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Old November 19th 18, 08:44 AM posted to comp.sys.ibm.pc.hardware.storage
VanguardLH[_2_]
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Default SMART Self-test duplicate logs?

Tom Del Rosso wrote:

Lines got truncated. Trying again....

This drive does a long test every 2 weeks or 336 hours, but why does a
test sometimes get logged more than once?

Model Family: Hitachi Travelstar 5K320
Device Model: Hitachi HTS543216L9SA00

[...]

SMART Self-test log structure revision number 1
Num Test_Description Status Remaining
LifeTime(hours) LBA_of_first_error
# 1 Extended offline Completed without error 00% 30689
# 2 Extended offline Completed without error 00% 30689
# 3 Extended offline Completed without error 00% 30689
# 4 Extended offline Completed without error 00% 30689
# 5 Extended offline Completed without error 00% 30351
# 6 Extended offline Completed without error 00% 30015
# 7 Extended offline Completed without error 00% 29707
# 8 Extended offline Completed without error 00% 29707
# 9 Extended offline Completed without error 00% 29371
#10 Extended offline Completed without error 00% 29039


No mention of what software is running the test or it it uses its own
scheduler or the one in the OS (which is also not mentioned). If using
the OS schedule and the event is configured to wait until the computer
is idle and then resume an interrupted scheduled job, that could be one
reason why there is a doubled log entry. The lines you show don't
really show when the tests were executed or how long they ran (to make
sure they don't overlap, especially when the computer gets busy).