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Re: [CentOS] ZFS on Linux testing effort
by Chuck Munro 06 Dec '13

06 Dec '13

> On 04.12.2013 14:05, John Doe wrote: >> >From: Lists<lists(a)benjamindsmith.com> >> > >>> >>Our next big test is to try out ZFS filesystem send/receive in lieu >>> >>of >>> >>our current backup processes based on rsync. Rsync is a fabulous >>> >>tool, >>> >>but is beginning to show performance/scalability issues dealing with >>> >>the >>> >>many millions of files being backed up, and we're hoping that ZFS >>> >>filesystem replication solves this. >> > >> >Not sure if I already mentioned it but maybe have a look at: >> >?http://code.google.com/p/lsyncd/ > I'm not so sure inotify works well with millions of files, not to > mention it uses rsync. :D > > -- Sent from the Delta quadrant using Borg technology! Nux! I can attest to the usefulness of 'lsyncd' for large numbers of files (our file server has almost 2 million in active use, with a second backup server that's lsync'd to the first. Things to note: - Yes, lsyncd does use rsync, but it issues an 'exclude *' followed by the list of only the file(s) that need updating at that moment. - The inotify service can be jacked waaaay up (three kernel parameters) to handle millions of files if you wish. Just make sure you have lots of RAM. It's wise to tune ZFS to *not* use all available RAM. - Updating is very quick and has never failed. Regarding ZFS, our two ZFS-on-Linux servers have been in full production for several months, with zero problems so far. Updates to the latest version is quite painless. Today I had to replace a failed 4TB drive ... it took just a few minutes and required only two commands to do the replacement and start the resilvering process. This was done while the server was in active use, with only a small performance hit. Sweet! Chuck

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yum update interruption recovery
by Hugh E Cruickshank 06 Dec '13

06 Dec '13

Hi All: I am having problems with a CentOS 6.4 box that I was in the process of doing a yum update to 6.5. Unfortunately the system hung during the update and I was forced to reboot it and it is now a bit of a mess. Can someone point me in the direction of any documentation that would assist in the recovering from this. TIA Regards, Hugh -- Hugh E Cruickshank, Forward Software, www.forward-software.com

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Issue mounting /home area from NAS server
by Pat Haley 06 Dec '13

06 Dec '13

Hi, Just before the Thanksgiving break, we enabled quotas on the /home areas on the mseas-data server (running CentOS 5.8), using the following line in the updated /etc/fstab /dev/mapper/the_raid-lv_home /home ext3 defaults,usrquota,grpquota 1 0 Following the Thanksgiving reboot of mseas-data we have been experiencing problems with svn on mseas (our front-end machine, running CentOS 6.2). After consulting with the svn mailing list, it appeared to be a communication issue between mseas and mseas-data. We therefore rebooted mseas. Now mseas is not mounting /home. We get the following error [root@mseas etc]# mount mseas-data:/home mount.nfs: Unknown error 521 We have tried this mounting with both of the following lines in fstab and got the same error mseas-data:/home /home nfs defaults 0 0 mseas-data:/home /home nfs defaults,usrquota,grpquota 0 0 (the latter was to mimic the mounting of /home on mseas-data) The only thing we've found out on the web so far was advice on editting /etc/exports to have an "insecure" option for the export of /home, which we already had. Any thoughts on how to resolve or debug this issue would be greatly appreciated. Thank you. -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- Pat Haley Email: phaley(a)mit.edu Center for Ocean Engineering Phone: (617) 253-6824 Dept. of Mechanical Engineering Fax: (617) 253-8125 MIT, Room 5-213 http://web.mit.edu/phaley/www/ 77 Massachusetts Avenue Cambridge, MA 02139-4301

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No Trackpad tab in Mouse Preferences
by Wes James 05 Dec '13

05 Dec '13

I have CentOS 6.5 running on a iMac. I tried to set up a trackpad, but the Bluetooth utility said there was no bluetooth hardware. I rebooted in to the OS X side and verified that bluetooth was in the system and set up the trackpad. I then rebooted in to CentOS again and there was no Bluetooth icon in the panel for setting up BlueTooth devices, but I pressed the trackpad and it started working. I then looked in to enabled tap (instead of a hard press), but there is no Trackpad tab in the Mouse Preferences pane. How do I get the Trackpad tab? I did rpm -qa|grep synaptics and it show I have xorg-x11-drv-synaptics-1.6.2-13.el6.x86_64 installed. How do I get the Trackpad tab? Thanks, -wes

