write

How to disable or enable write cache on Unity

 

SSH into Primary SP

-use OS account “service” with password the same as admin account

-use commands like below to enable or disable

 

*you only need to run it once and it’ll be applied to both nodes!

 

svc_cache –get

shows status

3 means enabled

7 means transitioning

8 means disabled

 

svc_cache –force-enableCacheOperations

force enable cache

 

Here’s the procedure for maintenance

1) disable write cache option (only need to do once on SP A or B)

2) put Unity SP A or B on service mode

3) on-site engineer will replace parts

4) put Unity SP A or B out of service mode

5) enable write cache option