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[tool] Show information about an image's EC information.

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This commit is contained in:
Natalia Portillo
2026-04-11 21:49:25 +01:00
parent b6c6b06395
commit ea28c65aa2
1 changed files with 31 additions and 0 deletions
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31
tool/info.c
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@@ -1036,6 +1036,37 @@ int info(const char *path)
draw_box_bottom(COLOR_HEADER);
}
// Erasure Coding Recovery Section
if(ctx->ec_recovery_available)
{
draw_box_top("ERASURE CODING RECOVERY", COLOR_HEADER);
char ec_info[64];
const char *algo = ctx->ec_algorithm == 0 ? "XOR" : "Reed-Solomon (Vandermonde)";
print_field("Algorithm", algo, 0);
snprintf(ec_info, sizeof(ec_info), "%u", ctx->ec_K);
print_field("Data blocks per stripe (K)", ec_info, 0);
snprintf(ec_info, sizeof(ec_info), "%u", ctx->ec_M);
print_field("Parity blocks per stripe (M)", ec_info, 0);
snprintf(ec_info, sizeof(ec_info), "%u bytes", ctx->ec_data_shard_size);
print_field("Shard size", ec_info, 0);
snprintf(ec_info, sizeof(ec_info), "%u", ctx->ec_read_stripe_count);
print_field("Data stripes", ec_info, 0);
double overhead = ctx->ec_K > 0 ? (double)ctx->ec_M / (double)ctx->ec_K * 100.0 : 0;
snprintf(ec_info, sizeof(ec_info), "%.1f%% (before compression)", overhead);
print_field("Parity overhead", ec_info, 0);
snprintf(ec_info, sizeof(ec_info), "Tolerates up to %u corrupted block(s) per stripe", ctx->ec_M);
print_field("Fault tolerance", ec_info, 0);
draw_box_bottom(COLOR_HEADER);
}
printf("================================================================================\n\n");
aaruf_close(ctx);