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CentOS-announce Digest, Vol 106, Issue 3
by centos-announce-request＠centos.org 05 Dec '13

05 Dec '13

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lastlog oddity
by m.roth＠5-cent.us 04 Dec '13

04 Dec '13

This is very odd. I updated a user's workstation yesterday. This morning, I ran lastlog | grep -v Never, and it shows only another admin and myself, and that's from days ago, but not the user. It shows her as "Never logged in". Meanwhile, last does indeed show her logged in (though not today). Anyone have any ideas? mark

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Outbound traffic spike every 30 minutes
by Bowie Bailey 04 Dec '13

04 Dec '13

Since Sunday morning, one of my CentOS servers has been generating a small spike of outbound traffic every 30 minutes (X:00 and X:30). It's not enough traffic to really cause any notice except for the fact that it is a very regular pattern and it started abruptly at midnight Sunday. This server is used for mail (Courier-MTA), and DNS (Bind). I cannot find anything unusual in either of those logs. I tried grepping through my firewall logs, but have been unable to find anything useful there either. I don't see any cron jobs that would generate network traffic. Any suggestions how I can go about tracking this down? -- Bowie

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driver disk in kickstart...
by John Doe 04 Dec '13

04 Dec '13

Hi, I need to add a driver in my usb install key kickstart to handle some crap hp fake raid. The thing is the "driverdisk" option offers "partition" or some network options. I would like to put everything on the key, so no network. Does "partition" mean it is restricted to the "/" of it? Does it mean that either I have to extract the .img file in the "/" of my usb key (a bit messy), or that I need to create another partition just for it? Thx, JD

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Query on make
by Rajagopal Swaminathan 04 Dec '13

04 Dec '13

Greetings, I have created several scripts which needs to be packaged. I have done my groundwork on rpmbuild Let us say I have 4 directories with scripts in them dir1, dir2, dir3 and dir4 I want to create different packages which will contain the compiled code (err.. shc) pack1: dir1,dir2 pack2: dir1,dir3 pack3: dir1,dir3 I want the resulting rpm packages will be residing elsewhere (perhaps BUILDROOT). Now I am aware of using different specfiles But When and how do I compile the packages? Using makefiles? Can it produce different variants? I am a bit confused as to the workflow. the sources cannot be part of eithr the srpm or the deliverable rpms. Please note that this project will be maintained by someone else with unknown familiarity. Any suggestions, pointers, help etc. please? Thanks in advance -- Regards, Rajagopal

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CentOS-announce Digest, Vol 106, Issue 2
by centos-announce-request＠centos.org 04 Dec '13

