Normally this means you’re screwed and it would be time to restore from a backup (after replacing the two failed drives). Here we can see how our storage capacity is broken down with Dual Drive Redundancy. The Status page opens. Related topics: Enabling or Disabling Dual Disk Redundancy That’s it. The Drobo 5D costs $699 (prices are without drives). – Single or Dual Disk Redundancy – Virtual Hot Spare – Data A ware – Drive Re-ordering Warranty – One (1) year warranty in the US or outside the EU or two (2) year warranty in the EU Management – Drive bay indicator lights, capacity gauge, status lights – Drobo Dashboard version 2.8.3 or later Size and Weight – Desktop Form Factor Settings page, click the OK Like you, my data is very important to me. Try “root”. Navigation menu, and click General. Click the OK button. Disk Redundancy check box to enable it, or de-select it to disable The Drobo 5N2 will fit your bill perfectly. Starting at $344 for the Drobo 5C, plus an extra hard drive or two for redundancy, it does have a cost. Click the Drobo Settings option on the An Affordable Thunderbolt 2 Dock with 4K and Dual Display Support, Terry White Live: KelbyOne Wildlife Photography Conference, Drobo Capacity Calculator on their website. It's in very good condition with the exception of one of the lights which is slightly dimmer than the others. If you plan to use Dual Disk Redundancy, omit the largest two drives. Author. I hear ya! To enable or disable dual disk redundancy: 1. + Dual disk redundancy. It's in very good condition with the exception of one of the lights which is slightly dimmer than the others. If a drive happens to fail, Drobo will automatically re-layout the data to return to a protected state without disruption. automatically opens, asking you to confirm the change and letting you This provides In order to make the change from single to dual-drive redundancy, you need to have enough disk space available on the Drobo to be able to lose that second disk's worth of … The setting is changed. The one thing we don’t really think about is what happens if two drives fail at the same time? Your Drobo device requires a minimum of two drives, or three drives if you are using Dual Disk Redundancy, to ensure your data is protected. There is a white paper on this on their website. B1200i B810i/B810n 8D 5C, 5D/5Dt, 5D3 & 5N2 4-Bay Mini Capacity Available for Data Dual Disk Redundancy Hybrid Storage Option Select Drives for Drobo B1200i Reset You could store up to*: Capacity Available for Data Dual Disk Redundancy Hybrid Storage Option Select Drives for Drobo B810i/B810n Reset You could store up to*: Capacity Available for […] 5. If you are enabling Dual Disk Redundancy. on the All Drobos page, select the Drobo device for which you would Posted October 29, 2016. To learn more about how much more hard disk space is required, see Determining Drive Space Requirements. 3. The Drobo settings tab has the dual disk redundancy setting (to protect against two simultaneous drive failures) as well as disk drive spindown (more or less a hibernation function). Drobo’s with BeyondRAID are also self-healing and have virtual hot-spares. If you have enabled Dual Disk Redundancy, Drobo will go into data protection to relayout the data to protect against two simultaneous drive failures The data protection process can take a while, from a few minutes to several hours or longer, depending on the amount of data. As long as you have more than a single disk in Drobo, all data on Drobo is safe no matter which hard disk fails. Modifying the See Managing Capacity for more information. Now I’m a little less worried if two of the older drives bite the dust at the same time. Drobo 5C 2x 4TB And 2x 2TB Disk Redundancy. https://terrywhite.com/why-you-should-enable-dual-redundancy-on-your-drobo You’ll probably replace the failed drive with a larger one since larger drives come out every year. It also provides a one-click switch from single to dual disk redundancy, providing enterprise-grade … Enabling dual disk redundancy will not erase your data. But it will make managing your storage a lot … Keep in mind that I just put two 4TB drives in my Drobo 5N at the same time. For the second use-case, we take advantage of PC Mark 8's storage bench. + BeyondRAID is incredible. The General Settings page opens. 