private bool LogicalVolumeLayout() { var upSizeLock = new Dictionary <string, long>(); //Try to resize lv to fit inside newly created lvm foreach (var volumeGroup in VolumeGroupHelpers) { //Tell the volume group it has a size of the physical volume to work with * 99% to account for errors to allow alittle over //volumeGroup.AgreedPvSizeBlk = Convert.ToInt64(volumeGroup.AgreedPvSizeBlk * .99); foreach (var partition in _imageSchema.HardDrives[HdNumberToGet].Partitions) { //Find the partition this volume group belongs to if (_imageSchema.HardDrives[HdNumberToGet].Name + partition.Prefix + partition.Number != volumeGroup.Pv) { continue; } var singleLvVerified = false; var percentCounter = -.1; while (!singleLvVerified) { percentCounter += .1; double totalPvPercentage = 0; LogicalVolumes.Clear(); if (!partition.Active) { continue; } var isError = false; foreach (var lv in partition.VolumeGroup.LogicalVolumes) { if (!lv.Active) { continue; } var clientPartitionLv = new ClientLogicalVolume { Name = lv.Name, Vg = lv.VolumeGroup, Uuid = lv.Uuid, VgUuid = volumeGroup.Uuid, FsType = lv.FsType }; var logicalVolumeHelper = new ServiceClientPartition(_imageProfile).LogicalVolume(lv, LbsByte, _newHdSize, HdNumberToGet); var percentOfPvForThisLv = (double)logicalVolumeHelper.MinSizeBlk / volumeGroup.AgreedPvSizeBlk; var tmpClientPartitionSizeLvBlk = logicalVolumeHelper.MinSizeBlk; if (volumeGroup.IsFusion) { clientPartitionLv.Size = 0; LogicalVolumes.Add(clientPartitionLv); singleLvVerified = true; continue; } if (upSizeLock.ContainsKey(lv.Name)) { tmpClientPartitionSizeLvBlk = upSizeLock[lv.Name]; } else { if (logicalVolumeHelper.IsDynamicSize) { clientPartitionLv.SizeIsDynamic = true; var percentOfOrigDrive = Convert.ToInt64(lv.Size) / (double) Convert.ToInt64( _imageSchema.HardDrives[HdNumberToGet].Size); if (Convert.ToInt64(NewHdBlk * percentOfOrigDrive) < logicalVolumeHelper.MinSizeBlk) { //This will never work because each loop only gets smaller tmpClientPartitionSizeLvBlk = Convert.ToInt64(NewHdBlk * (percentOfOrigDrive + percentCounter / 100)); if (logicalVolumeHelper.MinSizeBlk < tmpClientPartitionSizeLvBlk) { upSizeLock.Add(lv.Name, tmpClientPartitionSizeLvBlk); } } else { if (percentOfOrigDrive - percentCounter / 100 <= 0) { tmpClientPartitionSizeLvBlk = Convert.ToInt64(NewHdBlk * percentOfOrigDrive); } else { tmpClientPartitionSizeLvBlk = Convert.ToInt64(NewHdBlk * (percentOfOrigDrive - percentCounter / 100)); } } percentOfPvForThisLv = (double)tmpClientPartitionSizeLvBlk / volumeGroup.AgreedPvSizeBlk; } } if (logicalVolumeHelper.MinSizeBlk > tmpClientPartitionSizeLvBlk) { isError = true; break; } clientPartitionLv.Size = tmpClientPartitionSizeLvBlk; totalPvPercentage += percentOfPvForThisLv; LogicalVolumes.Add(clientPartitionLv); } //Could not determine a partition layout that works with this hard drive if (isError && percentCounter > 99) { return(false); } //This partition size doesn't work, continuation of break from earlier if (isError) { continue; } if (totalPvPercentage <= 1) { long totalAllocatedBlk = 0; var dynamicPartitionCount = 0; //If totalPercentage is too far below 1 try to increase size of available resizable partitions if (totalPvPercentage < .95) { foreach (var lv in LogicalVolumes) { totalAllocatedBlk += Convert.ToInt64(lv.Size); if (lv.SizeIsDynamic) { dynamicPartitionCount++; } } var totalUnallocated = volumeGroup.AgreedPvSizeBlk - totalAllocatedBlk; if (dynamicPartitionCount > 0) { foreach (var lv in LogicalVolumes.Where(lv => lv.SizeIsDynamic)) { lv.Size = lv.Size + totalUnallocated / dynamicPartitionCount; } } } singleLvVerified = true; } //Theoretically should never hit this, but added to prevent infinite loop if (percentCounter > 100) { return(false); } } } } return(true); }
