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тАО07-28-2004 09:46 AM
тАО07-28-2004 09:46 AM
if I initialize a disk as ODS-5 can I do an image restore from an ODS-2 disk(w/NOINIT) or do I have to restore as an ODS-2 and convert after?
Really any feedback about use of ODS-5 disks would be appreciated.
Solved! Go to Solution.
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тАО07-28-2004 12:34 PM
тАО07-28-2004 12:34 PM
SolutionWe have been using ODS-5 disks for a while
now and have seen no problems.
Yes you can initialize a disk as ODS-5 and then
restore an image backup of an ODS-2 disk (with
/NOINIT).
The only "issue" we have seen is in development
when you set your parse style to extended and
forget to set it back to traditional -- some
commands don't work as expected. We have seen
NO problems in our production environments.
Regards
Dave
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тАО07-28-2004 02:24 PM
тАО07-28-2004 02:24 PM
Re: Using ODS-5 disks
only two minor issues.
If you use tar to unpack archives on ODS-5 disks it will recreate the files with the original names (e.g. several dots) and other applications might not be prepared to handle this. Use -o resp /ODS2 to force conversion to ODS2 like names.
Also I seem to remember that older versions of Zip had problems creating archives using [...] syntax for the input files on ODS-5 disks.
Greetings, Martin
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тАО07-28-2004 05:20 PM
тАО07-28-2004 05:20 PM
Re: Using ODS-5 disks
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тАО07-28-2004 08:29 PM
тАО07-28-2004 08:29 PM
Re: Using ODS-5 disks
Pathwork works better.
Antonio Vigliotti
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тАО07-29-2004 07:23 AM
тАО07-29-2004 07:23 AM
Re: Using ODS-5 disks
Of course that makes the decision harder since I can stay with ODS-2. Right now I'm leaning towards going to ODS-5 since there doesn't seem to be a lot of issues. That way I prepared as products require ODS-5 like Oracle.
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тАО07-29-2004 07:36 AM
тАО07-29-2004 07:36 AM
Re: Using ODS-5 disks
That can be a problem if your system disk is on a fibre channel attached disk. I have seen version conflicts were I could not mount an MSA1000-provided disk while I had booted from CD-ROM - I needed a patched-up VMS version on a local SCSI disk. Keep this in mind for restores, too.
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тАО07-29-2004 09:33 PM
тАО07-29-2004 09:33 PM
Re: Using ODS-5 disks
If you would so wish, there is no issue at all in staying with ODS-2.
Ever since VMS 7.2 we initialized all our new disks ODS-2 with clustersize=4, gradually phasing out old, smaller disks.
Not a single problem with that.
Jan
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тАО07-30-2004 09:34 AM
тАО07-30-2004 09:34 AM
Re: Using ODS-5 disks
Some old version of a deframenting product that does not support ODS-5 disks could be a problem.
You might have software that could break when it can not handle mixed-case filenames or deep sub-directory trees.
I have had no problems with Oracle, vmszip, or other utility programs on OpenVMS v7.2-1 through v7.3-1
Jim, Alameda, CA, USA
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тАО07-30-2004 03:16 PM
тАО07-30-2004 03:16 PM
Re: Using ODS-5 disks
one more thing, since Advanced Server was mentioned. At least with a bit older versions of AS while it was recommended to have the data disks on ODS-5 the application itself should reside on an ODS-2 disk. Not sure if this is still true with the lates 7.3A ECO3, I suggest to check the release notes.
Greetings, Martin