The second PC running WIN95 resides
in the Telescope control room and is normally used by the observer
to control CIRSI. This PC is called CIROB
[CIRSI OBserver].
This PC uses a WIN95
application pcANYWHERE from
Symantec to control CIRSI remotely from the
telescope control room.
pcANYWHERE exports the Desktop from CIRCC to CIROB to allow
remote control of CIRCC.
pcANYWHERE is similar to XWindows
but in contrast exports the whole and not just a single
window or application.
In addition, to allow swapping
of IP numbers and to support an additional arbitrary PC, we
have introduced the IP name cirpc.
The two new names were registered
with the ING DNS.
To get things going:
The above is a pretty time consuming exercise and needs some
automated scripts to do the checking. One should do all the
tape writing using scripts so that one can verify what has been
done.
One problem that arises is that the lpss14 disks are only 9GB so
that a DDS3 tape can overflow over two disks. Maybe one should
write them in chunks orinially ie groups of 100runs. ie 2GB chunks
Example scripts are shown below:
make a directory called read-back
CIRSI INT Computer System Set-Up
Introduction
The
CIRSI
observing system consists of two PCs running WIN95. One
of these rides at the INT Prime Focus with the camera. This PC is called
CIRCC [CIRSI Camera Controller].
ING SUN Unix Cluster
CIRSI IP numbers
IP numbers used in Dec 97/Jan 98; May 98/Jun98 and at start of Oct/Nov 98 run
161.72.6.41 circc.roque.ing.iac.es * camera controller WIN95 PC
161.72.6.43 cirdr.roque.ing.iac.es * data reduction Linix PC
161.72.6.44 cirob.roque.ing.iac.es * observer's WIN95 PC
161.72.6.46 cirrm.roque.ing.iac.es * RGM laptop
161.72.6.47 circm.roque.ing.iac.es * CDM laptop
161.72.6.48 cirmb.roque.ing.iac.es * MGB laptop
IP used in Oct/Nov 98
On this run we added a 2nd Linux PC to our network. This is
intended as a data server cirds.
This was sassigned the IP number
used by mgb on previous runs.
161.72.6.41 circc.roque.ing.iac.es * cirsi camera controller WIN95 PC
161.72.6.43 cirdr.roque.ing.iac.es * cirsi data reduction Linux PC
161.72.6.44 cirob.roque.ing.iac.es * cirsi observer's WIN95 PC
161.72.6.46 cirrm.roque.ing.iac.es * RGM laptop
161.72.6.47 cirpc.roque.ing.iac.es * cirsi spare
161.72.6.48 cirds.roque.ing.iac.es * data server Linux PC
PC-WIN95 to Unix Networking [SMB/SAMBA]
We require PC-WIN95 to Unix netorking for two reasons:
Mapping Linux Netweok Drive on PC-WIN95
In order to make an external disk on a network visible to
a PC we have to "map" a network drive. In unix
speak is is like mounting a disk.
right click on the computer icon and map
CIRSI Overhead Timing tests
carried out on 03/04 Nov 1998 at 02am by rgm
CIRSI Disk IO Timing
.
time CIRSIgo; NDR; 0 quads; no saving; pre-read=true
hangs Pixcel/Remote
.
time CIRSIgo; NDR; 1 quad; no saving; pre-read=true
1.3; 1.3; 1.3; 1.3
time CIRSIgo; NDR; 4 quads; no saving; pre-read=true
4.5; 2.6; 2.6; 2.6
time CIRSIgo; NDR; 16 quads; no saving; pre-read=true
14.3; 7.6; 7.6; 7.6
.
time CIRSIgo; NDR; 1 quad; no saving; pre-read=false
1.5; 1.3; 1.3; 1.3
time CIRSIgo; NDR; 4 quads; no saving; pre-read=false
2.6; 2.6; 2.6; 2.6
time CIRSIgo; NDR; 16 quads; no saving; pre-read=false
7.6; 7.6; 7.6; 7.6
CIRSI INT Nightly Observing Notes - Oct 29 - Nov nn
You may need to make
this directory world writeable using: chmod 777 19981029
Pixel ini files
pixcel.ini.19981101.2147
Copying data from the Linux data-server to a data reduction machine
rcp cirob:data1_cirsi/19981031/83\* .
Starting up the observing system
Starting up Pixcel
CIRSI is run by a PC that rides with the instrument. This PC uses WIN95
as it operating system. WIN95 is a single user system and cannot
be run remotely. We currently use PCAnywhere from Symantec to allow
reomote operation of CIRSI. A PCAnywhere server runs on CIRCC the
Camerer Controller PC and A PCAnywhere client runs on CIROB, the
remote PC that the observer uses in the Telescope Control room.
Checking the pointing
To move to ap 2
Type ap 2 on TO TCS console
Features to watch for
Permission problems
This is what it should be:
-rw-r--r-- 1 cirsi 5700 118 Oct 29 14:51 .rhosts
chmod 666
Multiple IRAF accounts in the same group on the Data Reduction Machine
Data Archiving and verification procedures
At the INT the philosophy is to write a DDS3 DAT tape using the CIRDS DAT
drive during the day and read this back onto the local SPARC[lpss14] the
following night. The contents were then verified as descibed below and
the a 2nd DDS3 is written on this SPARC. If time permits this data could
then be read back on the CIRDR drive for verification. Therefore, one
has 2 copies of the data writtem and verified on two independent drives.
If you get an error under Linux
chmod 666 /dev/nst* as root
Institute of Astronomy, University of Cambridge, Madingley Road, Cambridge
CB3 OHA
Tel: +44-(0)-1223-337519/337548
FAX: +44-(0)-1223-337523
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