zfs discuss - Jun 2009 - Using single SSD for l2arc on multiple pools?

Hello,

I''m curious if it is possible to use a single SSD for the l2arc for 
multiple pools?

I''m guessing that I can break the SSD into multiple slices and assign a
slice as a cache device in each pool. That doesn''t seem very flexible 
though, so I was wondering if there is another way to do this?

Thanks...

  --joe

Hi Joseph ;

You cant share SSDs between pools (at least for today) unless you slice.
Also it''s better to use 2x SSD''s for L2 ARC as depending on
your system
there can be slight limitations of using one SSD. 

Best regards
Mertol 



Mertol Ozyoney 
Storage Practice - Sales Manager

Sun Microsystems, TR
Istanbul TR
Phone +902123352200
Mobile +905339310752
Fax +902123352222
Email mertol.ozyoney at sun.com



-----Original Message-----
From: zfs-discuss-bounces at opensolaris.org
[mailto:zfs-discuss-bounces at opensolaris.org] On Behalf Of Joseph Mocker
Sent: Tuesday, June 16, 2009 10:28 PM
To: zfs-discuss at opensolaris.org
Subject: [zfs-discuss] Using single SSD for l2arc on multiple pools?

Hello,

I''m curious if it is possible to use a single SSD for the l2arc for 
multiple pools?

I''m guessing that I can break the SSD into multiple slices and assign a
slice as a cache device in each pool. That doesn''t seem very flexible 
though, so I was wondering if there is another way to do this?

Thanks...

  --joe
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