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Re: [CentOS] Network Performance Update
by Gordon Messmer 06 May '18

06 May '18

On 05/06/2018 06:20 AM, Chris Olson wrote: > > Thanks for the follow up message regarding measurement > of network performance. we are checking into nc and > how it might be used. The man page for "nc" has specific examples of sending a file over TCP. > We have not found iperf on any > of our systems, but we may try installing it with yum. > > You may be right about the ftp server trying to use > ftruncate() on the destination file /dev/null, but > I do not see a reason that it would do that. What > needs to be truncated at the beginning of a transfer? Explaining *why* the authors of the FTP server wrote it as they did is beyond what I can offer. I can explain the mechanism, but not the rationale.

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Network Performance Update
by Chris Olson 06 May '18

06 May '18

My thanks to all that responded to my posting about measuring network performance. Helpful suggestions are always very much appreciated. The type of testing that we were attempting does not appear to be a major topic of interest on the list but the additional information below may be helpful to some users. Initial reports of an issue with |dd not being recognized was questioned so several more tests were conducted. Testing the transfer to /dev/null was repeated several times with identical results as indicated immediately below. How this message about dd was interpreted as it not being recognized is not clear. What is clear is the Broken pipe indication which we then went on to investigate. All indications are that the destination of the pipe was not accepting the sourced data. With this in mind we conducted several successful transfers as indicated below. It appears that /dev/null is not a legitimate place to send data from an ftp transfer. This was the case even when the original source was a file and not a dd command. One of the suggestions in response to our original posting indicated that "|dd might be changed to |"dd. This was also tried as indicated below. Both forms of the put command that send the data to an actual file (zeros) work and were repeated several times. Using the form |"dd consistently runs slower than using the original put command format: "|dd Bottom Line: Mystery partially solved. What is left is why the /dev/null destination for the data does not work. Just about every other commands we tried routing data to /dev/null work from any user space. Attempting Transfer Of dd Created Output To /dev/null ------------------------------------------------------------- ftp> ftp> put "|dd if=/dev/zero bs=32768 count=8000" /dev/null local: |dd if=/dev/zero bs=32768 count=8000 remote: /dev/null 227 Entering Passive Mode (192,168,1,101,27,154) 500 OOPS: ftruncate dd: writing `standard output': Broken pipe 1+0 records in 0+0 records out 0 bytes (0 B) copied, 9.3018e-05 s, 0.0 kB/s ftp> Successful Transfers Of dd Created Output To A File Named zeros --------------------------------------------------------------- ftp> ftp> put "|dd if=/dev/zero bs=32768 count=8000" zeros local: |dd if=/dev/zero bs=32768 count=8000 remote: zeros 227 Entering Passive Mode (192,168,1,103,164,178) 150 Ok to send data. 8000+0 records in 8000+0 records out 262144000 bytes (262 MB) copied, 26.4611 s, 9.9 MB/s 226 Transfer complete. 262144000 bytes sent in 27 seconds (9.7e+03 Kbytes/s) ftp> ftp> ftp> put |"dd if=/dev/zero bs=32768 count=8000" zeros local: |dd if=/dev/zero bs=32768 count=8000 remote: zeros 227 Entering Passive Mode (192,168,1,103,39,252) 150 Ok to send data. 8000+0 records in 8000+0 records out 262144000 bytes (262 MB) copied, 30.7971 s, 8.5 MB/s 226 Transfer complete. 262144000 bytes sent in 31 seconds (8.3e+03 Kbytes/s) ftp>

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NetworkManager dnsmasq plugin
by Frank Cox 06 May '18

06 May '18

I am trying to get dnsmasq to work through NetworkManager by putting dns=dnsmasq into /etc/NetworkManager/NetworkManager.conf NetworkManager still works but dnsmasq doesn't start. I get this error in /var/log/messages: could not load plugin 'dnsmasq' from file '/usr/lib64/NetworkManager/libnm-settings-plugin-dnsmasq.so And the referenced file doesn't exist, as stated. So where or how do I get libnm-settings-plugin-dnsmasq.so? I don't see any rpm that provides that file, though I'm hoping to be proved wrong of course. -- MELVILLE THEATRE ~ Real D 3D Digital Cinema ~ www.melvilletheatre.com

