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File Naming Convention
Names for stored files should adhere to the convention defined in Fall, 1998
by Joakim Nystrand; for example:
tpc_s10w_981020_18h_cos_t5_f3.xdf
The file name components are:
- s10w - Sector [here, 10 o'clock West]
- 981020 - Date [in the form yymmdd]
- 18h - Time at start of run [24h clock, 0-23)
- cos - Type of run [cos=Cosmic, ped=Pedestal, pul=PadPulser,
las=laser]
- t5 - Tape [here, Tape #5]
- f3 - File on tape [here, 3rd file on tape]
All TPC data files start with tpc; the .xdf suffix refers
to the file's device-independent format.
Copying Data to Mass Storage
In the following:
[filename] is defined according to the above convention, and
dump_file is an alias for dd if=/dev/rmt/0n of=!* ibs=32768'
-
Load the tape into deneb's /dev/rmt/0n Exabyte drive.
-
cd /home/deneb/star3/star/stage to go to deneb's stage directory.
-
dump_file [filename] to copy the tape to the local disk.
-
ftp sol.star.bnl.gov using your own login.
-
cd /star/tpca/startpc/tpc_oct98 or
cd /star/tpc/startpc/tpc_oct98b
-
binary to set the transfer format to "binary."
-
put [filename] tpc_s[sec]_[yymmdd]_[hh]h_[typ]_t[I]_f[J].xdf
to transfer the file and give it the right name in the target directory.
-
After copying, clean up /home/deneb/star3/star/stage.
For long-term storage Bill Love has suggested that we use both
mds and HPSS in order to have some redundancy, since
both systems have some problems.
Copying Data to Local Disk
The unbacked data areas on deneb are:
- /home/deneb/star1/star/data
- /home/deneb/star2/star/data
- /home/deneb/star3/star/data
The procedure is essentially the same as steps 1-3 for copying data
to mass storage. As before,
[filename] is defined according to the above convention, and
dump_file is an alias for dd if=/dev/rmt/0n of=!* ibs=32768'
-
Load the tape into deneb's /dev/rmt/0n Exabyte drive.
-
cd /home/deneb/star[1, 2 or 3]/star/stage
to go to deneb's stage directory.
-
dump_file [filename] to copy the tape to the local disk.
Last update: October 23, 1998
Page maintenance:
Roy Bossingham, LBNL
RRBossingham@lbl.gov