[lug] JBOD File Browser?

[Lori Reed]

On 09/16/2011 03:01 PM, Paul E Condon wrote:

> The -s option in cp allows one to copy a whole file structure to
> another disk, except that files in the copy are represented by
> symlinks to the original structure. This could be used to create a
> merge structure of symlinks wherever you wish. The two (or more)
> independent disks are not co-mingled. Creation of the merged structure
> of symlinks is very fast. Use the -u option, or not, to control which
> source disk is used in case of a name/date collision. Or add your own
> collision handling logic.

Thanks for your input, but that's not at all what I'm looking for.

Lori

> On 20110916_125500, Will wrote:
>> Lori,
>>
>>    JBOD is an acronym for Just a Bunch of Disks and is not a technology or
>> software package in and of its self.  I am not sure what your asking when
>> you ask if JBOD can span multiple disks as well?
>>
>>    As for the simplicity that you are afforded by keeping files from spanning
>> disks if your file system spans multiple disks either by concatenation or
>> stripping you still loose the entire file system if you loose a disk
>> regardless of if files span disks or not.
>>
>> On Fri, Sep 16, 2011 at 12:33 PM, Lori Reed<lorireed at lightning-rose.com>wrote:
>>
>>> On 09/16/2011 12:07 PM, Will wrote:
>>>
>>>> LVM can concatenate two drives into one file system but will not keep a
>>>> file from spanning the two drives.
>>>
>>> Thanks for that info. I thought that was the case, but couldn't find any
>>> documentation that said so. Do you know if that's also true of JBOD?
>>>
>>>   >  Why do you want the two drives to be
>>>> treated as one spanned entity but keep files from being able to span the
>>>> two?
>>>
>>> I knew someone would bite. Because that's what I want it to do. :)
>>>
>>> If files don't span drives, then each single drive is still simply that
>>> - a single drive, with all the simplicity that implies.
>>>
>>> And since 1.n TB drives are both cheap and readily available, and the
>>> biggest files I generally deal with at home are 4.n GB, by the time I
>>> have less than 4 GB on any single drive it's time to expand.
>>>
>>>
>>>> On Fri, Sep 16, 2011 at 11:58 AM, Lori Reed<lorireed at lightning-rose.com
>>>> <mailto:lorireed at lightning-rose.com>>  wrote:
>>>>
>>>>      Has anyone run across a file browser that could treat two or more
>>> drives
>>>>      (mount points, actually) as a single entity similar to JBOD but
>>>>      guaranteeing that no single file will ever span drives?
>>>>
>>>>      Or how about software that would allow two or more external drives to
>>> be
>>>>      mounted with a single mount point in a JBOD fashion?
>>>>
>>>>      Either nothing like that currently exists, or my Google-Fu has failed
>>>>      completely.
>>>>
>>>>      I have need of and am considering writing such a file browser, but
>>> I'm
>>>>      not sure I'm all that ambitious at the moment.
>>>>
>>>>      Lori