Hi list,
speaking about software raid, not hardware controller based.
I am trying to go for some local OpenSuse machine and adding some
storage to it. Was considering Raid6, and now reading about a bit and
people left and right scaremongering about the larger the disks these
days in the double digit terabyte capacities even, the more likely it
is that during a reconstruction of a raid subsequent errors would
occur.
I would absolutely like to keep my data consistent, and I am not
thinking about double digit terabytes either, would stick to 2TB or
4TB disks, with Raid6 thats at least 4 physical drives.
Now I am wondering if it possible to use a good robust file system
that can add some more parity or check blocks or redundancy on top of
the hardware disks, to absolutely be able to always read my data.
I can't add multiple machines or like those high availability stuff
like clusters and what not I read about DRBD (Distributed Replicated
Block Device), or maybe I am just too scared by those technical terms
or consider myself to be just a simpleton and wanting to keep it
rather simple.
My use case here is also not constant availablity, when a disk needs
to be replaced, so be it, but I don't want to lose my data that I can
not ever read certain parts of it again or such stuff.
The thing that came to my mind was, if there is some file systems that
would add redundancy and robustness onto the mdraid system of the
linux kernel?
Anyone with some useful insights? Roughly speaking, I was considering
some simple pcie esata interfaced controller card and an external case
enclosure with esata port and portmulitplier stuff inside, that can
present at least 4 physical disks as JBOD, just a bunch of disks, so
that the Linux can seem them all separately.
Speed and rebuild times are not my concern, but data persistence and
data integrity. Not even number of physical disks, I could live with
even one of those 8 bay device enclosures and cases that are out there
on the market.
Thanks for any help and hints.
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Hi,
I have one disk that is giving me problems with the smartd daemon. I get
this in the log:
<3.6> 2018-10-21T13:45:23.829155+02:00 Isengard smartd 1173 - - Device: /dev/disk/by-id/usb-WD_My_Book_25EE_32544B5354325344-0:0 [SAT], state written to /var/lib/smartmontools/smartd.WDC_WD80EZAZ_11TDBA0-2TKST2SD.ata.state
<3.6> 2018-10-21T13:45:24.483719+02:00 Isengard smartd 11255 - - Device: /dev/disk/by-id/usb-WD_My_Book_25EE_32544B5354325344-0:0 [SAT], opened
<3.6> 2018-10-21T13:45:24.484570+02:00 Isengard smartd 11255 - - Device: /dev/disk/by-id/usb-WD_My_Book_25EE_32544B5354325344-0:0 [SAT], WDC WD80EZAZ-11TDBA0, S/N:2TKST2SD, WWN:5-000cca-26af51579, FW:83.H0A83, 8.00 TB
<3.6> 2018-10-21T13:45:24.503334+02:00 Isengard smartd 11255 - - Device: /dev/disk/by-id/usb-WD_My_Book_25EE_32544B5354325344-0:0 [SAT], not found in smartd database.
<3.6> 2018-10-21T13:45:24.525071+02:00 Isengard smartd 11255 - - Device: /dev/disk/by-id/usb-WD_My_Book_25EE_32544B5354325344-0:0 [SAT], enabled SMART Attribute Autosave.
<3.6> 2018-10-21T13:45:24.530486+02:00 Isengard smartd 11255 - - Device: /dev/disk/by-id/usb-WD_My_Book_25EE_32544B5354325344-0:0 [SAT], enabled SMART Automatic Offline Testing.
<3.6> 2018-10-21T13:45:24.535003+02:00 Isengard smartd 11255 - - Device: /dev/disk/by-id/usb-WD_My_Book_25EE_32544B5354325344-0:0 [SAT], is SMART capable. Adding to "monitor" list.
