MrC Wrote:
Have you actually tried binary data diffs with large files?
...
And the storage required is almost as large and sometimes larger than
the file itself.
Have *you*?
I have never used rdiff-backup, but I have used xdelta.
Here is a simple non-scientific benchmark, although still
mherger Wrote:
And now tell me how you back up / restore your mp3 tags only. If this is
so obviously simple, I clearly must have missed it.
Bruce Hartley Wrote:
Yes please.
How do you back up tags with a checksum?
How do you restore tags with that checksum?
You make a md5 of the
clumsyoik Wrote:
Have *you*?
I have never used rdiff-backup, but I have used xdelta.
Here is a simple non-scientific benchmark, although still fairly
representative of the kind of diffs that would be generated in this
application.
This is using xdelta, which I believe to be pretty
MrC Wrote:
No need to get huffy.
Apologies if it came out that way. No offense intended.
Your test case is a trivial one, and does not show the problems
associated with larger changes in a file, but is probably
representative of what will occur with music files. Since only
metadata is
Yes all my raid systems do have a spare disk.
rsync has been very a very good solution for me. I do use it to backup
my laptop everynight. I do keep 2 versions of the archive.
As for the Data it's self on the server I am somewath paranoid. Limited
permissions for all users and only 1 user with
Thanks everyone - some good suggestions there.
Going RAID is probably overkill for me (and it'd be hard to justify
the expense to the 'Domestic Finance Director').
I did also think about buying something like a NSLU2 or Linkstation,
adding a wireless card and giving it to a neighbour. Then I
be had for around £15.
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of mflint
Sent: 11 November 2005 09:17
To: discuss@lists.slimdevices.com
Subject: [slim] Re: How to reliably/easily backup 100Gb of FLACs?
*snip*
Going RAID is probably overkill for me
max.spicer said the following on 10/11/2005 20:56:
Why?? You're not very likely to loose two drives simultaneously, are
you?
It's more likely than you think. I've lost several over the last 18 months.
This all sounds a bit over the top to me for a home music system
(or is it not a home
Welcome onboard, by the way. That's 3 York users now. Won't be long
before we can have Slim parties. Or maybe not. ;-)
Max
--
max.spicer
The wild things roared their terrible roars and gnashed their terrible
teeth
and rolled their terrible eyes and showed their terrible claws
but Max
klausbgva Wrote:
My approach to the very same problem.
After many test and trials. I am working on a really serious solution
fix that problem.
...
The next solution will be a SATA Raid 5 controller with up to 8
drives.
...
After that it will be synched with rsynch every day
Klaus
If
If backing up FLAC's it's not like another sort of backup - you only
ever need to backup a FLAC once.
I actually have 30 or so DVD's full of FLAC's I actually bothered
backing up.
But none of them are tagged, I didn't get round to that then. Now I
haven't backed them up again, just because a
mflint Wrote:
I did also think about buying something like a NSLU2 or Linkstation,
adding a wireless card and giving it to a neighbour.
Or two routers that can do VPN, give one to a friend, who can then be
pretty much anywhere where they have DSL or cable modems, and you could
send the stuff
clumsyoik Wrote:
For a really serious solution, you need to use something like
rdiff-backup, which will allow you to recover back to an arbitrary
point in time.
Have you actually tried binary data diffs with large files? This would
take ages for larger libraries! And the storage required
One small point about cost. RAID1 has the smallest buy in, but
$/MB is more expensive than RAID5 (as long as the R1 and R5 controllers
are about the same price.)
Finally a subject that's in my area of professional expertise, rather than hobbyist interest.On 11/11/05, Dan Goodinson
[EMAIL
On 11/11/05, clumsyoik [EMAIL PROTECTED] wrote:
What if a
virus/small child/hardware fault corrupts some of your data without you
realising? When it gets automatically rsync'ed to the backup, your data
is gone for good.
I use a system someone else already mentioned; external drive, USB
I still don't get why everyone is discussing backup tactics that would
apply to NORMAL *EVER CHANGING* data such as databases, documents
etc... If the actual *audio* in your files is changing then you're
doing something very strange.
Unless we've gone off topic I thought we were talking music,
If you lose your files.restore themrun routine over the
restored files to re-apply your CURRENT tags.
And now tell me how you back up / restore your mp3 tags only. If this is
so obviously simple, I clearly must have missed it.
--
Michael
Yes please.
How do you back up tags with a checksum?
How do you restore tags with that checksum?
--
Bruce Hartley
Bruce Hartley's Profile: http://forums.slimdevices.com/member.php?userid=33
View this thread:
Jetlag Wrote:
Occaisionally my girlfriend finds a couple of my songs that she wants me
to put on her iPod or I swap out the ones on my 256MB 'gym' MP3 player.
I encode these (MP3 AAC) from the WAV files. Lots of encoders handle
WAV, not to many handle FLAC.
Do you bother with tags? If
kolepard Wrote:
put a NAS or NAS RAID inside a fire-resistant gun safe. A lot of them
have electrical outlets insideAn interesting idea. Just curious, though ...
why would a gun safe have
an outlet inside?
--
Michaelwagner
On 11/10/05, Michaelwagner [EMAIL PROTECTED]
wrote:kolepard Wrote: put a NAS or NAS RAID inside a fire-resistant gun safe.A lot of them
have electrical outlets insideAn interesting idea. Just curious, though ... why would a gun safe havean outlet inside?How
much free airspace is in there? You'd
Well, you could always air condition the gun safe, but that
might be noisey, so you'd have to watercool the A/C.
