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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Try
zypper in opi
Then f.e.
opi dog
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Gertjan Lettink a.k.a. Knurpht
openSUSE Board Member
openSUSE Forums Team
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I'd like to create a live 15.1 on a USB stick. Are there any official
procedures? Please note, I want to create a usable system, not an
install system. I already have one of those. A search turns up some
procedures for Windows, but not Linux. I'd rather use Linux.
tnx jk
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Hi,
when I use "ctrl-shift-U" at KeepPassX to perform autotype of my
login/pass at a site, subsequently KeepPassX minimizes and goes to the end
of the tab list.
How can I stop that? It is a nuisance.
- --
Cheers
Carlos E. R.
(from 15.1 x86_64 at Telcontar)
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Hi,
i am wondering about how / where kde will cache desktop symbols,
because it will show them even if the original source picture is removed:
i have a "virtual-machine-management1" desktop entry.
with "Icon=yast-vm-management"
it shows a monitor and some tools
it seems, that this picture was in some update (i use tumbleweed)
removed.
because if i open properties it will show a other symbol (a white animal at green background).
i have more than one computers installed similar, an at one
of them also on desktop there is now (i have no idea why) shown the symbol which
i see when i open with right mouse click "properties" (animal)
in properties, there should normally shown the same symbol i see at the desktop.
but at all except one computer i see the old symbol at desktop and the animal
symbol at properties.
see here:
https://paste.opensuse.org/83344057
so my questions are:
1)
why is the old symbol still shown even if it seems to be removed
(i could not find it actually on my computer by searching for
"*yast-vm-management*" in /usr and in /home
2) where is it stored ?
3) how (what symbol) did kde assign a other symbol if the original is removed
with other words, when in the desktop entry file is a "non existing" name
of a symbol.
simoN
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All (devs),
Here is to wishful thinking. It would be very nice to extend 15.0 updates
until 15.2 is out to avoid problems like supported vbox 5.2.34+ triggering 4
error dialogs every boot with the 15.1 kernel modules built on the also
supported 6.x versions along with a few additional intermediate issues.
Any takers :)
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David C. Rankin, J.D.,P.E.
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Hello:
I still need occasionally adobe reader.
I installed it according to the description at this github site:
cho2/Adobe Reader
https://gist.github.com/cho2/79964a49a4f5f545853d3ebdfd1efe73
I followed the instructions of msohni (commented Jun 2, 2019)
with slight modifications (different old library dir name).
Now adobe reader / acroread runs without any error or even
warning messages.
Unfortunately the program print window doesn't see any configured
printer, only "custom" is available.
I copied libcups.so.2 (32 bit) from Leap 42.3 as the github site
suggests but still no printers shown.
There must be something else, maybe something trivial I missed.
Any idea would be appreciated on how to solve it.
Thanks,
Istvan
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I was wondering if opensuse was planning to use xfs for its root again,
soon?
xfs formally has reflink copying and can automatically perform some
types of
deduplication.
It's 1 better than using a hard link since only the data is currently
dedupped
and 2 copies of the same file can be owned by different people, even though
the data is linked.
They also have COW, so if you change bytes in the middle, only those bytes
need to be written, like 2-1GB files were equal, copied 4k of 1's into
the middle of one of the original two files.
The space on disk went up by 4k for the new file and its sectors were
deduped
from the other file.
No one would claim perfection, but given the frequent problems with BRTFS,
it might yield lower problems.
Forgive me if this has already been discussed, but it seemed cool!
'cp' even has support for doing reflnk copies or not.
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Hello everyone,
I have some trouble with Squid and SquidGuard on openSUSE 15.1.
Apparently squidGuard is not called by squid and does not use the
squidGuard database, as a result everything passes the proxy.
More details :
Tow virtual machines based on OpenSuse leap 15.1 :
- A server with Squid and squiguard (Packages: squid squidguard
squidguard-doc), the firewall is down for the test.
- A client with a GUI and Firefox configured to target the proxy server
(Manual configuration).
.. Squid configuration files :
