Can you please expand on what you mean by " hard drive thrashing " when running operating systems and " videos are too intensive for hard drives "
I thought hard drives where magnetic media on which information is stored, how are they thrashed simply by doing the job they are designed for.
I thought hard drives where magnetic media on which information is stored, how are they thrashed simply by doing the job they are designed for.
First, I can't understand what is thrashing. (UK English)
Hard disk don't like if you to hit it with a stick.
I thought, it is obvious.
Then searched:
What is disk thrashing? Webopedia Definition
Yes, agreed, hard disks don't like excessive work. (Just as me.)
There is a citation from above study:
"For completeness, we also considered the impact of
average disk utilization on lifetime, but found no correlation.
This is consistent with prior work, e.g. [25]."
Bear in mind datacenters designed, in such a way as to avoid that excessive work of hard disks.
But if you have a Home PC say with 1GB RAM, and you plays video and run several backround processes, hard drive trashing will occur.
Memory swapping ( or caching) is a main case in this situation.
It will slow down your PC as well.
Moreover I assume datacenters uses Enterprise Class HDDs:
http://download.intel.com/support/m...e_class_versus_desktop_class_hard_drives_.pdf
Regards,
Gyuri
Hard disk don't like if you to hit it with a stick.
I thought, it is obvious.
Then searched:
What is disk thrashing? Webopedia Definition
Yes, agreed, hard disks don't like excessive work. (Just as me.)
There is a citation from above study:
"For completeness, we also considered the impact of
average disk utilization on lifetime, but found no correlation.
This is consistent with prior work, e.g. [25]."
Bear in mind datacenters designed, in such a way as to avoid that excessive work of hard disks.
But if you have a Home PC say with 1GB RAM, and you plays video and run several backround processes, hard drive trashing will occur.
Memory swapping ( or caching) is a main case in this situation.
It will slow down your PC as well.
Moreover I assume datacenters uses Enterprise Class HDDs:
http://download.intel.com/support/m...e_class_versus_desktop_class_hard_drives_.pdf
Regards,
Gyuri
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So models specified for 24/7 use for surveillance like these should be more reliable?🙄
Western Digital US Online Store - Products
Forget it. Surveillance again is another category.
There isn't much random write/read cycles, (seeks) which is specific in PC environment.
There are much sequential writes, with occasional sequential reads. (While sequential writes is going parallel.)
But for media server appliances for sequential reads it may be appropriate.
I also use some of them.
But again, as you feel it, (and experienced) the most important feature of hard disks, they will fail sooner or later. And SSD also.
Although there are enterprise category also, perhaps these are more reliable.
I would recommend to you, say this one:
Intel Fultondale 3 DC P3600 2.5" 2TB PCI-Express 3.0 MLC Solid State Drive - Newegg.com
You can buy a dozen of these, do spare disks with RAID 50, and the problem is solved. 😉
Gyuri
There isn't much random write/read cycles, (seeks) which is specific in PC environment.
There are much sequential writes, with occasional sequential reads. (While sequential writes is going parallel.)
But for media server appliances for sequential reads it may be appropriate.
I also use some of them.
But again, as you feel it, (and experienced) the most important feature of hard disks, they will fail sooner or later. And SSD also.
Although there are enterprise category also, perhaps these are more reliable.
I would recommend to you, say this one:
Intel Fultondale 3 DC P3600 2.5" 2TB PCI-Express 3.0 MLC Solid State Drive - Newegg.com
You can buy a dozen of these, do spare disks with RAID 50, and the problem is solved. 😉
Gyuri
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I am missing the smiling face qualifier here. A 3k USD PCIe drive for HTPC 🙂
GDO, just get any regular drive (perhaps not the WD DM00X - look at https://www.backblaze.com/blog/hard-drive-reliability-q4-2015/ and their previous quarterly reports ). Get another drive (from a different manufacturer at best, but not critical) and script a regular backup to external copy (e.g. weekly, if you can afford to loose a week of latest data). USB enclosure will do OK.
You will be just fine. HTPC puts no extra load on your drives. If you experience swapping, just put more RAM into your machine. It is dirt cheap these days.
Noted, thanks, like this better than putting a fan!
As I have recently learnt to use cron to reset brutefir every 3 hours to avoid sync issues owing to using different domain clocks, so ok, i might add another line to the crontab to automatically back up...when have something to backup again though...😛
Actually, I thought a dozen of those nice drives, in some very decent RAID configuration.😀😀😀😀😀😀😀😀😀😉😉😉
It will be good???😀😀😀😀😀😀😀😀😉😉😉
Yes external USB drives are acceptable, in price, at least.
For speed, it is not bad if there is external SATA.
My very serious opinions are:
One backup is not a backup.
When I make a backup copy then I compare it for original, bit to bit.
External drives can be damaged easily. (if you dropped it, leave it on burning sun, etc...)
You are the smartest enemies of your own data.
Some viruses also.
For example my photographs are on three different disks at least, maybe more.
It is also can cause some trouble.😀😀😀😉😉😉
I really do not know what's wrong with the fans, other than noise, which can be minimised.
It will be good???😀😀😀😀😀😀😀😀😉😉😉
Yes external USB drives are acceptable, in price, at least.
For speed, it is not bad if there is external SATA.
My very serious opinions are:
One backup is not a backup.
When I make a backup copy then I compare it for original, bit to bit.
External drives can be damaged easily. (if you dropped it, leave it on burning sun, etc...)
