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Date:      Tue, 23 Apr 2019 08:56:24 +0200
From:      "Patrick M. Hausen" <hausen@punkt.de>
To:        "Bjoern A. Zeeb" <bzeeb-lists@lists.zabbadoz.net>
Cc:        FreeBSD virtualization mailing list <freebsd-virtualization@freebsd.org>
Subject:   Re: bhyve, sparse disk image and trim support?
Message-ID:  <9E907736-8F90-4600-853C-7C2F7AF166BA@punkt.de>
In-Reply-To: <21E25588-ADC0-4101-B122-5782D9A94AC4@lists.zabbadoz.net>
References:  <21E25588-ADC0-4101-B122-5782D9A94AC4@lists.zabbadoz.net>

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Hi!

> Am 21.04.2019 um 19:01 schrieb Bjoern A. Zeeb <bzeeb-lists@lists.zabbadoz.net>:
> Do we support this?  Has anyone worked on this?  How do people deal with these problems?

I’m actually surprised this is supported for some configurations - thanks
for starting the thread. As for how others deal with this - e.g. VMware files
never shrink, but there is a „vacuuming“ function that compresses the
virtual disk while the VM is offline in the workstation products. For ESXi
I think the only way is to actually copy the image file to a new one with
vmkfstools.

Used to use defrag and sdelete a lot in Windows VMs in the past, then
ran the compaction …

Kind regards
Patrick
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