Hi,
We've paid for an upgrade from LTO-1 to LTO-3 drives on a Storagetek L80
tape library.
This library was previously used with Legato NetWorker 6.x, running on a
Linux storage node.
The library is SCSI (LVD), not fibre (fiber) channel, and uses 4 LTO-1
drives. We recently upgraded
our primary server (Solaris) and storage node to 7.2.2. Until the
upgrade happens, the library is
only being used to read tapes, if necessary. We're using a separate SDLT
-2 library and another
storage node (Linux) to perform our regular nightly backups. The L80
library has 11 LTO-1 tapes in
it at this time.
*** My question is what steps should we consider before having
Storagetek come to do the upgrade? ***
Here are the steps I was considering:
1. Ensure that NetWorker 7.x communicates properly with the library as
it is now with its LTO-1 drives,
e.g. load, unload, recover data. Done - All OK.
2. Create a tar archive tape (junk data) using one of the drives.
3. Schedule upgrade with Storagetek
4. Shut down storage node when they arrive, and let them have at it.
If Storagetek needs to perform any read/write tests, we have plenty of
new LTO-3 media. If they need
to run backward compatible read tests, using older LTO-1 media, we would
have the tape made in step 2 above
that we could offer as a sacrificial lamb.
5. Reboot storage node to make sure it sees library and new devices
report properly.
6. Run various tools, e.g. inquire, sg_map, tapeinfo, loaderinfo, mt,
'cat /proc/scsi/scsi', sg_inq, etc. to make
sure everything looks reasonable.
7. Reconfigure library using jbconfig.
8. Re-inventory library and test read/writes to new media and some
recovers from older LTO-1 media.
9. Set /etc/stinit.def to include proper info for LTO-3.
Thanks in advance.
George
--
George Sinclair - NOAA/NESDIS/National Oceanographic Data Center
SSMC3 4th Floor Rm 4145 | Voice: (301) 713-3284 x210
1315 East West Highway | Fax: (301) 713-3301
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