Re: /var/cache/dnf

2025-03-06 Thread Felix Miata
Charlie Dennett composed on 2025-03-06 15:19 (UTC-0500):

> On Thu, Mar 6, 2025 at 2:56 PM Felix Miata wrote:

>> I have multiple F41 installations system-upgraded from F40, upgraded from 
>> F39,
>> etc., and a few of F42 from F41. Now with DNF5 operational, is there any 
>> reason in
>> F41+ for /var/cache/dnf/ to continue to exist? It has multiple files of
>> considerable size.

> I would think you could get rid of them but until you get a more definitive
> answer, you can clean them out with:

> sudo dnf4 clean all

> That should clean out all the old dnf4 cruft.

That left 10.0MiB in packages.db, and no more than around 100k other. Nice
improvement. :)

> It also looks like there may be both dnf4 and dnf5 files in /var/lib/dnf.
> It would be interesting to know if any of those can be deleted.  Plus there
> are log files for both dnf versions in /var/log.
-- 
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Re: what kind of raid is this?

2025-03-06 Thread John Mellor


On 2025-03-06 9:29 p.m., Tim via users wrote:

On Thu, 2025-03-06 at 14:08 +, Barry wrote:

Whst is fake raid? I had assume that term just means software raid in
the bios.

RAID done by the motherboard, either completely on its own, or
requiring specialist drivers.  And is depending heavily on the
motherboard for its existence, and quite likely to use the drives in a
manner incompatible with anything else (such as having to replace the
motherboard, or having to pull out a drive to read it on something
else).

The same can probably be said for drives plugged into a daughterboard
into the motherboard.  And I dare say for external boxes full of hard
drives that appear like mass storage to the computer.

I'd say the most foolproof scheme is a bunch of drives plugged into
multiple drive ports on the motherboard, and having the OS create a
RAID out of them.

While some will argue about the potential speed differences between the
various schemes, and others will argue it's not really that
significant, the original poster's purpose for the system would suggest
reliability is the main criteria.  They're not doing high-speed data
processing (such as rendering 3-D raytracing or high def video
editing).
  


Hardware RAID cards are expensive, have ludicrously expensive batteries, 
and have no concept of empty sectors or filesystems and so have to 
methodically replicate every sector blindly.  This is a problem, 
especially when doing a recovery.  Software RAID using JBOD and a 
journaling filesystem that can do RAID (ZFS, BTRFS, a couple of others) 
is usually somewhat faster in read and normally hundreds of times faster 
than hardware RAID in recovery.  The only edge case where hardware RAID 
might even compete is when the array is near or at 100% full and there 
are no sectors where a software RAID can do something more intelligent.



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Re: internal network

2025-03-06 Thread Michael Hennebry

What is daisy-chaining?
Multi-drop bus (each device connected to a common wire)?
Forwarding (each device has two distinct connections)?
Something else?

Discovering the topology was easy.
Details, not so much.

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Re: internal network

2025-03-06 Thread Samuel Sieb

On 3/6/25 5:42 PM, Michael Hennebry wrote:

What is daisy-chaining?
Forwarding (each device has two distinct connections)?


This.

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Re: internal network

2025-03-06 Thread Tim via users
On Thu, 2025-03-06 at 19:42 -0600, Michael Hennebry wrote:
> What is daisy-chaining?

Named after making a necklace from intertwining daisies together, it's
one thing connected to another, to another through another, to another
through another, etc.

Internet <--> PC <--> PC <--> PC

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Re: [Test Day] Fedora 42 i18n Test Week 2025-03-04

2025-03-06 Thread Luna Jernberg
Joining in today

Den sön 2 mars 2025 kl 20:01 skrev Sumantro Mukherjee :
>
> Hello All,
>
>
> Fedora QA and i18n team is hosting a Fedora Test Week to test the i18n 
> features in Fedora 42. This is nice opportunity for anyone interested in i18n 
> or in general to get started with contributing to Fedora Project.
>
> If you are interested, please make the note of the following :
>
> Wiki page , gives off information about the people , features and pre req 
> about the test day. It can be found here [0]
>
> The results app helps testers to submit their results and report bugs if any! 
> It can be found here[1]
>
> If you are absolutely new , this magazine article talks about the test week[2]
>
>
> [0] http://fedoraproject.org/wiki/Test_Day:2025-03-04_I18N_Test_Day
>
> [1] https://testdays.fedoraproject.org/events/210
>
> [2] 
> https://fedoramagazine.org/contribute-at-the-fedora-linux-42-i18n-test-week/
>
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Re: MATE desktop not offered by Fedora 42 greeter

2025-03-06 Thread Robert Nichols via users

FWIW, the upgrade was from a Fedora 41 VM in which my MATE desktop was working 
just fine.

