Re: [CentOS] Slow RAID Check/high %iowait during check after updgrade from CentOS 6.5 -> CentOS 7.2

2016-05-25 Thread John R Pierce
On 5/25/2016 12:20 PM, m.r...@5-cent.us wrote: Also, you could either, on boot, go into the card's firmware interface, and that'll tell you, somewhere, what the firmware version is. Not sure if MegaRAID will work with this card - if it does, you really want it..even though it has an actively user

Re: [CentOS] dnf replacing yum?

2016-05-25 Thread James Hogarth
On 26 May 2016 00:57, "SternData" wrote: > > On 05/25/2016 06:43 PM, Always Learning wrote: > > > > On Wed, 2016-05-25 at 22:32 +0100, Timothy Murphy wrote: > > > >> Also, yum had associations which it was sad to lose. > > > > Perhaps the Fedora ("We love consulting all affected users") replacemen

Re: [CentOS] Question on 7.2 and weird characters [solved]

2016-05-25 Thread Jerry Geis
On Mon, May 23, 2016 at 3:09 PM, Jerry Geis wrote: > When I run this command: > rm /tmp/jerry.txt > rm: remove regular file â/tmp/jerry.txtâ? > > I get the a with the carrot on top... > > How do I get back to the normal characters ? > > echo $TERM > linux > > Thanks, > > Jerry > thanks for the p

Re: [CentOS] dnf replacing yum?

2016-05-25 Thread SternData
On 05/25/2016 06:43 PM, Always Learning wrote: > > On Wed, 2016-05-25 at 22:32 +0100, Timothy Murphy wrote: > >> Also, yum had associations which it was sad to lose. > > Perhaps the Fedora ("We love consulting all affected users") replacement > could be named MUD. > > Now we await the System-D

Re: [CentOS] dnf replacing yum?

2016-05-25 Thread Always Learning
On Wed, 2016-05-25 at 22:32 +0100, Timothy Murphy wrote: > Also, yum had associations which it was sad to lose. Perhaps the Fedora ("We love consulting all affected users") replacement could be named MUD. Now we await the System-D controlling interface ;-) -- Regards, Paul. England, EU.

Re: [CentOS] dnf replacing yum?

2016-05-25 Thread William A. Mahaffey III
On 05/25/16 16:38, Timothy Murphy wrote: Kenneth Porter wrote: I saw mention of dnf in a blog article about installing a package on CentOS. Further investigation revealed that Fedora is replacing yum with dnf, apparently a new and better yum. But it wasn't clear if dnf was a For the normal use

Re: [CentOS] Slow RAID Check/high %iowait during check after updgrade from CentOS 6.5 -> CentOS 7.2

2016-05-25 Thread cpolish
On 2016-05-25 19:13, Kelly Lesperance wrote: > Hdparm didn’t get far: > > [root@r1k1 ~] # hdparm -tT /dev/sda > > /dev/sda: > Timing cached reads: Alarm clock > [root@r1k1 ~] # Hi Kelly, Try running 'iostat -xdmc 1'. Look for a single drive that has substantially greater await than ~10msec.

Re: [CentOS] dnf replacing yum?

2016-05-25 Thread Timothy Murphy
Kenneth Porter wrote: > I saw mention of dnf in a blog article about installing a package on > CentOS. Further investigation revealed that Fedora is replacing yum with > dnf, apparently a new and better yum. But it wasn't clear if dnf was a For the normal user (like me) dnf is neither better nor

Re: [CentOS] Slow RAID Check/high %iowait during check after updgrade from CentOS 6.5 -> CentOS 7.2

2016-05-25 Thread m . roth
Kelly Lesperance wrote: > Already done – they’re not being very helpful, as we don’t have a support > contract, just standard warranty. > Right. We get support for five years, but then we keep things well past that, we don't get rid of them till they're dying. (Don't talk to me about "wasting tax d

Re: [CentOS] Slow RAID Check/high %iowait during check after updgrade from CentOS 6.5 -> CentOS 7.2

2016-05-25 Thread Kelly Lesperance
I should rephrase that – some parts of HP are helping us, but the team I opened the case with isn’t being very helpful. On 2016-05-25, 4:29 PM, "Kelly Lesperance" wrote: >Already done – they’re not being very helpful, as we don’t have a support >contract, just standard warranty. > >On 2016-05-