You are the smartest enemies of your own data.
Some viruses also.
For example my photographs are on three different disks at least, maybe more.
It is also can cause some trouble.😀😀😀😉😉😉
I really do not know what's wrong with the fans, other than noise, which can be minimised.
Well, in this case the automation should be accompanied by a manual procedure of connecting the external drive first. I would strongly suggest to keep the backups offline. If you really value your data, use two drives and rotate them. This way one copy will always be offline and a voltage surcharge/software/user error cannot wipe all your copies at once. It costs only two extra drives...
someone asked about SSD (or USB flash drive, thumb drives ) for archiving data (nope don't do it) https://www.google.com/?gws_rd=ssl#q=usb+solid+state++drives+for+archiving+data
IMO cheaper TLC SSDs are the pits (bad) >the memory states are becoming more fragile and may drift off the drives stored firmware map.(or many more fet cell voltages to track)
IMO cheaper TLC SSDs are the pits (bad) >the memory states are becoming more fragile and may drift off the drives stored firmware map.(or many more fet cell voltages to track)
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For archiving purposes I exclusively uses normal HDDs.
They are cheap with high capacities, then I put them in the drawer or box or something.
I also don't recommend USB sticks.
These are mortal ones.
They are cheap with high capacities, then I put them in the drawer or box or something.
I also don't recommend USB sticks.
These are mortal ones.
So you hate the PC master race?
PC, tablet, smartphone, rpi, all the same... They have exactly the same functions, only the OS is different. By the way, rpi as not a PC experience?
Then you must have a strange description of PC experience? Did someone hit you with one?
You really speak like someone who doesn't understand how PC works hates PC because you don't understand how it works.
By the way WD RED is for NAS and constant usage.
SSDs have a fast retrieve time and as there are no moving parts, there is nothing to wear out. Bearing in mind data is retrieved from the hdd in chunks and stored in the RAM where it is clocked out at the right speed. The hdd is not working all of the time just like a mini disc player.
I have used SSD for many years and except from when my laptop lost power and couldn't find any SSDs, I have not had a problem. To get the SSD to show again in the bios, power it up and leave it for at least 20minutes. You will find it will then behave normally and all of your data is safe.
I have used SSD for many years and except from when my laptop lost power and couldn't find any SSDs, I have not had a problem. To get the SSD to show again in the bios, power it up and leave it for at least 20minutes. You will find it will then behave normally and all of your data is safe.
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sorry JS your one good (luck?) experience doesn't count for advice to others.
nope SSDs do indeed wear out😉, but that's not the biggest danger, do read some of the links (I searched it for above for you). Please understand SSD TLC technology and youll soon fear the clear and present danger of shrinking memory cells voltage / temperature margins that must be plugged in continuously to keep track of.
even spinning HDD often fail before they are fully worn out (lost or fragged memory maps come to mind ) also keep in mind HDD OEMs don't count 'data loss' as a fail!!!!
errant software or even the OS maykill your data faster than a blink of the eye ( IMO the best archival / recovery software runs on basic DOS instructions)
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For SSD, quite common problem its onboard controller chip has gone to south.
Trash.
With all of your valuable data.
Trash.
With all of your valuable data.
By that point you may not care: The SSD Endurance Experiment: The Tech Report . My first-gen netbook still runs an original OCZ Vertex 60 gig with beta firmware later recalled for over aggressive garbage collection. No issues to date. The only times I've seen SSDs fail in the field are large custom server builds that tried to get away with a 30 gig boot drive. I suspect the tiny constant log writes in a 24/7 production environment finally did them in.
Interesting, thank you!
I have not had too much luck with SSDs.
Not only one died.
BTW, I know how important SSD trim function is.
It is possible that to the Hungarian market reaches only scrap.
I'm do not be surprised.
I have not had too much luck with SSDs.
Not only one died.
BTW, I know how important SSD trim function is.
It is possible that to the Hungarian market reaches only scrap.
I'm do not be surprised.
yes infact I'm aware of all the endurance testing, even by a much bigger effort here... writes do wear out SSD drives, so why would any one proclaim no moving parts equals nothing to wear out? dumb dumb
But that is not the only failure mode!! they hardly ever examined the data retention after a long power down! The TLC stuff is much worse. BTW all the early SSD vendors claimed you could continue to read the data after it became 'worn down; that turns out was very far from reality. see link
I'm still running the Samsung 830 for OS / programs, best in class (I'm currenty at 10TB writes , drop in the bucket compared to 6000TB ) oldie but goodie. gotta love Intel drives for "bricking" after wear count runs down>
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So you hate the PC master race?
PC, tablet, smartphone, rpi, all the same... They have exactly the same functions, only the OS is different. By the way, rpi as not a PC experience?
Then you must have a strange description of PC experience? Did someone hit you with one?
You really speak like someone who doesn't understand how PC works hates PC because you don't understand how it works.
By the way WD RED is for NAS and constant usage.
What i don't like is the typical "one tower desktop pc for all": bulky, noisy, buggy, consuming kilowatts of energy. The BIG pc that gamers dream of is a nightmare and BIG nonsense for me.
An externally hosted image should be here but it was not working when we last tested it.
On the other hand i lik very much the idea of specialized small pcs, ( tablets, rpis, laptops, nas, smartphone, smarttvs, smartasses, etc...)with a specialized ergonomy/interface distributed around the house in a home network.
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