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- Note that CHARON network adapters "adapter_mode"/"EIx0_MODE" environment variable "100BaseT-FD" value leads to improper working of the virtual network adapters. It is recommended to use other values instead (if it is acceptable) or the default "Auto" value to make CHARON network adapters collect the speed and the duplex settings directly from the mapped host network adapter. (ID#4676)
- Note that the version of CHARON-AXP and the versions of all other CHARON products (for example CHARON-VAX) must be identical on the same host since all CHARON products use a singular set of shared libraries. Please contact STROMASYS in case if a corresponded version of the already installed CHARON products is needed.
- HW partitioning is not supported in CHARON, but it can present the same HW layout with its possibility to run multiple instances in the same time.
- "NCU" utility cannot be installed on RHEL7 due to absence of TUNCTL package. Just exclude its installation using the following command: "yum install *.rpm --exclude=*ncu*" (ID#4529)
- "NCU" utility may display incorrect network interface ("eth2") if user creates a bridge on one of the available host interfaces (ID#4563)
- Some problems with display of the status of the network adapters may appear after creating a virtual network interfaces in "NCU" utility (ID#4563)
- If CHARON is mapped to a physical CD-ROM it may be displayed as a "Virtual CD-ROM" in CHARON SRM console. It happens due to some restriction of the Linux CD-ROM interface ("dev/sr", "/dev/scd", "/dev/cdrom") - it does now allow to query actual peripheral identification (SCSI Vendor ID / SCSI Product ID). The workaround is:
- Usage of the "media_type" parameter in configuration file. See the User's Guide for more information.
- Usage of the SCSI Generic Interface ("/dev/sg<N>") rather than the CD-ROM ("dev/sr<N>", "/dev/scd<N>", "/dev/cdrom") interface. (ID#4564) - PCI Passthrough KGPSA emulation may work incorrectly if physical FC PCI adapter shares PCI interrupt line with any other PCI module(s)
- Installation of Digital UNIX 4.0g fails on AS4100 when FC is configured (ID#3191)Physical tapes and generic SCSI devices currently do not work. The patch will be released as soon as the problem is fixed.
- CHARON-AXP does not emulate LSI 53C810 SCSI controller. CHARON-AXP emulates Qlogic KZPBA SCSI controller, which is the reason that the earliest supported VMS version is 6.2-1H3, and earliest supported Tru64 version is 3.2. If the driver for KZPBA is installed on an earlier version of VMS or Tru64 before system transfer to CHARON-AXP, it will function on CHARON-AXP (ID#2291)
- Non fatal "ERRFMT BUGCHECK" message may appear on boot from a backup disk created by CHARON-AXP. This message does not affect OpenVMS normal startup (ID#3123)
- Telnet sessions to CHARON-AXP console ports do not support ESC sequences of VT100 by default. To enable it open xterm, connect to CHARON-AXP and press "Ctrl-]" once connected. Then issue a command "mode char" to enable character mode. If it is also required to map righthand part of the keyboard correctly use the xterm started by the Geoff Kingsmill script (see above). (ID#3030)
- "CRC error" may occur while running the command "BACKUP/LIST/REW MKA100:..." on OpenVMS Alpha Version 8.4. This problem can also be observed on AXP hardware (ID#2925)
- Some delay may be experienced during OpenVMS 7.3-2 boot if product is running under FC (ID#3368)
- There is no DE500-BA device driver for OpenVMS 6.2-1H3. VMS patches are necessary in order to support the DE500-BA device with the emulator models AS1200/AS4000/AS4100 (ID#3091). The VMS 6.2-1H3 patches for these models are:
ALPBOOT12_062
ALPLAN06_062
ALPCLUSIO01_062
ALPCPU1603_062 (is CPU specific for AS4100. Please check VMS patch documentation for relevant patches for other Alpha models) - The DE500-BA device error count will be equal to 1 on OpenVMS 8.2/8.3. It has no negative effect on VMS boot and operations (ID#2963)
- Performance tests can cause VMS 6.2-1H3 to hang on an emulated AS400
- The CHARON console does not appear in WebUI if running on WinXP x64 (ID#3956)
Network speed auto negotiation works with some restrictions (see the table below). It is always recommended to use full-duplex mode on the emulator host.
Host settings
VMS (autodetect mode)
Tru64 (autodetect mode)
1 Gbps full-duplex
100 Mbps full-duplex
100 Mbps full-duplex
1 Gbps half-duplex
100 Mbps half-duplex
100 Mbps half-duplex
100 Mbps full-duplex
100 Mbps full-duplex
100 Mbps full-duplex
100 Mbps half-duplex
100 Mbps half-duplex
100 Mbps half-duplex
10 Mbps full-duplex
10 Mbps full-duplex
10 Mbps full-duplex
10 Mbps half duplex
10 Mbps half duplex
10 Mbps half-duplex
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