[Info-vax] VMS - The new file system. What do we know about it?...
Scott Dorsey
kludge at panix.com
Fri Nov 11 14:01:43 EST 2016
Paul Sture <nospam at techchat.ch> wrote:
>On 2016-11-11, Simon Clubley <clubley at remove_me.eisner.decus.org-Earth.UFP> wrote:
>> On 2016-11-11, Phillip Helbig (undress to reply) <helbig at asclothestro.multivax.de> wrote:
>>> In article <o041pj$j9e$1 at news.albasani.net>, Jan-Erik Soderholm
>>><jan-erik.soderholm at telia.com> writes:
>>>>
>>>> So I guess that if/when you have these larger volumes, you
>>>> cannot any longer take full backups as disk backup savesets.
>>>
>>> Is that the best way to backup things today? Zip can handle large
>>> files. The advantages here are that it is much quicker to extract one
>>> or a few files than is the case with a saveset and also that they can be
>>> extract on other platforms. Recent versions of zip also allow for
>>> something like an incremental backup.
>>>
>>
>> Those backup savesets have redundancy built into them to allow
>> you to recover from some types of bad media or saveset corruption.
>
>IIRC zipfiles contain an index at the end of file, and if you can't read
>that the whole thing is toast.
Indeed. Damaged tar files are much more apt to have data recoverable for
that reason.
--scott
--
"C'est un Nagra. C'est suisse, et tres, tres precis."
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