Instrucciones
目录
当硬盘的固件损坏或无法读取时，计算机通常无法正确地与硬盘交互。
电子故障通常与硬盘控制器板上的问题有关。服务器可能会遇到电源尖峰或电涌，导致硬盘上的控制器板被击倒，使 BIOS 无法检测到它。
机械故障通常（尤其是如果不及早采取行动）会导致部分数据丢失，有时甚至会导致全部数据丢失。机械故障有多种形式，例如读/写头故障和电机问题。最常见的机械故障之一是磁头划碰。当硬盘的读/写磁头瞬时或连续地与硬盘盘片接触时，就会发生磁头崩溃的严重程度。
逻辑错误通常是最容易和最难处理的问题。逻辑错误的范围可以从简单的事情（例如文件分配表中的无效条目）到真正可怕的问题（例如严重碎片化的驱动器上的文件系统损坏和丢失）。
坏扇区是硬盘上变得无法读取的区域。所有硬盘驱动器最终都会出现坏扇区。硬盘标记了变坏的扇区，这些扇区不再使用。但是，如果您的数据驻留在成为坏扇区的扇区上，则无法正确访问您的数据或文件。恶劣的运行环境（如高温、振动等）会导致硬盘迅速出现许多坏扇区。每种类型的硬盘都容易“自然地”出现坏扇区，但情况并非总是如此。
SCSI 硬盘通常被视为高性能驱动器。它们的旋转速度比 IDE/SATA 硬盘快，因此数据传输速度通常更快。因此，SCSI 驱动器通常用于必须提供大量数据吞吐量的服务器中。然而，这种性能往往是有代价的，因为这些驱动器更容易出现机械故障。
这些故障类型的组合也是有可能的。
在处理 PowerEdge 服务器中的磁盘故障时，必须采取以下预防措施：
备份数据：在磁盘上执行操作之前，请始终执行关键数据的备份。如果有进一步的问题，这可以确保数据安全。
监视警报：注意预测性驱动器故障警报（错误代码 PDR6）和其他与磁盘相关的错误代码（如 PDR1001 和 PDR3)。这些警报表示需要立即关注的潜在问题。
固件更新：更换任何硬件之前，请确保 RAID 控制器和驱动器的固件为最新版本。这有助于防止误报并提高整体系统稳定性。
小心处理驱动器：拆卸、安装或重新拔插硬盘时，避免过度用力。这可能会使背板弯曲，并可能导致相邻驱动器出现故障或失去连接。
检查连接：如果驱动器报告为故障，请重新拔插驱动器以排除连接问题。验证所有连接是否安全。
查看系统日志：定期检查 iDRAC 日志和系统日志，查看是否有任何相关警报或散热事件，这些警报或散热事件可能会指示潜在的问题。
联系支持部门：如果多个驱动器报告错误，或者在执行上述操作后问题仍然存在，请联系戴尔支持以获得进一步的帮助。
Productos afectados
OEMR R240, OEMR R250, OEMR XE R250, OEMR R260, OEMR XE R260, OEMR R340, OEMR R350, OEMR XE R350, OEMR R360, OEMR XE R360, OEMR R440, PowerEdge XR2, OEMR R450, OEMR R540, OEMR R550, OEMR R5500, OEMR R640, OEMR XL R640, OEMR R6415, OEMR R650
, OEMR R650xs, OEMR R6515, OEMR R6525, OEMR R660, OEMR XL R660, OEMR R660xs, OEMR R6615, OEMR R6625, OEMR R740, OEMR XL R740, OEMR R740xd, OEMR XL R740xd, OEMR R740xd2, OEMR R7415, OEMR R7425, OEMR R750, OEMR R750xa, OEMR R750xs, OEMR R7515, OEMR R7525, OEMR R760, OEMR R760xa, OEMR R760XD2, OEMR XL R760, OEMR R760xs, OEMR R7615, OEMR R7625, OEMR R840, OEMR R860, OEMR R940, OEMR R940xa, OEMR R960, OEMR T140, OEMR T150, OEMR T340, OEMR T350, OEMR T360, OEMR T440, OEMR T550, OEMR T560, OEMR T640, OEMR XL T640, OEMR XL R240, OEMR XL R340, OEMR XL R660xs, OEMR XL R6615, OEMR XL R6625, OEMR XL R760xs, OEMR XL R7615, OEMR XL R7625, OEMR XR11, OEMR XR12, OEMR XR5610, OEMR XR7620, Poweredge C4140, PowerEdge C6420, PowerEdge C6520, PowerEdge C6525, PowerEdge C6615, PowerEdge C6620, PowerEdge FC640, PowerEdge HS5610, PowerEdge HS5620, PowerEdge M640, PowerEdge M640 (for PE VRTX), PowerEdge MX740C, PowerEdge MX750c, PowerEdge MX760c, PowerEdge MX840C, PowerEdge R240, PowerEdge R250, PowerEdge R260, PowerEdge R340, PowerEdge R350, PowerEdge R360, PowerEdge R440, PowerEdge R450, PowerEdge R540, PowerEdge R550, PowerEdge R640, PowerEdge R6415, PowerEdge R650, PowerEdge R650xs, PowerEdge R6515, PowerEdge R6525, PowerEdge R660, PowerEdge R660xs, PowerEdge R6615, PowerEdge R6625, PowerEdge R740, PowerEdge R740XD, PowerEdge R740XD2, PowerEdge R7415, PowerEdge R7425, PowerEdge R750, PowerEdge R750XA, PowerEdge R750xs, PowerEdge R7515, PowerEdge R7525, PowerEdge R760, PowerEdge R760XA, PowerEdge R760xd2, PowerEdge R760xs, PowerEdge R7615, PowerEdge R7625, PowerEdge R840, PowerEdge R860, PowerEdge R940, PowerEdge R940xa, PowerEdge R960, PowerEdge T140, PowerEdge T150, PowerEdge T160, PowerEdge T340, PowerEdge T350, PowerEdge T360, PowerEdge T440, PowerEdge T550, PowerEdge T560, PowerEdge T640, PowerEdge XE2420, PowerEdge XE7100, PowerEdge XE7420, PowerEdge XE7440, PowerEdge XE8545, PowerEdge XE8640, PowerEdge XE9640, PowerEdge XE9680, PowerEdge XR11, PowerEdge XR12, PowerEdge XR5610, PowerEdge XR7620, PowerFlex appliance R650, PowerFlex appliance R6525, PowerFlex appliance R660, PowerFlex appliance R6625, Powerflex appliance R750, PowerFlex appliance R760, PowerFlex appliance R7625, PowerFlex custom node, PowerFlex custom node R650, PowerFlex custom node R6525, PowerFlex custom node R660, PowerFlex custom node R6625, PowerFlex custom node R750, PowerFlex custom node R760, PowerFlex custom node R7625, PowerFlex custom node R860, PowerFlex appliance R640, PowerFlex appliance R740XD, PowerFlex appliance R7525, PowerFlex appliance R840
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