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Samba HOWTO wiki bug: chcon samba_share_t
by Warren Young 05 May '18

05 May '18

In this wiki article: https://wiki.centos.org/HowTos/SetUpSamba …there is a command down in section 2 that gives an error here on CentOS 7: $ sudo semanage fcontext –at samba_share_t /path/to/share …noise noise noise… semanage: error: unrecognized arguments: samba_share_t /path/to/share That and the following restorecon command can be replaced by a single shorter command, which also fixes the symptom: $ sudo chcon -R -t samba_share_t /path/to/share

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get unicode ranges from a TTF ???
by Alice Wonder 04 May '18

04 May '18

Hello list, Is there a command line tool I run on a ttf font and get a list of the Unicode Ranges for that that font that would be compatible with the unicode-range: parameter in a CSS @fontface declaration? I'm guessing something in the python world probably exists... Hopefully something that works in CentOS 7 I need something like that for a FLOSS font server project that doesn't track users. I don't feel a need to split up a font by unicode range, but a lot of fonts are already split by their upstream developers according to language support - e.g. the Noto Fonts, the main font has a lot of glyphs but Hebrew for example is in it's own font file already. I want to be able to get the range information for what the fonts support. Thanks for any tips. My font server project I need it for is at https://github.com/AliceWonderMiscreations/FlossWoff2

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HPLIP vs. CentOS
by Nicolas Kovacs 03 May '18

03 May '18

Hi, Our local school has recently acquired an HP PageWide Pro 477 professional printer. According to HP, the printer requires HPLIP 3.16.3 at least. Unfortunately, CentOS is only shipping HPLIP 3.15.9. So I downloaded and installed the hplip/hplipfull package from the HP site. Installing this thing and getting it to work is not exactly a trivial task, as I documented in my blog: https://blog.microlinux.fr/hp-pagewide-pro-centos/ The printer and the scanner worked perfectly for some time. Now all of a sudden scanning won't work anymore, and I have an alert that the HP plugin must be installed. So I launched hp-plugin (as I already did on numerous similar installations before), but unfortunately the plugin installation fails with the following error: Python gobject/dbus may not be installed. A google search shows me that I'm not alone, and that this error has affected users quite regularly over the years. The relevant packages are already installed on my system, so I'm facing a choice. 1. Either use the hplip-* packages provided by CentOS that are too old for our printer. 2. Use the buggy hplipfull package provided by HP. If anyone has an idea how to upgrade HPLIP on CentOS so that it actually works, I'd be grateful. Cheers, Niki -- Microlinux - Solutions informatiques durables 7, place de l'église - 30730 Montpezat Site : https://www.microlinux.fr Blog : https://blog.microlinux.fr Mail : info(a)microlinux.fr Tél. : 04 66 63 10 32

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CentOS-announce Digest, Vol 159, Issue 1
by centos-announce-request＠centos.org 03 May '18

