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As NTP is drift based, large time differences can prevent NTP from synchronizing,

or cause synchronization to take a long time. It can be helpful to synchronize time

manually once and to verify that the time is picked up correctly afterward. Use the

separate commands of service ntpd stop , ntpdate your IP, and service ntpd

start. The following example shows the sequence:

[root@domain.node ~]# service ntpd stop

Shutting down ntpd: [ OK ]

[root@domain.node ~]# ntpdate 9.19.0.220

14 Jan 12:06:46 ntpdate[25360]: adjust time server 9.19.0.220 offset 0.003277 sec

[root@domain.node ~]# service ntpd start

Starting ntpd: [ OK ]

[root@domain.node ~]#

After the time on all of the servers is synchronized, you can verify that the logs

apply to your troubleshooting situation.

172 Storwize V7000 Unified: Problem Determination Guide Version

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IBM Storwize V7000 2076-324 Specifications

General

RAID Levels	RAID 0, 1, 5, 6, 10
Maximum Drives Supported	504
Drive Bays	24
Product Type	Storage system
Form Factor	2U
Drive Type Supported	SAS, NL-SAS, SSD
Host Interfaces	8 Gbps Fibre Channel, 1 Gbps iSCSI, 10 Gbps iSCSI
Cache Memory	32 GB
Operating System	IBM SAN Volume Controller