<3.6> 2018-10-21T13:45:24.535627+02:00 Isengard smartd 11255 - - Device: /dev/disk/by-id/usb-WD_My_Book_25EE_32544B5354325344-0:0 [SAT], state read from /var/lib/smartmontools/smartd.WDC_WD80EZAZ_11TDBA0-2TKST2SD.ata.state
<3.6> 2018-10-21T13:45:24.880219+02:00 Isengard smartd 11255 - - Device: /dev/disk/by-id/usb-WD_My_Book_25EE_32544B5354325344-0:0 [SAT], state written to /var/lib/smartmontools/smartd.WDC_WD80EZAZ_11TDBA0-2TKST2SD.ata.state
<3.6> 2018-10-21T14:15:25.233525+02:00 Isengard smartd 11255 - - Device: /dev/disk/by-id/usb-WD_My_Book_25EE_32544B5354325344-0:0 [SAT], SMART Usage Attribute: 194 Temperature_Celsius changed from 147 to 144
<3.6> 2018-10-21T15:45:31.681938+02:00 Isengard smartd 11255 - - Device: /dev/disk/by-id/usb-WD_My_Book_25EE_32544B5354325344-0:0 [SAT], not capable of SMART self-check
<3.2> 2018-10-21T15:45:33.632399+02:00 Isengard smartd 11255 - - Device: /dev/disk/by-id/usb-WD_My_Book_25EE_32544B5354325344-0:0 [SAT], failed to read SMART Attribute Data
<3.6> 2018-10-21T16:15:24.678100+02:00 Isengard smartd 11255 - - Device: /dev/disk/by-id/usb-WD_My_Book_25EE_32544B5354325344-0:0 [SAT], read SMART Attribute Data worked again, warning condition reset after 1 email
<3.6> 2018-10-21T18:15:31.767150+02:00 Isengard smartd 11255 - - Device: /dev/disk/by-id/usb-WD_My_Book_25EE_32544B5354325344-0:0 [SAT], not capable of SMART self-check
<3.2> 2018-10-21T18:15:33.717688+02:00 Isengard smartd 11255 - - Device: /dev/disk/by-id/usb-WD_My_Book_25EE_32544B5354325344-0:0 [SAT], failed to read SMART Attribute Data
<3.6> 2018-10-21T18:45:24.587304+02:00 Isengard smartd 11255 - - Device: /dev/disk/by-id/usb-WD_My_Book_25EE_32544B5354325344-0:0 [SAT], read SMART Attribute Data worked again, warning condition reset after 1 email
It intermitently but periodically fail to read atributes, triggering
hundreds of emails sent to me to warn of the problem:
+++------------
Subject: SMART error (FailedReadSmartData) detected on host: Isengard
This message was generated by the smartd daemon running on:
host name: Isengard
DNS domain: valinor
The following warning/error was logged by the smartd daemon:
Device: /dev/disk/by-id/usb-WD_My_Book_25EE_32544B5354325344-0:0 [SAT],
failed to read SMART Attribute Data
Device info:
WDC WD80EZAZ-11TDBA0, S/N:2TKST2SD, WWN:5-000cca-26af51579, FW:83.H0A83, 8.00 TB
For details see host's SYSLOG.
You can also use the smartctl utility for further investigation.
Another message will be sent in 24 hours if the problem persists.
- ------------++-
The disk is indeed smart capable and it works fine, as long as I call
smartctl with "-d sat,16", which I do:
Isengard:~ # smartctl --test=short -d sat,16 /dev/disk/by-id/usb-WD_My_Book_25EE_32544B5354325344-0\:0
smartctl 6.6 2017-11-05 r4594 [x86_64-linux-4.4.155-68-default] (SUSE RPM)
Copyright (C) 2002-17, Bruce Allen, Christian Franke, www.smartmontools.org
=== START OF OFFLINE IMMEDIATE AND SELF-TEST SECTION ===
Sending command: "Execute SMART Short self-test routine immediately in off-line mode".
Drive command "Execute SMART Short self-test routine immediately in off-line mode" successful.
Testing has begun.
Please wait 2 minutes for test to complete.
Test will complete after Sun Oct 21 13:50:18 2018
Use smartctl -X to abort test.