04 Dec '13

Send CentOS-announce mailing list submissions to centos-announce(a)centos.org To subscribe or unsubscribe via the World Wide Web, visit http://lists.centos.org/mailman/listinfo/centos-announce or, via email, send a message with subject or body 'help' to centos-announce-request(a)centos.org You can reach the person managing the list at centos-announce-owner(a)centos.org When replying, please edit your Subject line so it is more specific than "Re: Contents of CentOS-announce digest..." Today's Topics: 1. CESA-2013:1779 Moderate CentOS 6 mod_nss Update (Johnny Hughes) 2. CESA-2013:1778 Moderate CentOS 6 gimp Update (Johnny Hughes) 3. CEBA-2013:1746 CentOS 6 resource-agents Update (Johnny Hughes) 4. CEBA-2013:1750 CentOS 6 qemu-kvm Update (Johnny Hughes) 5. CEBA-2013:1751 CentOS 6 openssl Update (Johnny Hughes) 6. CEBA-2013:1749 CentOS 6 virt-v2v Update (Johnny Hughes) 7. CESA-2013:1779 Moderate CentOS 5 mod_nss Update (Johnny Hughes) 8. CESA-2013:1778 Moderate CentOS 5 gimp Update (Johnny Hughes) ---------------------------------------------------------------------- Message: 1 Date: Tue, 3 Dec 2013 22:51:46 +0000 From: Johnny Hughes <johnny(a)centos.org> Subject: [CentOS-announce] CESA-2013:1779 Moderate CentOS 6 mod_nss Update To: centos-announce(a)centos.org Message-ID: <20131203225146.GA60117(a)n04.lon1.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Security Advisory 2013:1779 Moderate Upstream details at : https://rhn.redhat.com/errata/RHSA-2013-1779.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: f4042ad5884a7146e5bc22ebfd27de9937c71f5c1e080ce073e90769caf91c28 mod_nss-1.0.8-19.el6_5.i686.rpm x86_64: 83079558f7cdfbdc33f20541e2a04f4f8d7a383177f1b93187f0798c62b31606 mod_nss-1.0.8-19.el6_5.x86_64.rpm Source: f8134f4fa649e814719c663e0f6a74395ab4661631dd28135c457a58fc52c0e1 mod_nss-1.0.8-19.el6_5.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net ------------------------------ Message: 2 Date: Tue, 3 Dec 2013 22:52:31 +0000 From: Johnny Hughes <johnny(a)centos.org> Subject: [CentOS-announce] CESA-2013:1778 Moderate CentOS 6 gimp Update To: centos-announce(a)centos.org Message-ID: <20131203225231.GA60413(a)n04.lon1.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Security Advisory 2013:1778 Moderate Upstream details at : https://rhn.redhat.com/errata/RHSA-2013-1778.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: 14cd056ef404b052fed0e3caf5af54916c91565ec27f3eaa23631fc1583a5834 gimp-2.6.9-6.el6_5.i686.rpm aba9b26990eeb7152db3a6568c68fa8ce48381a023e241dbc58be826a237994f gimp-devel-2.6.9-6.el6_5.i686.rpm f96205c80c38bf709b1966e55998d5f04d59538deac100e13b6b01e7c45ae8f5 gimp-devel-tools-2.6.9-6.el6_5.i686.rpm 316122512919da96ebb1deef825b863658a05fc9d5f8ffd50d193776faa18717 gimp-help-browser-2.6.9-6.el6_5.i686.rpm fddd481b9652bb85e47d3c01755f5befc247a502b07586dfcc12b9a2ab1d189f gimp-libs-2.6.9-6.el6_5.i686.rpm x86_64: 6d816b1816323f416370d96eba63071f7a4e9ce06d5d3fad67cc33b3bc4cad37 gimp-2.6.9-6.el6_5.x86_64.rpm aba9b26990eeb7152db3a6568c68fa8ce48381a023e241dbc58be826a237994f gimp-devel-2.6.9-6.el6_5.i686.rpm 04c013fd27c956c87a71275026958e6588615c5ad1f232e42ef5af08be01a1ac gimp-devel-2.6.9-6.el6_5.x86_64.rpm b80339a50a8d0c2f404a1ca4650d72349786ba9950439feb20f479fd09c7884b gimp-devel-tools-2.6.9-6.el6_5.x86_64.rpm 5a1d6d831be95f5c092e5ce36a6a8d0de5d8d3a2d82efab904b0be74b6a36892 gimp-help-browser-2.6.9-6.el6_5.x86_64.rpm fddd481b9652bb85e47d3c01755f5befc247a502b07586dfcc12b9a2ab1d189f gimp-libs-2.6.9-6.el6_5.i686.rpm b45150ad448379da1a75389c716e110d3c7e12a6486190ba7d12a8546fd032b2 gimp-libs-2.6.9-6.el6_5.x86_64.rpm Source: 40e7b3a995c3775f3370962f9a297ac5eb37aee6d8729782f237c9528a2b1972 gimp-2.6.9-6.el6_5.