Nexenta Project - How to add a SSD ZIL Cache - The Nexenta Project

How to add a SSD ZIL Cache

I have a single 60GB SSD I want to use as my ZIL cache to improve performance. But when I try to add it as cache in the Create Volume screen it requires redundancy.

Does my ZIL Cache have to be mirrored? Or can I add a single SSD as the cache. If so, what am I doing wrong/how do I do this?

(* My Boot SysVol is currently on a pair of mirrored 40GB SSDs.)

Thanks.

Replies

RE: How to add a SSD ZIL Cache - Added by Linda Kateley 2 months ago

You may want to also post this on nexentastor.org. This site is for use of nexenta core, which is depreciated.

But, the gui helps guide you to best practices. If you lose the log device you can end up with a corrupted pool. The instructions for adding a zil device are also on page 61 of the user guide.

You can do this with zfs on the command line by

zpool add poolname log cxdxtx

RE: How to add a SSD ZIL Cache - Added by Dan Scudder 2 months ago

GUI didn't say and my manual pages are messed up (off by several pages from contents). I'll get a new manual.

Thank you. :)