Re: [CentOS] Rsync and differential Backups

2015-11-10 Thread John Logsdon
Folks I have been using rsnapshot for years now. The only problem I've found is that it is possible to run out of inodes. So my heads-up is that when you create the file system, ensure you have more than the default inodes - I usually multiply the default by 10. Otherwise you can find your 1Tb USB

Re: [CentOS] Rsync and differential Backups

2015-11-10 Thread John R Pierce
On 11/10/2015 12:18 AM, John Logsdon wrote: I have been using rsnapshot for years now. The only problem I've found is that it is possible to run out of inodes. So my heads-up is that when you create the file system, ensure you have more than the default inodes - I usually multiply the default by

Re: [CentOS] Rsync and differential Backups

2015-11-10 Thread Arun Khan
On Tue, Nov 10, 2015 at 10:52 AM, Arun Khan wrote: > On Mon, Nov 9, 2015 at 9:31 PM, Alessandro Baggi > wrote: >> Hi list, >> how to perform a differential backup using rsync? >> >> On web there is a great confusion about diff backup concept when searched >> with rsync. >> >> Users says diff beca

Re: [CentOS] Rsync and differential Backups

2015-11-10 Thread John Logsdon
Thanks John - I haven't used XFS. This issue arose on ext3 I think some years ago on a rather elderly system. If XFS avoids this that's great but if someone is still using legacy systems, they need to be warned! > On 11/10/2015 12:18 AM, John Logsdon wrote: >> I have been using rsnapshot for ye

Re: [CentOS] Rsync and differential Backups

2015-11-10 Thread Ole Holm Nielsen
Alessandro Baggi wrote: how to perform a differential backup using rsync? On web there is a great confusion about diff backup concept when searched with rsync. I think the answer to this question is Rsnapshot, which is an old and well proven tool: http://rsnapshot.org/. To quote the homepag

Re: [CentOS] CentOS6: missing kernel module?

2015-11-10 Thread Johnny Hughes
On 11/09/2015 03:46 PM, Akemi Yagi wrote: > On Mon, Nov 9, 2015 at 1:29 PM, Benjamin Smith > wrote: >> Testing out tipc for cluster development, and running into an immediate snag. >> tipcutils was found in EPEL but despite having a "compatible" kernel, it >> doesn't seem to actually work. >> >>

Re: [CentOS] Rsync and differential Backups

2015-11-10 Thread Gordon Messmer
On 11/09/2015 09:22 PM, Arun Khan wrote: You can use "newer" options of the find command and pass the file list to rsync or scp to "backup" only those files that have changed since the last run. You can keep a file like .lastbackup and timestamp it (touch) at the start of the backup process. Ne

Re: [CentOS] centos 6 and super jumbo frames

2015-11-10 Thread Steven Tardy
> On Nov 9, 2015, at 11:34 AM, Steve Clark wrote: > > IP 10.79.4.53.64327 > 10.79.2.53.24294: Flags [.], seq 16060:29200, ack 1, > win 32767, length 13140 Do you have RSS enabled? With RSS the software/tcpdump sees larger "packets" but the physical NIC chunks down to the wire MTU. What does

[CentOS] Samsung evo 840 fixes

2015-11-10 Thread Christer Solskogen
Queued TRIM seems to be a problem with this kind of drive (with the latest firmware), and a "recent" kernel (4.1.x) seems to have this fixed this without disabling NCQ completely. Is that patch backported to the "mainline" CentOS 6 or CentOS7 kernel? -- chs ___

Re: [CentOS] OT: bacula question

2015-11-10 Thread Paul Heinlein
On Mon, 9 Nov 2015, m.r...@5-cent.us wrote: Hi, folks, Question, for those that use/have used bacula: I've been setting up backups for one team, the server on CentOS 6, but they're on Windows. If we install the director on Windows, is it possible for the users to restore files from the serve

Re: [CentOS] Samsung evo 840 fixes

2015-11-10 Thread Gordon Messmer
On 11/10/2015 10:14 AM, Christer Solskogen wrote: Queued TRIM seems to be a problem with this kind of drive (with the latest firmware), and a "recent" kernel (4.1.x) seems to have this fixed this without disabling NCQ completely. Is that patch backported to the "mainline" CentOS 6 or CentOS7 ke