#
# Recommended minimum configuration:
#
# Example rule allowing access from your local networks.
# Adapt to list your (internal) IP networks from where browsing
# should be allowed
#acl localnet src 0.0.0.1-0.255.255.255 # RFC 1122 "this" network (LAN)
#acl localnet src 10.0.0.0/8 # RFC 1918 local private network
(LAN)
#acl localnet src 100.64.0.0/10 # RFC 6598 shared address space
(CGN)
#acl localnet src 169.254.0.0/16 # RFC 3927 link-local (directly
plugged) machines
#acl localnet src 172.16.0.0/12 # RFC 1918 local private network
(LAN)
#acl localnet src 192.168.0.0/16 # RFC 1918 local private
network (LAN)
#acl localnet src fc00::/7 # RFC 4193 local private network
range
#acl localnet src fe80::/10 # RFC 4291 link-local (directly
plugged) machines
acl localnet src 192.168.122.0/24
acl SSL_ports port 443
acl Safe_ports port 80 # http
acl Safe_ports port 21 # ftp
acl Safe_ports port 443 # https
acl Safe_ports port 70 # gopher
acl Safe_ports port 210 # wais
acl Safe_ports port 1025-65535 # unregistered ports
acl Safe_ports port 280 # http-mgmt
acl Safe_ports port 488 # gss-http
acl Safe_ports port 591 # filemaker
acl Safe_ports port 777 # multiling http
acl CONNECT method CONNECT
acl forbiddenword url_regex shopping facebook
# Add pass to squidGuard program
url_rewrite_program /usr/sbin/squidGuard -c /etc/squidguard.conf
#url_rewrite_children 5
#
# Recommended minimum Access Permission configuration:
#
# Deny requests to certain unsafe ports
http_access deny !Safe_ports
# Deny CONNECT to other than secure SSL ports
http_access deny CONNECT !SSL_ports
# Only allow cachemgr access from localhost
http_access allow localhost manager
http_access deny manager
# We strongly recommend the following be uncommented to protect innocent
# web applications running on the proxy server who think the only
# one who can access services on "localhost" is a local user
#http_access deny to_localhost
#
# INSERT YOUR OWN RULE(S) HERE TO ALLOW ACCESS FROM YOUR CLIENTS
#
http_access deny forbiddenword
http_access allow localnet
# Example rule allowing access from your local networks.
# Adapt localnet in the ACL section to list your (internal) IP networks
# from where browsing should be allowed
http_access allow localhost
# And finally deny all other access to this proxy
http_access deny all
# Squid normally listens to port 3128
http_port 3128
# Uncomment and adjust the following to add a disk cache directory.
#cache_dir ufs /var/cache/squid 100 16 256
# Leave coredumps in the first cache dir
coredump_dir /var/cache/squid
#
# Add any of your own refresh_pattern entries above these.
#
refresh_pattern ^ftp: 1440 20% 10080
refresh_pattern ^gopher: 1440 0% 1440
refresh_pattern -i (/cgi-bin/|\?) 0 0% 0
refresh_pattern . 0 20% 4320
.. squidguard configuration file
#
# CONFIG FILE FOR SQUIDGUARD
#
dbhome /var/lib/squidGuard/db
logdir /var/log/squidGuard
#
# DESTINATION CLASSES:
#
dest adult {
domainlist blacklist/domains
urllist blacklist/urls
expressionlist blacklist/expressions
}
dest shopping {
domainlist shopping/domains
urllist shopping/urls
expressionlist shopping/expressions
}
acl {
default {
pass !adult !shopping !in-addr any none
redirect http://192.168.122.233:/block.html
}
}
I get the shopping list from this url:
https://dsi.ut-capitole.fr/blacklists/index_en.php
the url_regex works fine, and the squidguard executable does not seem to
be called by squid.
The logs entry shows only the squidguard launched by hand in my
terminal.
.. squidguard logs
2019-11-21 14:46:23 [5070] squidGuard 1.4 started (1574343981.465)
2019-11-21 14:46:23 [5070] db update done
2019-11-21 14:46:23 [5070] squidGuard stopped (1574343983.014)
2019-11-21 17:02:34 [7534] New setting: dbhome: /var/lib/squidGuard/db
2019-11-21 17:02:34 [7534] New setting: logdir: /var/log/squidGuard
2019-11-21 17:02:34 [7534] init domainlist
/var/lib/squidGuard/db/blacklist/domains
2019-11-21 17:02:34 [7534] loading dbfile
/var/lib/squidGuard/db/blacklist/domains.db
2019-11-21 17:02:34 [7534] init urllist
/var/lib/squidGuard/db/blacklist/urls
2019-11-21 17:02:34 [7534] loading dbfile
/var/lib/squidGuard/db/blacklist/urls.db
2019-11-21 17:02:34 [7534] init expressionlist
/var/lib/squidGuard/db/blacklist/expressions
2019-11-21 17:02:34 [7534] init domainlist
/var/lib/squidGuard/db/blacklist/shopping
2019-11-21 17:02:34 [7534] loading dbfile
/var/lib/squidGuard/db/blacklist/shopping.db
2019-11-21 17:02:34 [7534] squidGuard 1.4 started (1574352154.779)
2019-11-21 17:02:34 [7534] squidGuard ready for requests
(1574352154.780)
Can you help me to understand why squidguard is not called by squid ?
best regards,
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