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replaced NTPSec with chrony #121

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merged 1 commit into from
Sep 13, 2023
Merged

replaced NTPSec with chrony #121

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4 changes: 4 additions & 0 deletions tp2bmc/board/tp2bmc/overlay/etc/chrony.conf
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Original file line number Diff line number Diff line change
@@ -0,0 +1,4 @@
pool pool.ntp.org iburst
makestep 0.1 5
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Why limit is 5? I am not very well-versed in terminology, but all examples suggest 3.

Same for driftfile -- all examples listed it.

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  • driftfile: I want to limit file writes to eMMC, As a consequence this means that there is a potential for the clock to drift during startup. This is mitigated by rtcsync option, were we put more emphasis on making the RTC ticks leading.
  • makestep: since we don't write a drift file i want to instruct chrony to be a bit more aggressive with syncing the time by allowing more steps to sync to the correct time

rtcsync

2 changes: 1 addition & 1 deletion tp2bmc/configs/tp2bmc_defconfig
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Expand Up @@ -99,7 +99,7 @@ BR2_PACKAGE_MTD_UBIFS_UTILS=y
BR2_PACKAGE_MTD=y
BR2_PACKAGE_NANO=y
BR2_PACKAGE_NSS_MDNS=y
BR2_PACKAGE_NTPSEC=y
BR2_PACKAGE_CHRONY=y
BR2_PACKAGE_OPENSSH=y
BR2_PACKAGE_PICOCOM=y
BR2_PACKAGE_START_STOP_DAEMON=y
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