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Flood göndermek, insanların floodlarını okumak ve diğer insanlarla bağlantı kurmak için sosyal Floodlar ve Flood Yanıtları Motorumuza kaydolun.

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Flood göndermek, insanların floodlarını okumak ve diğer insanlarla bağlantı kurmak için sosyal Floodlar ve Flood Yanıtları Motorumuza giriş yapın.

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3 ve kadim dostu 1 olan sj'yi rakamla giriniz. ( 31 )

Üzgünüz, Flood yazma yetkiniz yok, Flood girmek için giriş yapmalısınız.

Lütfen bu Floodun neden bildirilmesi gerektiğini düşündüğünüzü kısaca açıklayın.

Lütfen bu cevabın neden bildirilmesi gerektiğini kısaca açıklayın.

Please briefly explain why you feel this user should be reported.

Has anybody experienced data loss with SMR drives?

I’ve been keeping all of my data in two of 3TB WD My Passport for many years and have been waiting for a 6TB portable HDD. But it seems no hope. The HDD manufacturers stay with 5TB for many years.

Thus, I’m going to purchase WD My Passport 5TB soon. The thing is that I’m afraid if it is riskier than CMR drive. I read some articles about SMR drive and they say you have more chance to lose your data.

So, I’d like to hear about your experience with SMR drives. Has anybody experienced it?
I’ll use them just for backup.

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3 Yorumları

  1. Personal usage experience from SMR drives in similar capacities (4tb/5tb) from both brands, I’ve had 2 fail of well over 10+ owned. If it’s data that is personally vital, I’ll have different backup strategies as outlined in the /r/datahoarder wiki link at the end…

    The portable SMR failures were due from my own end-user faults (1st failed from a power outage many years ago during a write with now power backup + 2nd, from an accidental mistake of dropping the drive while plugged in).

    Otherwise, I don’t physically move those types of portable drives around much outside place of residence and have been holding well from the last 4-5years. They’re all connected to another usb 3.0 wall-outlet powered usb hub to usb 3.0 pc controller.

    The main thing with CMR/SMR as you might know is that SMR hdd’s are better for write once-read many. I use these mainly for media archival purposes that are not sensitive if lost.

    Once you start renaming/deleting/moving contents for example within the SMR drive, there are periods where the drive can noticeably slow down in transfer speeds (down to 5-10% of what you would normally see).

    Of course, write-once/read many isn’t always practical and I’ve had to modify these portable SMR drives countless times. Usually after several hours/next day (i.e. once the hdd cache is cleared up in the background), they resumed similar transfer speeds. So keep that in mind in case you have some kind of time-sensitive transfer; I was never able to fully predict when those slowdowns on SMR occurs… sometimes it’s immediate or happens several hours later… but you’ll know for sure when it does.

    Finally (and as always), the backup wiki topic is a good reference on related goals + the WD/Seagate CMR-SMR links below outline the common SMR-CMR hdd’s (basically anything that’s currently WD 8tb+ = CMR and seagate 10tb+ = CMR; everything else is in the sub 8tb hdd capacity is likely to be SMR especially in the 2.5″ form factor).

    https://www.reddit.com/r/DataHoarder/wiki/backups

    https://blog.westerndigital.com/wd-red-nas-drives/

    https://www.seagate.com/internal-hard-drives/cmr-smr-list/

  2. There are two types of hard disks: the failed ones, and the ones about to fail.

  3. A drive being SMR is not inherently going to lead into data loss any more or less.