03 May '18

Send CentOS-announce mailing list submissions to centos-announce(a)centos.org To subscribe or unsubscribe via the World Wide Web, visit https://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-2018:1270 Important CentOS 6 java-1.7.0-openjdk Security Update (Johnny Hughes) 2. CESA-2018:1098 Important CentOS 6 firefox Security Update (Johnny Hughes) 3. CESA-2018:1225 Critical CentOS 6 librelp Security Update (Johnny Hughes) 4. CESA-2018:1199 Important CentOS 6 patch Security Update (Johnny Hughes) 5. CESA-2018:1188 Critical CentOS 6 java-1.8.0-openjdk Security Update (Johnny Hughes) 6. CESA-2018:1124 Critical CentOS 6 python-paramiko Security Update (Johnny Hughes) ---------------------------------------------------------------------- Message: 1 Date: Wed, 2 May 2018 12:00:53 +0000 From: Johnny Hughes <johnny(a)centos.org> To: centos-announce(a)centos.org Subject: [CentOS-announce] CESA-2018:1270 Important CentOS 6 java-1.7.0-openjdk Security Update Message-ID: <20180502120053.GA52319(a)n04.lon1.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Security Advisory 2018:1270 Important Upstream details at : https://access.redhat.com/errata/RHSA-2018:1270 The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: 141cd9631a85b702e025ba5dcdb1caea40f3d7b120624de374b5ed92984e549c java-1.7.0-openjdk-1.7.0.181-2.6.14.1.el6_9.i686.rpm 5c9e2415bcfac9b37cc9c0a5b859238a11a83d4e259454effff40f30f7283b5f java-1.7.0-openjdk-demo-1.7.0.181-2.6.14.1.el6_9.i686.rpm db232b8611193c1afe8256b0f7e483d3f4944391848db28a923a6f807ffaf6fa java-1.7.0-openjdk-devel-1.7.0.181-2.6.14.1.el6_9.i686.rpm ebec3f7167077e0573d802f468af12f31fb3b5ef3ca8e75cac71dc6ed4da5b22 java-1.7.0-openjdk-javadoc-1.7.0.181-2.6.14.1.el6_9.noarch.rpm 9ec1ea9eb404747790c2a143463937d58848281b544975cd33d9da1dc2198bd9 java-1.7.0-openjdk-src-1.7.0.181-2.6.14.1.el6_9.i686.rpm x86_64: 548200b8396885c986d22485e1c283f95b57d182ef7e45335c544ae3a78e6b9f java-1.7.0-openjdk-1.7.0.181-2.6.14.1.el6_9.x86_64.rpm 930ab2cc8d37d5b4d175f057ce4b15e29755faf774a987c5705994e549ba6837 java-1.7.0-openjdk-demo-1.7.0.181-2.6.14.1.el6_9.x86_64.rpm 6f039f43f1331d949dc9ed6d53e53e64a25947a60dc6ff4d3257d06b96564704 java-1.7.0-openjdk-devel-1.7.0.181-2.6.14.1.el6_9.x86_64.rpm ebec3f7167077e0573d802f468af12f31fb3b5ef3ca8e75cac71dc6ed4da5b22 java-1.7.0-openjdk-javadoc-1.7.0.181-2.6.14.1.el6_9.noarch.rpm bd7c457813cfa716b61894b2fc1048e979da6c2c6dedc659741612c507a40d69 java-1.7.0-openjdk-src-1.7.0.181-2.6.14.1.el6_9.x86_64.rpm Source: 6f07f83fd4627cf6e3e3f8109c46250b3d16bffc8731b9c8365c5f21e5bcbbc6 java-1.7.0-openjdk-1.7.0.181-2.6.14.1.el6_9.