Re: [CentOS] Slow RAID Check/high %iowait during check after updgrade from CentOS 6.5 -> CentOS 7.2

2016-05-25 Thread Kelly Lesperance
Already done – they’re not being very helpful, as we don’t have a support contract, just standard warranty. On 2016-05-25, 4:27 PM, "centos-boun...@centos.org on behalf of m.r...@5-cent.us" wrote: >Kelly Lesperance wrote: >> LSI/Avago’s web pages don’t have any downloads for the SAS2308, so I

Re: [CentOS] Slow RAID Check/high %iowait during check after updgrade from CentOS 6.5 -> CentOS 7.2

2016-05-25 Thread m . roth
Kelly Lesperance wrote: > LSI/Avago’s web pages don’t have any downloads for the SAS2308, so I think > I’m out of luck wrt MegaRAID. > > Bounced the node, confirmed MPT Firmware 15.10.09.00-IT. > HP Driver is v 15.10.04.00. > > Both are the latest from HP. > > Unsure why, but the module itself repo

Re: [CentOS] Slow RAID Check/high %iowait during check after updgrade from CentOS 6.5 -> CentOS 7.2

2016-05-25 Thread Kelly Lesperance
LSI/Avago’s web pages don’t have any downloads for the SAS2308, so I think I’m out of luck wrt MegaRAID. Bounced the node, confirmed MPT Firmware 15.10.09.00-IT. HP Driver is v 15.10.04.00. Both are the latest from HP. Unsure why, but the module itself reports version 20.100.00.00: [root@r1k1

Re: [CentOS] dnf replacing yum?

2016-05-25 Thread Gordon Messmer
On 05/25/2016 12:38 PM, Kenneth Porter wrote: But it wasn't clear if dnf was a drop-in replacement or if some migration setup was required. For users, it's a drop-in replacement. If you write extensions, some migration is required, because the API has been cleaned up. Is it supposed to work

[CentOS] dnf replacing yum?

2016-05-25 Thread Kenneth Porter
I saw mention of dnf in a blog article about installing a package on CentOS. Further investigation revealed that Fedora is replacing yum with dnf, apparently a new and better yum. But it wasn't clear if dnf was a drop-in replacement or if some migration setup was required. Is it supposed to wor

Re: [CentOS] Slow RAID Check/high %iowait during check after updgrade from CentOS 6.5 -> CentOS 7.2

2016-05-25 Thread Kelly Lesperance
I installed the latest firmware and driver (mpt2sas) from HP on one system. The driver is v20, it appears the firmware may be 15, though: [ 11.128979] mpt2sas version 20.100.00.00 loaded [ 11.513836] mpt2sas0: LSISAS2308: FWVersion(15.10.09.00), ChipRevision(0x05), BiosVersion(07.39.00.00)

Re: [CentOS] Slow RAID Check/high %iowait during check after updgrade from CentOS 6.5 -> CentOS 7.2

2016-05-25 Thread m . roth
John R Pierce wrote: > On 5/25/2016 11:44 AM, Kelly Lesperance wrote: >> The HBA is an HP H220. > > OH.its a very good idea to verify the driver is at the same revision > level as the firmware.not 100% sure how you do this under CentOS, my > H220 system is running FreeBSD, and is at revisio

Re: [CentOS] Slow RAID Check/high %iowait during check after updgrade from CentOS 6.5 -> CentOS 7.2

2016-05-25 Thread Kelly Lesperance
Hdparm didn’t get far: [root@r1k1 ~] # hdparm -tT /dev/sda /dev/sda: Timing cached reads: Alarm clock [root@r1k1 ~] # On 2016-05-25, 2:44 PM, "Kelly Lesperance" wrote: >The HBA is an HP H220. > >We haven’t really benchmarked individual drives – all 12 drives are utilized >in one RAID-10 ar

Re: [CentOS] Slow RAID Check/high %iowait during check after updgrade from CentOS 6.5 -> CentOS 7.2

2016-05-25 Thread John R Pierce
On 5/25/2016 11:44 AM, Kelly Lesperance wrote: The HBA is an HP H220. OH.its a very good idea to verify the driver is at the same revision level as the firmware.not 100% sure how you do this under CentOS, my H220 system is running FreeBSD, and is at revision P20, both firmware and d

