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I would repeat my earlier comment that any media should be periodically retested, and its contents transferred if degradation is observed. J. Hartke Media Sciences, Inc. > -----Original Message----- > From: Association for Recorded Sound Discussion List > [mailto:[log in to unmask]] On Behalf Of Steven Smolian > Sent: Wednesday, February 23, 2005 11:37 AM > To: [log in to unmask] > Subject: Re: [ARSCLIST] Audio storage on external hard drives > > My original comments concerning using external hard drives for long-term > storage still hold. All responses here seemed about frequent short-term > usage. How will they work after not being used for, say, 15 years, a not > unusual period of time between placing audio into an archive and bringing > it > out for retrieval. I'm still dubious indeed. > > Anyone have experience firing up a computer after a 15 year period of > inactivity? > > Steve Smolian > > > > ----- Original Message ----- > From: "Richard L. Hess" <[log in to unmask]> > To: <[log in to unmask]> > Sent: Monday, February 21, 2005 8:26 PM > Subject: Re: [ARSCLIST] Audio storage on external hard drives > > > > At 06:12 PM 2/21/2005, Scott Phillips wrote: > >>Richard, > >> > >>..are you using RAID disk technology for storage, and if so , what RAID > >>level ? This certainly is a consideration.... > > > > Hi, Scott, > > > > Welcome to ARSC List! > > > > If I had more money, I would be using RAID, but the costs of doing that > > right now are higher than the approach I've taken. > > > > I use ViceVersa Pro to automatically sync the work folders that new > stuff > > goes in, and I use Ghost to grab a snapshot of the operating environment > > on > > each of the PCs. > > > > So, in essence, my system will be close to a RAID 1 (full mirroring), > but > > separated by two brick walls and 20 feet. > > > > Ideally, each of the two stores would be RAID 5, but that is much more > > expensive. > > > > I'm using a LaCie Ethernet Disk as my basic NAS box and I am trying to > > order a second without paying an arm and a leg penalty for being in > > Canada. > > They are 0.5TB native with two 250G drives in it. I have four Maxtor > 250GB > > "One Touch" external drives that will be two on each in the final setup. > > Right now, all four are on one LaCie and are being mirrored in that > > configuration. > > > > The nice thing about the Ethernet Disk is the firewire port. I can add a > > LaCie RAID array to it to replace the Maxtor drives at some point. > > http://www.lacie.com/products/product.htm?pid=10595 > > > > The Ethernet Disk itself is at > > http://www.lacie.com/products/product.htm?pid=10587 > > > > So, no, I'm not using RAID officially, just the concept of full > mirroring > > of one NAS store into the other. > > > > It's possible to lose things, but not much will get lost. The sync is > done > > nightly. Some items are cloned the first time to the mirrored store, but > > are not updated. Samplitude changes the date and time of some of the > files > > without actually changing the file. Since I edit in virtual mode or make > > new files when I edit WAV files, I don't ever do destructive editing on > > WAV > > files, the original version of each file name is kept in the second > > mirror. > > In this way, I'm guarding against corruption of the WAV file. I do the > > same > > with Nikon RAW images. I might lose my parameter adjustment, but I don't > > lose the raw capture. I also do that with JPEGs from the other digital > > cameras, so if someone edits and crops the image, I back that up in one > > place, but keep the original camera JPEG someplace else. > > > > So for audio, the VIP files (the virtual projects) will be cloned and > I'm > > looking into keeping a complete daily history snapshot of these as well. > > These are the ones that hold all the edits and they are small. > > > > It's all rather complex and rule based, but it needs to be. When one > > person > > is dealing with the IT from the audio business, finance records, email, > 2 > > kids' homework, image files from five digital cameras operated by four > > people, and soon a good slide scanner, the data just piles up. I can't > > afford to manage it manually, all I can do is monitor the automatic > > management. Oh, and the second LaCie won't have any public shares. I'll > be > > running ViceVersa Pro on it in "pull" mode and it will be a "dark box" > on > > the network other than my ability to remote desktop into it behind my > SPI > > hardware firewall. I'll either push stuff out of it if needed or set up > > one > > share to drop files into, but I think no share is better. > > > > I've spent about fifty hours this week on the backup. Nice thing about > > having the flu--everything else was too annoying. > > > > Cheers, > > > > Richard > > > > > > Richard L. Hess email: [log in to unmask] > > Vignettes > > Media web: http://www.richardhess.com/tape/ > > Aurora, Ontario, Canada (905) 713 6733 1-877-TAPE-FIX > > > > > > -- > > No virus found in this incoming message. > > Checked by AVG Anti-Virus. > > Version: 7.0.300 / Virus Database: 266.1.0 - Release Date: 2/18/2005 > > > > > > -- > No virus found in this outgoing message. > Checked by AVG Anti-Virus. > Version: 7.0.300 / Virus Database: 266.1.0 - Release Date: 2/18/2005