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net ------------------------------ Message: 3 Date: Tue, 3 Dec 2013 22:52:59 +0000 From: Johnny Hughes <johnny(a)centos.org> Subject: [CentOS-announce] CEBA-2013:1746 CentOS 6 resource-agents Update To: centos-announce(a)centos.org Message-ID: <20131203225259.GA60614(a)n04.lon1.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Bugfix Advisory 2013:1746 Upstream details at : https://rhn.redhat.com/errata/RHBA-2013-1746.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: 07aa66015af7795d0d877bb23264af217ad0d3a7d9c5fa8c07620d314b60c6e2 resource-agents-3.9.2-40.el6_5.3.i686.rpm a1391f9fcd80d56460a6ba8f1cc20c0c478ae71ef1f7c3398d14d8662f3e729e resource-agents-sap-3.9.2-40.el6_5.3.i686.rpm x86_64: f20dc1a0a8866af458be429e5cdc474fb50e30593dfe47d8520c5387815254b7 resource-agents-3.9.2-40.el6_5.3.x86_64.rpm 89d4c0a99037726a842dc26c9a6b894a8bd254782e2d6e1652a22fceff8d79ef resource-agents-sap-3.9.2-40.el6_5.3.x86_64.rpm Source: 9196e687fb0426290aef2251dc962bf7a05f197e6ec036f8985c73799846304e resource-agents-3.9.2-40.el6_5.3.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net ------------------------------ Message: 4 Date: Tue, 3 Dec 2013 22:53:38 +0000 From: Johnny Hughes <johnny(a)centos.org> Subject: [CentOS-announce] CEBA-2013:1750 CentOS 6 qemu-kvm Update To: centos-announce(a)centos.org Message-ID: <20131203225338.GA60832(a)n04.lon1.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Bugfix Advisory 2013:1750 Upstream details at : https://rhn.redhat.com/errata/RHBA-2013-1750.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: c772d1f85c6046a9c85e7630ae9cf70b58ad604f30eca9a7473df8505c2212bd qemu-guest-agent-0.12.1.2-2.415.el6_5.3.i686.rpm x86_64: 7a670e5969d446ea0dbed51b1e5ae02d54723413ceec638e53565009da02d7d8 qemu-guest-agent-0.12.1.2-2.415.el6_5.3.x86_64.rpm 55bd90846719e7d1d90689e2d79167b82efcbd1f1923466dd03741831fc49e5f qemu-img-0.12.1.2-2.415.el6_5.3.x86_64.rpm 27c0925c07303dad0e1dbc1e3f1468847461c8ec6785d3dd17c989a79e108acc qemu-kvm-0.12.1.2-2.415.el6_5.3.x86_64.rpm d46d052d5df9718b851b8eb76c4645fd1885bef379363f36a1ae5c6d8169f59f qemu-kvm-tools-0.12.1.2-2.415.el6_5.3.x86_64.rpm Source: 7f08d05d148ab1a7276462965579a0c7365b951c257678a86c97e6128d5f7051 qemu-kvm-0.12.1.2-2.415.el6_5.3.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net ------------------------------ Message: 5 Date: Tue, 3 Dec 2013 22:54:05 +0000 From: Johnny Hughes <johnny(a)centos.org> Subject: [CentOS-announce] CEBA-2013:1751 CentOS 6 openssl Update To: centos-announce(a)centos.org Message-ID: <20131203225405.GA61097(a)n04.lon1.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Bugfix Advisory 2013:1751 Upstream details at : https://rhn.redhat.com/errata/RHBA-2013-1751.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: 84130aca6ddd9a6f49ac4b4522982d3b0fd4aa09e12669cbec3b55a63a1e38ff openssl-1.0.1e-16.el6_5.i686.rpm 6a24c88eb8986f6c7cb76fdb874dd9075b7a1fc781903736da199ff2999468db openssl-devel-1.0.1e-16.el6_5.i686.rpm db69098f1c654087c4e77841e9c7d100947be693f06b48842b2e8feb5d362120 openssl-perl-1.0.1e-16.el6_5.i686.rpm f8255f413e34c16f766a7083880d987aa25d910c0b9bad516f1c95bdd1202ac0 openssl-static-1.0.1e-16.el6_5.i686.rpm x86_64: 84130aca6ddd9a6f49ac4b4522982d3b0fd4aa09e12669cbec3b55a63a1e38ff openssl-1.0.1e-16.el6_5.i686.rpm f731249afe742fb12ddb2ed036eb20fa4fe8a5e90cf2682326875f9015468cef openssl-1.0.1e-16.el6_5.x86_64.rpm 6a24c88eb8986f6c7cb76fdb874dd9075b7a1fc781903736da199ff2999468db openssl-devel-1.0.1e-16.el6_5.i686.rpm c0de07a2839dd5698ee170913e203f80aeecd32ad2da7705f3416faaab2b1632 openssl-devel-1.0.1e-16.el6_5.x86_64.rpm 3269d13c33c8f8a2fbdf19fd18132b101888e3deb1c1ee0683ef6ef7fc7b5d83 openssl-perl-1.0.1e-16.el6_5.x86_64.rpm 210f0277c64dd180cc946e060a1300e6cc829908d6a5c339a8cd67291ee39522 openssl-static-1.0.1e-16.el6_5.x86_64.rpm Source: e384510ab87aaf6a8a5d00a208872ac9c97a4c29dbd7ef34ce332846c2238f0f openssl-1.0.1e-16.el6_5.