Oracle VM Server for SPARC 3.6.2 Supplemental Release Notes
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Oracle VM Server for SPARC 3.6.2
®
Supplemental Release Notes
February 2021
Part No: F24161Oracle VM Server for SPARC 3.6.2 Supplemental Release
Notes
These supplemental release notes contain information about Oracle VM Server for SPARC 3.6.2 software
releases including those that are delivered through Oracle Solaris 11.4 Support Repository Updates (SRUs):
■ “Resolved Issues in the Oracle Solaris 11.4 SRU 30 Release” on page 2
■ “Bugs Affecting the Oracle Solaris 11.4 SRU 30 Release” on page 3
■ “What's New in The Oracle VM Server for SPARC 3.6.2 Release” on page 4
■ “Resolved Issues in the Oracle VM Server for SPARC 3.6.2 Release” on page 4
■ “Bugs Affecting the Oracle VM Server for SPARC 3.6.2 Release” on page 5
■ “Documentation Issues in the Oracle VM Server for SPARC 3.6.2 Release” on page 7
For a list of the features added to each Oracle VM Server for SPARC release, see What's New in Oracle
VM Server for SPARC Software (https://www.oracle.com/virtualization/technologies/vm/
documentation-sparc-whatsnew.html).
For information about the supported hardware and minimum and fully qualified firmware, Oracle Solaris
OS and hardware, see Chapter 1, “System Requirements” in Oracle VM Server for SPARC 3.6 Installation
Guide.
For information about issues with the Oracle VM Server for SPARC 3.6 software, see Oracle VM Server for
SPARC 3.6 Release Notes.
Resolved Issues in the Oracle Solaris 11.4 SRU 30
Release
The following enhancement requests and bugs have been fixed for the Oracle Solaris 11.4 SRU 30 software
release:
15629872 auditing implementation is fragile & non-compliant
27997241 logctl should allow warning to be toggled (on, off)
28584729 ovmtdeploy man page should clearly document the autoexpand script usage
29860580 improve synchronization of vnet link up notification
29868186 ldmd to persist and replay FMA memory page retire operations when guests reboot
31238394 Vnet multi-level PVLAN support
31656790 vhba_tran_start_pkt_comp causes a deadlock
31657076 Disable vhba's support for AIO
31786717 Add klog support to vds
Oracle VM Server for SPARC 3.6.2 Supplemental Release Notes
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231806158 Concurrent DISCOVER commands hang after IO-domain reboot
31860801 Have WARNINGs in vhba_lu_wwns_compare display the actual WWN
31861942 create ::vds DCMD and fix ::walk-vd Walker
31905102 want kstat for tx watchdog and ldc related issues in vnet driver
31940538 migration core dump due to an incorrect assertion
31951339 Interrupting ls-netstat causes ldmd to abort
31951717 vsan.mask : improve an N-squared algorithm to O(n)
32009815 Use a hash table in vhba to manage SCSI dev WWNs
32071936 New SP config in status [next power on] instead of current
32170729 vdc WARNING: Error during OS install/boot from LDOM guest vdisk
32170882 update ldm man page now that warning messages can be controlled
32177570 vhba_mon_fini erroneously calls kmem_free
32208344 vdc can print the wrong SCSI opcode in vdc_scsi_status
32213903 vhba_wwn_cache_init: ... console spam after fix for 32009815
Bugs Affecting the Oracle Solaris 11.4 SRU 30 Release
Controlling the vhba Module's Use of Asynchronous I/O
The vHBA subsystem might undergo a significant negative performance impact for software that performs
asynchronous I/O (AIO). This negative performance occurred because the vhba module erroneously
serialized calls to the aioread() and aiowrite() routines. See the aioread(3C) and aiowrite(3C) man
pages. This behavior severely degraded latency and bandwidth for software such as Oracle's database
implementations.
The vhba:vhba_nointr kernel tunable in the /etc/system file specifies whether the vhba module uses
the AIO algorithm. When set to 0, the vhba module supports the AIO algorithm. When set to 1, the vhba
module does not use the new AIO algorithm.
Starting with the Oracle Solaris 11.4 SRU 30 release, the vhba:vhba_nointr tunable is set to 1 by default.
To improve performance when you run applications that use AIO, set the vhba:vhba_nointr value to 0.
You must reboot any domain in which the vhba module runs to ensure that the change takes affect.
