[Nottingham] scp on the go slow?
Martin
martin at ml1.co.uk
Tue Feb 5 10:23:38 UTC 2013
On 05/02/13 09:39, Jason Irwin wrote:
> Last night I started a back-up (65GB of tarred-up, compressed goodness)
> to a USB drive. ...
USB drive thrashing as the filesystem fills up?
Most USB drives have 1MByte or even 4MByte erase blocks, whilst
filesystems write in 4kByte pages...
Sounds like write amplification slowdown...
To test your network, scp to dest.host:/dev/null to see if the speed
stays up or not.
Good luck,
Martin
--
- ------------------ - ----------------------------------------
- Martin Lomas - OpenPGP (GPG/PGP) Public Key: 0xCEE1D3B7
- martin @ ml1 co uk - Import from hkp://subkeys.pgp.net or
- ------------------ - http:// ml1 .co .uk/martin_ml1_co_uk.gpg
More information about the Nottingham
mailing list