[CentOS] Write to USB pendrives horribly slow

Ljubomir Ljubojevic office at plnet.rs
Wed Jan 11 15:31:43 UTC 2012


On 01/11/2012 08:45 AM, wwp wrote:
> Hello John,
>
>
> On Tue, 10 Jan 2012 08:57:14 -0800 (PST) John Doe<jdmls at yahoo.com>  wrote:
>
>> From: wwp<subscript at free.fr>
>>
>>> I wonder if some mount options aren't wrong with USB pendrives, see:
>>>    /dev/sdd1 on /media/monolith type vfat
>>> (rw,nosuid,nodev,uhelper=udisks,shortname=mixed,dmask=0077,utf8=1,flush)
>>> my suspicion is about the flush option, which I find atypical here.
>>
>> I guess it is to be safe in case users remove their usb keys without
>> unmounting first...
>
> OK, meaning no write-cache for those devices, makes sense in some
> way. But this doesn't explain the main issue I reported, although I
> didn't find a way to change the default mount options used by Gnome
> (gconf settings don't match those that are used).
>
>

Do you have ehci_hcd module running?

Do you have any error messages in dmesg after you plug it in?


-- 

Ljubomir Ljubojevic
(Love is in the Air)
PL Computers
Serbia, Europe

Google is the Mother, Google is the Father, and traceroute is your
trusty Spiderman...
StarOS, Mikrotik and CentOS/RHEL/Linux consultant



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