Edward,

/etc/zpool.cache contains data pointing to devices involved in a
zpool.  Changes to ZFS datasets are reflected in the actual zpool so
destroying a zfs dataset should not change zpool.cache.

zfs destroy is the correct command to destroy a file system.

It will be easier if we can know
- the output of 'zfs list' at various stages
- the command he executed that failed.


--
Just me,
Wire ...

On 9/26/06, Edward Wetmore <[EMAIL PROTECTED]> wrote:
    Good day all. Please respond to me directly as I am not on this alias.
    I have a customer who is develping his site's implementation of zfs,
my case come to me because he is using Solaris 10 6/06 x86 on a Sun Fire
V40z (an x86 unit). He had no problem assembling and mounting a zfs
volume, the command set he got worked fine. He then then began
preperation of documenting and scripting, which meant he wanted to take
the zfs volume apart and then recreate it.
    He ran  "zfsdestroy <filesystem_name>" (that was all he was informed
to do), but when he tried to build it again, the system indicated the
file system was in use. He has found he has a /etc/zfs/zpool.cache.
    My question is (pardon my ignorance), what steps does he need to
take to completely eliminate evidence that he previously had a zfs file
system so that he can then build one again?
    Thanks for your time,
    Ed Wetmore
    AltPlat/Install/OS Tech Support Engineer
    Sun Microsystems
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