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Adjust the "smart" output formatting.

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This commit is contained in:
Andrea Mazzoleni 2015-01-20 23:04:17 +01:00
parent 41a496fe99
commit 6e02deb5d8
1 changed files with 18 additions and 18 deletions
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36
cmdline/device.c
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@ -276,7 +276,7 @@ static void printl(const char* str, size_t pad)
static void printp(double v, size_t pad)
{
char buf[64];
const char* s = " %%";
const char* s = "%%";
if (v > 0.1)
snprintf(buf, sizeof(buf), "%5.2f%s", v, s);
@ -337,13 +337,13 @@ static void state_smart(unsigned n, tommy_list* low)
printf(" Temp");
printf(" Power");
printf(" Error");
printf(" AFP");
printf(" FP");
printf(" Size");
printf("\n");
printf(" C°");
printf(" OnDays");
printf(" Count");
printf(" %%");
printf(" ");
printf(" TB");
printf(" "); printl("Serial", serial_pad);
printf(" "); printl("Device", device_pad);
@ -380,7 +380,7 @@ static void state_smart(unsigned n, tommy_list* low)
if (devinfo->parent != 0)
array_failure_rate += afr;
printf("%5.0f", poisson_prob_n_or_more_failures(afr, 1) * 100);
printf("%5.0f%%", poisson_prob_n_or_more_failures(afr, 1) * 100);
if (devinfo->smart[SMART_SIZE] != SMART_UNASSIGNED)
printf(" %2.1f", devinfo->smart[SMART_SIZE] / 1E12);
@ -410,11 +410,6 @@ static void state_smart(unsigned n, tommy_list* low)
printf("\n");
/* |<##################################################################72>|####80>| */
printf("The AFP (Annual Failure Probability) is the probability that the disk is\n");
printf("going to fail in the next year.\n");
printf("\n");
/*
* The probability of one and of at least one failure is computed assuming
* a Poisson distribution with the estimated array failure rate.
@ -422,34 +417,39 @@ static void state_smart(unsigned n, tommy_list* low)
p_at_least_one_failure = poisson_prob_n_or_more_failures(array_failure_rate, 1);
/* |<##################################################################72>|####80>| */
printf("Probability of at least one disk failure in the next year is: %.0f %%\n", p_at_least_one_failure * 100);
printf("The FP column is the probability (in percentage) that the disk is going\n");
printf("to fail in the next year.\n");
printf("\n");
printf("Probability that one disk is going to fail in the next year is: %.0f%%\n", p_at_least_one_failure * 100);
printf("\n");
/* |<##################################################################72>|####80>| */
printf("Probability of data loss in the next year for different parity and\n");
printf("scrub/repair times:\n");
printf("combined scrub and repair time:\n");
printf("\n");
printf(" Parity 1 Week 1 Month 3 Months\n");
printf(" Parity 1 Week 1 Month 3 Months\n");
printf(" -----------------------------------------------------------------------\n");
for (j = 0; j < RAID_PARITY_MAX; ++j) {
const char* sep = " ";
printf("%6u", j + 1);
printf(sep);
printp(raid_prob_of_one_or_more_failures(array_failure_rate, 365.0 / 7, n, j + 1) * 100, 20);
printp(raid_prob_of_one_or_more_failures(array_failure_rate, 365.0 / 7, n, j + 1) * 100, 19);
printf(sep);
printp(raid_prob_of_one_or_more_failures(array_failure_rate, 365.0 / 30, n, j + 1) * 100, 18);
printp(raid_prob_of_one_or_more_failures(array_failure_rate, 365.0 / 30, n, j + 1) * 100, 17);
printf(sep);
printp(raid_prob_of_one_or_more_failures(array_failure_rate, 365.0 / 90, n, j + 1) * 100, 14);
printp(raid_prob_of_one_or_more_failures(array_failure_rate, 365.0 / 90, n, j + 1) * 100, 13);
printf("\n");
}
printf("\n");
/* |<##################################################################72>|####80>| */
printf("These are the probabilities that in the next year you'll have a sequence\n");
printf("of failures that the parity WONT be able to recover, assuming that you\n");
printf("regularly scrub and repair the full array in the specified time.\n");
printf("These values are the probabilities that in the next year you'll have a\n");
printf("sequence of failures that the parity WONT be able to recover, assuming\n");
printf("that you regularly scrub, and in case repair, the array in the specified\n");
printf("time.\n");
}
void state_device(struct snapraid_state* state, int operation)