private bool PrimaryAndExtendedPartitionLayout() { //Try to determine a layout for each primary or extended partition that will be able to fit logical partitions //or logical volumes in. Also if the partition is logical and is the physical volume for a volume group determine // a size that will work for all logical volumes ExtendedPartitionHelper = new ServiceClientPartition(_imageProfile).ExtendedPartition(HdNumberToGet, _newHdSize); var upSizeLock = new Dictionary <string, long>(); var percentCounter = -.1; var partitionLayoutVerified = false; while (!partitionLayoutVerified) { //percentCounter++; percentCounter += .1; var isError = false; double totalHdPercentage = 0; PrimaryAndExtendedPartitions.Clear(); VolumeGroupHelpers.Clear(); FirstPartitionStartSector = Convert.ToInt64(_imageSchema.HardDrives[HdNumberToGet].Partitions[0].Start); var partCounter = -1; foreach (var schemaPartition in _imageSchema.HardDrives[HdNumberToGet].Partitions) { partCounter++; //Determine what sector the first partition should start at if (Convert.ToInt64(schemaPartition.Start) < FirstPartitionStartSector) { FirstPartitionStartSector = Convert.ToInt64(schemaPartition.Start); } if (!schemaPartition.Active) { continue; } if (schemaPartition.Type.ToLower() == "logical") { continue; } var clientPartition = new ClientPartition { IsBoot = BootPart == schemaPartition.Number, Number = schemaPartition.Number, Start = schemaPartition.Start, Type = schemaPartition.Type, FsId = schemaPartition.FsId, Uuid = schemaPartition.Uuid, Guid = schemaPartition.Guid, FsType = schemaPartition.FsType }; var partitionHelper = new ServiceClientPartition(_imageProfile).Partition(HdNumberToGet, partCounter, _newHdSize); var percentOfHdForThisPartition = (double)partitionHelper.MinSizeBlk / NewHdBlk; var tmpClientPartitionSizeBlk = partitionHelper.MinSizeBlk; if (partitionHelper.IsDynamicSize) { clientPartition.SizeIsDynamic = true; var percentOfOrigDrive = Convert.ToInt64(schemaPartition.Size) / (double)Convert.ToInt64(_imageSchema.HardDrives[HdNumberToGet].Size); //Change the resized partition size based off original percentage and percentCounter loop //This is the active part of the loop that lowers the partition size based on each iteration //If a partition's used space is almost maxed out to the size of the partition this can cause //problems with calculations. if (upSizeLock.ContainsKey(schemaPartition.Number)) { tmpClientPartitionSizeBlk = upSizeLock[schemaPartition.Number]; } else { if (Convert.ToInt64(NewHdBlk * percentOfOrigDrive) < partitionHelper.MinSizeBlk) { //This will never work because each loop only gets smaller tmpClientPartitionSizeBlk = Convert.ToInt64(NewHdBlk * (percentOfOrigDrive + percentCounter / 100)); if (partitionHelper.MinSizeBlk < tmpClientPartitionSizeBlk) { upSizeLock.Add(schemaPartition.Number, tmpClientPartitionSizeBlk); } } else { tmpClientPartitionSizeBlk = percentOfOrigDrive - percentCounter / 100 <= 0 ? Convert.ToInt64(NewHdBlk * percentOfOrigDrive) : Convert.ToInt64(NewHdBlk * (percentOfOrigDrive - percentCounter / 100)); } } //Add the percent of this partition used to the total percent used to make sure we don't go over //100% of the size of the new drive. //Each logical partition requires and extra 1 mb added to the size of the extended partition. if (clientPartition.Type.ToLower() == "extended") { percentOfHdForThisPartition = ((double)tmpClientPartitionSizeBlk + (1048576 / LbsByte * ExtendedPartitionHelper.LogicalCount + 1048576 / LbsByte)) / NewHdBlk; } else { percentOfHdForThisPartition = (double)tmpClientPartitionSizeBlk / NewHdBlk; } } if (partitionHelper.MinSizeBlk > tmpClientPartitionSizeBlk) { isError = true; break; } if (clientPartition.Type.ToLower() == "extended") { ExtendedPartitionHelper.AgreedSizeBlk = tmpClientPartitionSizeBlk; } if (partitionHelper.PartitionHasVolumeGroup) { partitionHelper.VolumeGroupHelper.AgreedPvSizeBlk = tmpClientPartitionSizeBlk; VolumeGroupHelpers.Add(partitionHelper.VolumeGroupHelper); } clientPartition.Size = tmpClientPartitionSizeBlk; totalHdPercentage += percentOfHdForThisPartition; PrimaryAndExtendedPartitions.Add(clientPartition); } //Could not determine a partition layout that works with this hard drive if (isError && percentCounter > 99) { return(false); } //This partition size doesn't work, continuation of break from earlier if (isError) { continue; } DebugStatus += percentCounter + "\r\n"; if (totalHdPercentage <= 1) { //if totalPercentage is < 1 then layout has been verified to work partitionLayoutVerified = true; //If totalPercentage is too far below 1 try to increase size of available resizable partitions long totalAllocatedBlk = 0; var dynamicPartitionCount = 0; if (totalHdPercentage < .98) { foreach (var partition in PrimaryAndExtendedPartitions) { totalAllocatedBlk += Convert.ToInt64(partition.Size); if (partition.SizeIsDynamic) { dynamicPartitionCount++; } } var totalUnallocated = NewHdBlk - totalAllocatedBlk; if (dynamicPartitionCount > 0) { foreach ( var