SMB transfer speed goes down after conversion to ext4

1. offizieller Beitrag

    Hi all,
    I just converted my shared hard drive from NTFS to ext4. Before the conversion, I was able to get a whooping 11 MB/sec dowloading files via SMB (which is great considering the 100mbps LAN connection). After the conversion, transfer speed went down to 4 MB/sec and smbd maxes out CPU load to 100% during the transfer. Is there anything I can do to get back my old transfer speeds (except converting back to NTFS ...)?

    • Offizieller Beitrag
    Zitat von tkaiser

    Please do not encourage users to fiddle around with settings

    If the settings on arm images shouldn't be changed, maybe we should create a file /usr/share/openmediavault/mkconf/samba.d/11arm that writes the settings to smb.conf. Then people won't be tempted to change them in the web interface.


    Zitat von flmaxey

    "Solutions to Common Problems" is his post, it's pinned throughout the forum and there's no mention of SBC's. (A large part of the user base.)

    The posts I link to still aren't wrong. Those posts mention most or all of the settings used in the arm images. I can add a note mentioning that arm images are already optimized and if they are seeing slow speeds, they are probably using an RPi :D

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    Zitat von flmaxey

    if a user is technically savvy enough to notice and measure a speed drop as observed by @badda , I see nothing wrong with giving those tuning parameters a try

    Optimized Samba settings are already part of the image. Now $something has changed. The filesystem that is known to perform worse (NTFS) seems to perform better than the 'better' one (ext4). This is unusual and should be checked instead.


    Zitat von ryecoaaron

    I can add a note mentioning that arm images are already optimized and if they are seeing slow speeds, they are probably using an RPi

    Good idea! :)

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