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On 3/6/25 22:46, Robert Nichols via users wrote:

In my newly upgraded Fedora 42 VM, the greeter offers me only "GNOME" and "GNOME 
Classic" even though dnf reports:
     Package "mate-desktop-1.28.2-4.fc42.x86_64" is already installed.

I tried reinstalling mate-desktop, but that did not help. How can I get MATE 
desktop to work?




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MATE desktop not offered by Fedora 42 greeter

2025-03-06 Thread Robert Nichols via users

In my newly upgraded Fedora 42 VM, the greeter offers me only "GNOME" and "GNOME 
Classic" even though dnf reports:
Package "mate-desktop-1.28.2-4.fc42.x86_64" is already installed.

I tried reinstalling mate-desktop, but that did not help. How can I get MATE 
desktop to work?

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Re: what kind of raid is this?

2025-03-06 Thread Bob Marčan via users
On Thu, 06 Mar 2025 14:08:26 +
"Barry"  wrote:

> > On 6 Mar 2025, at 11:22, Bob Marčan via users 
> >  wrote:
> >
> > does not disclose whether it is SW or Fake Raid.  
> 
> Whst is fake raid? I had assume that term just means software raid in the 
> bios.
> 
> Barry

https://www.diskinternals.com/raid-recovery/fakeraid/

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Re: what kind of raid is this?

2025-03-06 Thread Barry Scott


> On 6 Mar 2025, at 14:54, Bob Marčan  wrote:
> 
> On Thu, 06 Mar 2025 14:08:26 +
> "Barry"  wrote:
> 
>>> On 6 Mar 2025, at 11:22, Bob Marčan via users 
>>>  wrote:
>>> 
>>> does not disclose whether it is SW or Fake Raid.  
>> 
>> Whst is fake raid? I had assume that term just means software raid in the 
>> bios.
>> 
>> Barry
> 
> https://www.diskinternals.com/raid-recovery/fakeraid/

Rather short of details on that site.

But reading between the lines Fakeraid is software raid and usually Intel RST.

Barry

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Re: what kind of raid is this?

2025-03-06 Thread Roger Heflin
highpoint had multi-port raid5 fakeraid cards in the 2006 timeframe
and was very careful about not disclosing it was 99.9% software and
required an extra driver.

There were others that had these cards also, they were troublesome and
even intel's has issues at times.

On Thu, Mar 6, 2025 at 9:04 AM Barry Scott  wrote:
>
>
>
> > On 6 Mar 2025, at 14:54, Bob Marčan  wrote:
> >
> > On Thu, 06 Mar 2025 14:08:26 +
> > "Barry"  wrote:
> >
> >>> On 6 Mar 2025, at 11:22, Bob Marčan via users 
> >>>  wrote:
> >>>
> >>> does not disclose whether it is SW or Fake Raid.
> >>
> >> Whst is fake raid? I had assume that term just means software raid in the 
> >> bios.
> >>
> >> Barry
> >
> > https://www.diskinternals.com/raid-recovery/fakeraid/
>
> Rather short of details on that site.
>
> But reading between the lines Fakeraid is software raid and usually Intel RST.
>
> Barry
>
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Re: what kind of raid is this?

2025-03-06 Thread Roger Heflin
Fakeraid is the original name for this when manufacturers came up with
it.   Originally everyone were directly competing with the hardware
raid, and the manufacturers of these raid cards did not go out of
their way to tell anyone it was 99.9% software.

There were fakeraid raid5/raid6 controllers that did not clarify that
it was 99.9% software, hence the term being "fakeraid", as every other
raid controllers prior to this were 100% hardware.   And typically the
fake raid needing their own heavy lifting driver were not integrated
into the kernel and needed a 3rd party driver, with all of the risks
of a 3rd party driver (lack of updates and support).

