Q: recommendation for external USB disk

Bas Smeelen b.smeelen at ose.nl
Thu Jan 21 12:38:34 UTC 2010

Matthias Apitz wrote:
> El día Thursday, January 14, 2010 a las 01:40:26PM +0100, Bas Smeelen escribió:
>>>> I use Freecom hard drive XS 1.5TB USB2.0 on our fallback servers as
>>>> back-up disks.
>>>> These are always connected to the servers for over half a year now.
>>>> I have not had any problems with them and the price was ok.
>>>> da1 at umass-sim0 bus 0 target 0 lun 0
>>>> da1: <Freecom Hard Drive XS 1.00> Fixed Direct Access SCSI-2 device
>>>> da1: 40.000MB/s transfers
>>>> da1: 1430799MB (2930277168 512 byte sectors: 255H 63S/T 182401C)
>>>> /dev/da1s1d on /usr/home/www/backup (ufs, local, soft-updates)
>>>> This is on FreeBSD 7.2-RELEASE-p6
> I have had two hard locks of the kernel until now using this drive;
> the 1st while running the dump(1M) (a second dump went fine);
> the 2nd while uncompressing the 88 GByte file of such a dump;
> this is with
> FreeBSD current.Sisis.de 8.0-CURRENT FreeBSD 8.0-CURRENT #5: Sun Jan 10 09:55:14 CET 2010     guru at current.Sisis.de:/usr/obj/usr/src/sys/GENERIC  i386
> the 8-CURRENT is from CVS from May, 2009. Are there any know issues with
> USB drives on havy load?
I have been tarring, gzipping and untarring files on the usb disk and
don't run into any trouble.
I also used dump to backup /usr to this disk without any problems
But this is on FreeBSD 7.2-RELEASE-p6

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