Re: [SCIENTIFIC-LINUX-USERS] RAID 6 array and failing harddrives

2017-04-11 Thread Jose Marques
> On 10 Apr 2017, at 18:23, David Sommerseth > wrote: > > But I'll give you that Oracle is probably a very different beast on the > legal side and doesn't have a too good "open source karma". ZFS on Linux is based on OpenZFS (). Oracle has no input into its

Re: nmcli question

2017-04-11 Thread Karel Lang AFD
Haha, +1 here :-). NM is disabled on all my servers, as is the so called 'cool' firewalld. It's not just RH though, eg. lately, i had to install OpenSuse and it's susefirewall2 feature with NM was 'killing' my brain for 3 days... then i rewrote systemd scripts and redirected them at my custom i

Re: [SCIENTIFIC-LINUX-USERS] RAID 6 array and failing harddrives

2017-04-11 Thread David Sommerseth
On 11/04/17 10:30, Jose Marques wrote: >> On 10 Apr 2017, at 18:23, David Sommerseth >> wrote: >> >> But I'll give you that Oracle is probably a very different beast on the >> legal side and doesn't have a too good "open source karma". > > ZFS on Linux is based on OpenZFS (

Re: nmcli question

2017-04-11 Thread David Sommerseth
On 10/04/17 23:49, O'Neal, Miles wrote: > There are days I sort of wonder whether the Linux development crews > haven't been infiltrated by people trying to drive us into the OSX or > Windows camps. That is very unfair. To my knowledge, there exists no "Linux product management department" which

Re: nmcli question

2017-04-11 Thread David Sommerseth
On 11/04/17 11:06, Karel Lang AFD wrote: > > > All done in the name of 'simplifying' things .. just like M$ windows :p Have it struck you that perhaps lots of Windows admins and users have provided feedback on how difficult they find Linux ... and thus developers have taken some steps to improve

Re: nmcli question

2017-04-11 Thread Michael Tiernan
On 4/10/17 5:49 PM, O'Neal, Miles wrote: There are days I sort of wonder whether the Linux development crews haven't been infiltrated by people trying to drive us into the OSX or Windows camps. I've wondered this oh-so-too-many-times and am convinced that there's some ulterior motive behind the

Re: nmcli question

2017-04-11 Thread Michael Tiernan
On 4/11/17 5:06 AM, Karel Lang AFD wrote: All done in the name of 'simplifying' things .. just like M$ windows :p Makes me long for the good old days of Solaris & IRIX. :( -- << MCT >> Michael C Tiernan xmpp:mtier...@mit.edu +1 (617) 324-9173 MIT - Laboratory for Nuclear Science - http://

Re: Examples of customized grub2 configuration files?

2017-04-11 Thread Tom H
On Sun, Apr 9, 2017 at 9:26 PM, Keith Lofstrom wrote: > On Mon, Apr 3, 2017 at 5:26 PM, Keith Lofstrom wrote: >> >> I'm looking for examples (with explanatory comments) of customized >> configuration files to use in the /etc/grub.d directory, somewhere >> out there on the intertubes. > > On Thu,

Re: nmcli question

2017-04-11 Thread ~Stack~
On 04/11/2017 04:50 AM, David Sommerseth wrote: > On 10/04/17 23:49, O'Neal, Miles wrote: >> There are days I sort of wonder whether the Linux development crews >> haven't been infiltrated by people trying to drive us into the OSX or >> Windows camps. > > That is very unfair. To my knowledge, the

Re: RAID 6 array and failing harddrives

2017-04-11 Thread Tom H
On Mon, Apr 10, 2017 at 1:23 PM, David Sommerseth wrote: > On 10/04/17 09:15, Tom H wrote: >> >> zfs'll never be in-tree for licensing reasons. > > Well, "never" might be a too strong word. Stranger things have > happened, like Microsoft embracing Linux and open source; even > starting to open up

Re: nmcli question

2017-04-11 Thread Karel Lang AFD
Hi David and all, yes, it 'struck' me. And frankly, i'm afraid, if some windows admin says how the Linux should work, are you not? :-)) I am not rude or anything, just saying my opinion. Yes, i'm conservative, i know it and i'm not ashamed for it.. i simply am no Linux Liberal :-D. I welcom

Trouble installing SL6 on Dell 7910

2017-04-11 Thread Dan McDaniel
We just got a Dell Precision R7910. The net install CD hangs at "detecting hardware." I can boot the LiveCD, but not the install CD. I've tried both 6.7 and 6.8. Has anyone run into this? Any work-arounds? -- Dan McDaniel

Re: Brainfart: Academic paper rewrite tool

2017-04-11 Thread Brett Viren
A few comments and suggestions: Look into "Reproducible Research" methods and find ways to help more crusty scientists adopt them. Emacs Org-mode documents and IPython Notebooks are two popular ways to write a paper that you can rebuild when data or analysis is updated. Your "linear slider" conc

Re: Trouble installing SL6 on Dell 7910

2017-04-11 Thread Eero Volotinen
try booting with acpi=off and update bios to latest first. also try with ubuntu live to test, if hardware works with linux :) -- Eero 2017-04-11 16:30 GMT+03:00 Dan McDaniel : > We just got a Dell Precision R7910. The net install CD hangs at > "detecting hardware." I can boot the LiveCD, but no