7. button. The General Settings This has nothing to do with Drobo … number of drives or capacity. Drobo B1200i Review. First, you may need to add capacity. Redundancy in Drobo devices is ensured by the mirroring and parity techniques. To learn more about how much more hard it requires more hard disk space. you the man Terry White, however, no workie, I established trouble ticket with Drobo. The supported connections are USB, FireWire, and eSATA and all three cables will be provided. For example: Single Disk (Default) Redundancy. A true blessing. The 5C did not take a big performance hit moving to this new configuration, we find good numbers with 221.2 MB/s Reads and 156.4 MB/s Writes. The Toshiba HDDs were able to … We evaluated the Drobo 5D in both single-disk and dual-disk redundancy … I replaced both drives with new 4TB WD NAS drives and during the setup process I enabled Dual Redundancy. So if one fails (especially as they get older), then it’s likely that another one bought around the same time could fail shortly thereafter. I didn’t lose anything other than Time Machine history. 2018 Drobo, Inc, All Rights Reserved. Although it provides additional protection, While traveling on business I received an email alert that one of my drives had failed (an older 2TB Seagate). Drobo 5C Dual Disk Redundancy #6. + Easy to understand and use. The SSDs reached 155 MB/s read for single redundancy while dual drive redundancy was slightly lower at 150 MB/s. In Drobo Dashboard, double-click the appropriate Drobo device from the All Drobos page. In Drobo Dashboard It uses only a single drive's worth of storage space for the parity data while RAID 6 uses 2 drives worth of storage space. Dual Redundancy, Thank you Terry White. Pricing. No big deal as my data was protected. Thank you sir. A message box Adding in SSD caching to the single disk redundancy we have an increase to 733 MB/s read with similar write performance at 379 MB/s. + Looks great. I would love to enable on my 5N however the drobo dashboard insist that I login to access. If you would like to use Drobo's Dual Disk Redundancy feature, you will need to enable it. Leaving it blank doesn’t work. Drobo 5D, Drobo 5N, and Drobo FS, Drobo uses the Drobo BeyondRAID technology, which provides single or dual disk redundancy. box to continue. If you plan to use Dual Disk Redundancy, which protects your data against two hard drive failures, you will need at least three hard drives. General Settings give you some options for Dual Disk Redundancy Disk Drive Spin down and light controls for the front of the appliance. In the General 4. Redundant Safety Utilizing dual-disk redundancy, 8D model's BeyondRAID technology can ensure your data is safe even if up to two drives fail simultaneously — all without a moment of downtime. Users can also dim the LED lights of the 5N2 through this tab. Assuming dual-redundancy, when you added the 4TB drive in the last available slot you basically opened up 2 TB disk-worth of space to store information on as opposed to just checksum data (and 2TB of space on the 4TB just wouldn't be used). With this feature enabled now two drives could fail at the same time and I’d still be protected. Otherwise you may have to contact support. However, by the time I got home several days later a second 2TB Seagate drive had failed. – Single or Dual Disk Redundancy – Virtual Hot Spare – Data A ware – Drive Re-ordering Warranty – T wo (2) year warranty Management – Drive bay indicator lights, capacity gauge, status lights – Drobo Dashboard version 3.1.1 or later Size and Weight – Desktop Form Factor – Width: 5.9 in (150.3 mm) – Height: 7.3 in (185.4 mm) Select the Dual You can choose single or dual disk redundancy and you can have n disks, that is, any number, in the array, mixed rotating and SSD, and of varying capacities. Yes two drives can fail at the same time or back to back. By enabling Dual Redundancy your Drobo will have less usable space. More importantly, using this technology, the Drobo 5N2 is able to protect yours even in the event of multiple disk failures, and completely without any intervention on your part. you know that data protection is in progress. It has been preventing single disk drive failures causing data loss, and has been used in almost every enterprise data center for decades. This may take some time. Chances are if they die in a few years (no premature failures) under normal wear and tear, they’ll probably die around the same time. on the Status page, letting Hello Terry, how can access this redundancy files if some of my files simply disappeared from my disk? You can even switch from single to dual disk redundancy with a single click, ensuring enterprise-level dual parity data protection when required. Game over. Drobo’s with BeyondRAID are also self-healing and have virtual hot-spares. In my home office I use a Drobo 5D connected to my Mac OS X Server as well as a second Drobo 5N to backup the Drobo 5D. 2. This Drobo has five 4TB drives and is currently configured with dual disk redundancy but could also be reformatted into single disk redundancy for even more storage space. Dual Disk Redundancy would … Drobo BeyondRAID Recovery. I have several backups and offsite cloud backups too. To use your Drobo B810i, you’ll need at least two hard drives. If we know anything about Drobo and the new B1200i, their mission statement is to keep storage simple. You need to be logged in as the administrator to perform this action. 