接触IBM存储的时间不久,碰到一个问题,向大家请教,先谢谢了!我的环境:IBM P6 550+DS4700
小机两块5774 HBA卡,分别直连DS4700两个控制器,运行一段时间之后在SM上发现告警,所有的lun从A控制器切换到B控制器:Logical Drive Not On Preferred Path
Storage Subsystem: ds4700
Preferred owner: Controller in slot A Current owner: Controller in slot B Affected array: DATA_DG01 Logical Drive: datalv01, datalv02, datalv03, datalv04, datalv05, datalv06, datalv07, datalv08, datalv09, datalv10, datalv11, datalv12, datalv13, datalv14, datalv86 Affected array: DATA_DG02 Logical Drive: datalv15, datalv16, datalv17, datalv18, datalv19, datalv20, datalv21, datalv22, datalv23, datalv24, datalv25, datalv26, datalv27, datalv28, datalv87 Affected array: DATA_DG03 Logical Drive: datalv29, datalv31, datalv33, datalv35, datalv37, datalv39, datalv41, datalv43, datalv45, datalv47
手动将部分lun切换到A控制器,过一会又自动切换到B控制器,不太明白是怎么回事
同时系统中还有以下错误:
bash-3.2# errpt
IDENTIFIER TIMESTAMP T C RESOURCE_NAME DESCRIPTION
A6D1BD62 0202233512 I H unspecified Firmware Event
A6D1BD62 0202231112 I H unspecified Firmware Event
C48C3EC2 0202203212 I H hdisk8 ARRAY ACTIVE CONTROLLER SWITCH
0C10BB8C 0202202812 I H hdisk8 ARRAY CONFIGURATION CHANGED
有问题想请教下:
1、DS4700能否实现两个控制器负载均衡的功能,各负责一部分lun
2、当前系统运行的是oracle数据库,创建表空间的速度最大为250MB,CPU有15%左右的等待,请问是否正常?
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