Re: [SCIENTIFIC-LINUX-USERS] Trouble installing SL6 on Dell 7910

2017-04-11 Thread Pat Riehecky
The 6.9 release candidate should be published soon. That may be worth testing on this hardware. Pat On 04/11/2017 08:33 AM, Eero Volotinen wrote: try booting with acpi=off and update bios to latest first. also try with ubuntu live to test, if hardware works with linux :) -- Eero 2017-04-11

Re: [SCIENTIFIC-LINUX-USERS] RAID 6 array and failing harddrives

2017-04-11 Thread Tom H
On Tue, Apr 11, 2017 at 4:30 AM, Jose Marques wrote: >> On 10 Apr 2017, at 18:23, David Sommerseth >> wrote: >> >> But I'll give you that Oracle is probably a very different beast on >> the legal side and doesn't have a too good "open source karma". > > ZFS on Linux is based on OpenZFS > (

Re: [SCIENTIFIC-LINUX-USERS] RAID 6 array and failing harddrives

2017-04-11 Thread Kraus, Dave (GE Healthcare)
On 4/11/17, 10:08 AM, "owner-scientific-linux-us...@listserv.fnal.gov on behalf of Tom H" wrote: On Tue, Apr 11, 2017 at 4:30 AM, Jose Marques wrote: >> On 10 Apr 2017, at 18:23, David Sommerseth wrote: >> >> But I'll give you that Oracle is probably a very different beast on

Re: [SCIENTIFIC-LINUX-USERS] RAID 6 array and failing harddrives

2017-04-11 Thread Konstantin Olchanski
On Tue, Apr 11, 2017 at 11:13:25AM +0200, David Sommerseth wrote: > > But that aside, according to [1], ZFS on Linux was considered stable in > 2013. That is still fairly fresh, and my concerns regarding the time it > takes to truly stabilize file systems for production [2] still stands. > Why

Re: [SCIENTIFIC-LINUX-USERS] RAID 6 array and failing harddrives

2017-04-11 Thread David Sommerseth
On 11/04/17 18:44, Konstantin Olchanski wrote: > On Tue, Apr 11, 2017 at 11:13:25AM +0200, David Sommerseth wrote: >> >> But that aside, according to [1], ZFS on Linux was considered stable in >> 2013. That is still fairly fresh, and my concerns regarding the time it >> takes to truly stabilize fi

Re: [SCIENTIFIC-LINUX-USERS] RAID 6 array and failing harddrives

2017-04-11 Thread Konstantin Olchanski
On Tue, Apr 11, 2017 at 07:47:46PM +0200, David Sommerseth wrote: > > ... newer file systems have more bugs than older file systems. ... > I do not think that is necessarily true. Newer filesystems have consistly added functionality to detect and prevent data corruption, to preserve and ensure d

Re: [SCIENTIFIC-LINUX-USERS] RAID 6 array and failing harddrives

2017-04-11 Thread jdow
On 2017-04-11 09:44, Konstantin Olchanski wrote: On Tue, Apr 11, 2017 at 11:13:25AM +0200, David Sommerseth wrote: But that aside, according to [1], ZFS on Linux was considered stable in 2013. That is still fairly fresh, and my concerns regarding the time it takes to truly stabilize file syste

Re: [SCIENTIFIC-LINUX-USERS] RAID 6 array and failing harddrives

2017-04-11 Thread Michael Tiernan
On 4/11/17 3:41 PM, jdow wrote: So I suppose the extended downtime while several terabytes of data are restored after it's loss due to filesystem malfunction is of no consequence to you. While not trying to dowse the fire with gasoline, I'd like to remind folks that data loss isn't the only pro

Re: [SCIENTIFIC-LINUX-USERS] RAID 6 array and failing harddrives

2017-04-11 Thread David Sommerseth
On 11/04/17 20:48, Konstantin Olchanski wrote: > > So the choice is between you saying "I trust XFS, I never fsck it", > and me saying "I do not trust ZFS, I do not trust the hardware, I run > ZFS scrub daily, I have backups, I have archives". So lets flip this around ... Why isn't btrfs enabled

Re: [SCIENTIFIC-LINUX-USERS] RAID 6 array and failing harddrives

2017-04-11 Thread Konstantin Olchanski
On Tue, Apr 11, 2017 at 10:47:09PM +0200, David Sommerseth wrote: > > So lets flip this around ... Why isn't btrfs enabled by default in RHEL... > I already wrote about BTRFS in this thread. I did some extensive tests of BTRFS and the performance is quite acceptable (close to hardware capability,

Re: [SCIENTIFIC-LINUX-USERS] RAID 6 array and failing harddrives

2017-04-11 Thread jdow
On 2017-04-11 12:57, Michael Tiernan wrote: On 4/11/17 3:41 PM, jdow wrote: So I suppose the extended downtime while several terabytes of data are restored after it's loss due to filesystem malfunction is of no consequence to you. While not trying to dowse the fire with gasoline, I'd like to re