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 List
am using Xfce : - in /var/log/warn : i see warning
" The gnome keyring socket is not owned with the same credentials as
the user login: /run/user/1000/keyring-4i77r7/control
2013-11-27T13:27:17.434100+02:00 su: gkr-pam: couldn't unlock the login
keyring "
...............
- any ideas how to fix ?
thanks
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On 27/06/17 12:22, Paul Groves wrote:
>
> On 27/06/17 08:34, Aaron Digulla wrote:
>> xmodmap -pke | less
>
> These keycodes do not seem to match the system. For example in the
> output of this command it says:
>
> keycode 158 = XF86WWW NoSymbol XF86WWW
>
> I ran setkeycodes e020 158
>
> When I press the e020 (Internet) button xev says I have pressed code
> 166 (Back button).
>
> How on earth has this happened? I specified 158 not 166. What have I
> done wrong?
>
>
Just been emailed this link:
https://unix.stackexchange.com/questions/49650/how-to-get-keycodes-for-xmod…
To quote this article:
Here you can see keycode 97 is unused on my system:
|keycode 94 = less greater less greater bar brokenbar keycode 95 = F11
XF86Switch_VT_11 F11 XF86Switch_VT_11 keycode 96 = F12 XF86Switch_VT_12
F12 XF86Switch_VT_12 keycode 97 = keycode 98 = Katakana NoSymbol
Katakana keycode 99 = Hiragana NoSymbol Hiragana |
The keycode X uses and the keycode the kernel uses are OFF BY 8 for
"historical reasons". So take 97 - 8 = 89 and use 89 with the
setkeycodes command (again as root):
So to make my vol - button work (xmodmap keycode 122 -8 = 114)
setkeycodes e01e 114
This has worked! I have re-mapped apl the buttons apart from my hotkeys.
>> No but there are lots of uncommon keycodes which you can use. For
>> example, F13-F35 or KP_F1...KP_F4.
>
> In the output of the command xmodmap -pke | less there are no codes
> for F13-F35 or KP_F1 etc
>
> I would like to set HK1 - HK4 to F13 - F16 How do I find the keycodes
> for these buttons
Still looking for the keycodes for F13-16
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Just a word to say what did a friend of mine.
He had a laptop he liked, but the disk died and it was an IDE disk.
So no possibility to set a new disk: ide laptop disks are difficult to
find, and sata disk with interface do not fit.
But msata do. And you can find easily cheap ide to msata converters, and
now msata disks are pretty cheap (last one I buy last week, 250Gb for 37€
laptop saved from obsolescence :-)
jdd
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Darryl Gregorash wrote:
> On 2019-02-27 07:22 PM, Anton Aylward wrote:
[snip]
>> And it seems Steve has done a 4th edition by himself with
>> Addison-Wesley. "Linux Firewalls: Enhancing Security with nftables
>> and Beyond 4th Edition"
> I did note that book in my meandering. My first question was, "What
> the <bleep> is nftables?" But please, no one hijack the thread on my
> account -- if I'm really interested, I'll open another one :D
nftables is the latest evolution - we started out with ipchains (1999?),
then iptables, now nftables (2014?). c't (German computer magazine)
has done a couple of decent articles - in 2015 and quite recently, in
january I think.
> But I'd be far more satisfied if someone would write a decent GUI
> interface to at least one of these things.
I think any GUI will also come with a straight jacket of assumptions
(for good reason) - if you want out, you have to abandon the GUI.
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http://www.cloudsuisse.com/ - your owncloud, hosted in Switzerland.
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Hi,
to access a galaxy s7 phone:
on tumbleweed
plugging in usb cable, could it open with dolphin, no problem.
but where in the directory hierarchy i would find it?
i would like to use midnight commander to copy files, NOT dolphin.
is there a possibility? (like with old android phones
or with apple with ifuse and fusermount????) to get access during
the normal filesystem-directory's. - or maybe with something inside
midnight commander like the ftp-connection #???
thanks,
simoN
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Hi Folks,
I've finally started to move 42.3 systems to Leap 15 and have run into some
issues with firewalld. The basic install works okay on this dual-stack v4/v6 network,
but when I try to configure two interfaces (exterior/interior) I lose my v6 address
assignment. Stopping the firewall allows dhcpv6 to work, starting the firewall
breaks it again. I've explicitly tried to enable the dhcpv6 service, and to enable logging
for troubleshooting, all to no avail. The GUI interface is confusing at best, and
I've got direct experience with ipchains and iptables, so I didn't just fall off of
the turnip truck.
