On Tue, Oct 09, 2001 at 09:27:01PM -0400, Justin Derrick wrote:
> While trying to back up a primary storagepool (5.2GB WORM) to a copy
> storagepool (100GB LTO), the process waits endlessly for 'mount points to
> become available' on both libraries, despite the fact that all the drives
> in both libraries are empty and online. Here's the questions, then all the
> gorey details.
>
> Here's the questions...
>
> Any idea what's causing the endless pause mounting the required
> platters/tapes?
probably the DEVCLASS issue explained below.
> LTO is undoubtedly better supported in 4.2 -- anyone have and comments on
> this combo? We're ordering a media kit, but would like to hear about
> people's experiences before jumping ahead versions on our production system.
I'd stay with 4.1 as there are a few AIX/LTO bugs in 4.2 (especially a nasty
LTO bug in 4.2.1.0)
> Is /dev/smc0 the device I should be using for the library? As you (might)
> read below, it worked for the audit library, so I'm inclined to think it's
> properly configured, but I also remember having a /dev/rmt1.smc device in
> the /dev directory as well.
yes /dev/smc0.
You haven't set your DEVCLASS to "ULTRIUM" or "ULTRIUMC". Read the
...README.SRV.txt
file for details.
Cheers, Suad
--
> I think that's it for questions... Here's the specs.
> I think that's it for questions... Here's the specs.
>
> AIX 4.3.3 on an RS/6k H80
> TSM 4.1.3 (where it first appeared) and later 4.1.4 showed the same problem.
> IBM 3995 C66 SCSI Optical Library (4 drives)
> IBM LTO (don't have the model # handy) 100GB autochanger with 6 slots and
> barcode reader
> Atape 6.0.4.0 driver
>
> Both device classes (for WORM and LTO) are defined with the appropriate
> number of mount points. Mountlimit is set (one on the LTO, four on the
> 3995), and has been switched between the actual number of drives, and the
> automatic setting 'drives' with no change in behaviour. The optical
> library otherwise works perfectly, and has been in production for some
> time. The LTO is the new addition for offsite backups, and while an audit
> library works (the autochanger moves the tapes around and verifies the
> labels on the tapes) I can't seem to get this 'backup storagepool' command
> working.
>
> Additionally, the LTO is defined using the 'generictape' device type, since
> 'LTO' as a type was only implemented in 4.2 and higher. Also, I'm using
> the device /dev/smc0 as the device address for the library (as I recall
> seeing in a readme file) since the 'TSM Devices' pane in smit doesn't
> appear to recognize the tape library as being supported.
>
> Another strange request though -- I'm very new to this mailing list, and
> see that there's quite a bit of traffic. If responses could be made
> privately, I'll send out a digest of the input from the group in 48 to 72
> hours, and as required afterwards, just to keep the traffic down to a
> minimum. As well as the obligatory summary and review of the problem and
> solution once it's finished.
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