Q: recommendation for external USB disk

Bas Smeelen b.smeelen at ose.nl
Thu Jan 14 12:40:56 UTC 2010

>> 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 ordered exactly this device.
> Your /dev/da1s1d let me think that you have created more than one
> partition...
> 	matthias
It's only one partition. I created it with sysinstall.

fb1:/ # fdisk /dev/da1
******* Working on device /dev/da1 *******
parameters extracted from in-core disklabel are:
cylinders=182401 heads=255 sectors/track=63 (16065 blks/cyl)

Figures below won't work with BIOS for partitions not in cyl 1
parameters to be used for BIOS calculations are:
cylinders=182401 heads=255 sectors/track=63 (16065 blks/cyl)

Media sector size is 512
Warning: BIOS sector numbering starts with sector 1
Information from DOS bootblock is:
The data for partition 1 is:
sysid 165 (0xa5),(FreeBSD/NetBSD/386BSD)
    start 63, size 2930272002 (1430796 Meg), flag 80 (active)
    beg: cyl 0/ head 1/ sector 1;
    end: cyl 1023/ head 254/ sector 63
The data for partition 2 is:
The data for partition 3 is:
The data for partition 4 is:
fb1:/ # bsdlabel /dev/da1s1
# /dev/da1s1:
8 partitions:
#        size   offset    fstype   [fsize bsize bps/cpg]
  c: 2930272002        0    unused        0     0         # "raw" part,
don't edit
  d: 2930272002        0    4.2BSD     2048 16384 28552

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