Results 1 to 4 of 4

Thread: Bootloader settings for additional SSDs.

  1. #1

    Default Bootloader settings for additional SSDs.

    Hi, a few years ago I took advise from this thread https://forums.opensuse.org/showthre...D-Partitioning and added this setting to the kernel parameters for my 120GB SSD

    Code:
    scsi_mod.use_blk_mq=1
    I am about to add a second SSD to replace my dying 2TB HDD that I used for data storage.So then I'll have 1 x 120GB SSD for system and /home plus the new 2TB SSD for /data partition.

    1. Will the existing kernel parameter cover the second SSD - should I change anything in the parameters?
    2. Do I still need that setting these days?
    3. Any other gotcha's I need to be aware of for multiple SSDs?

    Thanks.

  2. #2
    Join Date
    Jun 2008
    Location
    Podunk
    Posts
    31,474
    Blog Entries
    15

    Default Re: Bootloader settings for additional SSDs.

    Quote Originally Posted by kitman View Post
    Hi, a few years ago I took advise from this thread https://forums.opensuse.org/showthre...D-Partitioning and added this setting to the kernel parameters for my 120GB SSD

    Code:
    scsi_mod.use_blk_mq=1
    I am about to add a second SSD to replace my dying 2TB HDD that I used for data storage.So then I'll have 1 x 120GB SSD for system and /home plus the new 2TB SSD for /data partition.

    1. Will the existing kernel parameter cover the second SSD - should I change anything in the parameters?
    2. Do I still need that setting these days?
    3. Any other gotcha's I need to be aware of for multiple SSDs?

    Thanks.
    Hi
    It's the default these days so not necessary, for SSD's mq-deadline and can check via;

    Code:
    cat /sys/block/sda/queue/scheduler
    Change sda as appropriate for the block device.
    Cheers Malcolm °¿° SUSE Knowledge Partner (Linux Counter #276890)
    SUSE SLE, openSUSE Leap/Tumbleweed (x86_64) | GNOME DE
    If you find this post helpful and are logged into the web interface,
    please show your appreciation and click on the star below... Thanks!

  3. #3

    Default Re: Bootloader settings for additional SSDs.

    Quote Originally Posted by malcolmlewis View Post
    Hi
    It's the default these days so not necessary, for SSD's mq-deadline and can check via;

    Code:
    cat /sys/block/sda/queue/scheduler
    Change sda as appropriate for the block device.
    Ok, so you're saying I can remove this from the kernel parameters?

    Code:
    scsi_mod.use_blk_mq=1
    Ran this on my current SSD...
    Code:
    chris@asus-roc:~> cat /sys/block/sda/queue/scheduler
    [mq-deadline] kyber bfq none
    ...but what is it saying?

    I get a slightly different result if I run on my dying HDD on /dev/sdb

    Code:
    chris@asus-roc:~> cat /sys/block/sdb/queue/scheduler
    mq-deadline kyber [bfq] none
    ...with regard to [bfq] info.


    Thanks.

  4. #4
    Join Date
    Jun 2008
    Location
    Podunk
    Posts
    31,474
    Blog Entries
    15

    Default Re: Bootloader settings for additional SSDs.

    Quote Originally Posted by kitman View Post
    Ok, so you're saying I can remove this from the kernel parameters?

    Code:
    scsi_mod.use_blk_mq=1
    Ran this on my current SSD...
    Code:
    chris@asus-roc:~> cat /sys/block/sda/queue/scheduler
    [mq-deadline] kyber bfq none
    ...but what is it saying?

    I get a slightly different result if I run on my dying HDD on /dev/sdb

    Code:
    chris@asus-roc:~> cat /sys/block/sdb/queue/scheduler
    mq-deadline kyber [bfq] none
    ...with regard to [bfq] info.


    Thanks.
    Hi
    Yes, the option is no longer needed, remove and reboot and check again... that's correct bfq=rotating rust mq-deadline=ssd
    Cheers Malcolm °¿° SUSE Knowledge Partner (Linux Counter #276890)
    SUSE SLE, openSUSE Leap/Tumbleweed (x86_64) | GNOME DE
    If you find this post helpful and are logged into the web interface,
    please show your appreciation and click on the star below... Thanks!

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •