ZVOLs and Write Cache

When you create a ZFS volume its write cache is disabled by default, meaning that all writes to the volume will be synchronous. Sometimes it might be handy to be able to enable a write cache for a particular zvol, explains Robert Milkowski, who decided to write a small C program to allow users to check if WC is enabled or not. It also allows users to enable or disable write cache for a specified zvol.

Resetting the root Password for ZFS

Victor Feng provides a tech tip using example of various ways to reset the password for user root in a ZFS root file system on the Solaris 10 10/09 OS SPARC platforms.

Managing sendmail.cf Across Upgrades

If issues have arisen, such as mail bouncing, following an sendmail upgrade, then John Beck may have a solution for you. He introduced a solution in Nevada build 90 that deals with this type of problem.

Communications Suite: Messaging Server Administration Guide

The Factotum blog alerted its readers in February to visit wikis.sun.com for information on the Sun Java System Messaging Server Administration Guide, which has now been completely converted and ported to that site. For information on accessing information via wikis.sun.com and/or to find out how to print the listed guide in PDF format, visit the Factotum's blog entry.

Solaris Cluster Resources for System Administrators

Find information and resources aimed at system planners, integrators, and administrators who use Solaris Cluster (formerly known as Sun Cluster) at the Solaris Cluster Hub for Sys Admins page. Solaris Cluster can be downloaded and evaluated at no cost.

Oracle Solaris Video Blog

The Oracle Solaris Video blog has links to a vast array of videos, including: ZFS Dynamic LUN Expansion; ZFS Dedup; Hardware & Software Fault Management Architecture; MPxIO; Visualizing DTrace: Sun Storage 7000 Analytics; Kernel Conference Australia: Panel Discussion on ZFS; Solaris Trusted Extensions & Demo; and What's NEXT for OpenSolaris. [...read more...]

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