ClickHouse/src/Disks/VolumeRAID1.cpp

#include "VolumeRAID1.h"

#include <Common/StringUtils/StringUtils.h>
#include <Common/quoteString.h>

namespace DB
{

ReservationPtr VolumeRAID1::reserve(UInt64 bytes)
{
    /// This volume can not store data which size is greater than `max_data_part_size`
    /// to ensure that parts of size greater than that go to another volume(s).

    if (max_data_part_size != 0 && bytes > max_data_part_size)
        return {};

    Reservations res(disks.size());
    for (size_t i = 0; i < disks.size(); ++i)
    {
        res[i] = disks[i]->reserve(bytes);

        if (!res[i])
            return {};
    }

    return std::make_unique<MultiDiskReservation>(res, bytes);
}

}