partition in PrimaryAndExtendedPartitions.Where(partition => partition.SizeIsDynamic)) { partition.Size = partition.Size + totalUnallocated / dynamicPartitionCount; if (partition.Type.ToLower() == "extended") { ExtendedPartitionHelper.AgreedSizeBlk = Convert.ToInt64(partition.Size); } for (var i = 0; i < VolumeGroupHelpers.Count(); i++) { if (_imageSchema.HardDrives[HdNumberToGet].Name + partition.Number == VolumeGroupHelpers[i].Pv) { VolumeGroupHelpers[i].AgreedPvSizeBlk = Convert.ToInt64(partition.Size); } } } } } } //Theoretically should never hit this, but added to prevent infinite loop if (percentCounter > 100) { return(false); } } return(true); }
private bool LogicalPartitionLayout() { // Try to resize logical to fit inside newly created extended var percentCounter = -.1; var upSizeLock = new Dictionary <string, long>(); var logicalPartLayoutVerified = false; while (!logicalPartLayoutVerified) { percentCounter += .1; var isError = false; LogicalPartitions.Clear(); double totalExtendedPercentage = 0; var partCounter = -1; foreach (var part in _imageSchema.HardDrives[HdNumberToGet].Partitions) { partCounter++; if (part.Type.ToLower() != "logical") { continue; } var clientPartition = new ClientPartition { IsBoot = BootPart == part.Number, Number = part.Number, Start = part.Start, Type = part.Type, FsId = part.FsId, Uuid = part.Uuid, Guid = part.Guid, FsType = part.FsType }; var logicalPartitionHelper = new ServiceClientPartition(_imageProfile).Partition(HdNumberToGet, partCounter, _newHdSize); var percentOfExtendedForThisPartition = (double)logicalPartitionHelper.MinSizeBlk / ExtendedPartitionHelper.AgreedSizeBlk; var tmpClientPartitionSizeBlk = logicalPartitionHelper.MinSizeBlk; if (upSizeLock.ContainsKey(part.Number)) { tmpClientPartitionSizeBlk = upSizeLock[part.Number]; } else { if (logicalPartitionHelper.IsDynamicSize) { clientPartition.SizeIsDynamic = true; var percentOfOrigDrive = Convert.ToInt64(part.Size) / (double) Convert.ToInt64(_imageSchema.HardDrives[HdNumberToGet].Size); if (Convert.ToInt64(NewHdBlk * percentOfOrigDrive) < logicalPartitionHelper.MinSizeBlk) { //This will never work because each loop only gets smaller tmpClientPartitionSizeBlk = Convert.ToInt64(NewHdBlk * (percentOfOrigDrive + percentCounter / 100)); if (logicalPartitionHelper.MinSizeBlk < tmpClientPartitionSizeBlk) { upSizeLock.Add(part.Number, tmpClientPartitionSizeBlk); } } else { tmpClientPartitionSizeBlk = percentOfOrigDrive - percentCounter / 100 <= 0 ? Convert.ToInt64(NewHdBlk * percentOfOrigDrive) : Convert.ToInt64(NewHdBlk * (percentOfOrigDrive - percentCounter / 100)); percentOfExtendedForThisPartition = (double)tmpClientPartitionSizeBlk / ExtendedPartitionHelper.AgreedSizeBlk; } } } if (logicalPartitionHelper.MinSizeBlk > tmpClientPartitionSizeBlk) { isError = true; break; } totalExtendedPercentage += percentOfExtendedForThisPartition; clientPartition.Size = tmpClientPartitionSizeBlk; LogicalPartitions.Add(clientPartition); if (logicalPartitionHelper.PartitionHasVolumeGroup) { logicalPartitionHelper.VolumeGroupHelper.AgreedPvSizeBlk = tmpClientPartitionSizeBlk; VolumeGroupHelpers.Add(logicalPartitionHelper.VolumeGroupHelper); } } //Could not determine a partition layout that works with this hard drive if (isError && percentCounter > 99) { log.Error(JsonConvert.SerializeObject(PrimaryAndExtendedPartitions)); log.Error(JsonConvert.SerializeObject(LogicalPartitions)); return(false); } //This partition size doesn't work, continuation of break from earlier if (isError) { continue; } if (totalExtendedPercentage <= 1) { long totalAllocatedBlk = 0; var dynamicPartitionCount = 0; //If totalPercentage is too far below 1 try to increase size of available resizable partitions if (totalExtendedPercentage < .98) { foreach (var partition in LogicalPartitions) { totalAllocatedBlk += Convert.ToInt64(partition.Size); if (partition.SizeIsDynamic) { dynamicPartitionCount++; } } var totalUnallocated = ExtendedPartitionHelper.AgreedSizeBlk - totalAllocatedBlk; if (dynamicPartitionCount > 0) { foreach ( var partition in LogicalPartitions.Where(partition => partition.SizeIsDynamic)) { partition.Size = partition.Size + totalUnallocated / dynamicPartitionCount; } } } logicalPartLayoutVerified = true; } //Theoretically should never hit this, but added to prevent infinite loop if (percentCounter > 100) { return(false); } } return(true); }