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net Twitter: @JohnnyCentOS ------------------------------ Message: 2 Date: Wed, 2 May 2018 12:03:01 +0000 From: Johnny Hughes <johnny(a)centos.org> To: centos-announce(a)centos.org Subject: [CentOS-announce] CESA-2018:1098 Important CentOS 6 firefox Security Update Message-ID: <20180502120301.GA52564(a)n04.lon1.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Security Advisory 2018:1098 Important Upstream details at : https://access.redhat.com/errata/RHSA-2018:1098 The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: 02380bc2107f2a2ec19d84d2bfc49a3ea5c9cf51279a50d7f091878ef3253a24 firefox-52.7.3-1.el6.centos.i686.rpm x86_64: 02380bc2107f2a2ec19d84d2bfc49a3ea5c9cf51279a50d7f091878ef3253a24 firefox-52.7.3-1.el6.centos.i686.rpm 5933d213ce7a34a079e2f84d1bbb08b91dd28f10daa4ef2a487b426823325474 firefox-52.7.3-1.el6.centos.x86_64.rpm Source: a5330e8e79305f8dbb05ecd598579827216f4e98aff93e66270378595cebfc8b firefox-52.7.3-1.el6.centos.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net Twitter: @JohnnyCentOS ------------------------------ Message: 3 Date: Wed, 2 May 2018 12:03:26 +0000 From: Johnny Hughes <johnny(a)centos.org> To: centos-announce(a)centos.org Subject: [CentOS-announce] CESA-2018:1225 Critical CentOS 6 librelp Security Update Message-ID: <20180502120326.GA52803(a)n04.lon1.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Security Advisory 2018:1225 Critical Upstream details at : https://access.redhat.com/errata/RHSA-2018:1225 The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: d3d3215dd4f4b41bedcdb86ec63f3a20d102e8bb7ce6b95388bec575d6ef4ba0 librelp-1.2.7-3.el6_9.1.i686.rpm 6b57c15171003905d8a623a7e3f5147e6cc4c9302ec34d0210742805ac2d6ae1 librelp-devel-1.2.7-3.el6_9.1.i686.rpm x86_64: d3d3215dd4f4b41bedcdb86ec63f3a20d102e8bb7ce6b95388bec575d6ef4ba0 librelp-1.2.7-3.el6_9.1.i686.rpm 3234be9e14a573d0c2073c861e16db18ddff5fb0643be3ec9794633a49a5788c librelp-1.2.7-3.el6_9.1.x86_64.rpm 6b57c15171003905d8a623a7e3f5147e6cc4c9302ec34d0210742805ac2d6ae1 librelp-devel-1.2.7-3.el6_9.1.i686.rpm 9cfc8f354a19a8669e6a3a8001c9155d8822f3920dff1abd729eef752764acfe librelp-devel-1.2.7-3.el6_9.1.x86_64.rpm Source: a88451ecc7b9ba1500aa95e6e5e3ba3ad5c072a86f34815d10ade9e50cbeee10 librelp-1.2.7-3.el6_9.1.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net Twitter: @JohnnyCentOS ------------------------------ Message: 4 Date: Wed, 2 May 2018 12:03:45 +0000 From: Johnny Hughes <johnny(a)centos.org> To: centos-announce(a)centos.org Subject: [CentOS-announce] CESA-2018:1199 Important CentOS 6 patch Security Update Message-ID: <20180502120345.GA52989(a)n04.lon1.