Re: [CentOS] Samsung evo 840 fixes

2015-11-10 Thread Christer Solskogen
On 10.11.2015 20.18, Gordon Messmer wrote: On 11/10/2015 10:14 AM, Christer Solskogen wrote: Queued TRIM seems to be a problem with this kind of drive (with the latest firmware), and a "recent" kernel (4.1.x) seems to have this fixed this without disabling NCQ completely. Is that patch backporte

[CentOS] Differences from upstream RHEL

2015-11-10 Thread Edward Ned Harvey (centos)
At work, we use some commercial software, that names RHEL6 as a supported OS, but not Centos6. I would like to know the difference between Centos and RHEL, in order to claim (or not) that we can support our users on Centos instead of RHEL. I see the release notes, that say "Packages modified by

Re: [CentOS] Rsync and differential Backups

2015-11-10 Thread Warren Young
On Nov 10, 2015, at 8:46 AM, Gordon Messmer wrote: > > On 11/09/2015 09:22 PM, Arun Khan wrote: >> You can use "newer" options of the find command and pass the file list > > the process you described is likely to miss files that are modified while > "find" runs. Well, be fair, rsync can also m

Re: [CentOS] Differences from upstream RHEL

2015-11-10 Thread Peter
On 11/11/2015 09:03 AM, Edward Ned Harvey (centos) wrote: > At work, we use some commercial software, that names RHEL6 as a > supported OS, but not Centos6. I would like to know the difference > between Centos and RHEL, in order to claim (or not) that we can > support our users on Centos instead of

Re: [CentOS] OT: bacula question

2015-11-10 Thread m . roth
Paul Heinlein wrote: > On Mon, 9 Nov 2015, m.r...@5-cent.us wrote: >> >> Question, for those that use/have used bacula: I've been setting up >> backups for one team, the server on CentOS 6, but they're on >> Windows. If we install the director on Windows, is it possible for >> the users to restore

Re: [CentOS] Differences from upstream RHEL

2015-11-10 Thread Gordon Messmer
On 11/10/2015 12:03 PM, Edward Ned Harvey (centos) wrote: At work, we use some commercial software, that names RHEL6 as a supported OS, but not Centos6. I would like to know the difference between Centos and RHEL, in order to claim (or not) that we can support our users on Centos instead of RH

Re: [CentOS] Samsung evo 840 fixes

2015-11-10 Thread Joseph L. Brunner
We have used that drive for 2 years with no issues. Amazing how much trouble people can get into when they tweak stuff... -Joe -Original Message- From: centos-boun...@centos.org [mailto:centos-boun...@centos.org] On Behalf Of Christer Solskogen Sent: Tuesday, November 10, 2015 03:01 PM

Re: [CentOS] Rsync and differential Backups

2015-11-10 Thread Gordon Messmer
On 11/10/2015 12:16 PM, Warren Young wrote: Well, be fair, rsync can also miss files if files are changing while the backup occurs. Once rsync has passed through a given section of the tree, it will not see any subsequent changes. I think you miss my meaning. Consider this sequence of even

Re: [CentOS] OT: bacula question

2015-11-10 Thread Paul Heinlein
On Tue, 10 Nov 2015, m.r...@5-cent.us wrote: Paul Heinlein wrote: On Mon, 9 Nov 2015, m.r...@5-cent.us wrote: Question, for those that use/have used bacula: I've been setting up backups for one team, the server on CentOS 6, but they're on Windows. If we install the director on Windows, is it

Re: [CentOS] Differences from upstream RHEL

2015-11-10 Thread Johnny Hughes
On 11/10/2015 02:03 PM, Edward Ned Harvey (centos) wrote: > At work, we use some commercial software, that names RHEL6 as a supported OS, > but not Centos6. I would like to know the difference between Centos and RHEL, > in order to claim (or not) that we can support our users on Centos instead of

Re: [CentOS] OT: bacula question

2015-11-10 Thread Devin Reade
--On Tuesday, November 10, 2015 02:14:56 PM -0500 m.r...@5-cent.us wrote: 'Friad not. My users are saying they'd like the ability, from their Windows machines, to restore, without having to ask me to do something from the server. And they want to be able to chose the files to restore As Pa

Re: [CentOS] Differences from upstream RHEL

2015-11-10 Thread Devin Reade
--On Tuesday, November 10, 2015 12:53:20 PM -0800 Gordon Messmer wrote: That depends on what you mean by "support." It's almost certainly possible to run the binaries on CentOS, but if you need any technical support from the vendor of that application, they might not provide it. Your first s