On Thu, Mar 6, 2025 at 8:09 AM Barry  wrote:
>
>
>
> > On 6 Mar 2025, at 11:22, Bob Marčan via users 
> >  wrote:
> >
> > does not disclose whether it is SW or Fake Raid.
>
> Whst is fake raid? I had assume that term just means software raid in the 
> bios.
>
> Barry
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Re: what kind of raid is this?

2025-03-06 Thread Patrick O'Callaghan
On Wed, 2025-03-05 at 22:05 -0800, ToddAndMargo via users wrote:
> On 3/5/25 9:05 PM, Jeffrey Walton wrote:
> > On Wed, Mar 5, 2025 at 9:12 PM ToddAndMargo via users
> >  wrote:
> > > 
> > > On 3/5/25 5:45 PM, Bob Marčan via users wrote:
> > > > > /dev/md126:
> > > > >Container : /dev/md/imsm0, member 0
> > > > >   Raid Level : raid1
> > > > ^^^
> > > 
> > > Not following you.
> > 
> > He answered your question. You have RAID1. It is also called Disk Mirroring.
> > 
> > Jeff
> 
> 
> Hi Jeff,
> 
> The question was what type of raid, not what level.
>  From my original post:
> 
>   Raid Level : raid1
> 
> Is this RSTe?  Software raid handled by the OS?
> Or something else?

It seems quite clearly to be mdraid, given the device path.

poc
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Re: what kind of raid is this?

2025-03-06 Thread Barry


> On 6 Mar 2025, at 11:22, Bob Marčan via users  
> wrote:
> 
> does not disclose whether it is SW or Fake Raid.

Whst is fake raid? I had assume that term just means software raid in the bios.

Barry
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Re: what kind of raid is this?

2025-03-06 Thread Roger Heflin
It is the fakeraid driver that runs on top of standard md/dm devices.
RST is Intels fakeraid setup.

I am not sure if it will automatically come up (if installed on a
machine without a fakeraid bios and/or not defined in the fakeraid
bios).  There is likely a manual way to force configured it to come up
on another machine.   You would want to check the dm-raid list
archives.

I like to avoid the fakeraids just because they are a bit more trouble
and aren't as well tested/supporting with updates.

On Thu, Mar 6, 2025 at 5:22 AM Bob Marčan via users
 wrote:
>
> On Wed, 05 Mar 2025 22:05:13 -0800
> "ToddAndMargo via users"  wrote:
>
> > On 3/5/25 9:05 PM, Jeffrey Walton wrote:
> > > On Wed, Mar 5, 2025 at 9:12 PM ToddAndMargo via users
> > >  wrote:
> > >>
> > >> On 3/5/25 5:45 PM, Bob Marčan via users wrote:
> >  /dev/md126:
> > Container : /dev/md/imsm0, member 0
> >    Raid Level : raid1
> > >>> ^^^
> > >>
> > >> Not following you.
> > >
> > > He answered your question. You have RAID1. It is also called Disk 
> > > Mirroring.
> > >
> > > Jeff
> >
> >
> > Hi Jeff,
> >
> > The question was what type of raid, not what level.
> >  From my original post:
> >
> >   Raid Level : raid1
> >
> > Is this RSTe?  Software raid handled by the OS?
> > Or something else?
> >
> > -T
>
> The information you sent, at least to me, does not disclose whether it is SW 
> or Fake Raid. Try to connect this disk to a Linux machine and look there what 
> can be seen there. I would do that myself.
>
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Re: what kind of raid is this?

2025-03-06 Thread Ian Pilcher

On 3/5/25 7:18 PM, ToddAndMargo via users wrote:

/dev/md126:
     Container : /dev/md/imsm0, member 0

   
IMSM is "Intel Matrix Storage Manager," which is a "BIOS RAID" (aka
fake RAID) implementation.

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Re: what kind of raid is this?

2025-03-06 Thread Jeffrey Walton
On Wed, Mar 5, 2025 at 9:12 PM ToddAndMargo via users
 wrote:
>
> On 3/5/25 5:45 PM, Bob Marčan via users wrote:
> >> /dev/md126:
> >>   Container : /dev/md/imsm0, member 0
> >>  Raid Level : raid1
> >^^^
>
> Not following you.