Re: [CentOS] Slow RAID Check/high %iowait during check after updgrade from CentOS 6.5 -> CentOS 7.2

2016-05-25 Thread John R Pierce
On 5/25/2016 11:44 AM, Kelly Lesperance wrote: The HBA is an HP H220. for the uninitated, thats a LSI SAS2308, in IT (initiator-terminator) mode. -- john r pierce, recycling bits in santa cruz ___ CentOS mailing list CentOS@centos.org https://list

Re: [CentOS] Slow RAID Check/high %iowait during check after updgrade from CentOS 6.5 -> CentOS 7.2

2016-05-25 Thread Kelly Lesperance
The HBA is an HP H220. We haven’t really benchmarked individual drives – all 12 drives are utilized in one RAID-10 array, I’m unsure how we would test individual drives without breaking the array. Trying ‘hdparm -tT /dev/sda’ now – it’s been running for 25 minutes so far… Kelly On 2016-05-

Re: [CentOS] Slow RAID Check/high %iowait during check after updgrade from CentOS 6.5 -> CentOS 7.2

2016-05-25 Thread Dennis Jacobfeuerborn
What is the HBA the drives are attached to? Have you done a quick benchmark on a single disk to check if this is a raid problem or further down the stack? Regards, Dennis On 25.05.2016 19:26, Kelly Lesperance wrote: > [merging] > > The HBA the drives are attached to has no configuration that I

Re: [CentOS] Slow RAID Check/high %iowait during check after updgrade from CentOS 6.5 -> CentOS 7.2

2016-05-25 Thread m . roth
Kelly Lesperance wrote: > I’ve posted this on the forums at > https://www.centos.org/forums/viewtopic.php?f=47&t=57926&p=244614#p244614 > - posting to the list in the hopes of getting more eyeballs on it. > > We have a cluster of 23 HP DL380p Gen8 hosts running Kafka. Basic specs: > > 2x E5-2650 >

Re: [CentOS] Slow RAID Check/high %iowait during check after updgrade from CentOS 6.5 -> CentOS 7.2

2016-05-25 Thread Kelly Lesperance
[merging] The HBA the drives are attached to has no configuration that I’m aware of. We would have had to accidentally change 23 of them ☺ Thanks, Kelly On 2016-05-25, 1:25 PM, "Kelly Lesperance" wrote: >They are: > >[root@r1k1 ~] # hdparm -I /dev/sda > >/dev/sda: > >ATA device, with non-re

Re: [CentOS] Slow RAID Check/high %iowait during check after updgrade from CentOS 6.5 -> CentOS 7.2

2016-05-25 Thread Kelly Lesperance
They are: [root@r1k1 ~] # hdparm -I /dev/sda /dev/sda: ATA device, with non-removable media Model Number: MB4000GCWDC Serial Number: S1Z06RW9 Firmware Revision: HPGD Transport: Serial, SATA Rev 3.0

Re: [CentOS] Slow RAID Check/high %iowait during check after updgrade from CentOS 6.5 -> CentOS 7.2

2016-05-25 Thread m . roth
Kelly Lesperance wrote: > I’ve posted this on the forums at > https://www.centos.org/forums/viewtopic.php?f=47&t=57926&p=244614#p244614 > - posting to the list in the hopes of getting more eyeballs on it. > > We have a cluster of 23 HP DL380p Gen8 hosts running Kafka. Basic specs: > > 2x E5-2650 >

[CentOS] Slow RAID Check/high %iowait during check after updgrade from CentOS 6.5 -> CentOS 7.2

2016-05-25 Thread Kelly Lesperance
I’ve posted this on the forums at https://www.centos.org/forums/viewtopic.php?f=47&t=57926&p=244614#p244614 - posting to the list in the hopes of getting more eyeballs on it. We have a cluster of 23 HP DL380p Gen8 hosts running Kafka. Basic specs: 2x E5-2650 128 GB RAM 12 x 4 TB 7200 RPM SATA d

