Questions tagged [raid-5]
A type of RAID redundancy that includes parity data spread across a number of member disks
224 questions
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mdadm - clean, FAILED for RAID-5 but returns upon server reboot and on/off of RAID device
I've searched for any log which could indicate anything helpful, but this use case is in an attempt to find out if I need a new device structure (4-bay 3.5) or if the disk(s) are distressed.
This ...
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Configure MDADM to skip RAID5/6 assembly during boot IF AND ONLY IF the array is in degraded state
I'm basically trying to configure mdadm.conf so that RAID assembly at boot is run with the equivalent of:
mdadm --assemble --scan --no-degraded
instead of:
mdadm --assemble --scan
Otherwise, if I ...
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RAID 5 failure after multiple drives got disconnected
I've been running a linux software RAID 5 undergoing a reshape(4→6 devices) and multiple drives got disconnected unexpectedly. The drives themselves are perfectly fine but the RAID array is in a state ...
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Rebuilding md raid5
I have linux ubuntu 11 (bullseye) with raid5, 3 disks of 2TB, and I want to add one disk of 2TB.
I did the manual and after umount command I lost my array.
When doing lsblk I see I don't have array ...
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Pacemaker stalls on failing resources and does not start other resources that could be started
I am setting up 3 hosts exporting their own drive via iscsi, and using pacemaker to manage which of the 3 hosts assemble them into a unique raid 5 ZFS device. The whole setup is structured as follows:
...
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Raid 5, single disk failure
A friend's Raid 5 array going down.
OS: Windows 10 on SSD, not on RAID
Raid controller: HighPoint RocketRAID 2720 controller
Raid 5 of 8x8TB drives
HighPoint controller is managed through their ...
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How does RAID 5 handle unrecoverable sectors on a HDD
I'm going to set up a RAID 5 on 4 hard drives on my ubuntu system. I plan to use ext4 on a logic volume.
Suppose one disk reports an unrecoverable sector. How would RAID 5 handle this? My ...
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Recover RAID5 volume after temporary failure of controller
I have an LVM RAID5 configuration, where two LVs are currently not active because one SATA controller did not properly resume from suspend, consequently leading to two devices, i.e. two PVs, failing. ...
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Can I run RAID5 with different cache size?
I had RAID5 that all Hard drives are HP and has 64 mb cache (HP MB2000GCVBR).
I want to replace one hard drive but there is no one in the stock as the same (same brand and cache size).
I have found ...
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RAID5 failure but drives are OK. 2 of 5 drives "failed" simultaneously. How to restore? Windows 11, Intel RST
I have two drives in my RST RAID5 drive registered as "unknown" and thus the RAID5 array with 5 drives reports as "failed".
Windows 11 Pro 23H2, Intel RST (Intel Optane Memory and ...
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Creating a RAID-5 using Storage Spaces in Windows 11
I want to try the new Storage Spaces in Windows 11. Some years ago I bought an external enclosure with 5-bay for hard drives and also provide RAID 5 functionality out-of-the-box. It works pretty good ...
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RAID server went dark
So I have a Gigabyte 277x MB with a Intel i5 that has been running 2 software raid arrays on Ubuntu for 3 years without issue. Last night I turned off server to move it and clean it and then turned it ...
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Does RAID5 need synchronization all the time?
I have a TS-453D NAS with 4x10TB HDD disks. I have reinstalled it from scratch - it never asks me to format the disks though - but when I created the Storage Pool as a RAID5 it started to sync "...
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RAID5 (3xHard-Disk) status FAILED suddenly, what should do?
There is a data server in a PC case just for purpose of synchronization and sharing data in a local network that is running 24/7 except in case of power outages.
I did not install the RAID ...
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mdadm lost RAID5 after new motherboard and processor
I moved my mdadm RAID5 to a different motherboard/processor, same boot drive.
The array is no longer found during a mdadm --assemble --scan
The motherboard was previously running INTEL RAID, so when ...
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