He answered your question. You have RAID1. It is also called Disk Mirroring.

Jeff
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Re: /var/cache/dnf

2025-03-06 Thread Charlie Dennett
On Thu, Mar 6, 2025 at 2:56 PM Felix Miata  wrote:

> I have multiple F41 installations system-upgraded from F40, upgraded from
> F39,
> etc., and a few of F42 from F41. Now with DNF5 operational, is there any
> reason in
> F41+ for /var/cache/dnf/ to continue to exist? It has multiple files of
> considerable size.


I would think you could get rid of them but until you get a more definitive
answer, you can clean them out with:

sudo dnf4 clean all

That should clean out all the old dnf4 cruft.

It also looks like there may be both dnf4 and dnf5 files in /var/lib/dnf.
It would be interesting to know if any of those can be deleted.  Plus there
are log files for both dnf versions in /var/log.
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Re: /var/cache/dnf

2025-03-06 Thread Mark C. Allman via users


On 3/6/25 3:36 PM, Felix Miata wrote:

Charlie Dennett composed on 2025-03-06 15:19 (UTC-0500):


On Thu, Mar 6, 2025 at 2:56 PM Felix Miata wrote:


I have multiple F41 installations system-upgraded from F40, upgraded from F39,
etc., and a few of F42 from F41. Now with DNF5 operational, is there any reason 
in
F41+ for /var/cache/dnf/ to continue to exist? It has multiple files of
considerable size.


I would think you could get rid of them but until you get a more definitive
answer, you can clean them out with:

sudo dnf4 clean all

That should clean out all the old dnf4 cruft.

That left 10.0MiB in packages.db, and no more than around 100k other. Nice
improvement. :)


It also looks like there may be both dnf4 and dnf5 files in /var/lib/dnf.
It would be interesting to know if any of those can be deleted.  Plus there
are log files for both dnf versions in /var/log.


I think, some time back, that I tried renaming /var/cache/dnf to 
something like /var/cache/dnf.save (for example) and it didn't impact 
anything at all. I still see /var/cache/dnf but it's empty.


All my systems are running the latest everything (updated automatically 
twice a day, including checking everything with rpm --verify), kernel is 
6.13.5-200.fc41.x86_64.


-- Mark


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Re: what kind of raid is this?

2025-03-06 Thread ToddAndMargo via users

On 3/6/25 7:53 AM, Ian Pilcher wrote:

On 3/5/25 7:18 PM, ToddAndMargo via users wrote:

/dev/md126:
 Container : /dev/md/imsm0, member 0

    
IMSM is "Intel Matrix Storage Manager," which is a "BIOS RAID" (aka
fake RAID) implementation.


Thank you!  I do believe I vaguely remember configuring
the drives in BIOS RSTe.



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Re: what kind of raid is this?

2025-03-06 Thread Stephen Morris

On 7/3/25 01:54, Bob Marčan via users wrote:

On Thu, 06 Mar 2025 14:08:26 +
"Barry"  wrote:


On 6 Mar 2025, at 11:22, Bob Marčan via users  
wrote:

does not disclose whether it is SW or Fake Raid.

Whst is fake raid? I had assume that term just means software raid in the bios.

Barry

https://www.diskinternals.com/raid-recovery/fakeraid/

On the previous motherboard I had (and possibly the current one, I 
haven't investigated the functions it provides) I was sold the 
motherboard on the grounds that it provided Raid10 which I wanted. In 
order for the Raid10 to be used, and install Windows to it, I needed to 
supply bios provided drivers at Windows install time so that Windows 
could actually see the Raid devices to install to, and from what the 
article is saying that was an indication that it was fake raid which 
should allow Windows and Linux to be installed to the same devices and 
be interchangeable in a dual boot situation that I was doing, that was 
not the case with the implementation. While with the supplied drivers 
Windows was able to see the devices and install to them, Fedora 
Workstation would not install on the devices on the grounds that it 
could not see them, and the bios did not supply Linux drivers. At the 
time I was getting this issue I found documentation on the net that said 
Fedora Workstation could not install to Raid only Fedora Server could.


regards,

Steve


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