环境：

ScaleIO 1.32

描述：

如何在 ScaleIO 环境中更换出现故障的驱动器？

“scli --query_sds --sds_ip XX.XX.XX.XX”提供了以下输出信息：

SDS 62e70a2e00000005 Name: SDS6

Protection Domain: 3352968300000000, Name: domain1

DRL mode: Volatile

IP information (total 2 IPs):

1: XX.XX.XX.XX    Role: SDS Only

2: XX.XX.XX.XX    Role: SDC Only

Port: 7072

RAM Read Cache information:

1. 128.0 MB (131072 KB) total size

Cache is enabled

RAM Read Cache memory allocation state is SUCCESSFUL

Number of IO Buffers: 3

Device information (total 22 devices):

....

19: Name: SDS6disks  Path: /dev/sds  Original-path: /dev/sds ID: b120ed3500050012

Storage Pool: pool1, Capacity: 557 GB Error-fixes: 0 scanned 0 MB, Compare errors: 0 State: Normal

20: Name: SDS6diskv  Path: /dev/sdv  Original-path: /dev/sdv ID: b120ed3600050013

Storage Pool: pool1, Capacity: 557 GB Error-fixes: 0 scanned 0 MB, Compare errors: 0 State: Error

21: Name: SDS6disku  Path: /dev/sdu  Original-path: /dev/sdu ID: b120ed3700050014

Storage Pool: pool1, Capacity: 557 GB Error-fixes: 0 scanned 0 MB, Compare errors: 0 State: Normal

22：Name: SDS6diskw  Path: /dev/sdw  Original-path: /dev/sdw ID: b120ed3800050015

Storage Pool: pool1, Capacity: 557 GB Error-fixes: 0 scanned 0 MB, Compare errors: 0 State: Normal

Membership-state: Joined; Connection-state: Connected; SDS-state: Normal; 1 devices with error

1. 12.0 TB (12273 GB) total capacity
2. 11.1 TB (11366 GB) unused capacity

0 Bytes snapshots capacity

1. 885.3 GB (906528 MB) in-use capacity

0 Bytes thin capacity

1. 556.9 GB (570244 MB) unreachable-unused capacity

解决方法：

SDS 使用 Linux/Windows 操作系统的情况下，请遵循以下步骤：

1. 识别磁盘：通过 SSH 连接到 Linux SDS 并运行“fdisk -l”，如果为 Windows 系统，则为驱动器号
2. 运行“remove_sds_device”，从 SDS 中删除设备
3. 等待重建/重新平衡完成
4. 更换故障设备
5. 识别设备
6. 使用“add_sds_device”添加设备
7. 将设备添加到存储池后，将自动启动重新平衡

如需了解详细的分步解析指南，请参阅 EMC 支持解决方案 https://support.emc.com/kb/463798