[ale] Copy of FS to PNY 32G USB Stick

JD jdp at algoloma.com
Fri Dec 19 19:55:20 EST 2014


USB2 is slow.
USB3 is not as slow, but you'll need to pay to get the 100MB/s versions.

I've had queuing problems with all USB - when more than 3 tasks are requested,
it used to get confused.  For me, USB is only for single-task storage - backups,
media, never for an OS (except during installation).

On 12/19/2014 04:15 PM, Chris Fowler wrote:
> I picked up a 32GB PNY USB stick off Amazon and decided to copy 22G of my
> development root onto it as backup. I develop on CentOS 5.7 in Ubuntu 12.04.
>  How? chroot into that tree.
> 
> I have rsync scripts I use to backup RPis and BBBs to a 1T USB SATA device.  I
> copied that onto the stick after I formated it ext3.
> 
> It was slow.  Dog slow.  My scripts are using options that would slow it down so
> I decided to do an initial seed using CP.  That took almost a day to do.
> Now the rsync script can get changes as I decide to.
> 
> I've never tried to copy a system that large to a USB stick .  I've coped files,
> but not that many.  The SATA 1T on USB is much faster.  It is just a 1T SATA
> drive in a sled.
> 
> Is that the nature of these USB sticks?  I'm just curious.


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