Re: BTRFS settings for media storage

2021-03-26 Thread Roger Heflin
Make sure to get NAS type drives. The non-Enterprise, Non-Nas drives usually won't timeout for 2-3 minutes.The NAS drives typically can be set 7 seconds or less. You also want to evaluate setting the timeout lower. And watch out for the SMR disks, get CMR ones. The SMR's are said to suck w

Re: btrfs system slow down with 100GB file

2021-03-26 Thread Chris Murphy
On Thu, Mar 25, 2021 at 8:59 AM Roberto Ragusa wrote: > > On 3/25/21 4:25 AM, Chris Murphy wrote: > > > It might be appropriate to set dirty_bytes to 500M across the board, > > desktop and server. And dirty_background to 1/4 that. But all of these > > are kinda rudimentary guides. What we really w

Re: Mounting device using UUID by non-root

2021-03-26 Thread Patrick O'Callaghan
On Thu, 2021-03-25 at 10:44 -0600, Joe Zeff wrote: > On 3/25/21 5:51 AM, Patrick O'Callaghan wrote: > > Add a line to /etc/fstab, specifying 'user' as one of the mount > > options. > > And, if you don't want it mounted at boot, put in noauto as well. Indeed. poc _

Re: BTRFS settings for media storage

2021-03-26 Thread Chris Murphy
On Thu, Mar 25, 2021 at 6:00 AM Richard Shaw wrote: > > So how long do you wait until you consider the drive "good"? :) > > I'm not in a hurry so I could setup two of the drives in a RAID1 mirror and > copy my media over and just let it run for a while before I add disks 3 & 4. We don't have muc

Re: btrfs system slow down with 100GB file

2021-03-26 Thread Chris Murphy
On Thu, Mar 25, 2021 at 6:39 AM Richard Shaw wrote: > > On Wed, Mar 24, 2021 at 11:05 PM Chris Murphy wrote: >> Append writes are the same on overwriting and cow file systems. You >> might get slightly higher iowait because datacow means datasum which >> means more metadata to write. But that's

Re: btrfs system slow down with 100GB file

2021-03-26 Thread Chris Murphy
On Thu, Mar 25, 2021 at 7:26 PM Chris Murphy wrote: > > The defaults are crazy. > https://lwn.net/Articles/572921/ > > Does this really make a difference though outside the slow USB stick > example? I don't know. Seems like it won't for fsync heavy handedness > because that'll take precedence. T

Can't mount XFS filesystems on Fedora 33

2021-03-26 Thread Shawn Badger
I have a 10TB drive that is formatted with XFS and it has been working fine for a number of years and 2 days ago I did an update and now I cannot mount it any longer. I get "unknown filesystem type 'xfs'." from mount all of a sudden after updates. xfs_repair can see the volume and shows it with no

What sets QT_IM_MODULE in F33?

2021-03-26 Thread Robert G. (Doc) Savage via users
Using Fedora 33 with MATE desktop... I'm working with the developer of a very handy RPN calculator app called rpCalc to figure out why it doesn't work for my regular user 'doc' but works perfectly for a newly created user 'test'. The developer strongly suspects a Qt5 setting. We have narrowed our

Re: Hooks for automount

2021-03-26 Thread Patrick O'Callaghan
On Tue, 2021-03-23 at 22:40 +, Patrick O'Callaghan wrote: > On Wed, 2021-03-24 at 06:02 +0800, Ed Greshko wrote: > > On 23/03/2021 18:57, Patrick O'Callaghan wrote: > > > Sure, I'd like to see it. I've been testing various mods to the > > > whole > > > thing because I couldn't get it to work re

Re: Can't mount XFS filesystems on Fedora 33

2021-03-26 Thread Jorge Fábregas
On 3/25/21 10:52 PM, Shawn Badger wrote: > Has anyone else seen this or know where to point me to get the issue > resolved? No, I haven't seen this. Can you share the output of "lsblk -f" ? Regards, Jorge ___ users mailing list -- users@lists.fedorapro

Re: What sets QT_IM_MODULE in F33?

2021-03-26 Thread Aristeidis Dimitriadis
On 3/26/21 10:55 AM, Robert G. (Doc) Savage via users wrote: > Is there a cat | grep command (or equiv) that can recursively look for > "QT" in all files in my home directory -- including hidden files? It > would have to be able to output the full path to any files in which "QT" > is found. Unfortu

A problem with compiling the latest version of Orca screen reader on F 33 and Rawhide

2021-03-26 Thread Francisco Tissera
Hello everyone, The problem I'v having is this: When i clone orca into the orca directory, cd to it, and run ./autogen.sh, everything goes ok, eccept... configure: error: Package requirements (pygobject-3.0 >= 3.18) were not met: Package 'pygobject-3.0', required by 'virtual:world', not foun

Re: Can't mount XFS filesystems on Fedora 33

2021-03-26 Thread Chris Murphy
What kernel version? i.e. uname -r At the time of the mount failure, what do you get for: $ lsmod | grep xfs xfs 1892352 0 $ dmesg | grep -i xfs [ 717.658384] SGI XFS with ACLs, security attributes, scrub, quota, no debug enabled I suspect you get neither of the above results.