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Security Advisory 2018:1199 Important Upstream details at : https://access.redhat.com/errata/RHSA-2018:1199 The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: 6d4612d0d5772563ed63b20dfa2d927e7a142b1200303a1e838f82d7e5b2c429 patch-2.6-8.el6_9.i686.rpm x86_64: d7ee08c5cd48a92839be6fdf5e99bcc5ef48853fb5cc491a0f41e2419b0eb7b5 patch-2.6-8.el6_9.x86_64.rpm Source: 49753d0de64e91235f20c9e17acf1c7c009fd0fea9b06734942bfdacdef20f83 patch-2.6-8.el6_9.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net Twitter: @JohnnyCentOS ------------------------------ Message: 5 Date: Wed, 2 May 2018 12:04:48 +0000 From: Johnny Hughes <johnny(a)centos.org> To: centos-announce(a)centos.org Subject: [CentOS-announce] CESA-2018:1188 Critical CentOS 6 java-1.8.0-openjdk Security Update Message-ID: <20180502120448.GA53422(a)n04.lon1.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Security Advisory 2018:1188 Critical Upstream details at : https://access.redhat.com/errata/RHSA-2018:1188 The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: 3b3880acd70d462c4a7c99792ad650df5036905ee9f29903bd09a26bf887f580 java-1.8.0-openjdk-1.8.0.171-3.b10.el6_9.i686.rpm e457c857daf516f552ad529a0d0baa591edef484318bc200472223f08e4d95f8 java-1.8.0-openjdk-debug-1.8.0.171-3.b10.el6_9.i686.rpm eaf79a4a3eded5a956c50228fc4cbcb25f328f1b363982bd8e64eb6b4e1d4c5c java-1.8.0-openjdk-demo-1.8.0.171-3.b10.el6_9.i686.rpm 84b320acd0f3960083532090d510fa48057ac19bad387b24b3c469495eaa5bff java-1.8.0-openjdk-demo-debug-1.8.0.171-3.b10.el6_9.i686.rpm bd608747cd424e837b8823e8dbebd39c31bc3e7b5b87b79476c0314ddd7cd3ff java-1.8.0-openjdk-devel-1.8.0.171-3.b10.el6_9.i686.rpm ba14b04cc20ed0a6abd4e73a06874464d7ad20241fe76fcb2a6a1a3b294d0370 java-1.8.0-openjdk-devel-debug-1.8.0.171-3.b10.el6_9.i686.rpm 485bccd1b6600c42739a97ed9bd0b42adb82789b36d2259b29149594c6eaae6a java-1.8.0-openjdk-headless-1.8.0.171-3.b10.el6_9.i686.rpm 8d98014474ad927d69754b7a6b48e88127db10bddc82e7580f685938febae435 java-1.8.0-openjdk-headless-debug-1.8.0.171-3.b10.el6_9.i686.rpm 067eb162c00fb158e73774838dff1e63deacfe28712ed913b75ecbf30db28575 java-1.8.0-openjdk-javadoc-1.8.0.171-3.b10.el6_9.noarch.rpm 8a237c03e2a2a9a2a532db2224734d81aa533b486f0e70a3fe6a7d613dff121a java-1.8.0-openjdk-javadoc-debug-1.8.0.171-3.b10.el6_9.noarch.rpm addef18119e41fa63f96a92e0c811242e7aa0ef40f20cf6f33a5f1677b9a3143 java-1.8.0-openjdk-src-1.8.0.171-3.b10.el6_9.i686.rpm 6a2d43918f1fcf87fe5d0ae9f40d2b9e80ea917ef48ca16119bd397aa211f0fe java-1.8.0-openjdk-src-debug-1.8.0.171-3.b10.el6_9.i686.rpm x86_64: 18de1c67b46c2136da6950a454cb67d034f754af42e9f400d96fdacc92b1751c java-1.8.0-openjdk-1.8.0.171-3.b10.el6_9.x86_64.rpm bb46ae508c13585350e23cde93442c78af5b3205b69215fb1700b312fa58921e java-1.8.0-openjdk-debug-1.8.0.171-3.b10.el6_9.x86_64.rpm 