系统技术非业余研究

我们在线上用了大量的Intel ssd盘，总所周知的是ssd盘是有寿命的，在实际的使用中能够监控ssd盘是非常有帮助的。

我们通常是在raid卡下用intel ssd盘做10level的阵列，通常的工具很难读出它的寿命信息等。 经过intel和社区的努力，对intel ssd的寿命读取代码集成到了smartctl中去了， 这下我们方便了。

先交代下我们的环境：

硬件和操作系统：
System | Huawei Technologies Co., Ltd.; Tecal RH2285; vV100R001 (Main Server Chassis)
Release | Red Hat Enterprise Linux Server release 5.4 (Tikanga)
Kernel | 2.6.18-164.el5
Architecture | CPU = 64-bit, OS = 64-bit

raid卡控制器：
# RAID Controller ############################################
Controller | LSI Logic MegaRAID SAS
Model | MegaRAID SAS PCI Express(TM) ROMB, PCIE interface, 8 ports
Cache | 256MB Memory, BBU
BBU | 96% Charged, Temperature 23C, isSOHGood=

VirtualDev Size RAID Level Disks SpnDpth Stripe Status Cache
========== ========= ========== ===== ======= ====== ======= =========
0 0 (:-1-0) 0 Depth-1 WB, no RA
1 0 (:-5-3) 0 Depth-1 WB, no RA

PhysiclDev Type State Errors Vendor Model Size
========== ==== ======= ====== ======= ============ ===========
Hard Disk SAS Online, 0/0/0 SEAGATE ST3300657SS 279.396
Hard Disk SAS Online, 0/0/0 SEAGATE ST3300657SS 279.396
Solid Stat SATA Online, 0/901/0 CVPO007400S4160AGN INTEL 149.049
Solid Stat SATA Online, 0/900/0 CVPO010400AR160AGN INTEL 149.049
Solid Stat SATA Online, 0/900/0 CVPO007000T3160AGN INTEL 149.049
Solid Stat SATA Online, 0/900/0 CVPO009002DN160AGN INTEL 149.049
Solid Stat SATA Online, 0/900/0 CVPO0104017E160AGN INTEL 149.049
Solid Stat SATA Online, 0/899/0 CVPO010200KS160AGN INTEL 149.049

我们再来演示下如何使用：
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