惠普ProLiant DL380p Gen8服务器Raid5 更换硬盘全记录

故障现象：硬盘写入等待时间过长

经测试发现硬盘写入速度只有2.0MB/S,初步判断是硬盘使用时间过长导致的。遂申请新硬盘进行不停机更换。

?

1 2 3 4 5 6 7 8 9

[root@localhost  test ] # time dd if=/dev/zero of=/root/test/out bs=8k oflag=direct count=500000 500000+0 records  in 500000+0 records out 4096000000 bytes (4.1 GB) copied, 2075.4 s, 2.0 MB /s   real    34m35.888s user    0m2.109s sys 0m43.055s You have new mail  in /var/spool/mail/root

 

更换过程：

本身是RAID5 ，直接更换硬盘就可以了,RAID5具有可以自动重建功能。

换上第一块盘

 

 查看进度

 

 第一块盘完成，用时38分钟左右。

?

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22

[root@localhost ~] # hpacucli HP Array Configuration Utility CLI 9.40.12.0 Detecting Controllers...Done. Type  "help" for a list of supported commands. Type  "exit" to close the console.   => ctrl all show config   Smart Array P420i  in Slot 0 (Embedded)    (sn: 001438032930E10)      array A (SAS, Unused Space: 0  MB)           logicaldrive 1 (558.7 GB, RAID 5, OK)         physicaldrive 1I:2:1 (port 1I:box 2:bay 1, SAS, 300 GB, OK)       physicaldrive 1I:2:2 (port 1I:box 2:bay 2, SAS, 300 GB, OK)       physicaldrive 1I:2:3 (port 1I:box 2:bay 3, SAS, 300 GB, OK)      SEP (Vendor ID PMCSIERA, Model SRCv8x6G) 380 (WWID: 5001438032930E1F)   =>

　开始换第二块盘

?

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22

[root@localhost ~] # hpacucli HP Array Configuration Utility CLI 9.40.12.0 Detecting Controllers...Done. Type  "help" for a list of supported commands. Type  "exit" to close the console.   => ctrl all show config   Smart Array P420i  in Slot 0 (Embedded)    (sn: 001438032930E10)      array A (SAS, Unused Space: 0  MB)           logicaldrive 1 (558.7 GB, RAID 5, Recovering, 4% complete)         physicaldrive 1I:2:1 (port 1I:box 2:bay 1, SAS, 300 GB, OK)       physicaldrive 1I:2:2 (port 1I:box 2:bay 2, SAS, 300 GB, Rebuilding)       physicaldrive 1I:2:3 (port 1I:box 2:bay 3, SAS, 300 GB, OK)      SEP (Vendor ID PMCSIERA, Model SRCv8x6G) 380 (WWID: 5001438032930E1F)   =>

　　总结：磁盘本身性能不足，无法通过更换解决问题