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Reports until 15:41, Thursday 07 July 2016
H1 CDS (DAQ, DCS)
david.barker@LIGO.ORG - posted 15:41, Thursday 07 July 2016 (28249)
summary of LDAS access to DAQ frame files

Dan confirmed how the frame files written by CDS are currently accessed by LDAS for archival and checking, summarized below.

h1fw0 writes to the ldas-h1-frames file system (located on SATABOYs in the warehouse)

h1fw1 writes to the cds-h1-frames file system (located on SATABOYs in the MSR)

h1fw0/ldas-h1-frames

science frames are copied over to LDAS every 64 secconds

science frames are read every 64 seconds to compare them with h1fw1's frame

commissioning frames are read every 64 seconds to compare them with h1fw1's frame

second trend files are copied over to LDAS archive area every 10 minutes

second trend files are read every 10 minutes to compare them with h1fw1's frame

minute trend files are copied over to LDAS archive area every 10 minutes

minute trend files are read every 10 minutes to compare them with h1fw1's frame

h1fw1/cds-h1-frames

science frames are read every 64 seconds to compare them with h1fw0's frame

commissioning frames are copied over to LDAS every 64 secconds

commissioning frames are read every 64 seconds to compare them with h1fw0's frame

second trend files are copied over to LDAS scratch area every 10 minutes

second trend files are read every 10 minutes to compare them with h1fw0's frame

minute trend files are copied over to LDAS scratch area every 10 minutes

minute trend files are read every 10 minutes to compare them with h1fw0's frame

 

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