private async Task RestoreAllPartitions(Guid version)
{
// Leader, distribute restore tasks to masters.
var task_id = Guid.NewGuid();
var masters = m_dmc.m_cloudidx.GetMasters();
using (var req = new BackupTaskInformationWriter(task_id, version))
{
var rsps = await masters.Select(m => m.PersistedLoadPartition(req)).Unwrap();
bool fail = false;
foreach (var rsp in rsps)
{
if (rsp.errno != Errno.E_OK)
{
fail = true;
}
rsp.Dispose();
}
if (fail)
{
throw new RestoreException();
}
}
}
private async Task BackupAllPartitions()
{
var version = await m_pstore.CreateNewVersion();
// Leader, distribute backup tasks to masters.
var task_id = Guid.NewGuid();
var masters = m_dmc.m_cloudidx.GetMasters();
try
{
using (var req = new BackupTaskInformationWriter(task_id, version))
{
var rsps = await masters.Select(m => m.PersistedSavePartition(req)).Unwrap();
bool fail = false;
foreach (var rsp in rsps)
{
if (rsp.errno != Errno.E_OK)
{
fail = true;
}
rsp.Dispose();
}
if (fail)
{
throw new Exception();
}
}
await m_pstore.CommitVersion(version);
}
catch
{
await m_pstore.DeleteVersion(version);
throw new BackupException();
}
}
