David Van Couvering wrote:

Dumb sysadmin question: on Solaris, XP, and Linux, how do you find out if your system is syncing to disk or not?

For Linux:  Use hdparm -W0 on all your drives to turn write cache off.
http://gentoo-wiki.com/HOWTO_Use_hdparm_to_improve_IDE_device_performance#Write-Caching_-W

For Windows (2k) I'd expect something similar for XP.
go to My Computer -> Right click on Manage --> In computer management --> Device Manager --> Pick Disk Drives ---> Right click on the Disk, go to Properties --> Pick the disk properties tab and you should see a checkbox with writecache enabled.

I dont know about Solaris.

HTH,
Sunitha.



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