openindiana

Adventures in ZFS: Configuring iSCSI Targets

The most critical thing about any storage implementation is flexibility.  This means that you need to be able to adapt your solution to changing environmental considerations.  The nice thing about a ZFS-based solution is that all of the building blocks are available.  If you want to use it as a…

Adventures in ZFS: Crucial M4 Firmware SMART Issue

Let me preface this article by stating that this issue is NOT a ZFS issue or a Solaris issue.  Previously I documented a issue in which the Crucial M4 SSD would “hesitate” causing ZFS to see it as faulted.  This was promptly fixed in v0002 of their firmware.  That issue…

Adventures in ZFS: Time Slider is not Expiring Snapshots on Imported Zpools

A few days ago someone contacted me with an interesting issue with regards to the ZFS automatic snapshots, facilitatedby the time slider service. The Situation OpenSolaris machine with zpool exported.  Time slider was working prior to export. Solaris 11 Express fresh install with zpool imported. The Symptoms Basically the core…

Adventures in ZFS: Configuring Fibre Channel Targets

In our environment ZFS has become a critical component of our Storage Infrastructure.  We have been able to provision Fibre Channel storage from our ZFS file systems which give us the benefit of data integrity, deduplication, performance through use of the ARC, L2ARC, and ZIL as needed.  Additionally the real…

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