Hi Josh (and others)!
Thank you very much for writing!
>Yes, it is possible to mount USB drives at specific mount points. See
>man fstab-sync. Basically, you must place a device information file in
<snipped>
Thank you. I had looked at several "autofs" man pages, but I hadn't
thought about fstab stuff. I'll consider it. One is SimpleTech (400GB)
and the other is Western Digital (320GB), so right now, vendor and model
number are both quite different.
>As for using them with bacula, why not simply plug in only one of them
>at a time and let them both be mounted at the same mount point?
Well, I am considering that. In fact, that's what I did -- this
week. Here's my schedule:
<<>>
Name = "WeeklyCycle"
Run = Full 1st sat at 1:05
Run = Differential 2nd-5th sat at 1:05
Run = Full 1st tue at 1:05
Run = Differential 2nd-5th tue at 1:05
Name = "WeeklyCycleAfterBackup"
Run = Full 1st sat at 2:10
Run = Differential 2nd-5th sat at 2:10
Run = Full 1st tue at 2:10
Run = Differential 2nd-5th tue at 2:10
<<>>
You'll see I have a full backup scheduled for the first (now)
Saturday and Tuesday of the month, and differential afterward. The first
time I did a backup in October, it was late enough that a differential was
scheduled, but it said differential upgraded to a full. (Just as the
manual says it will do.) After that, it was differential, and it looks to
have done very well. Then, a full backup was done the first Saturday of
November.
I just used the newer Western Digital drive for the first time, this
week. Tuesday, a differential was done. Period. From my understanding,
at this time, I'm thinking that was done because the MySQL shows that a
full backup was done -- to the same pathlist (/media/usbdisk) -- this
month. Although, this full backup is not located on the USB disk that was
used Tuesday morning.
So, right now, the Western Digital only has one differential file and
catalog backup. If I don't do one beforehand, though, it's only a couple
of weeks before a full will be done to it, because it will be the first
Tuesday of December.
You're question actually helped me. Remember, I'm brand new to
bacula. I didn't *think* it would be a problem, but I wasn't sure whether
having two different devices, but on the same pathlist, would work well.
Your question helps me to presume that it isn't just me that feels that
this is an okay approach.
Right now, that is exactly what I'm doing. *Only* the SimpleTech is
turned on, Saturday morning. And, only the Western Digital is turned on,
Tuesday morning. So, whichever one is turned on is on the pathlist
/media/usbdisk and has the drive name /dev/sdc1.
I'm thinking this will likely be how I continue doing it, at least
for right now. My main purpose for this is, if I lose one device, I still
have another -- completely separate -- device which will still have a
backup -- within the last week. (Once I have a full as well as potential
differentials on the Western Digital, I'll have it there, too.) This does
accomplish my purpose, so far as I see right now.
I am open to whatever suggestions you or anyone else have to offer!
:-) Thank you!
Barry
--
Barry L. Bond | http://home.cfl.rr.com/os9barry/
Software Engineer, ITT Industries | (My personal home web page, last
| updated February 17, 2005)
|
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