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net ------------------------------ Message: 6 Date: Tue, 3 Dec 2013 22:54:38 +0000 From: Johnny Hughes <johnny(a)centos.org> Subject: [CentOS-announce] CEBA-2013:1749 CentOS 6 virt-v2v Update To: centos-announce(a)centos.org Message-ID: <20131203225438.GA61272(a)n04.lon1.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Bugfix Advisory 2013:1749 Upstream details at : https://rhn.redhat.com/errata/RHBA-2013-1749.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) x86_64: eb6d8ba8ca2367c81a9318e115b00fe4356a4aa3d0ad277b8373c591b0e074fa virt-v2v-0.9.1-5.el6_5.x86_64.rpm Source: 23aa169a793883a5423f21ae3bd004b968c4907c1f4b7d4f1c322d56e2a284c4 virt-v2v-0.9.1-5.el6_5.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net ------------------------------ Message: 7 Date: Tue, 3 Dec 2013 23:06:38 +0000 From: Johnny Hughes <johnny(a)centos.org> Subject: [CentOS-announce] CESA-2013:1779 Moderate CentOS 5 mod_nss Update To: centos-announce(a)centos.org Message-ID: <20131203230638.GA27236(a)chakra.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Security Advisory 2013:1779 Moderate Upstream details at : https://rhn.redhat.com/errata/RHSA-2013-1779.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: 6b479a0d065d69b9908d1678bc4baf881358e68902833c0416352a0deb544bb1 mod_nss-1.0.8-8.el5_10.i386.rpm x86_64: ce99075d14f4d1dd01902d23734a5e0f054a695c1aeca734afe29b0899954e0b mod_nss-1.0.8-8.el5_10.x86_64.rpm Source: 846205b78d5356c09367c29ff9bb6c106f22a73287684bf469f06fad6de5998f mod_nss-1.0.8-8.el5_10.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net ------------------------------ Message: 8 Date: Tue, 3 Dec 2013 23:07:52 +0000 From: Johnny Hughes <johnny(a)centos.org> Subject: [CentOS-announce] CESA-2013:1778 Moderate CentOS 5 gimp Update To: centos-announce(a)centos.org Message-ID: <20131203230752.GA27348(a)chakra.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Security Advisory 2013:1778 Moderate Upstream details at : https://rhn.redhat.com/errata/RHSA-2013-1778.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: 878b8cb33fb0fdb77dbd6a1c3f3d29bc53ce880da5e87ddf14a4c376e4197951 gimp-2.2.13-3.el5_10.i386.rpm cc864abb90e877efa2a71fac0d011e61f2d5f8340a77f914b3c516e386b72023 gimp-devel-2.2.13-3.el5_10.i386.rpm c1949b85b5678516add79c8903b68d8dcd3c337326f131a19fc83756c36b05c7 gimp-libs-2.2.13-3.el5_10.i386.rpm x86_64: 5d725a0161d9ccef88ea1079b49f7c6a97c583211190c07fc8e61a80c78cf422 gimp-2.2.13-3.el5_10.x86_64.rpm cc864abb90e877efa2a71fac0d011e61f2d5f8340a77f914b3c516e386b72023 gimp-devel-2.2.13-3.el5_10.i386.rpm 48c4d79bff57bb63b1076f0e8b9a0269de82f530eee1312319137fdf90472141 gimp-devel-2.2.13-3.el5_10.x86_64.rpm c1949b85b5678516add79c8903b68d8dcd3c337326f131a19fc83756c36b05c7 gimp-libs-2.2.13-3.el5_10.i386.rpm 9f46d3b5ecf363b6b96bc9dd9a94060dee0173d19cb0a43cb818e1deaa8ac6c3 gimp-libs-2.2.13-3.el5_10.x86_64.rpm Source: 53bf4e7aec74b5ebe980c587ab4924e4fba39483a3e990e6b9c803342edc2611 gimp-2.2.13-3.el5_10.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net ------------------------------ _______________________________________________ CentOS-announce mailing list CentOS-announce(a)centos.org http://lists.centos.org/mailman/listinfo/centos-announce End of CentOS-announce Digest, Vol 106, Issue 2 ***********************************************

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