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https://github.com/amadvance/snapraid.git
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Add a new -A, --stats option
This commit is contained in:
Andrea Mazzoleni
parent
c3d34734ae
commit
93804c20c3
5 changed files with 149 additions and 16 deletions
3
HISTORY
3
HISTORY
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@ -3,7 +3,8 @@ SnapRAID HISTORY
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13.0 2025/XX
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============
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* Add new thermal protection configuration options:
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* Add a new -A, --stats option for an extensive view of the process.
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* Add new thermal protection configuration options:
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- temp_limit TEMPERATURE_CELSIUS
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Sets the maximum allowed disk temperature. When any disk exceeds this
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limit, SnapRAID stops all operations and spins down the disks to prevent
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@ -327,6 +327,7 @@ struct option long_options[] = {
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{ "error-limit", 1, 0, 'L' },
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{ "import", 1, 0, 'i' },
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{ "log", 1, 0, 'l' },
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{ "stats", 0, 0, 'A' },
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{ "force-zero", 0, 0, 'Z' },
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{ "force-empty", 0, 0, 'E' },
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{ "force-uuid", 0, 0, 'U' },
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@ -441,7 +442,7 @@ struct option long_options[] = {
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{ "test-io-cache", 1, 0, OPT_TEST_IO_CACHE },
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/* Print IO stats */
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{ "test-io-stats", 0, 0, OPT_TEST_IO_STATS },
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{ "test-io-stats", 0, 0, OPT_TEST_IO_STATS }, /* now replaced by -A, --stats */
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/* Signal condition variable outside the mutex */
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{ "test-cond-signal-outside", 0, 0, OPT_TEST_COND_SIGNAL_OUTSIDE },
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@ -487,11 +488,11 @@ struct option long_options[] = {
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#endif
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/*
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* Free letters: AgIjJkKMnPQrtuxXWz
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* Free letters: gIjJkKMnPQrtuxXWz
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*
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* The 's' letter is used in main.c
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*/
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#define OPTIONS "c:f:d:mebp:o:S:B:L:i:l:ZEUDNFRahTC:vqHVGw:"
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#define OPTIONS "c:f:d:mebp:o:S:B:L:i:l:AZEUDNFRahTC:vqHVGw:"
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volatile int global_interrupt = 0;
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@ -766,6 +767,9 @@ int snapraid_main(int argc, char* argv[])
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}
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log_file = optarg;
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break;
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case 'A' :
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opt.force_stats = 1;
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break;
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case 'Z' :
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opt.force_zero = 1;
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break;
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58
snapraid.1
58
snapraid.1
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@ -53,6 +53,10 @@ snapraid [\-c, \-\-conf CONFIG]
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[\-L, \-\-error\-limit NUMBER]
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.PD 0
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.PP
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.PD
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[\-A, \-\-stats]
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.PD 0
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.PP
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.PD
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[\-v, \-\-verbose] [\-q, \-\-quiet]
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.PD 0
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@ -1097,6 +1101,37 @@ Applies a global bandwidth limit for all disks. The RATE is
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the number of bytes per second. You can specify a multiplier
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as K, M, or G (e.g., \-\-bw\-limit 1G).
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.TP
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.B \-A, \-\-stats
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Enables an extended status view that shows additional information.
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.PP
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.RS 4
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The screen displays two graphs:
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.RE
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.PP
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.RS 4
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The first graph shows the number of buffered stripes for each
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disk, along with the file path of the file currently being
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accessed on that disk. Typically, the slowest disk will have
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no buffer available, which determines the maximum achievable
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bandwidth.
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.RE
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.PP
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.RS 4
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The second graph shows the percentage of time spent waiting
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over the past 100 seconds. The slowest disk is expected to
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cause most of the wait time, while the other disks should have
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little or no wait because they can use their buffered stripes.
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This graph also shows the time spent waiting for hash
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calculations and RAID computations.
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.RE
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.PP
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.RS 4
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All computations run in parallel with disk operations.
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Therefore, as long as there is measurable wait time for at
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least one disk, it indicates that the CPU is fast enough to
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keep up with the workload.
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.RE
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.TP
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.B \-Z, \-\-force\-zero
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Forces the insecure operation of syncing a file with zero
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size that before was not.
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@ -1456,10 +1491,25 @@ may interrupt SnapRAID.
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.SS temp_limit TEMPERATURE_CELSIUS
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Sets the maximum allowed disk temperature in Celsius. When specified,
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SnapRAID periodically checks the temperature of all disks using the
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smartctl tool. The current disk temperatures are displayed during
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processing. If any disk exceeds this limit, all operations stop and
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the disks are spun down (put into standby) for the duration defined
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by \[dq]temp_sleep\[dq].
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smartctl tool. The current disk temperatures are displayed while
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SnapRAID is operating. If any disk exceeds this limit, all operations
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stop and the disks are spun down (put into standby) for the duration
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defined by \[dq]thermal_sleep\[dq].
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.PP
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During operation, SnapRAID also analyzes the heating curve of each
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disk and estimates the long\-term steady temperature they are expected
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to reach if activity continues. This predicted steady temperature is
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shown in parentheses next to the current value and helps assess
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whether the system’s cooling is adequate.
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.PP
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To perform this analysis, SnapRAID needs a reference for the ambient
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system temperature. It first attempts to read it from available
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hardware sensors. If no system sensor can be accessed, it uses the
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lowest disk temperature measured at the start of the run as a fallback
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reference.
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.PP
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Normally, SnapRAID shows only the temperature of the hottest disk.
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To display the temperature of all disks, use the \-A or \-\-stats option.
