Questions tagged [raid]
Redundant array of independent/inexpensive disks; a technology which utilizes multiple disks to provide increased reliability, performance, and/or redundancy. Can be implemented either in software or with a hardware controller.
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Btrfs automatically bitrot correction with snapshots?
I want to set up a notebook (debian) with 1 SSD and 1 HDD each with Luks and Btrfs on it. Because the SSD and the HDD doesn't have the same speed, i don't want to use Btrfs' Raid-1 on it, but i also ...
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LSI HBA Enable Partial or Slumber Low Power Mode
I have a SATA disc connected to a LSI 9207-8i HBA
which uses the LSI SAS2308 controller. I am trying to put this disc in slumber by enabling device initiated power management. Disk sends a PMREQ_P / ...
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Ubuntu doesn't see raid0 SSD
I want to dual-boot Ubuntu 16.04 and Windows 10. I created two raid0 volumes from the BIOS/EFI, one for Windows and one for Ubuntu. Windows can see both volumes, and I can install it to a volume. ...
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self recovery of failed RAID10. Can I clone the drives to attempt myself before I make use of a professional?
just yesterday I was doing some BIOS work on my computer, and accidentally loaded a saved configuration from my BIOS that changed the SATA mode from RAID->AHCI.
I have a RAID10(0+1) composed of 4x3TB ...
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HDD painfully slow only on my computer
I have Dell Vostro 3560 that has Intel Rapid that makes a hybrid RAID with an internal SSD to optimize performance. Just to check things I disabled it to test the pure HDD performance without help ...
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Can I move existing Windows 7 setup to a RAID-1 array?
I have a the following setup:
machine with one 1TB hdd and with W7Ultimate installed on that drive (with RAID in BIOS).
Now I want to make it running as RAID 1, so I have two additional similar 1TB ...
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Bootable RAID1 on Intel Z170 RST with 2 x SSD Samsung 950 Pro NVME M.2 for Linux
I'm trying to assemble a bootable RAID1 for Linux on ASRock Z170 Extreme 7+ with 2 x SSD Samsung 950 Pro NVME connected directly to M.2 ports using Intel Rapid Storage Technology in UEFI.
I was ...
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Disable RAID in custom kernel?
I need a Gentoo 13 machine to test some software on the platform. I'm not a Gentoo regular, so I'm suffering their procedures. I noticed the kernel spends a couple of seconds booting due to RAID ...
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Will `tune2fs -E stride=X` have the same effect as `mkfs.ext4 -E stride=X`
The man tune2fs and man mkfs.ext4 state:
stride=stride-size
...
This mostly affects placement of filesystem metadata like bit‐maps at mke2fs(2) time to avoid placing them on a single ...
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Import zpool with one unknown missing vdev_children.
My raid-z zpool was in degraded mode, I have added a new disk in the zpool with the command:
zpool add -f uhuru-test da3
The problem is that da3 have been accidentaly erased and now uhuru-test pool ...
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Is there a way to boot from a GUID Partition Table on a Intel FakeRaid (IMSM) RAID1 configuration?
I have a Intel H170 based Asus H170 PLUS Motherboard that supports Intel FakeRAID. Attached are two identical Seagate 1TB harddisks on which I want to install ArchLinux 2015-12-01. The UEFI BIOS on ...
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Dual boot Win8/Linux on Asus Zenbook UX301 keeping intel imsm RAID0
I have Asus Zenbook UX301 with Win8 preinstalled. I would like to have a Linux installed in dual-boot configuration. However, Windows is using the notebook 2 SSDs as intel RAID0 (rom-based RAID, ...
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What are following sata raid drivers for?
I've been installing raid 1 based server and the first time i did it. I didn't know which one to choose to I chose at random (I think ICH7R/DH one). Everything worked, but disk access times were ...
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Need application to run without root access
i try to build my local services system inhouse, and to thant i need to learn how i can give access to a single user with out type a root access when i do it, or i need to know how i can call the ...
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how to trim the SSD disk of an hybrid Linux soft RAID?
We are considering implementing an Hybrid Linux Raid with SSD+HD by using the "writemostly" flag that supposedly makes the raid write further to the HD than to SSD while maintaining the benefits of ...
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Courting Disaster with fakeRAID10 (Dual Boot Win7,Ubuntu14.10)
Over the past several weeks (!), I have been trying to set up a dual boot with Windows 7 Enterprise and Ubuntu Desktop 14.10. The motherboard is a Sabertooth x79, and I wanted to install everything ...
