Date: Mon, 2 Jun 2014 10:08:17 +0200 From: "Patrick M. Hausen" <hausen@punkt.de> To: "freebsd-stable@freebsd.org List" <freebsd-stable@freebsd.org> Subject: ZFS feature flags 9.2 -> 8.4? Message-ID: <6CBC1EBD-FFAF-44AB-8BD9-344F011A021E@punkt.de>
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Hi, all,
can a zpool with these feature flags from RELENG_9_2 be accessed
and booted (!) by a RELENG_8_4 system?
FEAT DESCRIPTION
-------------------------------------------------------------
async_destroy (read-only compatible)
Destroy filesystems asynchronously.
empty_bpobj (read-only compatible)
Snapshots use less space.
lz4_compress =20
LZ4 compression algorithm support.
There is a chance I need to downgrade a production system.
Not quite sure yet, but I wanted to check the possibilities ...
Thanks a lot,
Patrick
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