Seagate FreeAgent GoFlex 1.5TB external HDD problems

[maxim naumov]

root at muxx:/home/muxx # dd if=/dev/zero of=/dev/da0s1 bs=1M
dd: /dev/da0s1: short write on character device
dd: /dev/da0s1: end of device
767998+0 records in
767997+1 records out
805304231424 bytes transferred in 30699.477974 secs (26231854 bytes/sec)
root at muxx:/home/muxx #

no errors. this is the slice that had the filesystem on.

it looks like what breaks it is a particular sequence of operations.

/max