Isengard:~ #
Isengard:~ # smartctl --health -d sat,16 /dev/disk/by-id/usb-WD_My_Book_25EE_32544B5354325344-0\:0
smartctl 6.6 2017-11-05 r4594 [x86_64-linux-4.4.155-68-default] (SUSE RPM)
Copyright (C) 2002-17, Bruce Allen, Christian Franke, www.smartmontools.org
=== START OF READ SMART DATA SECTION ===
SMART overall-health self-assessment test result: PASSED
Isengard:~ #
It is crucial to use "-d sat,16" or it fails:
Isengard:~ # smartctl --health
/dev/disk/by-id/usb-WD_My_Book_25EE_32544B5354325344-0\:0
smartctl 6.6 2017-11-05 r4594 [x86_64-linux-4.4.155-68-default] (SUSE RPM)
Copyright (C) 2002-17, Bruce Allen, Christian Franke, www.smartmontools.org
/dev/disk/by-id/usb-WD_My_Book_25EE_32544B5354325344-0:0: Unknown USB bridge [0x1058:0x25ee (0x4004)]
Please specify device type with the -d option.
Use smartctl -h to get a usage summary
Isengard:~ #
Of course I use that option on the config:
Isengard:~ # cat /etc/smartd.conf | egrep -v "^[[:space:]]*$|^#"
/dev/sda -a -o on -S on -s (S/../.././02|L/../../6/03) -m root(a)telcontar.valinor
/dev/disk/by-id/wwn-0x5000000000000001 -a -o on -S on -s (S/../.././02|L/../../6/03) -m root(a)telcontar.valinor
/dev/disk/by-id/wwn-0x5000c5009399305f -a -o on -S on -s (S/../.././02|L/../../6/03) -m root(a)telcontar.valinor
/dev/disk/by-id/usb-WD_My_Book_25EE_32544B5354325344-0:0 -d sat,16 -a -o on -S on -s (S/../.././02|L/../../6/03) -m root(a)telcontar.valinor
Isengard:~ #
What else am I missing? Is smartd not using "-d sat,16" somewhere else? Is
it some other problem?
Isengard:~ # rpm -q smartmontools
smartmontools-6.6-135.1.x86_64
Isengard:~ #
- --
Cheers
Carlos E. R.
(from 42.3 x86_64 "Malachite" at Telcontar)
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Hello,
I've been trying to create a VPN connection using NetworkManager to an
IPSec/IKEv2 PSK endpoint, but I'm not having any success, not even
with my search on how to do it, at least with NetworkManager.
The VPN endpoint itself is working, as I'm able to connect there, and
access remote resources with my android phone (by setting the VPN
connection on the Android device).
It seems I'm lacking the correct nm plugin for it. Here is what I
think the relevant list of software is, that I'm using:
- OpenSUSE Leap 15,1
- strongswan-nm-5.8.2-lp151.4.9.1.x86_64
- strongswan-ipsec-5.8.2-lp151.4.9.1.x86_64
- NetworkManager-strongswan-1.4.3-lp151.2.3.x86_64
Is anyone able to help me here, or point me in the right direction? If
you require any other information, please let me know.
Regards,
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Veni, Vidi, Linux
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I've tried with 'netstat' but but a version more like 'top' where i can see
realtme, sort, chose fields ...
Is there anything like that for Linux?
--
A: Yes.
> Q: Are you sure?
>> A: Because it reverses the logical flow of conversation.
>>> Q: Why is top posting frowned upon?
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Dear listmembers,
I tried to access my Bugzilla account to review my bugs. However, according to
the announcement, my access did not work any more.
When I tried to change my password it did not work, I received a statement
saying
"At this time your password can only be reset by an administrator. To send
them a request, go to your Sign-in Help page. Then click the Request help
link."
but help is no help, it works perfectly as /dev/null. Who the heck is the
administrator, does someone here know an email address I could write to so I
can get help and re-access my bugzilla account?
Thank you very much for any suggestion,
best
Dieter Jurzitza
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Hello List,
We're putting in place LUKS-based filesystem encryption on our systems
(GDPR and all that...).
On workstations or laptops, where the boot process is graphical thanks
to Plymouth, the decryption key is only requested once even when
multiple filesystems are encrypted (provided they all use the same
password, of course).
On physical servers on the other hand, that we configure to boot in text
mode (as we need to interact with them remotely over a virtual serial
console), we get prompted for the decryption password once for every
encrypted device -- which is far from optimal from a usability perspective.
Is there any way to get in text mode a behaviour comparable to the one
provided in graphical mode (single password prompt, no matter how many
devices are encrypted)?
TIA
Cheers. Bye.
Ph. A.
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Is there some simple way to test a mic connected to the computer via usb port?