Note that any software that issues synchronous I/O to the vhba module is unaffected by the vhba:
vhba_nointr tunable. Synchronous I/O uses the read(), pread(), write(), and pwrite() system calls. See
the pread(2), pwrite(2), read(2), and write(2) man pages.
Oracle VM Server for SPARC 3.6.2 Supplemental Release Notes
®
3What's New in The Oracle VM Server for SPARC 3.6.2
Release
The add-vsan-dev Command Now Supports Domain Migration
As a result of a bug fix (27974950) delivered in the Oracle VM Server for SPARC 3.6.2 update release, you
can now migrate a guest domain that has a vhba instance associated with a virtual SAN with mask=on.
New calculate-effective-max-pagesize Option for add-domain and
set-domainCommands
Starting with the Oracle VM Server for SPARC 3.6.2 update release, the new calculate-effective-max-
pagesize option for add-domain and set-domain appears. This option enables or disables the pagesize limit
pre-determined by Oracle Solaris for a domain.
Supported Oracle Solaris OS Versions
You must install at least the Oracle Solaris 11.4 SRU 16 OS in the control domain to obtain Oracle VM
Server for SPARC 3.6.2.
It is also highly recommended to run this same Oracle Solaris OS version (or later) in all domain types that
access physical I/O (service, root, and I/O).
For guest domains that use only virtualized I/O, you can run any version of Oracle Solaris supported on
your platform, but if running Oracle Solaris 11.4 OS, we highly recommend at least the SRU 16 release.
Oracle Solaris 11.4 SRU 16 OS resolves a couple issues that may impact vdisk operation.
Resolved Issues in the Oracle VM Server for SPARC
3.6.2 Release
The following enhancement requests and bugs have been fixed for the Oracle VM Server for SPARC 3.6.2
software release:
28900668 ldmd service goes into maintenance mode and guests do not show up post 11.3
upgrade
30283429 cli_ldom_migrate: 'args' is accessed after it is deallocated
30155421 Cannot migrate Guest having a vsan.mask (from 3.6.1. to 3.6.2)
29991766 ldom manager should have an option to turn calculation of max-eff-pgsz off
30240130 Error cases in memory dr may access freed memory
30086348 pkg uninstall puts SMF service into maintenance before removing it
Oracle VM Server for SPARC 3.6.2 Supplemental Release Notes
®
422828100 vsw backing device can be removed when linkprop still in phys-state, but cmd falsely
claims an error
29364087 Wrong error message output on attempt to use unsupported
IOV_DYNAMIC_OFFLINE_FORCE
29631511 Improve ldmpower error message when PM is disabled
29878508 Domain keeps effective-max-pagesize=16G after LDoms 3.4 to 3.5 upgrade, but it
drops to 256M when subsequently altered with "ldm" command
29896984 Incorrect grammar in error message
29809669 Solaris 11.4 (11.4.5.3.0) ldm list uptime showing incorrect information
29869666 mem dr may free response buf twice
27974950 add-vsan-dev feature does not support Migration
28386691 fma-phys-mem-service DS should be established before requesting blacklist replay
25886316 ldm cancel-reconf causes core dump if a root domain has VCC
29405331 ldmd dumps core on removal of last named CMI resource from primary
29351514 Second add of a specific named cmi resource fails on primary after cancel reconf
29349849 Migrated domains do not work on targeted node in OVM3.6.1 with PM, named cores
28633851 PM may not work normally after two successive PPARDRs.
29697593 LDOM not having any memory allocated after reboot (Super Cluster)
29623003 problem in OVMTEMPLAT/OVMTCONFIG
29469375 Improve error messaging for ldm evacuate-io command
29363569 PPAR DR(deleteboard) for a system board which had a VF failed
29557793 Ldm commands are slow and snmp timeout
28634524 concurrent set-mem on multiple domains may cause ldm core dump
Bugs Affecting the Oracle VM Server for SPARC 3.6.2
Release
Any bugs described in this section might also affect the Oracle VM Server for SPARC 3.6 software.
ldmd Dumps Core on ldm evacuate-io for a Loaned PCIe Card
Bug ID 30213683: The ldm evacuate-io and ldm restore-io commands are not supported for PCIe
devices that are loaned out to domains other than the one that owns the PCIe bus. This restriction is
Oracle VM Server for SPARC 3.6.2 Supplemental Release Notes
®
5not enforced in the code. As a result, attempting to do so will produce unpredictable results. Newer
Oracle SPARC systems do not support loaning out PCIe cards, so this is only an issue for Fujitsu SPARC
platforms.