0647ce24d006764eb618e021482ecc5c20c50864451dd46dd3f380f12ba7471d java-1.8.0-openjdk-demo-1.8.0.171-3.b10.el6_9.x86_64.rpm f60095ebf6e622a9bd98cadf6fedd7a5fff2d12b94c4ed8e086173642fa16b80 java-1.8.0-openjdk-demo-debug-1.8.0.171-3.b10.el6_9.x86_64.rpm 68b987230c8c678b60137237526fa00082cf6adfd74065c826ad49fcc875e9d6 java-1.8.0-openjdk-devel-1.8.0.171-3.b10.el6_9.x86_64.rpm 675d2775617c7d4c06a8c294024482c5ed16ef72e6e6684012db513682123abd java-1.8.0-openjdk-devel-debug-1.8.0.171-3.b10.el6_9.x86_64.rpm fb2db097b0c2d6c4d1871df51226558c0475c249f20f8ff04a2baa98e660f372 java-1.8.0-openjdk-headless-1.8.0.171-3.b10.el6_9.x86_64.rpm 14afc062e1f059f2c2feedf8b7802d0bbeef6e889c68f05dd77d2666bb3909ee java-1.8.0-openjdk-headless-debug-1.8.0.171-3.b10.el6_9.x86_64.rpm 067eb162c00fb158e73774838dff1e63deacfe28712ed913b75ecbf30db28575 java-1.8.0-openjdk-javadoc-1.8.0.171-3.b10.el6_9.noarch.rpm 8a237c03e2a2a9a2a532db2224734d81aa533b486f0e70a3fe6a7d613dff121a java-1.8.0-openjdk-javadoc-debug-1.8.0.171-3.b10.el6_9.noarch.rpm 881b93d21e115824920800b0fdc992760bc911a9334a6c84771efa4fbe5e7841 java-1.8.0-openjdk-src-1.8.0.171-3.b10.el6_9.x86_64.rpm aaa11f1aed134a9b954a394ef317cf056eb224334477d7d9e7777e81841c3d12 java-1.8.0-openjdk-src-debug-1.8.0.171-3.b10.el6_9.x86_64.rpm Source: ce61afe55abc160720f25a0f29a7b58cb4f04aac953b9e32f7c3292f10869afc java-1.8.0-openjdk-1.8.0.171-3.b10.el6_9.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net Twitter: @JohnnyCentOS ------------------------------ Message: 6 Date: Wed, 2 May 2018 12:05:32 +0000 From: Johnny Hughes <johnny(a)centos.org> To: centos-announce(a)centos.org Subject: [CentOS-announce] CESA-2018:1124 Critical CentOS 6 python-paramiko Security Update Message-ID: <20180502120532.GA53639(a)n04.lon1.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Security Advisory 2018:1124 Critical Upstream details at : https://access.redhat.com/errata/RHSA-2018:1124 The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: b3d780db118ae3d20d0b42094fbb9568f2392ab1d1fda44c5a706137e89c57c7 python-paramiko-1.7.5-4.el6_9.noarch.rpm x86_64: b3d780db118ae3d20d0b42094fbb9568f2392ab1d1fda44c5a706137e89c57c7 python-paramiko-1.7.5-4.el6_9.noarch.rpm Source: 516f2f3da754fde2dddef3baa1f44b2fc8eb058c6b22d7731a336165c77b42b7 python-paramiko-1.7.5-4.el6_9.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net Twitter: @JohnnyCentOS ------------------------------ Subject: Digest Footer _______________________________________________ CentOS-announce mailing list CentOS-announce(a)centos.org https://lists.centos.org/mailman/listinfo/centos-announce ------------------------------ End of CentOS-announce Digest, Vol 159, Issue 1 ***********************************************

