A lot of factors play into that general estimate.
Type of save: Library vs stream files vs DLO's
Tape drive speed. And this is where your question may be concerned. Like, does a LTO7 spin and read from a LTO5 tape any faster than a LTO5 drive would?
System you're restoring to. That general estimate applies to the system it was restored from. I'm guessing you're looking at a system upgrade and then you start having to look at what you are restoring to. Drive speeds, processor, etc. Keeping in mind that it takes a beefy system to run some of these newer LTO drives at rated speed.
-----Original Message-----
From: MIDRANGE-L <midrange-l-bounces@xxxxxxxxxxxxxxxxxx> On Behalf Of Justin Taylor
Sent: Monday, March 18, 2019 8:59 AM
To: Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxxxxxxxx>
Subject: Restore time: LTO7 drive w/ LTO5 tape?
If I do a backup on an LTO5 drive with LTO5 tape and it takes 10 minutes. The general estimate is 1.5-2x for the restore (15-20 minutes). What about if I do the restore on an LTO7 drive?
I know there are a multitude of factors involved. I'm looking for a rough estimate for restore times. Can I still expect 15-20 minutes? Closer to 5 minutes or an hour?
TIA
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