[vdr] Filesystem hierachy standard patch needs review.

Klaus Schmidinger Klaus.Schmidinger at tvdr.de
Sun Apr 8 13:02:59 CEST 2012


On 08.04.2012 12:45, Steffen Barszus wrote:
> On Sun, 08 Apr 2012 11:54:21 +0200
> "Manuel Reimer"<Manuel.Reimer at gmx.de>  wrote:
>
>> Klaus Schmidinger wrote:
>>> This method may have been useful in the old days where large
>>> harddisks were unavailable or hard to come by. Now we're living
>>> in the age of terabyte disks, and setting up a VDR with 1TB of
>>> video storage (even using a second disk to have a RAID-1 for
>>> data safety) os no big deal any more.
>>
>> Especially with HDTV the amount of disc space, used for recordings,
>> also got bigger.
>>
>>> Isn't LVM the keyword here?
>>
>> No. It is virtually impossible to just merge in a second disc if the
>> first already has data on it and hasn't been set up as LVM physical
>> volume on first install.
>>
>> You would have to move all data to another disc to set up the first
>> VDR disc from scratch with LVM. After setting up, all data has to be
>> copied back. I think it requires several hours to set that up. With
>> the VDR multiple disc feature, I just install the new disc and mount
>> it -->  Setup done.
>>
>> Another big disadvantage of LVM is, that it is nearly impossible to
>> restore data of one of the LVM discs, if only one disc is available.
>> Means: If one disc dies, all recordings are gone.
>>
>
> Try mhddfs - the only thing it misses from vdr behaviour (if
> partition size is chosen well) is to put the small files on another
> harddisk, then the bigger files (i.e. put index and info on 00 and
> all the rest somewhere else).

Now that sounds like a very good alternative!
I'd say this puts the final nail into this VDR feature's coffin ;-)

> Knowing the history of bugs on that part (also, but not only in vdr
> core) its a wise choice to drop support for it (i say that even if i'm a
> user of that feature and like it a lot !)

Well put ;-)

BTW: let's not hijack this thread any longer (sorry for doing this initially).
This is about the FHS patch, so let's hear ACKs or NACKs for that.

Klaus



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