Re: claiming unsused space back

[Leroy Tennison <leroy@xxxxxxxxxxxxxxxx>]

As has already been mentioned, some commands (or command options) are only supported on later releases, the man pages don't say this.  Does anyone know of a source of information listing the command, option and version it is implemented in?  That alone would be a great help.

----- Original Message -----
From: "Chris Adams" <linux@xxxxxxxxxxx>
To: "centos" <centos@xxxxxxxxxx>
Sent: Monday, July 31, 2017 11:45:20 AM
Subject: Re:  claiming unsused space back

Once upon a time, Warren Young <warren@xxxxxxxxxxx> said:
> Zeroing the free space not only prevents inclusion of these discarded FS blocks, they compress better, too.

Check out the "virt-sparsify" command - it does all of this for you.
-- 
Chris Adams <linux@xxxxxxxxxxx>
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