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- CI and DSSI clusters do not work in this particular release (ID#4389)
- 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.
- ULTRIX version 4.3 and 4.5 cannot be booted on any model of CHARON-VAX having an RQDX3 adapter (for example MicroVAXII, MicroVAX3600) and the ACE feature of CPU turned on. Workaround is to turn the ACE feature off. For details, see the following section of the "CHARON-VAX V4.6 for Linux - User's Guide". (ID#4383)
- A Valid Network license is not accepted automatically on expiration of the SL (Software License). It leads to CHARON-VAX stopping. (ID#4179)
The NCU utility sets the "gro" feature to OFF when it dedicates a networks card to CHARON-VAX. However this feature is still ON after Linux reboots (ID#4409)
If a network cable is disconnected, CHARON-VAX does not detect that link is down in the operating system (ID#4318)
- Unexpected exception (SCB + 004) machine check may happen on a VAX 4000 Model 700/705 under certain conditions (ID#4242)
- By default the layout of the right part of the PC keyboard is not mapped to the layout of the VT100 keyboard. Use a special script created by Geoff Kingsmill ( http://www.decuslib.com/decus/freewarev50/decxterm/decxterm ). Run this script, then run CHARON-VAX normally according to instructions in the Users's Guide. (ID#3030)
- By default a telnet session to the CHARON-VAX console port does not support ESC sequences of a VT100. To enable this open xterm, connect to CHARON-VAX and press "Ctrl-]" once connected. Then issue the "mode char" command to enable character mode. If it is also required to map the right part of the keyboard correctly, use the xterm started by Geoff Kingsmill's script (see above). (ID#3030)
Network speed auto negotiation works with some restrictions (see the table below). It is always recommended to use full duplex mode on the hosting server.
Host settings
VAX/VMS (autodetect mode)
1 Gbps full duplex
100 Mbps full duplex
100 Mbps full duplex
100 Mbps full duplex
100 Mbps half duplex
100 Mbps half duplex
10 Mbps full duplex
10 Mbps full duplex
10 Mbps half duplex
10 Mbps half duplex
Please note that CHARON-VAX has not been tested with SAN attached storage volumes over 2TB in size.
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