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Does the RAID 5 parity drive have to be same size as the rest of the array?
In the most basic RAID 5 array, does the parity drive have to be the same size as the other 2 drives?
Standard Array:
1x4TB Drive (Storage)
1x4TB Drive (Storage)
1x1TB Parity Drive
Or will the size ...
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How to recover RAID0 lost after a upgrade to Windows 8.1
How can I recover software RAID 0 after formatting my primary OS drive?
I had the same issue as this post :
I was previously running Windows 7 on a machine that had 4 physical drives and 1 SSD for ...
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Synology NAS station - how to mirror 2 HDD (Simple how-to)
I have the following problem with my Synology disk station:
I had one small HDD in Synology Diskstation, so I removed it.
I bought 2 new HDD with the same capacity.
I transferred backup from old ...
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Dual boot, 4 disks, raid0
I have windows 8.1, and ubuntu 14.04 on the Disk 0. On ubuntu the four disks are merged. on windows i want to merge disks 1,2,3 (the windows half). but when i click to new striped volume, it says "...
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Debian shutdown takes a long time (RAID/crypt related)
I'm running Debian Jessie and recently my shutdown has been taking a long time. When I
sudo shutdown -h now
I'm sent to a blank screen except for a blinking cursor which sits for ~1 minute. It then ...
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RAID-0 setup, 1 broken drive, still 1 partition seems unharmed. Why?
It is not my setup and I do not know a lot about RAID, so I have trouble analysing what is going on here:
What I observed:
Two 1 TB HDDs are in a RAID-0 Array
GParted sees 2 (1 TB) partitions on ...
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Do I need RAID drivers to convert an ASUS Zenbook from Windows 8 to Windows 7?
I have an ASUS Zenbook UX301LA-XH72T 13.3" touch ultrabook, and it runs 500GB SSD on RAID 0 configuration. This notebook is running Windows 8, and I need to switch to Windows 7 but maintain RAID 0 ...
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Linux RAID on top of LVM
I have LVM configured on top of RAID, but I was wondering how one would do RAID on top of LVM.
Here's the scenario:
I have a RAID 6 array with 4 X 3TB drives. 1 drive failed, badblocks reported 73 ...
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re-add to RAID1 is not possible
On Kubuntu 13.10 I have two hdd:
sdb 1TB with two partitions - one in RAID1 and second is simple. Second hdd sda 500GB is whole in RAID1.
Once I unpluged second hdd, put there some other hdd instead,...
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Faster SSD performance as cache drive or regular boot drive?
I have the choice of setting up a system:
with two SSD Drives in RAID 1 mode as my boot drive for Windows 7 64-bit, with the Program Files and User folders moved to a second regular hard drive, also ...
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RAID 5 degraded performance
I'm currently rebuilding my fileserver, but because of SATA port limitations, I can only use 5 disks at a time. I've remove a drive from my original RAID, so I've been able to create a new degraded ...
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Rebuilding a RAID 1 without data loss, recover from unallocated partition data
Mobo: ASUS P8Z77-M/Pro Gen 3
RAM: 32GB (4 x 8GB)
Power Supply: corsair HX850
HDDs:Configuration before the problem:
1 x 128GB SSD for Windows 7 professional 64-bit
2 x 3TB drives in RAID 1 on the ...
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Debian root partition greater than 2TB
I have two internal hard drives: a 4TB drive and a 750GB drive. After selecting RAID0 and installing Debian (wheezy) to a single partition, I ran fdisk -l which reported that the size of my root ...
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Trying to rescue data from WD My Book Studio II, raid 0
For a friend I'm trying to recover data from a Western Digital My Book Studio II external disk drive enclosure in raid 0 mode.
At first I tried to rescue the data under OSX, the OS used by the ...
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Is it possible to migrate a software RAID5 array to RAID0?
So last year I helped my father in France set up his Office machine with a RAID5 array of 3 identical 1TB drives (for a combined space of 2TB). Last week one of the drives died, he's using the machine ...
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Broken mdadm RAID after hard drive firmware update
I updated the firmware on the two hard drives in my raid array, and now the raid array does not seem to work. I'm running Kubuntu 12.10.
Here is the output of some things I tried:
sudo mdadm --...