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.SS temp_sleep TIME_IN_MINUTES
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Sets the standby time, in minutes, when the temperature limit is
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reached. During this period, the disks remain spun down. The default
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47
snapraid.d
47
snapraid.d
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@ -15,6 +15,7 @@ Synopsis
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: [-R, --force-realloc]
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: [-S, --start BLKSTART] [-B, --count BLKCOUNT]
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: [-L, --error-limit NUMBER]
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: [-A, --stats]
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: [-v, --verbose] [-q, --quiet]
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: status|smart|probe|up|down|diff|sync|scrub|fix|check
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: |list|dup|pool|devices|touch|rehash
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@ -822,6 +823,29 @@ Options
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the number of bytes per second. You can specify a multiplier
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as K, M, or G (e.g., --bw-limit 1G).
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-A, --stats
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Enables an extended status view that shows additional information.
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The screen displays two graphs:
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The first graph shows the number of buffered stripes for each
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disk, along with the file path of the file currently being
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accessed on that disk. Typically, the slowest disk will have
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no buffer available, which determines the maximum achievable
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bandwidth.
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The second graph shows the percentage of time spent waiting
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over the past 100 seconds. The slowest disk is expected to
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cause most of the wait time, while the other disks should have
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little or no wait because they can use their buffered stripes.
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This graph also shows the time spent waiting for hash
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calculations and RAID computations.
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All computations run in parallel with disk operations.
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Therefore, as long as there is measurable wait time for at
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least one disk, it indicates that the CPU is fast enough to
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keep up with the workload.
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-Z, --force-zero
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Forces the insecure operation of syncing a file with zero
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size that before was not.
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@ -1175,10 +1199,25 @@ Configuration
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temp_limit TEMPERATURE_CELSIUS
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Sets the maximum allowed disk temperature in Celsius. When specified,
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SnapRAID periodically checks the temperature of all disks using the
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smartctl tool. The current disk temperatures are displayed during
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processing. If any disk exceeds this limit, all operations stop and
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the disks are spun down (put into standby) for the duration defined
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by "temp_sleep".
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smartctl tool. The current disk temperatures are displayed while
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SnapRAID is operating. If any disk exceeds this limit, all operations
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stop and the disks are spun down (put into standby) for the duration
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defined by "thermal_sleep".
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During operation, SnapRAID also analyzes the heating curve of each
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disk and estimates the long-term steady temperature they are expected
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to reach if activity continues. This predicted steady temperature is
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shown in parentheses next to the current value and helps assess
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whether the system’s cooling is adequate.
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To perform this analysis, SnapRAID needs a reference for the ambient
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system temperature. It first attempts to read it from available
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hardware sensors. If no system sensor can be accessed, it uses the
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lowest disk temperature measured at the start of the run as a fallback
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reference.
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Normally, SnapRAID shows only the temperature of the hottest disk.
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To display the temperature of all disks, use the -A or --stats option.
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temp_sleep TIME_IN_MINUTES
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Sets the standby time, in minutes, when the temperature limit is
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47
snapraid.txt
47
snapraid.txt
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@ -19,6 +19,7 @@ snapraid [-c, --conf CONFIG]
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[-R, --force-realloc]
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[-S, --start BLKSTART] [-B, --count BLKCOUNT]
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[-L, --error-limit NUMBER]
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[-A, --stats]
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[-v, --verbose] [-q, --quiet]
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status|smart|probe|up|down|diff|sync|scrub|fix|check
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|list|dup|pool|devices|touch|rehash
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@ -881,6 +882,29 @@ SnapRAID provides the following options:
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the number of bytes per second. You can specify a multiplier
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as K, M, or G (e.g., --bw-limit 1G).
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-A, --stats
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Enables an extended status view that shows additional information.
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The screen displays two graphs:
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The first graph shows the number of buffered stripes for each
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disk, along with the file path of the file currently being
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accessed on that disk. Typically, the slowest disk will have
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no buffer available, which determines the maximum achievable
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bandwidth.
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The second graph shows the percentage of time spent waiting
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over the past 100 seconds. The slowest disk is expected to
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cause most of the wait time, while the other disks should have
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little or no wait because they can use their buffered stripes.
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This graph also shows the time spent waiting for hash
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calculations and RAID computations.
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All computations run in parallel with disk operations.
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Therefore, as long as there is measurable wait time for at
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least one disk, it indicates that the CPU is fast enough to
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keep up with the workload.
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-Z, --force-zero
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Forces the insecure operation of syncing a file with zero
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size that before was not.
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@ -1259,10 +1283,25 @@ may interrupt SnapRAID.
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Sets the maximum allowed disk temperature in Celsius. When specified,
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SnapRAID periodically checks the temperature of all disks using the
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smartctl tool. The current disk temperatures are displayed during
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processing. If any disk exceeds this limit, all operations stop and
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the disks are spun down (put into standby) for the duration defined
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by "temp_sleep".
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smartctl tool. The current disk temperatures are displayed while
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SnapRAID is operating. If any disk exceeds this limit, all operations
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stop and the disks are spun down (put into standby) for the duration
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defined by "thermal_sleep".
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During operation, SnapRAID also analyzes the heating curve of each
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disk and estimates the long-term steady temperature they are expected
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to reach if activity continues. This predicted steady temperature is
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shown in parentheses next to the current value and helps assess
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whether the system’s cooling is adequate.
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To perform this analysis, SnapRAID needs a reference for the ambient
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system temperature. It first attempts to read it from available
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hardware sensors. If no system sensor can be accessed, it uses the
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lowest disk temperature measured at the start of the run as a fallback
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reference.
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Normally, SnapRAID shows only the temperature of the hottest disk.
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To display the temperature of all disks, use the -A or --stats option.
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7.12 temp_sleep TIME_IN_MINUTES
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-------------------------------
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