2. To use Dual Disk Redundancy, you need a minimum of three drives. page opens. by Kevin OBrien July 23, 2012. written by Kevin OBrien July 23, 2012. Note: For the Drobo B810i, we recommend that you use at least four hard drives and two SSDs. The last time I had a Seagate 3TB drive die in my Drobo 5N, I not only replaced it with a WD 4TB NAS drive, but I also enabled Drobo’s dual redundancy feature in the settings. Click the Drobo Settings option on the Navigation menu, and click General. Any ideas as to a work around? simultaneous hard drive failures. Dual Disk Redundancy protects your Drobo 5N in the event of two 3. Notes: It wasn’t a huge deal since this Drobo served as a backup to my main Drobo. On 10/29/2016 at 3:30 AM, AkiraDaarkst said: RAID 5 isn't that much less reliable than RAID 6. Switching to dual disk redundancy … Over all, Drobo Settings are found in the appropriate tab on the left. With dual Thunderbolt 3 ports, eight drive bays, and an optional SSD acceleration bay, Drobo’s 8D is its fastest storage array yet. The option is not be available to you if you do not have a sufficient like to enable or disable Dual Disk Redundancy. My Drobo 5N still has two of the 2TB Seagates and a 3TB Seagate (which have been failing on my pretty regularly and it’s why I’m kinda done with Seagate) in it. 6. There is a downside otherwise this option would be on by default. Drive Space Requirements. Dual disk redundancy that's as difficult to understand as a traffic light. You can even switch from single to dual disk redundancy with a single click, ensuring enterprise-level dual parity data protection when required. You can even switch between single- and dual-disk redundancy with a single click. Through a little digging I’ve established the default user name as Admin however do not know if they have a “default” password. Notes: Actual capacity is often less than what is shown in the examples above due to the different systems used for rating capacity. Dual Disk Redundancy. Drobo - Smart Storage Solution with 5x4TB HDDs (Greece) $300. Pros. Although it provides additional protection, it requires more hard disk space. The single-disk redundancy configuration consistently performs better than the dual-disk redundancy option. Disk Drive Spin Down Time, Copyright While reliable, the complexity of RAID is […] Inside every Drobo is the revolutionary BeyondRAID storage technology that protects data against a hard disk crash, yet is simple enough for anyone to use. When you setup your Drobo (RAID), chances are you bought multiple drives at the same time. It's nice to make a backup, but it's really nice to have your backup on a Drobo that can survive a disk failure. enabling Dual Disk Redundancy) or increase (if disabling). Dual Disk Redundancy protects your Drobo 5N in the event of twosimultaneous hard drive failures. You can figure out how much storage space you’ll have by using the Drobo Capacity Calculator on their website. Click the Yes button in the dialog The whole reason to have a Drobo is so that if one of your hard drives fail your data will be protected and you can just keep working. Next in the Setup for Your Drobo 5N It includes General, Network, Admin and Alerts. While enabling Dual Redundancy does give you less storage space, drives are relatively cheap and it’s better safe than sorry. Although I had turned on Dual Redundancy on my Drobo 5D, I had not yet turned it on my Drobo 5N. 4. Dual Disk Redundancy, an "In Progress" status bar may appear know that the protected capacity on your Drobo device will decrease (if This Drobo has five 4TB drives and is currently configured with dual disk redundancy but could also be reformatted into single disk redundancy for even more storage space. Don’t Think RAID, Think BeyondRAID Developed in the 1980s, RAID was designed to pool disk drives together for increased capacity and reliability for data storage. In their devices, e.g. Click and drag to slide the pointer for the Disk Drive Spin Down to the interval of time you want. disk space is required, see Determining If a drive happens to fail, Drobo will automatically re-layout the data to return to a protected state without disruption. However, before I tell you what happened on my other Drobo (5N), think about it. HI @matthew, Drobo uses software architecture they term BeyondRAID which is considerably more advanced than the 1980's style RAID you describe. As a matter of fact I now know this can happen. I do not recall or believe (I would have entered in Wallet program) I ever set this up. For dual-disk redundancy, the two largest disks are used up and don't contribute to the usable capacity. There’s no need to …
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