On Sunday 18 March 2007 00:07, Mike Seda wrote:
Right. After the double migration, I verified the job with a small
restore... Everything seemed fine...
Nice. As I say, I wouldn't expect otherwise. The code that makes the new
backup and that does the restore is code that has existed for a long time
(not new code), so I expect it to be quite solid.
Kern Sibbald wrote:
On Thursday 15 March 2007 20:44, Mike Seda wrote:
Fyi, my double migration was successfull... First I ran a job called T2D
and then ran a job called D2T... Basically, I used a disk array as a
temporary storage between the two tape pools... This was necessary since
I only have one tape drive
It is nice to hear that migration is actually being used. You might try
a "test" restore from the final tape just to be sure. I don't expect any
problems, but with something new like this, it is always conforting to
have a
confirmation.
Kern Sibbald wrote:
On Saturday 10 March 2007 19:25, Mike Seda wrote:
Hi Kern,
My proposed method may be feasible, but do you recommend a more elegant
solution to accomplish a migration job between two different tape pools
based on the storage resources at my disposal? I just want to make sure
before I make the necessary changes to my SAN fabric.
I'm not the best person to make such recommendations since I am not
using
Migration in production as hopefully some people are. Perhaps someone
else from the list will have a better idea.
Regards,
Mike
Kern Sibbald wrote:
On Friday 09 March 2007 02:33, Mike Seda wrote:
Hi All,
I too have switched off a few machines lately, and wish to save their
last complete backup to an Archive pool. Basically, I want to migrate
a few jobs from my "Weekly" pool to my "Archive" pool. Fortunately, I
too have one last full backup in the system, but since I only have
one
tape drive migration is a bit tricky... I just wanted to run my
temporary solution by you before I implement it (btw, a second tape
drive is in our budget for next fiscal year):
1) Mount a 1 TB FC disk array (currently not being utilized) on the
bacula server
2) Tell bacula the array is of Media Type "File" (my tape library is
Media Type "Tape"), and put it in the "Disk" pool.
3) Do a migrate job from my "Weekly" pool to the "Disk" Pool.
4) Do a migrate job from my "Disk" pool to the "Archive" Pool.
Does this sound like a reasonable solution until I can spring for
another tape drive?...
Obviously migrating with only one tape drive is not optimal, but what
you describe sounds feasible. Be sure to mark the tapes you are
taking
offsite as Archive.
We will be very interested to hear how this double migration works for
you ...
Fyi, the array is fast (12 x 15 K FC disks in
RAID 5)...
Fyi, my setup is:
Dell PE 2650 (1 x 73 GB RAID 1, 1 x 450 GB RAID 0 )
Bacula 2.0.1 (400 GB of Data-Spooling configured to mitigate tape
shoe-shine, Current Pools=Weekly, Scratch)
RHEL 4 AS
Quantum PX502 (LTO-3, FC, 1-Drive)
Regards,
Mike
Alan Brown wrote:
I have a number of machines which have been switched off in the last
6 months and want to save their last complete backup to an archive
pool in order to both free up the main pool and to ensure there's
one
last copy of everything.
In some cases, there is one last full backup in the system, so all
that'd be required is a single jobID migration
In other cases, the migrated last full backup would have to be made
up of full+diff+inc
Does anyone have cookiecutter instructions for this?
If so, they should be added to the manual's Migration chapter.
AB
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