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Mounting a raid1 device - no suitable drives found
I'm having some problems with my disks; long story.. but right now I'm trying to mount a device that was part of a 2-disk raid1. For that, I tried to assemble it into a new array, but...
% mdadm -Av /...
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SSD cache to minimise disk uptime
I am planning to build a small server for personal use, utilising a relatively large RAID-5/-6 (or RAID-Z/-Z2) array as main storage.
The vast majority of workloads I envision for this would have ...
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Trouble Mounting (Intel) RAID in Debian
I am switching to Debian from Ubuntu and so far all is good, however, I can't get Debian to read one RIAD drives. I have three physical drives setup, using Intel Matrix Manager, for a RAID5 volume ...
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How to create RAID array using Disks app in Ubuntu 12.10?
Ubuntu 12.10 has an app called Disks that used to be called "Disk Utility" and "palimpsest".
This tool used to be able to create RAID arrays, but on a clean install of Ubuntu 12.10, the app no longer ...
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ASUS Motherboard, RAID recovery
I have an ASUS Z77 motherboard and running two SSD's in RAID 1. My question is, if one drive fails, how would I even know unless I rebooted my computer and saw in the BIOS that the drive is failed/...
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grub refuses to install to raid array
I have a software raid 0 setup with dual booting Windows 7 and Ubuntu 12.04. The GRUB bootloader that is already on the hard drive seems to work fine. However, since the latest package update for grub,...
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Booting Ubuntu with a RAID-1 Boot Failure
I'm planning on picking up 2 SSD cards for my file server and installing Ubuntu on them using softRAID-1. I will not be keeping a hot spare, so I want to make sure that, if one drive fails, I can ...
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Booting Windows7 kernel from an initrd/wim image file
I'm wondering if it's possibile to have Win7 kernel and relative drivers (especially storage drivers) to boot from an initrd-like image file (maybe .wim?) and later then mount the windows root ...
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How do I recover a RAID 1 volume on Mac OS X (10.7)?
I have a Synology NAS that I've set up with RAID 1. The device is set up with two drives, both the same size (i.e. 500 GB each), formatted in ext3, as a RAID 1 volume (i.e. even though the total ...
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mdadm: hot remove failed
My RAID1 is degraded and I need to replace /dev/sdb. However, I could mark /dev/sdb5 (in /dev/md1) as failed and removed it, but I can't do the same with /dev/sdb1 (/dev/md0 which is mounted on /):
...
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Does a SATA III controller for PCI-e 1.0 (x16) exist?
I'm trying to hunt around for a solution to a disk issue I have with my home server. Basically, I started to use it to stream video (going from a virtual host, it now does alot more). I see alot of ...
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RAID array freezes Windows 7 x64 when enabled
I have a Gigabyte GA-880GA-UD3H with an on-board SATA RAID controller that was working fine for about a year. I have 4x1.5TB drives in a RAID5 configuration.
After updating the driver set to the ...
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Reading or writing with a 4 WD5000AADS drive RAID 5 array drops to 0 speed
Edit, 10/31:
Crash-- complete system lockup. Booted computer, had strange lag for visiting ANY webpage in Chrome.. Figured that either a network problem existed, or Chrome could not write to disk ...
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Recover Linux software RAID5 array after server upgrade
I recently upgraded a server from Fedora 6 to Fedora 14. In addition to the main hard drive where the OS is installed, I have 3 1TB hard drives configured for RAID5 (via software). After the upgrade, ...
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Does Mac OSX software raid support partial resync?
If I have a software RAID-1 (mirror) setup in Mac OSX and I turn off the system during mirror rebuild, when I turn it back on will it start a whole new resync or just do a partial resync (like linux' ...
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Compatibility issue with Intel DP43TF and Promise Fastrek TX4650
When I installed a Promise Fastrek TX4650 PCI-E RAID card to an Intel DP43TF motherboard, the RAID card does not function (totally). But when I put the same RAID card to another motherboard, the RAID ...
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Windows Server 2008 RAID 1 failed. How do I fix it?
I have two 1.5TB drives, set up via a 4-bay external HDD case. It connects via eSATA and USB 2.0.
I had it configured as a mirrored RAID 1 in Windows Server 2008. I transferred some data to it and ...
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How to re-do the hard disks in a WD Word Book Edition II?
I recently purchased a WD World Book II, a 2 TB one. I call it the "White Box". It has those 2 1TB drives, and they were in this RAID 1 config, only giving me about 1 TB. I could not delete the raid ...
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