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Re: [CentOS] More oddities...
by m.roth＠5-cent.us 02 May '18

02 May '18

From: Marcelo Ricardo Leitner <marcelo.leitner(a)gmail.com> On Tue, May 01, 2018 at 03:28:29PM -0400, m.roth(a)5-cent.us wrote: >> My manager's workstation is C 7.4, and it started screaming yesterday >> about issues with ata5. > >> Except that he has one internal and one external drive, and a DVD. Anyone >> have clues as to what could be causing this, or where to start looking? > ata'5' is about the port it is connected and not related to the count > of devices in there. > You should be able to match it with: > ls -l /sys/class/block | grep ata5 > There sould be a symlink like: > lrwxrwxrwx. 1 root root 0 abr 29 19:23 sda -> > ../../devices/pci0000:00/0000:00:1f.2/ata1/host0/target0:0:0/0:0:0:0/block/sda > Or by going through boot dmesg. Good thought... but no joy. I see links with sda, sda1, sdb, sdb1 and sdb2, and four for dm-[0-3], and nothing else. Looking in that symlink, I see ll /sys/devices/pci0000\:00/0000\:00\:1f.2/ata5/ total 0 drwxr-xr-x. 6 root root 0 May 2 10:12 ./ drwxr-xr-x. 10 root root 0 May 2 10:11 ../ drwxr-xr-x. 3 root root 0 May 2 10:14 ata_port/ drwxr-xr-x. 4 root root 0 May 2 10:14 host4/ drwxr-xr-x. 5 root root 0 May 2 10:14 link5/ drwxr-xr-x. 2 root root 0 May 2 10:14 power/ -rw-r--r--. 1 root root 4096 May 2 10:14 uevent $ ll /sys/devices/pci0000\:00/0000\:00\:1f.2/ata5/host4/ total 0 drwxr-xr-x. 4 root root 0 May 2 10:14 ./ drwxr-xr-x. 6 root root 0 May 2 10:12 ../ drwxr-xr-x. 2 root root 0 May 2 10:15 power/ drwxr-xr-x. 3 root root 0 May 2 10:15 scsi_host/ lrwxrwxrwx. 1 root root 0 May 1 17:59 subsystem -> ../../../../../bus/scsi/ -rw-r--r--. 1 root root 4096 May 2 10:15 uevent Finally, I did ll /sys/devices/pci0000\:00/0000\:00\:1f.2/ata5/host4/scsi_host/host4/ total 0 drwxr-xr-x. 3 root root 0 May 2 10:15 ./ drwxr-xr-x. 3 root root 0 May 2 10:15 ../ -rw-r--r--. 1 root root 4096 May 2 10:15 active_mode -r--r--r--. 1 root root 4096 May 2 10:15 ahci_host_cap2 -r--r--r--. 1 root root 4096 May 2 10:15 ahci_host_caps -r--r--r--. 1 root root 4096 May 2 10:15 ahci_host_version -r--r--r--. 1 root root 4096 May 2 10:15 ahci_port_cmd -r--r--r--. 1 root root 4096 May 2 10:15 can_queue -r--r--r--. 1 root root 4096 May 2 10:15 cmd_per_lun lrwxrwxrwx. 1 root root 0 May 2 10:15 device -> ../../../host4/ -rw-r--r--. 1 root root 4096 May 2 10:15 eh_deadline -rw-r--r--. 1 root root 4096 May 2 10:15 em_buffer -rw-r--r--. 1 root root 4096 May 2 10:15 em_message -r--r--r--. 1 root root 4096 May 2 10:15 em_message_supported -r--r--r--. 1 root root 4096 May 2 10:15 em_message_type -r--r--r--. 1 root root 4096 May 2 10:15 host_busy --w-------. 1 root root 4096 May 2 10:15 host_reset -rw-r--r--. 1 root root 4096 May 1 18:00 link_power_management_policy drwxr-xr-x. 2 root root 0 May 2 10:15 power/ -r--r--r--. 1 root root 4096 May 2 10:15 proc_name -r--r--r--. 1 root root 4096 May 2 10:15 prot_capabilities -r--r--r--. 1 root root 4096 May 2 10:15 prot_guard_type --w-------. 1 root root 4096 May 2 10:15 scan -r--r--r--. 1 root root 4096 May 2 10:15 sg_prot_tablesize -r--r--r--. 1 root root 4096 May 2 10:15 sg_tablesize -rw-r--r--. 1 root root 4096 May 2 10:15 state lrwxrwxrwx. 1 root root 0 May 1 18:00 subsystem -> ../../../../../../../class/scsi_host/ -rw-r--r--. 1 root root 4096 May 2 10:15 supported_mode -rw-r--r--. 1 root root 4096 May 2 10:15 uevent -r--r--r--. 1 root root 4096 May 2 10:15 unchecked_isa_dma -r--r--r--. 1 root root 4096 May 2 10:15 unique_id -r--r--r--. 1 root root 4096 May 2 10:15 use_blk_mq And nothing else. Note that the it's running 3.10.0-862.el7.x86_64. Seems to have given up, for at least now, but could start flooding the logs again.... mark

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More oddities...
by m.roth＠5-cent.us 01 May '18

01 May '18

My manager's workstation is C 7.4, and it started screaming yesterday about issues with ata5. Except that he has one internal and one external drive, and a DVD. Anyone have clues as to what could be causing this, or where to start looking? He's rebooted it, and before that, I tried rescan-scsi-bus.sh, with no joy. mark

2 1

OT: hardware, odd PSU issue
by m.roth＠5-cent.us 01 May '18

01 May '18

We have an HP blade enclosure for SL230s Gen 8. Went to replace the four PSUs in it, 1500W. Got them from one vendor, "refurbished"... and *none* worked. Returned them, and got them from another vendor, and *none* worked. Something odd here. For one, the LED doesn't light up when I'm holding the PSU and plug it in. Then there's something I just noticed late yesterday: in the socket of the PSU, on the shorter side of the trapezoid, there are four copper strips, running from the inside out. Anyone run into this before? Do these not power up, because they need some sort of odd power cord with something for those copper strips? mark, befuddled

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