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Entry time:
Sat Mar 29 11:35:43 2025
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This is not, I think, a new observation. Following FEE64 power cycles we sometimes observe delayed ( ~5-15 minutes ) authenticated mount requests as the FEE64s mount their root filesystem from the AIDA server aidas1 - see attachment 1. There also appears to be an instance of a *missing* authenticated mount request - nnaida10 at 19.51 So this is *a* (but probably not *the*) cause of FEE64 timeouts observed following a FEE64 power cycle and then waiting 10 minutes before attempting to start the MIDAS DAQ. I have noticed that these issues appear to be significantly worse when we are using NTFS-mounted USB disks to backup data from the AIDA server internal disks. Indeed, performance in general is noticeably slower when using the NTFS-mounted USB disks. Currently, we attempt to mitigate these issues by either throttling rsync or nice'ing cp.
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