Re: [CentOS] Samsung evo 840 fixes

2015-11-10 Thread Gordon Messmer
On 11/10/2015 12:00 PM, Christer Solskogen wrote: This is the first I found. http://linux.slashdot.org/story/15/07/30/1814200/samsung-finds-fixes-bug-in-linux-trim-code That bug isn't specific to Samsung drives. It affected all SSDs used in raid0 and raid10 configurations. and https://bu

Re: [CentOS] OT: bacula question

2015-11-10 Thread Leon Fauster
Am 10.11.2015 um 22:36 schrieb Devin Reade : > > bat is a native GUI, so UNIX only. we use bat GUI on windows ... -- LF ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos

Re: [CentOS] OT: bacula question

2015-11-10 Thread m . roth
Devin Reade wrote: > --On Tuesday, November 10, 2015 02:14:56 PM -0500 m.r...@5-cent.us wrote: > >> 'Friad not. My users are saying they'd like the ability, from their >> Windows machines, to restore, without having to ask me to do something >> from the server. And they want to be able to chose the

Re: [CentOS] OT: bacula question

2015-11-10 Thread Devin Reade
--On Tuesday, November 10, 2015 11:58:33 PM +0100 Leon Fauster wrote: Am 10.11.2015 um 22:36 schrieb Devin Reade : bat is a native GUI, so UNIX only. we use bat GUI on windows ... I stand corrected. So it's either install bat on each client machine or have the clients use a web browser

Re: [CentOS] OT: bacula question

2015-11-10 Thread Devin Reade
--On Tuesday, November 10, 2015 05:22:51 PM -0500 m.r...@5-cent.us wrote: But is there any way for the clients to run their console, which connects to the director on the server, and tell the director on the server to restore files x,y, & z on the client's machine? Yes. Per Leon's email, I wa

Re: [CentOS] Samsung evo 840 fixes

2015-11-10 Thread Christer Solskogen
On 10.11.2015 22.00, Joseph L. Brunner wrote: We have used that drive for 2 years with no issues. Amazing how much trouble people can get into when they tweak stuff... Huh, like upgrading the firmware? -- chs ___ CentOS mailing list CentOS@centos.

Re: [CentOS] Rsync and differential Backups

2015-11-10 Thread J Martin Rushton
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On 10/11/15 21:05, Gordon Messmer wrote: > On 11/10/2015 12:16 PM, Warren Young wrote: >> >> Well, be fair, rsync can also miss files if files are changing >> while the backup occurs. Once rsync has passed through a given >> section of the tree, it w

Re: [CentOS] OT: bacula question

2015-11-10 Thread m . roth
Correction: this is actually about bareos, not bacula. mark "it's been a long day" ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos

Re: [CentOS] Rsync and differential Backups

2015-11-10 Thread Gordon Messmer
On 11/10/2015 03:38 PM, J Martin Rushton wrote: That's plain bad system analysis. Read the start date, record the current date and THEN start processing. You will get the odd extra file but will not loose any. That's my point. "find" doesn't do that and naïve implementations of the original

Re: [CentOS] Rsync and differential Backups

2015-11-10 Thread Benjamin Smith
On Monday, November 09, 2015 09:50:52 AM Gordon Messmer wrote: > > How I can perform a diff backup? > > Save yourself a lot of trouble and use a front-end like rsnapshot or > backuppc. If I may, I'd like to put in a plug for ZFS: Combining rsync and ZFS, you can rsync, then make a ZFS snapshot,

Re: [CentOS] Rsync and differential Backups

2015-11-10 Thread Arun Khan
On Wed, Nov 11, 2015 at 5:08 AM, J Martin Rushton wrote: > -BEGIN PGP SIGNED MESSAGE- > Hash: SHA1 > > On 10/11/15 21:05, Gordon Messmer wrote: >> On 11/10/2015 12:16 PM, Warren Young wrote: >>> >>> Well, be fair, rsync can also miss files if files are changing >>> while the backup occurs.

Re: [CentOS] Rsync and differential Backups

2015-11-10 Thread Arun Khan
On Wed, Nov 11, 2015 at 5:39 AM, Gordon Messmer wrote: > On 11/10/2015 03:38 PM, J Martin Rushton wrote: >> >> That's plain bad system analysis. Read the start date, record the >> current date and THEN start processing. You will get the odd extra >> file but will not loose any. > > > That's my p