Re: [gentoo-user] LVM and moving things around

[Bill Kenworthy]

Rsync has a bwlimit argument which helps here. Note that rsync copies the whole file on what it considers local storage (which can be mounted network shares) ... this can cause a real slowdown.
BillK


On 3 April 2022 3:51:22 am AWST, Dale <rdalek1967@×××××.com> wrote:
>Dale wrote:
>> Howdy,
>>
>> I sort of started this on another thread but wanted to nail a few things
>> down first.  I'm wanting to encrypt some parts of my data on /home. 
>> <<< SNIP >>>
>>
>
>
>OK.  I looked into another hard drive but budget right now says no.  So,
>I went back to plan A.  I managed to remove the 6TB drive and it is now
>on it's own LVM thingy.  I've moved enough over to mount it and use it
>as my /home directory.  I'm in the process of copying other non-critical
>files over so I can move things around some more.  Anyway, I'm using
>rsync to copy things over.  It works great, can restart if I need to
>stop it etc etc but it has one thing that annoys me.  While it is
>copying things over, it makes my system slow to respond.  Once the cache
>in memory gets pretty full, it takes a while to switch desktops or for
>programs to show up when I do get to a desktop.  Seamonkey seems to be
>hit hardest with this.  I tried putting ionice in front of the command
>but it is still slow.  My CPU cores are a bit busy but nowhere near
>100%.  Most cores are switching from almost idle to around 40% at their
>peak.  If I added them all up, I'd say the total would average around
>10%, 20% at the very most.  I've got swapiness set pretty low and it
>isn't using swap according to gkrellm.
>
>Anyone have a idea how to make rsync not cause this problem?  Is there
>something besides ionice I need to use? 
>
>Thanks.
>
>Dale
>
>:-)  :-) 
>

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