Garance A Drosihn wrote:
This assumes you're running 5.3-stable or 6.x-current. I am not
sure how well snapshots would work on 4.x-stable.
Not at all, unfortunately. snapshots are a UFS2 feature only available
in 5.x or above.
However, sys-admins have been making backups without the benefit of
Hello all,
I've decided to try doing a complete system backup, attempting a
bit-for-bit copy. A friend told me to try the following:
# dd if=/dev/ad4 of=/dev/ad6
Both drives are identical SATA150. Is this the best way? I'm hope to
be able to do a daily/weekly backup this way, and if my
On Jan 3, 2005, at 12:15 PM, Henry Miller wrote:
This might work, but it isn't best. I can think of the following
objections:
First, not all identical drives are identical. It isn't uncommon
for the factory to give slightly different sector counts for drives of
the same model, when something
Eric F Crist wrote:
On Jan 3, 2005, at 12:15 PM, Henry Miller wrote:
This might work, but it isn't best. I can think of the following
objections:
You have no protection at all while the copy is in progress. You have
overwritten part of the old backup, but not enough to be consistent.
You have
On Jan 3, 2005, at 12:46 PM, Andrew P. wrote:
Eric F Crist wrote:
On Jan 3, 2005, at 12:15 PM, Henry Miller wrote:
This might work, but it isn't best. I can think of the following
objections:
You have no protection at all while the copy is in progress. You
have
overwritten part of the old
At 11:57 AM -0600 1/3/05, Eric F Crist wrote:
Hello all,
I've decided to try doing a complete system backup, attempting a
bit-for-bit copy. A friend told me to try the following:
# dd if=/dev/ad4 of=/dev/ad6
Both drives are identical SATA150. Is this the best way?
While that will probably work,
At 1:03 PM -0600 1/3/05, Eric F Crist wrote:
On Jan 3, 2005, at 12:46 PM, Andrew P. wrote:
Eric F Crist wrote:
You seem to be under the impression that I'm doing this for the
sole reason of a disk crash. I'm actually doing it for more
than just that reason. For example, if my system gets hacked,
Eric F Crist [EMAIL PROTECTED] writes:
I've decided to try doing a complete system backup, attempting a
bit-for-bit copy. A friend told me to try the following:
# dd if=/dev/ad4 of=/dev/ad6
Both drives are identical SATA150. Is this the best way?
Not particularly. The primary
to
be able to do a daily/weekly backup this way, and if my primary drive
fails, switch the cables and just reboot.
There can be a few major problems in using dd for backup:
If the source is mounted then it can change during backup and lead to
a bckup that is not self consistent. At very least when you
