Re: [CentOS] claiming unsused space back

2017-08-01 Thread Warren Young
On Jul 31, 2017, at 4:27 PM, Leroy Tennison wrote: > > some commands (or command options) are only supported on later releases, the > man pages don't say this. You only run into that problem when trying to use man pages from one system but then run commands on a very

Re: [CentOS] claiming unsused space back

2017-08-01 Thread Leroy Tennison
information listing the command, option and version it is > implemented in? That alone would be a great help. > > - Original Message - > From: "Chris Adams" <li...@cmadams.net> > To: "centos" <centos@centos.org> > Sent: Monday, July 31, 201

Re: [CentOS] claiming unsused space back

2017-08-01 Thread Johnny Hughes
implemented in? That alone would be a great help. > > - Original Message - > From: "Chris Adams" <li...@cmadams.net> > To: "centos" <centos@centos.org> > Sent: Monday, July 31, 2017 11:45:20 AM > Subject: Re: [CentOS] claiming unsused spac

Re: [CentOS] claiming unsused space back

2017-07-31 Thread Leroy Tennison
Message - From: "Chris Adams" <li...@cmadams.net> To: "centos" <centos@centos.org> Sent: Monday, July 31, 2017 11:45:20 AM Subject: Re: [CentOS] claiming unsused space back Once upon a time, Warren Young <war...@etr-usa.com> said: > Zeroing t

Re: [CentOS] claiming unsused space back

2017-07-31 Thread Chris Adams
Once upon a time, Warren Young 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

Re: [CentOS] claiming unsused space back

2017-07-31 Thread Miguel González
onzález" <miguel_3_gonza...@yahoo.es> > To: "centos" <centos@centos.org> > Sent: Saturday, July 29, 2017 5:11:33 AM > Subject: [CentOS] claiming unsused space back > > Hi, > > I´m running a CentOS server in a VPS. Backups of the VPS take quite &

Re: [CentOS] claiming unsused space back

2017-07-31 Thread Warren Young
On Jul 31, 2017, at 7:28 AM, Leroy Tennison wrote: > > if you have found Debian commands, you're doing better than me. What are > they? I’m not aware of a generic Debian-to-CentOS command translation dictionary. You’ll have to be specific about the commands you’re

Re: [CentOS] claiming unsused space back

2017-07-31 Thread Warren Young
On Jul 31, 2017, at 7:50 AM, Fred Smith wrote: > > On Mon, Jul 31, 2017 at 08:28:49AM -0500, Leroy Tennison wrote: >> dd to totally fill the partition > > I may be blind, but I don't seehow that technique can "reclaim" any space. In addition to the OP’s qemu

Re: [CentOS] claiming unsused space back

2017-07-31 Thread Leroy Tennison
os.org> Sent: Monday, July 31, 2017 9:54:27 AM Subject: Re: [CentOS] claiming unsused space back If you are using XFS - there is mount option "discard|nodiscard" From XFS man page: discard|nodiscard Enable/disable the issuing of commands to let the block dev

Re: [CentOS] claiming unsused space back

2017-07-31 Thread Ruttkay Vladimir
nodiscard is the default. Vladimir -Original Message- From: CentOS [mailto:centos-boun...@centos.org] On Behalf Of Leroy Tennison Sent: Monday, July 31, 2017 4:42 PM To: centos <centos@centos.org> Subject: Re: [CentOS] claiming unsused space back You're right, there's a procedure fo

Re: [CentOS] claiming unsused space back

2017-07-31 Thread Leroy Tennison
st convert to raw, shrink and re-convert to qcow2 if you want those capabilities. - Original Message - From: "Fred Smith" <fre...@fcshome.stoneham.ma.us> To: "centos" <centos@centos.org> Sent: Monday, July 31, 2017 8:50:57 AM Subject: Re: [CentOS] claiming unsu

Re: [CentOS] claiming unsused space back

2017-07-31 Thread Johnny Hughes
s.org> >> Sent: Saturday, July 29, 2017 5:11:33 AM >> Subject: [CentOS] claiming unsused space back >> >> Hi, >> >> I´m running a CentOS server in a VPS. Backups of the VPS take quite >> much space if I don´t claim unused space. >> >> Currentl

Re: [CentOS] claiming unsused space back

2017-07-31 Thread Fred Smith
n the web as a > recommendation)? If so, is the OS surviving acceptably? > > - Original Message - > From: "Miguel González" <miguel_3_gonza...@yahoo.es> > To: "centos" <centos@centos.org> > Sent: Saturday, July 29, 2017 5:11:33 AM > Subject: [CentOS] c

Re: [CentOS] claiming unsused space back

2017-07-31 Thread Leroy Tennison
- From: "Miguel González" <miguel_3_gonza...@yahoo.es> To: "centos" <centos@centos.org> Sent: Saturday, July 29, 2017 5:11:33 AM Subject: [CentOS] claiming unsused space back Hi, I´m running a CentOS server in a VPS. Backups of the VPS take quite much spa

[CentOS] claiming unsused space back

2017-07-29 Thread Miguel González
Hi, I´m running a CentOS server in a VPS. Backups of the VPS take quite much space if I don´t claim unused space. Currently I´m using dd if=/dev/zero of=/mytempfile and remove that file to claim that unused space. Any automatic way of doing a similar thing in CentOS? I have googled for it but