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);
}
