Re: ssd/hdd question

2022-09-16 Thread Stephen Partington via PLUG-discuss
Hdd has the advantage in $ per GB. SSD has the advantage in speed per GB
and physical space.

M.2 is even more in this.

On Fri, Sep 16, 2022 at 3:20 PM T Zack Crawford via PLUG-discuss <
plug-discuss@lists.phxlinux.org> wrote:

> SSD is more expensive but faster. M.2 SSDs even moreso. SSDs can have
> sectors go bad if you rewrite over the same spot multiple times. With SSDs,
> you should "trim" or clean up when files are deleted. Not 100% sure about
> SSDs, but data will start to corrupt over time on an HDD (scale ~2 years)
> because of the strength of the magnetics of the particular portion of the
> drive decay over time. You can mediate this by dd-ing the drive onto itself
> periodically. HDDs are fragile to being knocked (magnetics and motor). If
> you want to archive data for a long time, I suggest you look into optical
> (100s of years but limited space) or tape e.g. LTO. LTO is good for ~15
> years with optimal storage conditions and is very cheap per TB if you
> already own a drive. Although transfer rate is slow and data is sequential.
> I own an LTO4 drive bought off ebay and tapes are ~20$ for 800GB. Optical
> and SSD is best for mobility. I often buy 2.5" drives and connect with SATA
> --> USB 3.0 which can be faster than a 5400rpm internal SSD directly wired
> sata to motherboard.
>
> Sep 16, 2022 12:08:52 Michael via PLUG-discuss <
> plug-discuss@lists.phxlinux.org>:
>
> Which is bette, and SSD or HDD?
> Which is more reliable? What is the downside of a SSD?
>
> --
> :-)~MIKE~(-:
>
> ---
> PLUG-discuss mailing list: PLUG-discuss@lists.phxlinux.org
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-- 
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rolling over and going back to sleep after you hit the snooze button.

Stephen
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Re: ssd/hdd question

2022-09-16 Thread T Zack Crawford via PLUG-discuss
SSD is more expensive but faster. M.2 SSDs even moreso. SSDs can have sectors 
go bad if you rewrite over the same spot multiple times. With SSDs, you should 
"trim" or clean up when files are deleted. Not 100% sure about SSDs, but data 
will start to corrupt over time on an HDD (scale ~2 years) because of the 
strength of the magnetics of the particular portion of the drive decay over 
time. You can mediate this by dd-ing the drive onto itself periodically. HDDs 
are fragile to being knocked (magnetics and motor). If you want to archive data 
for a long time, I suggest you look into optical (100s of years but limited 
space) or tape e.g. LTO. LTO is good for ~15 years with optimal storage 
conditions and is very cheap per TB if you already own a drive. Although 
transfer rate is slow and data is sequential. I own an LTO4 drive bought off 
ebay and tapes are ~20$ for 800GB. Optical and SSD is best for mobility. I 
often buy 2.5" drives and connect with SATA --> USB 3.0 which can be faster 
than a 5400rpm internal SSD directly wired sata to motherboard.

Sep 16, 2022 12:08:52 Michael via PLUG-discuss 
:

> Which is bette, and SSD or HDD?
> Which is more reliable? What is the downside of a SSD?
> 
> -- 
> :-)~MIKE~(-:
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ssd/hdd question

2022-09-16 Thread Michael via PLUG-discuss
Which is bette, and SSD or HDD?
Which is more reliable? What is the downside of a SSD?

-- 
:-)~MIKE~(-:
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