Pretty soon you've spent more for the safe than you did
for your CD collection. :-)
On a slightly more serious note, the CDs are the ultimate backup, which
can be a problem as many of
A very good friend of mine (fellow computer and HT geek) uses the most
foolproof system I know of. He uses 2 hot-swap HDDs and keeps one in
his safe deposit box.
Since his Studio is directly across the street from his bank, at least
once per week he simply copies all of is data to the HDD,
I've got the makings of something very similar at home.
Even though I have a meagre collection of music, I've invested so much
effort into getting it just right (specifically all the tags) that I've
got the makings of quite a decent backup system.
2 80GB drives in a mirrored RAID array. I
My approach to the very same problem.
After many test and trials. I am working on a really serious solution
fix that problem.
Today I mirror the Data between 2 servers within the same rack.
I occassionally copy everything to 1 USB external dirve. But I will
reache soon the size where disks are
klausbgva said the following on 10/11/2005 19:59:
The next solution will be a SATA Raid 5 controller with up to 8
drives.
I recommend either RAID6 or, at the very least, have a hot-spare in your
RAID5 array.
R.
--
http://robinbowes.com
If a man speaks in a forest,
and his wife's not
Why?? You're not very likely to loose two drives simultaneously, are
you? This all sounds a bit over the top to me for a home music system
(or is it not a home music system?).
Max
Robin Bowes Wrote:
I recommend either RAID6 or, at the very least, have a hot-spare in
your
RAID5 array.
--
Personally, I back up to another machine.
Not perhaps the brightest, since they live in the same room, and
certain catastrophic failures (fire) would take them both out.
Most of my collection is also backed up on a USB hard disk. But I've
been lazy about keeping it up to date.
I think at one
I think at one point Sean (or someone from Slim) commented on putting
an old computer at a friends house with DSL or cable, running an FTP
server on it, and backing up to there. Probably not a bad idea.
If you go the internet way, use rsync instead of ftp. Can easily be
automated and won't
mflint Wrote:
DVDs: Would work, but would need somehow to keep track of those tracks
have been backed-up, and those that haven't. Ideally, this would be
semi-automatic: have something that magically recognises when there's a
fresh 4Gb of unarchived FLACs, then sends an email to say Hey!
mherger Wrote:
If you go the internet way, use rsync instead of ftp. Can easily be
automated and won't transfer full files if you eg. only change tags.
Exactly. You can even run rsync over ssl for better security.
Nicolas
--
nmizel
clumsyoik Wrote:
Here is my current system: I currently rip CDs to a 'new' folder (say
~/music/new). Whenever I have 4GB of files in there, I copy them to
~/music/nn where nn is 01, 02 etc. Then burn it as a DVD.
I like that. :-)
clumsyoik Wrote:
I'd have to probably re-tag quite a few
I figured the highest risk of data loss for me, was HD failure.
So I put all my audio files on a RAID1 Linux box, in the attic (out of
sight from thieves). Doesn't cover me from a virus deleting all my
files, or fire, but it's better than nothing. I figure if I have a
fire, I will have more
I went the other way as I figured it wouldn't be too bad once I got over
the pain of the initial backup. However, I've still not yet managed a
full backup of my data!
I decided to use pbackup.sf.net to do incremental backups of my data to
dvds. I use Nero's packet writer, InCD, to do the
Remember that modern hard drives are designed to be run all the time.
Spinning anything mechanical up and down actually does more damage than
leaving it on all the time. Thus a hard drive will be more reliable if
left on all the time.
As far as storage, I too use an external hard drive encloser
street_samurai Wrote:
If something truly terrible happens: fire, theft, act of god then at
least you still have your original CDs which you could re-rip. They are
the ultimate backup.
ss.
But are they?
One of the reasons I often wonder about when to seriously start backing
my stuff up is
street_samurai Wrote:
Remember that modern hard drives are designed to be run all the time.
Spinning anything mechanical up and down actually does more damage than
leaving it on all the time. Thus a hard drive will be more reliable if
left on all the time.
While this is completely true,
Jim said:
street_samurai Wrote:
If something truly terrible happens: fire, theft, act of god then at
least you still have your original CDs which you could re-rip. They are
the ultimate backup.
ss.
But are they?
One of the reasons I often wonder about when to seriously start backing
my
On my PC are all of my FLAC files along with the uncompressed WAV rips
(EAC=secure mode). Now I back up to an external Maxtor OneTouch II
300GB I got on sale. I used to have a server running but I am selling
my house, so had to make it look a bit more like a hoome and less like
space command.
Jetlag Wrote:
On my PC are all of my FLAC files along with the uncompressed WAV rips
Now I'm going to assume you have a valid reason to have both a FLAC and
a WAV of the same audio. If I'm not invading your privacy by asking, I
would be very interested why?
--
Jim
I have a boatload of free space on my PC (200GB), and that is with
thousands of digital photos and all of my music files. So not really
worried about it filling up anytime soon. I only use FLAC files for my
SB2 and Karma.
Occaisionally my girlfriend finds a couple of my songs that she wants
me
Since 300GB disks are selling for well under $100
its a no brainer decision for me. 100GB of data is going to
take 25 or so DVDs and that is a lot of disk shuffling
One interesting variation on this that I've read about is to put a
NAS or NAS RAID inside a fire-resistant gun safe. A
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