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Add workaround for drives which report LBAs read/written but instead report in 32MiB blocks.

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This commit is contained in:
Johnny Silverman
2025-11-07 18:47:49 +02:00
parent bd6f95feb1
commit 35d7ed9c8a
1 changed files with 22 additions and 8 deletions
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30
src/mainwindow.cpp
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@@ -607,10 +607,6 @@ void MainWindow::populateWindow(const QJsonObject &localObj, const QString &heal
} else if (attrObj["name"] == "Host_Writes_32MiB") {
double megabytes = (attrObj["raw"].toObject()["value"].toInt() * 32 * 1024.0 * 1024.0) / 1e6;
totalMbWritesI64 = static_cast<int64_t>(megabytes);
} else if (attrObj["name"] == "Total_LBAs_Written") {
qlonglong lbaWritten = attrObj["raw"].toObject()["value"].toVariant().toLongLong();
double megabytes = double(lbaWritten * logicalBlockSize) / 1e6;
totalMbWritesI64 = static_cast<int64_t>(megabytes);
} else if (attrObj["name"] == "Host_Writes_GiB" || attrObj["name"] == "Lifetime_Writes_GiB") {
double gibibytes = attrObj["raw"].toObject()["value"].toDouble();
double bytesPerGiB = static_cast<double>(1ULL << 30);
@@ -618,6 +614,17 @@ void MainWindow::populateWindow(const QJsonObject &localObj, const QString &heal
double conversionFactor = bytesPerGiB / bytesPerMB;
double megabytes = gibibytes * conversionFactor;
totalMbWritesI64 = static_cast<int64_t>(megabytes);
} else if (attrObj["name"] == "Total_LBAs_Written") {
qlonglong lbaWritten = attrObj["raw"].toObject()["value"].toVariant().toLongLong();
double megabytes = double(logicalBlockSize * lbaWritten) / 1e6;
totalMbWritesI64 = static_cast<int64_t>(megabytes);
// workaround: for drives that report different value with bad attribute name
// Check if total MB writes are less than power on hours
if (totalMbWritesI64 / powerOnTimeInt == 0) {
// Assume it's 32MiB chunks reported as LBAs
megabytes = (double(lbaWritten * 32) * 1024.0 * 1024.0) / 1e6;
totalMbWritesI64 = static_cast<int64_t>(megabytes);
}
}
} else if (attrObj["id"] == 242) {
if (attrObj["name"] == "Total_Reads_GB") {
@@ -626,10 +633,6 @@ void MainWindow::populateWindow(const QJsonObject &localObj, const QString &heal
} else if (attrObj["name"] == "Host_Reads_32MiB") {
double megabytes = (attrObj["raw"].toObject()["value"].toInt() * 32 * 1024 * 1024) / 1e6;
totalMbReadsI64 = static_cast<int64_t>(megabytes);
} else if (attrObj["name"] == "Total_LBAs_Read") {
qlonglong lbaRead = attrObj["raw"].toObject()["value"].toVariant().toLongLong();
double megabytes = double(lbaRead * logicalBlockSize) / 1e6;
totalMbReadsI64 = static_cast<int64_t>(megabytes);
} else if (attrObj["name"] == "Host_Reads_GiB" || attrObj["name"] == "Lifetime_Reads_GiB") {
double gibibytes = attrObj["raw"].toObject()["value"].toDouble();
double bytesPerGiB = static_cast<double>(1ULL << 30);
@@ -637,6 +640,17 @@ void MainWindow::populateWindow(const QJsonObject &localObj, const QString &heal
double conversionFactor = bytesPerGiB / bytesPerMB;
double megabytes = gibibytes * conversionFactor;
totalMbReadsI64 = static_cast<int64_t>(megabytes);
} else if (attrObj["name"] == "Total_LBAs_Read") {
qlonglong lbaRead = attrObj["raw"].toObject()["value"].toVariant().toLongLong();
double megabytes = double(logicalBlockSize * lbaRead) / 1e6;
totalMbReadsI64 = static_cast<int64_t>(megabytes);
// workaround for drives that report different value with bad attribute name
// Check if total MB reads are less than power on hours
if (totalMbReadsI64 / powerOnTimeInt == 0) {
// Assume it's 32MiB chunks reported as LBAs
megabytes = (double(lbaRead * 32) * 1024.0 * 1024.0) / 1e6;
totalMbReadsI64 = static_cast<int64_t>(megabytes);
}
}
} else if (attrObj["id"] == 246) { // MX500
if (attrObj["name"] == "Total_LBAs_Written") {