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LTO tape usage (modern tape drives)

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cncjerry:
1) Anyone ever get amanda working with LTO under windows native? 
2) I had heard quantum or maybe an ultrium site has the windows LTfS code for free download?  I would like to try it under windows native.  I looked and didn't find anything that didn't require a support password.
3) as in 2, above, is there native backup software under windows that support LTO for free?  I've tried zdatdump but it is non-standard.  I want something i can run under windows or linux.

I've been using cygwin/tar under windows and tar under linux on my cloud.  It works but I would like to get to incremental backups instead of full dumps to LTO tape.  I also want to test LTFS.  I need to cut my power consumption on my cloud server.  I have 46TB of mostly 3TB sas drives spinning and my power for the server and 10gb network is over $100 per month. I've not been able to justify any other storage options to cut power other than tape.

thx, jerry

Hogwild:

--- Quote from: cncjerry on May 26, 2024, 12:47:30 pm ---1) Anyone ever get amanda working with LTO under windows native? 
2) I had heard quantum or maybe an ultrium site has the windows LTfS code for free download?  I would like to try it under windows native.  I looked and didn't find anything that didn't require a support password.
3) as in 2, above, is there native backup software under windows that support LTO for free?  I've tried zdatdump but it is non-standard.  I want something i can run under windows or linux.
thx, jerry

--- End quote ---

Which LTFS code are you talking about? Are you talking about the drivers? I'm guessing the drivers are built into LTFS (AKA Spectrum Archive) Single Drive Edition.

https://www.ibm.com/docs/en/spectrum-archive-le?topic=system-downloading-ltfs-tools-windows

https://www.ibm.com/support/fixcentral/swg/downloadFixes?parent=Tape%20drivers%20and%20software&product=ibm/Storage_Tape/Long+Term+File+System+LTFS&release=2.4&platform=Windows&function=fixId&fixids=IBM_LTFS_Single_Drive_Edition_for_Windows_2.4.5.1_10503&includeRequisites=1&includeSupersedes=0&downloadMethod=http

In case you want to use IBM's Spectrum Archive backup software, here are some good Docs:
https://www.spectrumscaleug.org/wp-content/uploads/2019/05/SSUG19UK-Day-2-B05-Tiering-to-tape-with-IBM-Spectrum-Archive.pdf

This video shows you how to get LTFS SE source code:



And, more importantly, here's a pic. of a full height drive with see through case cover (giggle)


At first I thought it was kind of frivolous, but when you think about it, it could actually help you to see what's going on in the drive for troubleshooting purposes.

cncjerry:
thanks for the  links.  I'll see if I can get spectrum running. 

Interesting approach to tape case.  I keep wondering about filtered air because the drives need some movement.  On my tandberg changers, the air comes in the back and exits the front, same as on the LTO5 in my deskside.  I see some dust in there but don't get any errors.  Can your PC feed the LTO6 at full-speed?  I can feed LTO5 as long as the blocksize is greater than about -b 700 with tar

I see you went to LTO6, Hogwild, I was thinking about upgrading one of the drives in a changer to LTO6 but the tapes are pricey.  It takes three LTO5 to backup my primary ZFS raid I call 'bucket' but it is unattended as it unloads and reloads the next tape in the sequential slots. 

thanks again.

Hogwild:
Nah, I'm just an NPC (non-player character) at the moment. The last drive I had was an LTO-3, and that was years ago.

Right now, I'm hunting for a used drive, possibly one of the mlogic MTape models with Thunderbolt 2 or 3. I don't need blinding speed, as I only need to backup a couple of simple desktop PCs.

I never buy tapes retail. I buy them at very reduced prices on eBay or at a corporate IT surplus place not too far from me.

cncjerry:
I think the best LTO value is LTO-5 because it has LTFS and decent capacity of 1.5TB native.  I buy the tapes new for $68 for a pack of 10.  I've bought 10 new Quantum tapes for $5 per recently.  The last LTO-5 drive I bought was like new for $125 including shipping.  I was able to slip it into a Dell T-410 I have as a primary workstation.  It's old but has dual processors about 24 cores.  The server is a Dell now but I used DL380s until the electric bill ran up.  The biggest power hog I have is the 10Gig switch as I ran fibre between my primary work areas.  It sucks 120w and that works out to $32 in power a month for switching.

I tried downloading Spectrum from IBM but I had to make an account as even though I worked for them for 25yrs, my old ID was retired I guess.  The verification email never came thru so I'll have to keep trying.

thx again,

Jerry

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