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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Re: Tumbleweed:
I have an Epson WP-4530 all-in-one printer/copier/scanner. The Driver is
available in /usr/etcetera, and Yast claims to have installed it, and if
I try to print something, the Epson is shown as a choice, but nothing
happens. If I try to use XSane, a message tells me it can't find a device.
Meanwhile, an HP LaserJet Pro is found and prints perfectly. But it
can't scan or print in color.
I've gotten used to Tumbleweed and I like it, but why won't it print?
All help appreciated!
--doug
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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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PhotoQT opens to black screen with a very generic looking panel icon, and no
discernable way to open any images or camera. LXImage seems too simple, no
apparent way to get pix from a Camera. YaST2 doesn't make it too easy to find a
Camera app, at least, not a non-GTK-based one. KDE's Digikam requires KF5Contacts,
which seems like an address book thingie I shouldn't need to have cluttering this
simple installation.
Any suggestions?
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Team OS/2 ** Reg. Linux User #211409 ** a11y rocks!
Felix Miata *** http://fm.no-ip.com/
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I'm trying to start spamd on Leap 15.1 - somehow systemd does not
recognise it has been started and then kills it.
# systemctl cat spamd
[snip]
[Service]
Type=forking
PIDFile=/var/run/spamd.pid
ExecStartPre=/bin/bash -c "sa-update || true"
EnvironmentFile=-/etc/sysconfig/spamd
ExecStart=/usr/sbin/spamd $SPAMD_ARGS -r /var/run/spamd.pid
ExecReload=/usr/bin/kill -HUP $MAINPID
Seems to me the pidfile is fine ?
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I bought a computer with Leap 15.0 preinstalled on an SSD, and I also
wanted to install Tumbleweed on the disk. For reasons detailed below, I
did this without installing a bootloader for Tumbleweed, but since
Tumbleweed is frequently updated, including grub2, I think it would be
better to install the bootloader in Tumbleweed. Due to my lack of
knowledge, I would be grateful for advice on how to do that safely.
Some specifics follow about the disk and what I did to install
Tumbleweed.
The SSD had three partitions: /boot, / (root) and swap. I shrank the
root partition (formatted as ext4) and added a btrfs partition for
Tumbleweed. I first left /boot and swap as is, but the Tumbleweed
installer said there was no bootable partition (I don't remember the
exact wording, something like no BIOS boot table). I then tried
deleting the /boot partition and adding it again, selecting "BIOS Boot"
as the partition ID, but the installer still said there was no bootable
partition. I also tried different file systems to format /boot --
originally it was FAT and I also tried XFS and ext3 -- but that made no
difference. So finally, I left the /boot partition unchanged but
unmounted it and proceeded with the installation. At the summary I then
changed the boot setup to prevent any boot loader being installed and
any changes made to the MBR. The installer said I might end up with an
unbootable system, but I went ahead anyway. The installation completed
and on rebooting the boot screen showed only Leap 15.0 as before, but
after running grub2-mkconfig in Leap, Tumbleweed was found and I could
boot it and it seems to be fine.
The disk has GPT with protective MBR. As noted the /boot partition is
formatted as FAT and also contains a directory efi, which is populated
in the running Leap, which mounts /boot/efi, but in the running
Tumbleweed, where /boot is not a separate partition, after mounting the
partition Leap sees as /boot/efi, the efi directory is empty (in the
running Tumbleweed). I do not plan to install any MS-Windows system,
but I do plan to install other Linux-based systems besides Tumbleweed,
and possibly a *BSD system. How can I install the bootloader in
Tumbleweed -- either from the currently installed Tumbleweed or by
reinstalling it -- without risking making both Tumbleweed and Leap
unbootable? If that requires deleting the existing /boot partition and
add it anew, is it necessary, given the systems I plan to install, to
have the efi directory, and if so, do I just have to make /boot/efi a
mountpoint, and if not, what else to I need to do to make sure it exists
and gets populated as required (if it's required)? And if the efi
directory is not needed, what would be the recommended file system for
the boot partition?
I also have a question concerning having a separate /boot partition
shared by Leap, Tumbleweed and any other systems I install: in each
system the directory /boot contains versioned files of the kernel,
config, etc., but there are also symlinks vmlinuz and initrd pointing to
the latest version installed in the system; if Leap and Tumbleweed (and
other Linux-based systems) populate the same /boot directory, the last
one installed would override existing symlinks, so I don't see how this
can work. Is it possible for different systems to use the same /boot
directory, installed on a separate partition, and if not, where do the
files used for booting different systems need to go, when a separate
/boot partition is used?
Thanks,
Steve Berman
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Hello to everyone again.
Dunno if I can write here with problems, but I didn't find any solutions
anywhere. I have openSuSE 15.1 with xfce4 but I have no idea why the
middle button doesn't work in Linux. I tested mouse with work laptop
(Windows 10) and works. On my personal PC doesn't. I know that maybe
silly but for me is very annoying. Maybe some met with that problem and
can help?
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MM
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Hi,
just in case, you care, as my son does, I'm building the current git version
of Blender here:
https://build.opensuse.org/package/show/home:frispete:blender/blender-git
It's updated every few days, as time permits.
Cheers,
Pete
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I am considering wiping my main system drive and reinstalling Tw clean but
would like to have the same packages on the new system. I will backup home
and replace the new home contents with the backedup data.
is this feasible?
how to save the currently installed pkgs for reinstall?
and yes, btrfs for entire system.
thoughts?
tks,
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Registered Linux User #207535 @ http://linuxcounter.net
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