calculate-effective-max-pagesize=off of a Guest Domain is Not
Migrated By ldm migrate-domain
Bug ID 30413014: By default, the Logical Domains Manager calculates effective maximum pagesize, for
example, calculate-effective-max-pagesize=on. To disable this calcuation, type:
-->ldm add-domain calculate-effective-max-pagesize=off
With calculate-effective-max-pagesize=off, Logical Domains Manager does not calculate effective
maximum pagesize after the is rebooted. When an is migrated, the calculate-effective-
max-pagesize flag is not migrated from the source domain to the target domain. The target domain
will have the default value of this flag, which is calculate-effective-max-pagesize=on. To disable
calculation of effective max pagesize for the target domain, type:
-->ldm add-domain calculate-effective-max-pagesize=off
Improve Use of Force in ldm evacuate-io and restore-io
Bug ID 30508890: If the target device for the evacuate-io command is a network device and the physical
function (PF) is providing a persistent Internet Protocol (IP) interface to the Root Domain in which it is
installed, then the evacuate-io command will fail. For example:
primary# ldm evacuate-io /SYS/RCSA/PCIE14
Failed to power off /SYS/RCSA/PCIE14 in domain nprd.
Error message from svc:/ldoms/agents in domain nprd:
Poweroff Failed. ERROR: devices or resources are busy.
/pci@30e/pci@1/network@0:
{ Hold: module specfs (modid=5): Device opened. }
{ Open: module udp6 (modid=87). }
{ Open: module udp (modid=86). }
{ Network interface net3 }
{ net3: plumbed but down }
{ Plumbed IP Address }
To allow the evacuate-io command to succeed, the IP interface must be deleted from the active
configuration and removed from the persistent configuration. The following command will delete and
remove the IP interface:
nprd# ipadm delete-ip netx
where netx is the net0-netn name for the interface. This net alias name for the NAC name used with the
evacuate-io command can be found in the output of the hotplug list -vl command.
Once the interface is deleted and removed, run the evacuate-io command again:
primary# ldm evacuate-io /SYS/RCSA/PCIE14
primary#
It is expected that the PF of the device in the Root Domain is generally not in use on field configurations
for those devices that are providing virtual functions (VFs) to other domains. So the exposure to this failure
mode is limited.
Oracle VM Server for SPARC 3.6.2 Supplemental Release Notes
®
6Documentation Issues in the Oracle VM Server for
SPARC 3.6.2 Release
Trap Configuration Examples Do Not Work For net-snmp v5.8
The examples in the “How to Send Traps” in Oracle VM Server for SPARC 3.6 Management Information
Base User’s Guide will not work when using net-snmp v5.8. To workaround this issue in net-snmp v5.8,
replace this command:
trapsink localhost
with this command:
trapsink -s 127.0.0.1:0 localhost
This is a known issue for net-snmp v5.8 that requires you to set a source. For more information, see https:
//sourceforge.net/p/net-snmp/mailman/message/36398374/.
Diversity and Inclusion
Oracle is fully committed to diversity and inclusion. Oracle recognizes the influence of ethnic and cultural
values and is working to remove language from our products and documentation that might be considered
insensitive. While doing so, we are also mindful of the necessity to maintain compatibility with our
customers' existing technologies and the need to ensure continuity of service as Oracle's offerings and
industry standards evolve. Because of these technical constraints, our effort to remove insensitive terms is
an ongoing, long-term process.
Oracle VM Server for SPARC 3.6.2 Supplemental Release Notes
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78
Oracle VM Server for SPARC 3.6.2 Supplemental Release Notes Part No: F24161 Copyright © 2021, Oracle and/or its affiliates. License Restrictions Warranty/Consequential Damages Disclaimer This software and related documentation are provided under a license agreement containing restrictions on use and disclosure and are protected by intellectual property laws. Except as expressly permitted in your license agreement or allowed by law, you may not use, copy, reproduce, translate, broadcast, modify, license, transmit, distribute, exhibit, perform, publish, or display any part, in any form, or by any means. Reverse engineering, disassembly, or decompilation of this software, unless required by law for interoperability, is prohibited. Warranty Disclaimer The information contained herein is subject to change without notice and is not warranted to be error-free. If you find any errors, please report them to us in writing. 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