Re: [CentOS] CentOS 7 + GUI as KVM guest: fix screen resolution

2016-05-25 Thread Nicolas Kovacs
Le 25/05/2016 à 14:20, Nicolas Kovacs a écrit : > > - Is there a way to achieve this new resolution system-wide, and also > for WindowMaker? > > I tried to fiddle a bit with xorg.conf (X -configure, copy it over, edit > it), but to no avail. > I'll answer that myself, since I just found the so

[CentOS] 回复: Fail to load kernel module ipmi_si on CentOS-6

2016-05-25 Thread jx_mercury
Hi Frank, ​For your question, What should I do if I want to setup IPMI on my centos host? 1. Make sure your host hardware has BMC provided, typically a server does, but a PC or laptop won't, 2. If so, use command "modprobe ipmi_si" or ipmi_devintf to load the kernel device driver for BMC

Re: [CentOS] Recommendations for Infiniband with CentOS 6.7

2016-05-25 Thread Pat Haley
We have a new install of CentOS 6.7 with infiniband support installed. We can see the card in hardware and we can see the mlx4 drivers loaded in the kernel but cannot see the card as an ethernet interface, using ifconfig -a. Can you recommend an install procedure to see this as an ethernet i

Re: [CentOS] Fail to load kernel module ipmi_si on CentOS-6

2016-05-25 Thread Jonathan Billings
On Wed, May 25, 2016 at 07:34:05PM +0800, Frank Yu wrote: > > Hi all, > > I am trying to load kernel module ipmi_si, while failed with error "No such > device", truth is I can find file in > ../kernel/drivers/char/ipmi/ipmi_si.ko. So why I can't load it? > [...] > # modprobe ipmi_si > FATAL: Erro

[CentOS] CentOS 7 + GUI as KVM guest: fix screen resolution

2016-05-25 Thread Nicolas Kovacs
Hi, I'd like to run CentOS 7 in a KVM guest (host is my Slackware64 14.1 workstation). The main purpose of this installation will be to build custom RPM packages. I've made a few tests, and everything works more or less as expected. I'd like to resolve a small problem that's nagging me though. Wh

Re: [CentOS] CentOS 7, container question

2016-05-25 Thread Anthony K
On 25/05/16 21:31, Anthony K wrote: On 24/05/16 00:51, m.r...@5-cent.us wrote: Is it possible to do what we want, and if so, some pointers would be most appreciated. mark I believe *[0]* is what you are after. In summary: lxc-cgroups -n cpuset.cpus 0-3 I've experimented w

[CentOS] Fail to load kernel module ipmi_si on CentOS-6

2016-05-25 Thread Frank Yu
Hi all, I am trying to load kernel module ipmi_si, while failed with error "No such device", truth is I can find file in ../kernel/drivers/char/ipmi/ipmi_si.ko. So why I can't load it? Steps: # ls -l /lib/modules/2.6.32-573.el6.x86_64/kernel/drivers/char/ipmi/ipmi_si.ko -rwxr--r--. 1 root root

Re: [CentOS] Recommendations for Infiniband with CentOS 6.7

2016-05-25 Thread Fabian Arrotin
On 25/05/16 03:08, Pat Haley wrote: > > Hi All, > > We looking for suggestions on dealing with mellanox drivers in CentOS 6.7 > > We tried installing mellanox drivers > (MLNX_OFED_LINUX-3.2-2.0.0.0-rhel6.7-x86_64) on a Quanta Cirrascale > server running Centos 6.7 - 2.6.32-573.22.1.el6.x86_64.

Re: [CentOS] CentOS 7, container question

2016-05-25 Thread Anthony K
On 24/05/16 00:51, m.r...@5-cent.us wrote: Is it possible to do what we want, and if so, some pointers would be most appreciated. mark I believe *[0]* is what you are after. In summary: lxc-cgroups -n cpuset.cpus 0-3 I've experimented with it - *[1]*: Regards, ak. *[0]

Re: [CentOS] Recommendations for Infiniband with CentOS 6.7

2016-05-25 Thread Peter Kjellström
On Tue, 24 May 2016 21:08:27 -0400 Pat Haley wrote: > Hi All, > > We looking for suggestions on dealing with mellanox drivers in CentOS > 6.7 Unless you really need a specific feature in MOFED I'd recommend you stay with the, so called, in-box drivers already in CentOS-6.7. We run >2000 HPC no