External HDD or SSD for backups?

Started 2 months ago | Discussions thread
rickpoole Senior Member • Posts: 1,193
Re: External HDD or SSD for backups?
1

When I got my 5 TB Toshiba internal drive a few years ago I also got two identical drives to use as alternating backups and a SATA USB 3.1 drive dock.  I use Genie Backup Manager Pro which makes it very easy to do mirror backups.  The first time I did backups to unused drives the backup drive was too hot to remove from the dock and I had to let it cool for 10 minutes.  Even doing a mirror backup to an existing backup drive sometimes got the drive too hot to handle.  So, I started putting a small fan right by the backup drive in the dock and it made a big difference - the drives were still quite warm but not too hot to handle as soon as the backups completed.

Eventually I noticed that Windows 10's default for removable drives is to disable write caching.  So, I did some research and found you can easily turn write caching on for a removable drive but you have to remember to eject the drive before you remove it from the dock less you loose data.  Turning write caching on and doing a full mirror backup to a freshly formatted drive dramatically reduced the temperature of the backup drive to the point it was just slightly warm after completing a mirror backup, plus it speed up the backups quite a bit.  So, theoretically by keeping the drives cooler they will last longer.

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