Does anyone have experience with Shorewall as a replacement for firewalld? I'm
tempted to try it before I get too far into the weeds with firewalld. Any suggestions?
Regards,
Lew
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Hi guys,
I know this has been asked many times, and probably by me more than
once, but here goes again. I finally got an SSD which I'd like to
install on my Linux box. Yea! Starting off with a new drive I have the
luxury to start fresh, i.e. place grub where I want. But, I liked to
maintain my existing installs as bootable at least for a while while I
get the new install set up properly. But new install on a new drive
gives me that chance to re-think my past partitioning setup and bring
it up to current thinking.
I'm on Leap 42.3 and I'd like to stay with Leap (not TW), 42.3 has
been very stable and to my liking. Currently I have 2 physical drives,
sda with Grub in MBR (I think), sda1 is swap, sda5 and sda6 are
installation drives (extended), and sda7 is basically storage. sdb is
music, nothing else. What I've done in the past is to do / installs of
new releases in the older of the two sda6 or sda7, alternating between
keeping the newest, and installing the new release on the older of the
two. No separate /home, all each in /. That way I could keep my most
current release working and install the new one to play with and
migrate to when ready, basically copy /home over the the new install.
I have had problems with Grub finding the older install from time to
time, but mostly this worked. But, openSuse has moved forward and
seems there's a better way to upgrade now.
My new SSD is a 120GB Kingston. I don't think I could do the 2
separate partition installs on this as my current partition is 100GB
with about 50GB free. I don't want to limit my working space too much.
The 120GB drive would give me about 50 or 55GB space for each of the
two and I feel that's too limiting. I do plan on keeping teh current
sda for large files and other storage to save space on the SSD.
So to get down to it, what is the recommended way to install Leap 15
on this new drive? I'd like to keep boot access to at least 42.3. I'm
not sure how that will work with Grub on MBR on sda. Should Grub go on
the new SSD, and in MBR or other? And what's the recommended
partitioning scheme so that I can upgrade or clean install new
releases going forward?
Install is for a basic desktop, no email server or web server. Not
major use anyway.
Intel i5
4GB ram
Currently have Leap 42.3 and oS 13.2 but don't' need that.
Not sure you need this but here's my current partitioning setup. Other
than swap, all are Ext4 except 42.3 which is BtrFS.
linux-di48:/home/jim # fdisk -l
Disk /dev/sda: 465.8 GiB, 500107862016 bytes, 976773168 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0x0003f497
Device Boot Start End Sectors Size Id Type
/dev/sda1 2048 8386559 8384512 4G 82 Linux swap / Solaris
/dev/sda2 8386560 8787967 401408 196M 83 Linux
/dev/sda3 * 8787968 976773119 967985152 461.6G f W95 Ext'd (LBA)
/dev/sda5 8790016 218499071 209709056 100G 83 Linux
/dev/sda6 218501120 428212223 209711104 100G 83 Linux
/dev/sda7 428214272 976752639 548538368 261.6G 83 Linux
Disk /dev/sdb: 1.8 TiB, 2000398934016 bytes, 3907029168 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0x0009f628
Device Boot Start End Sectors Size Id Type
/dev/sdb1 2048 629153791 629151744 300G 83 Linux
/dev/sdb2 629153792 2097172479 1468018688 700G 83 Linux
Many thanks,
Jim F
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Hi all.
I have a new network device. An Extron DVS 304 to be precise.
I want to access the web page by IP. The IP address is 192.168.254.254
255.255.0.0
my network is 192.168.0.* 255.255.255.0
When I type in the IP 192.168.254.254 firefox takes about 5 mins then
never loads the page and says The connection has timed out.
I tried resetting the unit.
I tried setting my PC to 192.168.254.1 255.255.0.0
Can anyone give me a pointer as to what I am doing wrong?
Thanks
Paul
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