Questions tagged [raid-5]
A type of RAID redundancy that includes parity data spread across a number of member disks
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How does parity work on a RAID-5 array?
I'm looking to build a nice little RAID array for dedicated backups. I'd like to have about 2-4TB of space available, as I have this nasty little habit of digitizing everything. Thus, I need a lot of ...
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Can I set up a RAID 5 with a bunch of drives of different sizes?
I currently have 3 1TB drives, a couple 500GB ones and some 750GB ones. Can I put them all in a RAID 5 configuration or do they need to be of same size?
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RAID5 / RAIDZ - is it possible to enlarge without losing data?
If I have a RAID5 with 4x1TB drives, and then in, say, a year I decide to upgrade to 4x2TB, can I swap out one drive at a time, then let the parity rebuild, even if it's mixed-size drives?
Obviously ...
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How do I tell mdadm to start using a missing disk in my RAID5 array again?
I have a 3-disk RAID array running in my Ubuntu server. This has been running flawlessly for over a year but I was recently forced to strip, move and rebuild the machine.
When I had it all back ...
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How picky are RAID controllers when replacing a drive?
I had a drive fail in a RAID5 array and I'm working on finding a replacement. It's an older drive that's fairly hard to find, and most of them out there are used. How close of a drive do I need to the ...
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Looking for an actual experience of RAID 5 2 drive failure? [closed]
I'm wondering if anyone has any personal experience of RAID 5 2 drive failure with large drives?
As I understand it, the theory is that with large 1-2TB drives, if one drive fails in the raid set, it ...
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RAID 5 Array: Probability of Failing to Rebuild Array
I have a Qnap ts463u-rp data storage array, which contains 4x4TB HDD.
my question here is, is it safe to configure 3x4TB as RAID 5?
because from what I understood, it's not recommend to configure ...
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Ubuntu Server 14.04 - RAID5 created with mdadm disappears after reboot
This is my first question on superuser, so if I forgot to mention something, please ask.
I'm trying to set up a home server which will be used as file server and media server. I installed Ubuntu ...
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re-assemble out-of-date raid5?
I need help with my raid5 after it crashed through bad sectors.
Previously I could re-assemble it with
# mdadm --assemble --force -v /dev/md0 /dev/sde1 /dev/sdf1 /dev/sdg1 /dev/sdh1 /dev/sdi1
but ...
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Software RAID 5 with Multiple Partitions (one encrypted partition)
Can I have multiple partitions using Software RAID 5 on an Ubuntu Server?
For example, say using a 4 drive RAID 5 setup, I want one massive partition for storage and a second smaller but encrypted ...
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Degraded RAID5 and no md superblock on one of remaining drive
This is actually on a QNAP TS-509 NAS. The RAID is basically a Linux RAID.
The NAS was configured with RAID 5 with 5 drives (/md0 with /dev/sd[abcde]3). At some point, /dev/sde failed and drive was ...
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Setting up an 8 drive raid for home use - hardware configuration?
I wish to build an 8x1.5tb file server for home use.
I was looking at putting these 8 HDDs into RAID 5 or 6.
However most botherboards only come with 6 sata ports so I will obviously need to get an ...
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Setting up a RAID 5 Array
I am currently trying to convert my drives from just a bunch of external disks, each one individually shared from my (CentOS) server into a RAID array (ideally, RAID 5).
At current, my drives are:
2....
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RAID 5/10 setup
I am trying to setup a personal media server. I am thinking of working with RAID 5 or 10 ( I haven't decided yet). So my questions are
What would be a recommended RAID setup? I don't need anything ...
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ZFS (RAID-Z1) or "hardware" (RAID 5) on Linux system?
I have never put together a RAID array before, but i think i understand the concepts behind most raid types from my reading.
Ordering three 3TB drives (WD red) to use in a xeon e3-1231 v3, 16GB non-...