Re: [zfs-discuss] How to get ZFS use the whole disk?

[Robin Guo]

Hi, Roman,   The disable disk cache option is a choice by manual setting, on some particular envionment. ZIL default setting to 'on'.  Regardless regular pool or rootpool.   There's CR #6648965 might also related to this.   It talked about slog/l2cache/spare should able to be supported in a rootpool. Will Murnane wrote: On Feb 4, 2008 4:37 PM, Robin Guo <[EMAIL PROTECTED]> wrote: If you use a whole disk for a rootpool, you must use a slice notation (e.g. c0d0s0) so that it is labeled with an SMI label. Will ZFS recognize that it has the whole disk at this point (and thus leave cache enabled on it) or not? Many of the machines I administer provide some service that uses the single (currently SVM mirrored) root partition, so having cache enabled could be helpful. ISTR some talk of ZFS disabling disk cache if it doesn't have the whole disk to itself. Thanks! Will -- Regards, Robin Guo, Xue-Bin Guo Solaris Kernel and Data Service QE, Sun China Engineering and Reserch Institute Phone: +86 10 82618200 +82296 Email: [EMAIL PROTECTED] Blog: http://blogs.sun.com/robinguo

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