When trying to set up skype, there was a test protocol, which I failed--it said the mic was not working.
I haven't been able to get back to that particular routine again. There must be some way to plug in a mic and have some
indication somewhere that it works. San someone please enlighten me? Thanx!
--doug
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Hello,
I am doing something wrong with my apache settings to make work
.htaccess in a directory... I hope you can help me :-)
I need to have all calls to .html-pages in some subdirectories
redirected to my index.php putting the path in a parameter called "wo".
My htaccess looks like this:
------------
RewriteEngine on
rewriteRule ^(en/)(.*)(\.html?)$ index\.php?%{QUERY_STRING}&wo=$1$2 [L]
RewriteRule ^(de/)(.*)(\.html?)$ index\.php?%{QUERY_STRING}&wo=$1$2 [L]
RewriteRule ^(es/)(.*)(\.html?)$ index\.php?%{QUERY_STRING}&wo=$1$2 [L]
RewriteRule ^(cc/)(.*)(\.html?)$ index\.php?%{QUERY_STRING}&wo=$1$2 [L]
RewriteRule ^(index*)(.*)(\.*?)$ index\.php
-------------
(This works on my online server in a hosting company)
To make .htaccess work I added a file "vhost_db2020.conf" to
/etc/apache2/vhosts.d/ with the following content:
-------------
<VirtualHost *:80>
<Directory /srv/www/htdocs/Entwicklung/danielbauer2020>
Options Indexes FollowSymLinks MultiViews
AllowOverride All
</Directory>
</VirtualHost>
-------------
Now when I put the .htaccess file in
/srv/www/htdocs/Entwicklung/danielbauer2020/ I get an Error 500
(the page works without .htaccess, but, of course, without the desired
redirects)
In the apache-log I only find the following:
-------------
::1 - - [25/May/2020:11:51:09 +0200] "GET
/Entwicklung/danielbauer2020/index.html HTTP/1.1" 500 1004 "-"
"Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Firefox/68.0"
::1 - - [25/May/2020:11:51:33 +0200] "GET /Entwicklung/danielbauer2020/
HTTP/1.1" 500 1004 "-" "Mozilla/5.0 (X11; Linux x86_64; rv:68.0)
Gecko/20100101 Firefox/68.0"
-------------
I believe the rewrite module is loaded:
-------------
sudo a2enmod -l
actions alias auth_basic authn_core authn_file authz_host
authz_groupfile authz_core authz_user autoindex cgi dir env expires
include log_config mime negotiation setenvif ssl socache_shmcb userdir
reqtimeout version php7 rewrite
-------------
I remember years ago that I had to put "something" in the etc/apache2
directory to make it work, but I don't remember what :-(
Can you see where is my error?
Thanks
Daniel
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* Doug McGarrett <dmcgarrett(a)optonline.net> [05-24-20 20:04]:
>
>
> On 5/24/20 7:28 PM, Patrick Shanahan wrote:
> > * Doug McGarrett <dmcgarrett(a)optonline.net> [05-24-20 19:24]:
> > >
> > >
> > > On 5/24/20 4:03 PM, Bengt Gördén wrote:
> > > > On 2020-05-08 07:08, Doug McGarrett wrote:
> > > > > Is there some simple way to test a mic connected to the computer via usb port?
> > > > > When trying to set up skype, there was a test protocol, which I failed--it said the mic was not working.
> > > > > I haven't been able to get back to that particular routine again.
> >
> > much removed ... [...]
> >
> > you will continue to have *many* problems until you correct your system,
> > that includes logging in and running as <user> rather than root.
> >
> > and helping you solve your problems before then is a lost cause.
> >
> > Strongly suggest reinstall following accepted standards.
> >
> >
> As I mention in another post, the root login has been solved--by someone, not me.
> Login to Konsole produces a user display. Su requires a password, and produces
> a root display. I installed the system from a downloaded CD, just like everybody else.
> I have no idea why it came up the way it did, but I am not going to reinstall this
> system. PERIOD!
The YOU will live with your PROBLEMS, PERIOD. As no one can solve your
problems since you follow no standards and do not follow instructions.
And why respond personal mail to mailinglist post. no-no-no
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Photos: http://wahoo.no-ip.org/piwigo paka @ IRCnet freenode
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