Get Your ZFS On

Surprising as it may seem, there are still many sysadmins out there who don't use ZFS or are not familiar with its best features. We (since I'm one of them) should send expensive gifts to Oracle ACE Alexandre Borges. Alexandre loves Solaris so much he can't stop writing about it. He recently put together a torrent of articles about ZFS that, even if you think you know everything about it, you should peruse. Because I bet he's found things you didn't know about.

I've been posting them at the rate of about one a week. Here are the first five.

1. Using COMSTAR and ZFS to Configure a Virtualized Storage Environment

by Alexandre Borges

How to configure the Common Multiprotocol SCSI TARget (COMSTAR) capability in Oracle Solaris 11 to provide local iSCSI storage to Windows, Linux, and Mac clients.

2. Playing with Swap Space in ZFS Volumes

by Alexandre Borges

Alexandre walks through several ZFS commands that control and monitor swap space, describes the insight they provide, and explains how to use them to increase or decrease swap space.

3. Playing with ZFS Shadow Migration

by Alexandre Borges

If you need to migrate data from a server running Oracle Solaris 10 or 11 to one running Oracle Solaris 11.1, use Shadow Migration. It's easy, and allows you to migrate shared ZFS, UFS, or VxFS (Symantec) file systems through NFS or even through a local file system. Alexandre shows how.

4. Delegating a ZFS Dataset to a Non-Global Zone

by Alexandre Borges

Adding a dataset to a non-global zone does not give the non-global zone's administrator control over the dataset's properties. They are retained by the global zone's administrator. Delegating a dataset, however, does give the non-global zone's administrator control over the dataset's properties. Alexandre explains the difference and how to perform the delegation.

5. Playing with ZFS Encryption

by Alexandre Borges

Oracle Solaris 11 supports native encryption on ZFS so that it can protect critical data without depending on external programs. It's also integrated with the Cryptographic Framework. Alexandre explains the benefits of these and other Oracle Solaris encryption capabilities, and the different methods for encrypting and decrypting files, file systems, and pools.

About the Photograph

In late June I rode from the South Entrance to Yellowstone National Park in heavy rain. When I stopped at the grill for a burger, I inadvertently shocked the good patrons by wringing water out of my neck warmer, sweater, and t-shirt directly onto the stone floor in the cafeteria. When I'm on a long ride it takes me a moment to remember the finer points of civilized behavior. When the clouds temporarily cleared, I took this picture of Yellowstone Falls from Uncle Tom's trail.

- Rick
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