internal static JournalFile GetJournalFile(StorageEnvironment env, long journalNum, IncrementalBackupInfo backupInfo)
{
var journalFile = env.Journal.Files.FirstOrDefault(x => x.Number == journalNum); // first check journal files currently being in use
if (journalFile != null)
{
journalFile.AddRef();
return(journalFile);
}
try
{
using (var pager = env.Options.OpenJournalPager(journalNum))
{
long journalSize = Bits.NextPowerOf2(pager.NumberOfAllocatedPages * env.Options.PageSize);
journalFile = new JournalFile(env.Options.CreateJournalWriter(journalNum, journalSize), journalNum);
journalFile.AddRef();
return(journalFile);
}
}
catch (Exception e)
{
if (backupInfo.LastBackedUpJournal == -1 && journalNum == 0 && e.Message.StartsWith("No such journal", StringComparison.Ordinal))
{
throw new InvalidOperationException("The first incremental backup creation failed because the first journal file " +
StorageEnvironmentOptions.JournalName(journalNum) + " was not found. " +
"Did you turn on the incremental backup feature after initializing the storage? " +
"In order to create backups incrementally the storage must be created with IncrementalBackupEnabled option set to 'true'.", e);
}
throw;
}
}
internal static JournalFile GetJournalFile(StorageEnvironment env, long journalNum, IncrementalBackupInfo backupInfo)
{
var journalFile = env.Journal.Files.FirstOrDefault(x => x.Number == journalNum); // first check journal files currently being in use
if (journalFile != null)
{
journalFile.AddRef();
return journalFile;
}
try
{
using (var pager = env.Options.OpenJournalPager(journalNum))
{
long journalSize = Utils.NearestPowerOfTwo(pager.NumberOfAllocatedPages * AbstractPager.PageSize);
journalFile = new JournalFile(env.Options.CreateJournalWriter(journalNum, journalSize), journalNum);
journalFile.AddRef();
return journalFile;
}
}
catch (Exception e)
{
if (backupInfo.LastBackedUpJournal == -1 && journalNum == 0 && e.Message.StartsWith("No such journal"))
{
throw new InvalidOperationException("The first incremental backup creation failed because the first journal file " +
StorageEnvironmentOptions.JournalName(journalNum) + " was not found. " +
"Did you turn on the incremental backup feature after initializing the storage? " +
"In order to create backups incrementally the storage must be created with IncrementalBackupEnabled option set to 'true'.", e);
}
throw;
}
}