单项选择题
某客户每天要进行备份的应用多达25个,每个应用需要备份的数据量都不大。之前采用物理磁带库进行数据备份,配置了2个 LTO3 的磁带驱动器。据用户反映,目前存在备份窗口内无法完成备份任务的问题。在这种情况下,我们推荐用户怎样解决当前问题?()
A.将 LTO3 磁带驱动器替换为 LTO4
B.再增加 2 个 LTO4 磁带驱动器
C.增加磁带槽位
D.推荐用户使用虚拟带库提高并行备份任务数
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