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One HDD with no RAID protection ??
03-19-2014, 02:51 AM
Post: #1
One HDD with no RAID protection ??
Hi all, I've juste purchased a Drobo mini and everything works great so far.

I have a question but I'm not sure it's possible to do so in a Drobo mini.

I have 2 types of data :

- importants files where the beyond RAID is much appreciated even if I loose some space for protection.

- not important files (videos files mainly) and I don't really care if I loose them.

Is it possible to configure the Drobo mini with at least one HDD (actually would be like a partition) with no Raid protection at all ?

Thx for your time.
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03-19-2014, 10:29 AM
Post: #2
RE: One HDD with no RAID protection ??
Nope. Drobo is all BeyondRAID, all the time.

If you need one unprotected drive, then I'd just carry a USB 3.0 drive and be done. More portable than the Mini, with exactly the protection (none) you seek.

Drobo 5N | 250GB Samsung 850 EVO mSATA | 2 x 4TB Seagate, 3 x 4TB Hitachi | FS/EXT3 diskpack
Peak performance >100MBps read/write (based on FS disk pack, no jumbo frames, no SSD)
DroboPorts: Plex, Transmission, OpenSSH, NFS, nano, screen, bash
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03-19-2014, 11:34 AM
Post: #3
RE: One HDD with no RAID protection ??
yes drobo is quite good as it works with 1 drive, (giving you just under half the drives capacity as usuable)
(single drive mode wont protect you if that whole hard drive fails, but at least your data is in 2 places in case of some bad sectors)

quick tip with usb drives (usually flash sticks):
eg: if you are taking a usb stick with some large files like your vid files above etc and dont want to have to take your drobo with you.

- use quickpar to make a few small protection blocks for that file
- copy the file to usb (along with the extra block file/s)
- & take the quickpar install file with you (if your laptop doesnt already have it etc)

if you encounter a read problem with the files on the memory stick, simply copy them to a hard drive and then use quickpar to read what it can from the file, and reconstruct the missing/damage bits using those block files.

this just takes a bit of time to prepare for, but can usually be done while you make a coffee or something
and can help to better ensure that you can access your data on a road trip, instead of shouting at the flash drive and being miles away and unable to access it Big Grin

(btw i have XP home SP2, a Drobo v1 with 2x 1TB/2x 1.5TB WD greens, & a bkp Drobo v2 with the same + a DroboShare: unused)
& a DroboS v2 with 3xWD15EADS &2x1TB in DDR mode on win7, & a drobo5D (all usb)
  • btw i did a sustained (write) operation for about 6 hours, and got 13.2MB / sec ...objection? "sustained" :)
    (16.7MB/s on a v2 & 47-96MB/s drobo-s)
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