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Promote 'nano' as a documented command

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Andrea Mazzoleni 2016-01-11 22:15:57 +01:00
parent 6ac01901b0
commit 8e443bd767
6 changed files with 62 additions and 6 deletions
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4
HISTORY
View file

@ -15,6 +15,10 @@ SnapRAID HISTORY
verified all the hashes. This allows recovering of moved files in case
a silent error is found during the hash verification check.
* In the configuration file 'data' is now a synonymous of 'disk'.
* Adds the 'nano' command intended to arbitrarely set all the zero
subsecond timestamps. This improves the SnapRAID capabilities to
identify files. The 'status' command recommend to run 'nano' if
required.
9.2 2016/01
===========

2
Makefile.am
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@ -377,7 +377,7 @@ endif
$(MSG) Nano
touch -t 200102011234.56 bench/disk1/a/a*
$(TESTENV) ./snapraid$(EXEEXT) $(CHECKFLAGS) -c $(CONF) sync
$(TESTENV) ./snapraid$(EXEEXT) $(CHECKFLAGS) -c $(CONF) test-nano
$(TESTENV) ./snapraid$(EXEEXT) $(CHECKFLAGS) -c $(CONF) nano
$(MSG) Check the --gen-conf command
$(TESTENV) ./snapraid$(EXEEXT) $(CHECKFLAGS) --gen-conf bench/content
$(MSG) Filter

2
cmdline/snapraid.c
View file

@ -828,7 +828,7 @@ int main(int argc, char* argv[])
operation = OPERATION_REWRITE;
} else if (strcmp(argv[optind], "test-read") == 0) {
operation = OPERATION_READ;
} else if (strcmp(argv[optind], "test-nano") == 0) {
} else if (strcmp(argv[optind], "nano") == 0) {
operation = OPERATION_NANO;
} else if (strcmp(argv[optind], "up") == 0) {
operation = OPERATION_SPINUP;

18
snapraid.1
View file

@ -54,7 +54,7 @@ snapraid [\-c, \-\-conf CONFIG]
.PD 0
.PP
.PD
|up|down|pool|devices|rehash
|up|down|pool|devices|nano|rehash
.PD 0
.PP
.PD
@ -913,6 +913,22 @@ array, but in some more complex configurations, you may have multiple
low level devices used by a single disk in the array.
.PP
Nothing is modified.
.SS nano
Sets arbitrarely the sub\-second timestamp of all the files
that have it at zero.
.PP
This improves the SnapRAID capability to recognize moved
and copied files as it makes the timestamp almost unique,
removing possible duplicates.
.PP
More specifically, if the sub\-second timestamp is not zero,
a moved or copied file is identified as such if it matches
the name, size and timestamp. If instead the sub\-second timestamp
is zero, it\'s cosidered a copy only if it matches the full path,
size and timestamp.
.PP
Note that the second precision timestamp is not modified,
and all the dates and times of your files will be maintained.
.SS rehash
Schedules a rehash of the whole array.
.PP

19
snapraid.d
View file

@ -15,7 +15,7 @@ Synopsis
: [-L, --error-limit NUMBER]
: [-v, --verbose] [-q, --quiet]
: status|smart|up|down|diff|sync|scrub|fix|check|list|dup
: |up|down|pool|devices|rehash
: |up|down|pool|devices|nano|rehash
:snapraid [-V, --version] [-H, --help] [-C, --gen-conf CONTENT]
@ -630,6 +630,23 @@ Commands
Nothing is modified.
nano
Sets arbitrarely the sub-second timestamp of all the files
that have it at zero.
This improves the SnapRAID capability to recognize moved
and copied files as it makes the timestamp almost unique,
removing possible duplicates.
More specifically, if the sub-second timestamp is not zero,
a moved or copied file is identified as such if it matches
the name, size and timestamp. If instead the sub-second timestamp
is zero, it's cosidered a copy only if it matches the full path,
size and timestamp.
Note that the second precision timestamp is not modified,
and all the dates and times of your files will be maintained.
rehash
Schedules a rehash of the whole array.

23
snapraid.txt
View file

@ -19,7 +19,7 @@ snapraid [-c, --conf CONFIG]
[-L, --error-limit NUMBER]
[-v, --verbose] [-q, --quiet]
status|smart|up|down|diff|sync|scrub|fix|check|list|dup
|up|down|pool|devices|rehash
|up|down|pool|devices|nano|rehash
snapraid [-V, --version] [-H, --help] [-C, --gen-conf CONTENT]
@ -684,7 +684,26 @@ low level devices used by a single disk in the array.
Nothing is modified.
5.16 rehash
5.16 nano
---------
Sets arbitrarely the sub-second timestamp of all the files
that have it at zero.
This improves the SnapRAID capability to recognize moved
and copied files as it makes the timestamp almost unique,
removing possible duplicates.
More specifically, if the sub-second timestamp is not zero,
a moved or copied file is identified as such if it matches
the name, size and timestamp. If instead the sub-second timestamp
is zero, it's cosidered a copy only if it matches the full path,
size and timestamp.
Note that the second precision timestamp is not modified,
and all the dates and times of your files will be maintained.
5.17 rehash
-----------
Schedules a rehash of the whole array.