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12-19-2015, 02:31 PM #1Web Hosting Master
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Backup Server and RAID - advice needed
Hi
On all our shared hosting servers we use RAID 10 with 6 x 2TB disks and 1GBps private backup link to backup servers.
Now we want to setup a new backup server.
What is your recommendation on backup server with 1Gbps backup network and 6 x 2TB disks.
Should we setup RAID 10 or RAID 0? Does backup server actually require that much right speed as backup network usually does around 50MB/s more or less. Note it will be using NAS.Hostking| Since 2013 | Web Hosting | WordPress Web Hosting
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12-19-2015, 03:16 PM #2Web Hosting Master
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Our backup servers runs raid6 for extra protection, tho speed has never been an issue so far. We run R1Soft, it's slower than Raid6 anyways (lolol).
But if you are really intensive with multi backups at same time, RAID10 is a great option.Hostabulous 🔗 cPanel (Cloudlinux) & Plesk (Windows DC 2016) Hosting 🔗 R1Soft CDP backups
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12-20-2015, 10:21 AM #3Web Hosting Master
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RAID 0 will be of no use at all. You can consider RAID1 on it and that would be sufficient because the more complex you go into building RAID array, the writing speed will decrease with it and when it comes to backup drives, writing data on it is more compared to reading.
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12-20-2015, 01:07 PM #4Aspiring Evangelist
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As far as data protection and speed is concerned RAID 10 is the best option. With RAID 0 there is risk of data loss as one disk fail data cannot be recovered as RAID do striping and no mirroring. You can also go for RAID 1 as it does mirroring but use only 50% disk capacity only.
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12-20-2015, 03:29 PM #5Web Hosting Master
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I'm surprised more people aren't recommending JBOD for a backup server. Maybe I'm not understanding what the OP means by "backup server". If you are using it just to store backups, is RAID overkill for that server?
Sure, a disk might die and you might lose the backups on that drive. But the live server is still live. Pop a new hard drive in the backup server, pull backups from the live server, and you're back where you started. What are the odds that the backup server AND the live server having a catastrophic drive failure at the same time?
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