First time I’d come across “shingling”. Good explanation here:
https://www.reddit.com/r/DataHoarder/comments/57eosc/smr_drives_aka_archive_drives_a_word_of_caution/
Thanks Ken
Jez
On Wed, 1 Apr 2020 at 00:13, Ken Norton <ken@xxxxxxxxxxx> wrote:
> Tina (of the millions and millions of photos) Manley wrote:
> > I have two catalogs - the huge one for all of my archival photos, the
> > current one for this year's photos that I am still working on. That way
> I
> > have one sleek, fast, efficient catalog to work on and one slower but
> > completely searchable to find anything I need when I need it.
>
> This is a very realistic approach That makes a lot of sense. Mine is a
> bit more convoluted due to my more "portable" and "interchangeable"
> nature of my hardware, but still similar.
>
> My active catalog is on a portable USB 1TB Samsung SSD which I can
> plug into any of my computers. It's what I use for my initial card
> dumps and edits. The images are all stored in a directory
> /pictures/year/date separate from the catalog. The catalog and my
> current year is kept on the SSD and I copy both over to the big drives
> (5TB) for ongoing storage and backup. One of the drives stays put in
> my office and the other at home.
>
> When I want to do something with the older years (pre 2019), I have to
> use the big 5TB drive. However, if I'm working on a project that
> involves a lot of work on many files, or if I'm wanting to be
> ultra-portable, I'll copy that year's catalog and related pictures
> subdirectory over to the SSD. When done, I copy the catalog (and any
> photoshop files) back to the big drives.
>
> A side note on my drives... The SSD is formatted to be used on either
> MAC or PC, but each of the hard drives are specifically formatted for
> just MAC or PC. Although, I do have the ability to use the PC drive on
> the MAC, I find performance and reliability lacking--a sleep condition
> can corrupt the drive.
>
> Another side note about portable USB drives: The Seagate drives with
> shingling have excessive variability in performance. If you are JUST
> reading files, they're fast. If you are JUST writing files, they're
> usually fast (until the buffers are jammed up). If you reading AND
> writing image files (like using Lightroom most of the time), they can
> be a total disaster. It's not uncommon for the drive to just go away
> for 15 seconds at a time. This problem appears to be a problem only
> related to the shingling drives.
>
> An additional side note just because this needs to be TLDR. Best Buy
> has the WD Easystore 4TB available for $99.99. The Easystore drives
> lack only one feature of note and that's the password-protection.
> Otherwise, they are excellent drives and fast.
>
> AG Schnozz
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