt 6. iSCSI booting 25 1.2.2.2 matt 7. iSCSI device cloning 26 1.2.2.2 matt 8. Xen domU migration, suspend and resume 27 1.2.2.2 matt 9. Xen balloon driver support 28 1.2.2.2 matt 29 1.2.2.2 matt We expect to branch for the 5.0 release in April or May 2008, which would 30 1.2.2.2 matt put a NetBSD 5.0 Release date in Q4 2008. An annual release cycle would 31 1.2.2.2 matt thus mean that 6.0 would be branched in April or May 2009. 32 1.2.2.2 matt 33 1.2.2.2 matt Pictorially, this looks like: 34 1.2.2.2 matt 35 1.2.2.2 matt 2008 2009 36 1.2.2.2 matt Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug 37 1.2.2.2 matt |===|===|===|===|===|===|===|===|===|===|===|===|===|===|===|===|===|===|===| 38 1.2.2.2 matt 39 1.2.2.2 matt | ------- 5.0 --------- | | ------- 6.0 40 1.2.2.2 matt branch release branch 41 1.2.2.2 matt 42 1.2.2.2 matt 1-3 4,5 6 7 8 9 43 1.2.2.2 matt 44 1.2.2.2 matt We'll continue to update this roadmap as features and dates get firmed up. 45 1.2.2.2 matt 46 1.2.2.2 matt 47 1.2.2.2 matt Some explanations 48 1.2.2.2 matt ================= 49 1.2.2.2 matt 50 1.2.2.2 matt 4. NetBSD/usermode 51 1.2.2.2 matt ------------------ 52 1.2.2.2 matt 53 1.2.2.2 matt NetBSD/usermode is an port of NetBSD to a POSIX-compatible user-space, with 54 1.2.2.2 matt the intention that it should be possible to run the usermode version of 55 1.2.2.2 matt NetBSD on any POSIX-compatible operating system. 56 1.2.2.2 matt 57 1.2.2.2 matt Responsible: jmcneill 58 1.2.2.2 matt 59 1.2.2.2 matt 5. Virtualization Jails via secmodel 60 1.2.2.2 matt ------------------------------------ 61 1.2.2.2 matt 62 1.2.2.2 matt One novel way of creating jails for virtualization is to use a new 63 1.2.2.2 matt secmodel (part of the kauth framework), to isolate processes into 64 1.2.2.2 matt jail-based virtual machines. This is the basis of a paper to appear 65 1.2.2.2 matt in the AsiaBSDcon proceedings in March 2008. 66 1.2.2.2 matt 67 1.2.2.2 matt Responsible: bad 68 1.2.2.2 matt 69 1.2.2.2 matt 6. iSCSI booting 70 1.2.2.2 matt ---------------- 71 1.2.2.2 matt 72 1.2.2.2 matt In order to make Xen domains migration-friendly, the storage that the 73 1.2.2.2 matt domain uses must be based on some form of network-centric storage, either 74 1.2.2.2 matt NFS, or a SAN or IP-SAN. For IP-SANs, iSCSI booting will be used. 75 1.2.2.2 matt 76 1.2.2.2 matt Responsible: agc 77 1.2.2.2 matt 78 1.2.2.2 matt 7. iSCSI device cloning 79 1.2.2.2 matt ----------------------- 80 1.2.2.2 matt 81 1.2.2.2 matt To minimise the storage requirements for multiple domU booting, using 82 1.2.2.2 matt a standard root filesystem or block device for the domU is required, along 83 1.2.2.2 matt with some form of copy-on-write mechanism to preserve any modifications 84 1.2.2.2 matt that are made. 85 1.2.2.2 matt 86 1.2.2.2 matt Responsible: agc 87 1.2.2.2 matt 88 1.2.2.2 matt 8. Xen domU migration, suspend and resume 89 1.2.2.2 matt ----------------------------------------- 90 1.2.2.2 matt 91 1.2.2.2 matt Xen domU migration is where a domU domain is moved from one dom0 to 92 1.2.2.2 matt another dom0 on the same vlan (to avoid networking problems, the 93 1.2.2.2 matt virtual arp address migrates with the domU itself). 94 1.2.2.2 matt 95 1.2.2.2 matt Responsible: bouyer 96 1.2.2.2 matt 97 1.2.2.2 matt 9. Xen balloon driver support 98 1.2.2.2 matt ----------------------------- 99 1.2.2.2 matt 100 1.2.2.2 matt The balloon driver allows more memory to be added to a running Xen domU 101 1.2.2.2 matt instance; this allows extra memory to be used by the domU for resource 102 1.2.2.2 matt peak needs. 103 1.2.2.2 matt 104 1.2.2.2 matt Responsible: bouyer 105 1.2.2.2 matt 106 1.2.2.2 matt 107 1.2.2.2 matt Alistair Crooks 108 1.2.2.2 matt Thu Mar 6 22:36:19 GMT 2008 109
Indexes created Mon Aug 31 00:24:02 UTC 2026