Re: A problem with compiling the latest version of Orca screen reader on F 33 and Rawhide

2021-03-26 Thread stan via users
On Fri, 26 Mar 2021 12:43:56 -0400 Francisco Tissera wrote: > The problem I'v having is this: > > When i clone orca into the orca directory, cd to it, and run > ./autogen.sh, everything goes ok, eccept... > > configure: error: Package requirements (pygobject-3.0 >= 3.18) were > not met: Package

Re: btrfs system slow down with 100GB file

2021-03-26 Thread Roberto Ragusa
On 3/26/21 2:26 AM, Chris Murphy wrote: If you have 40G of dirty data and your program says "fsync it" you've got 40G of data that has been ordered flushed to stable media. Everything else wanting access is going to come close to stopping. That's the way it works. You don't get to "fsync this ve

Re: A problem with compiling the latest version of Orca screen reader on F 33 and Rawhide

2021-03-26 Thread Francisco Tissera
Hello there, A simple dnf build-dep orca worked as well, and I dubblechecked to make sure all the packages you listed were installed, and htey were, it works, thanks. Best regards. Francisco. On 3/26/21 5:45 PM, stan via users wrote: On Fri, 26 Mar 2021 12:43:56 -0400 Francisco Tissera w

Re: btrfs system slow down with 100GB file

2021-03-26 Thread Chris Murphy
On Thu, Mar 25, 2021 at 7:26 PM Chris Murphy wrote: > > The problem is well understood for some time. > https://lwn.net/Articles/572911/ This is an update on that 8 year old story. Last year writebehind patches were proposed, and a discussion ensued. https://lore.kernel.org/linux-mm/CAHk-=whf2bq

Re: What sets QT_IM_MODULE in F33?

2021-03-26 Thread Ed Greshko
On 26/03/2021 16:55, Robert G. (Doc) Savage via users wrote: Using Fedora 33 with MATE desktop... I'm working with the developer of a very handy RPN calculator app called rpCalc to figure out why it doesn't work for my regular user 'doc' but works perfectly for a newly created user 'test'. The

Identifying what is accessing a USB device.

2021-03-26 Thread Patrick O'Callaghan
I have an external USB-3 2-disk docking station, and a script which can power up and down the drives as needed. I have a systemd automount unit that correctly powers up the dock when accessed, then mounts the drives (thanks Ed). After an idle time, automount unmounts the drives. A script detects

Re: Hooks for automount

2021-03-26 Thread Patrick O'Callaghan
On Wed, 2021-03-24 at 06:02 +0800, Ed Greshko wrote: > On 23/03/2021 18:57, Patrick O'Callaghan wrote: > > Sure, I'd like to see it. I've been testing various mods to the > > whole > > thing because I couldn't get it to work reliably, i.e. the loop > > waiting > > for the unmount would work when ru

Re: Hooks for automount

2021-03-26 Thread Ed Greshko
On 27/03/2021 07:24, Patrick O'Callaghan wrote: Just a quick comment: I think the x-systemd.mount-timeout entry in aux.mount should be x-systemd.idle-timeout, at least according to the systemd.mount man page. Actually, it should not be there at all.  I had copied it the fstab and it was actual

Re: btrfs system slow down with 100GB file

2021-03-26 Thread Chris Murphy
On Fri, Mar 26, 2021 at 4:00 PM Roberto Ragusa wrote: > Well, there is no reason for fsync to block everything else. In practice, it does. There's only one thing happening at a time with with a HDD, so while the write is flushing, nothing else is going to get either a read or a write in, which i

Re: Hooks for automount

2021-03-26 Thread Tom Horsley
The duration of this tread has me laughing at the systemd "Biggest Myths" web page again: http://0pointer.de/blog/projects/the-biggest-myths.html Especially the claims that it is easily scriptable :-). ___ users mailing list -- users@lists.fedoraproject

Re: NVidia graphics card on F33

2021-03-26 Thread Anil Felipe Duggirala
On Wed, Mar 17, 2021, at 4:33 PM, George N. White III wrote: > You have "hybrid graphics": > https://wiki.archlinux.org/index.php/Hybrid_graphics. For laptops > there is usually a video switch that connects the "active" graphics > device to the display, and can > switch from discrete to integr

Firefox tab switch looks bad in high-dpi scaled Gnome

2021-03-26 Thread Anil F Duggirala
hello, When switching tabs in Firefox on a high-dpi display that has been scaled (200%) in Gnome. The tabs appear on top of each other. All tabs are shown, but they are on top of each other in a cascade sort of layout. It looks really bad. Does anyone have any suggestions as to how to fix thi

Re: NVidia graphics card on F33

2021-03-26 Thread Samuel Sieb
On 3/26/21 5:00 PM, Anil Felipe Duggirala wrote: On Wed, Mar 17, 2021, at 4:33 PM, George N. White III wrote: "sudo lshw -c video" or "sudo lspci -k | grep -A 4 -i 'VGA'" should show the driver used with each graphics device. Running this command is only listed my integrated graphics card: 0

Re: Identifying what is accessing a USB device.

2021-03-26 Thread Ed Greshko
On 27/03/2021 07:20, Patrick O'Callaghan wrote: This never happens if I run the script directly from the command line (i.e. the drives power down and stay down). Clearly the docking unit isn't just doing this flakily on its own. Something is making it happen, and I've no idea how to discover wha

Re: Identifying what is accessing a USB device.

2021-03-26 Thread R. G. Newbury
Subject: Identifying what is accessing a USB device. I have an external USB-3 2-disk docking station, and a script which can power up and down the drives as needed. I have a systemd automount unit that correctly powers up the dock when accessed, then mounts the drives (thanks Ed). After an

Re: Identifying what is accessing a USB device.

2021-03-26 Thread Chris Murphy
On Fri, Mar 26, 2021 at 5:21 PM Patrick O'Callaghan wrote: > > I have an external USB-3 2-disk docking station, and a script which can > power up and down the drives as needed. > > I have a systemd automount unit that correctly powers up the dock when > accessed, then mounts the drives (thanks Ed)