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2001-07-21 Thread John Young

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Press Release

2001-07-21 Thread Sugarpine . Sierra . West

For Immediate Release
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AIX/HACMP/SSA

2001-07-21 Thread Bernhard R. Erdmann

Hi,

has anyone some experience using Amanda on AIX clusters using HACMP and
volumes residing on a SSA subsystem?



Re: Estimates taking a long time.

2001-07-21 Thread Marc SCHAEFER

Colin Smith <[EMAIL PROTECTED]> wrote:

> I'm running backups on 3 Linux systems, one of the systems is a Cobalt
> Qube. All the backups are done using GNU tar. It works OK but the

try remounting those fs noatime during estimates:

   mount / -o remount,noatime




Re: Single-tape unit, multiple tapes per backup? (newbie)

2001-07-21 Thread John R. Jackson

>I am pretty new to Amanda ...

Welcome!

>I have a single-tape SCSI unit (DDS-2).  I want to be able to backup
>more than ~5GB per run.  ...

Keep in mind that a single backup image (i.e. the dump of one file system)
cannot span a tape (yet), so you have to keep their size to under ~5GB.

>Is there not a way to get Amanda to somehow
>stop at the end of a tape, email a request for another tape, and then
>continue when the tape has been changed?

You want chg-manual.  This uses a human to emulate a tape changer.

Set tpchanger to "chg-manual" in amanda.conf, and set "changerfile" to
the path of a set of files the changer will maintain.  For instance,
if you set it to "/etc/amanda/changer", the changer will create and
update /etc/amanda/changer-clean, /etc/amanda/changer-access and so on.

And if /etc/amanda/changer (no suffix) exists, it will be sourced into
the script, which lets you override the request() function.  That is what
the script uses to request a new tape, so you can have it do whatever
you need.  The script has an example in the comments of using E-mail.

>--Dan

John R. Jackson, Technical Software Specialist, [EMAIL PROTECTED]



Re: How to set correct access rights?-

2001-07-21 Thread Christoph Sold



"John R. Jackson" schrieb:
> 
> >The syntax in .amandahosts
> >DIFFERS from .rhosts in that you have to specify one user per line.
> 
> I just looked at the code and ran a couple of tests and don't see
> a difference.  According to the docs I have, .rhosts allows one (and
> only one) optional username on each line:
> 
>   hostname [username]
> 
> That's exactly what .amandahosts does as well.  If you leave off the
> username, it defaults to the Amanda user (the one it is running as from
> inetd/xinetd).

This is different from .rhosts: If you leave off the username, it will
accept any user.

> So what was it in your .amandahosts file that didn't follow this pattern?

Exactly. Reading the .rhosts manpage, I assumed any user would be
accepted if I put only hostnames in there.

> As I recall, it was just a list of host names without username fields.
> Are you running a different user on the client and server?

In fact, FreeBSD used until recently another default user. The backup
server uses "operator:operator" as amanda user/group, while the (older)
clients still utilize the "backup:operator" user. Thus,
interoperatibility stopped after upgrading the backup server (for
unrelated reasons).

Thanks for all the explanations and your help
-Christoph Sold



Re: Adaptec 2944, aic7xxx, 2.4.5-ac16 => Scsi errors?

2001-07-21 Thread John R. Jackson

>   Jul 19 02:10:46 byerhope kernel: (scsi0:A:3:0): Unexpected busfree in 
>Data-in phase
>...
>Has anyone any thoughts on what to look for?

Ummm, maybe a Linux mailing list?  :-)

I suspect you need to talk to the kernel driver writers and find out
what this really means.  It's way too deep to be an Amanda issue (other
than Amanda happens to be doing application level I/O).

Having said that, though, all the normal SCSI issues come up:

  * Do you have exactly one (no more, no less) termination on the chain
and is it at the end of the chain?

  * Do you have a mix of wide and narrow devices on the chain, and if
so, are they in the proper order (as I recall, all the narrow devices
need to be at the end)?

  * Have you checked the cables to make sure they are seated properly?

  * Have you checked the controller board to make sure it is seated
properly?

>Chris Ritson

John R. Jackson, Technical Software Specialist, [EMAIL PROTECTED]



Re: dumper fails: "data write: Invalid argument"

2001-07-21 Thread Frank Strauss

Hi!

John R Jackson writes:

>> It's a Solaris 2.5.1 box. I didn't specify any chunksize, so my
>> thinking was that the default of 1 Gb is fine. 

John> It should have been.  You might set it explicitly just to be
John> sure.

I'll try that.

John> You might also check the ulimit values (and maybe the disk
John> quota) for your Amanda user to make sure you're not banging into
John> that kind of problem.

Ok, I'll check that, although my amanda user is root (probably not the
best idea) and I didn't explicitly set any limits.

>> However, thanks for the pointer! I'll play with a smaller chunksize,
>> especially a chunksize smaller than the `use - xxx Mb' value...

John> The "chunksize" and "use" values are not related, and
John> "chunksize" certainly does not have to be smaller than "use".
John> The "use" value determines how much total space Amanda has to
John> work with in the holding disk.  The "chunksize" value tells it
John> how to split apart a single image.

That's how I did understand the manual, as well. I was just thinking
that there might be a problem with concurrent dumpers writing to
the holding disk and the negative notation of the `use' parameter.


Probably my next attempt will be to attach strace to a running dumper
for a filesystem that I `expect' to fail and concurrently observing
the holdingdisk space.

 -frank