But you cannot chose which hard drive to spin down. In its polling cycle, the rst software, before issuing any s. I have an issue with an archival server that is running a raid 5. While hard disks will always fail, you might be able to keep a filesystem around on a raid a little bit longer by spinning down disks when not in use. The directions say that the mobius device itself spins the drives down after inactivity, but i havent found that to be the case. If the disks are spinning down, perhaps your os is the culprit.
Software raid is quite fine, provided you can trust the software behind it. The server is being accessed only every couple of days, so i want these disks to spin down when there is no activity for a while. Disk indexer this is a simple utility application for listing out files stored in a given directory or on whole o. More button shows dropdown menu with program controls. Raid 10 requires four drives, with each pair of drives first being mirrored raid 1, then striped raid 0.
For solid state drives ssd this has no affect, but for traditional mechanical hard drives, when this happens the hard drive will spin down reducing its power usage and giving the drive an opportunity to cool down. There is probably an easy way to adjust the spin down time but i. To save heatpower, im thinking of setting hard disks to spin down using hdparm. I have an asus h97me motherboard and on the asus website the official driver is 14. Software raid devices are socalled block devices, like ordinary disks or disk partitions. How to create a software raid 5 in windows 10 and 8. Hddscan free hdd and ssd test diagnostics software with.
To create a software raid 5, we need at least three hard drives of the same capacity, apart from the os drive. The creation and initalization is succeeding just fine and i can format the the volume afterwards and the windows explorer displays the volume accordingly. Because the spin down has worked before i dont think it is an general issue with the hdparm parameters. It is suggested to use noatime parameter in fstab to prevent spindown. Is it safe to put harddisks of a mdsoftwareraid to standby. However, there is no option to control the amount of time that must elapse before the disk spins down. Raid hard disk spin down prior to vista64 shut down. Put mdadm raids hdds in standby after x minutes server fault. The problem is the udisks2 daemon, which apparently scans smart data in a way that prevents drives from spinning down, and at a frequency that cant be adjusted.
Creating a software raid array in operating system software is the easiest way to go. My sage server has seven tuners 4 ota usb and 3 firewire, and records to a separate drive sata motherboard. Because, with intervalsbased disk checking, you would not be able to track down disk health issues that cropped up during the unmonitored phase. Will spinning down hard disks create linux raid problems. I have one raid 1 array 2 x 1tb and one raid 5 array 4 x 2tb. With staggered spinup, engineers handle the electrical load and system capacity during startup by staggering the times when disk drives begin inputoutput io operations. The only one difference is now the raid5, one smbshare, a higher spin down time 60 min. Can i install the software raid on my existing system. One is a raid 0 using 4 western digital 500gb sata drives, and the other is a raid 5 using 4 of the same drives. We have software raid plus things like zfs, ceph, gluster, swift, etc. We can build a raid with drives of unequal size, but then the smaller disk will dictate the arrays total capacity. The do spin down when not used, but by any reasonable estimate, they are nearing the end of their lives.
This table summarizes the key differences between hardware and software raids. Spin down and manage hard drive power on raspberry pi. Microsoft storage spaces is hot garbage for parity storage. Select the spin down hot spares check box to let the controller enable. This will work if you can tolerate a bit of down time, if you can tolerate recovery with an rpo in days, rather than minutes or hours. In a hardware raid setup, the drives connect to a special raid controller inserted in a fast pciexpress pcie slot in a motherboard. Write a little service to set hdd spin down after system has booted check if executed correctly using status command everything seams to be okay for. Spinning a disk up and down daily is bad for it and reduces the mean time between failure. Windows 8 comes with everything you need to use software raid, while the linux package. Everything is working smoothly but hard drives never spin down. Intel rst does not support spin down of raid hdd disk.
I am creating a raid 1 via the intel rst windows software on windows 10 latest intel software and driver release from their website. Beside from that is there any way to see if a drive is in spin down mode with windows. A redundant array of inexpensive disks raid allows high levels of storage reliability. Ok, assuming that i dont really care about how much electricity i use and my number 1 goal is longevity of my drives, is it better to set the drives to never spin down vs. Considering an upgrade of my 3ware raid card to an areca card that supports drive spindown. The array is made up of ten disks, so it only seemed natural to spin them down. Spindle synchronization is used to keep multiple hard drives spinning at. Since some processing power is taken by the software, read and write speeds of your raid configuration, along with other operations carried out on the server can be slowed down by it. Raid data recovery is the process of recovering and restoring data from a raid storage architecture or infrastructure. I have 8x1tb wd re2 gp drives on a 3ware 9650se controller. This is good since spinning down and spinning up reduces the lifetime of the drive considerably. Both of these strongly indicate that spinning down disks is safe, as if any disk activity. If you want to turn this feature off all together set this option to 0. Can i keep the os on the existing 500gb drive and have the raid separate, i would like to spin the raid drive down when they are not in use.
However, i wondered if this could cause unreliability as the storage is a linux raid 10 array. Software raid is a type of raid implementation that utilizes operating systembased capabilities to construct and deliver raid services. If i use intel rste with raid 1 everything is working fine and the drives spin down after several minutes. I have mine set to 5 hours, though with streaming my media collection and some other services, maybe 20% of my drives are spun down at a given time. Hi, i know the topic has been discussed to death on other forums, but i am looking for wds or other authorized members advice here. Thats the reason why i dont want them to spin up and down too often. If this is actually the case, then we are looking at a bug in the rst software.
But if the system has been swapping on the now faulty device, you will for sure be going down. Using smartmontools you can set the smart standby time seperately for each raid drive. We can use full disks, or we can use same sized partitions on different sized drives. I also read that the spindown setting is in intervals of 5 seconds for settings 1240 while settings 241254 are in 30 minute intervals. I understand that spinning down disks is normally bad practice. If you shuffle your data around to put infrequently accessed data on old disks that are spun down, you might have to spin up the disks only once every 3. The spindown state seems to work better with linux.
See if the disks can spin down using y option see if apm is supported disks handle it themselves systemd. A raid device is built from a number of other block devices for example, a raid1 could be built from two ordinary disks, or from two disk partitions on separate disks. In short the approved windows 10 drivers from version 14 and above have a bug that prevents the standard hdd spin down in windows 10 from functioning. By default windows 10 will power down hard drives after 20 minutes of inactivity or if the computer is a laptop, 10 minutes when on battery. Intel raid software user guide for full featured and entry level. Meaning, theres a delay in detecting the issue when measured against its actual moment of occurrence. I have been using it my backup machine with raid1 for about a year.
It is used to improve disk io performance and reliability of your server or workstation. I use the raid only as a network device for multimedia data and backups, so the drives should be in stand by most of the time. How to set up software raid 0 for windows and linux pc gamer. We just need to remember that the smallest of the hdds or partitions dictates the arrays capacity. When storage drives are connected directly to the motherboard without a raid controller, raid configuration is managed by utility software in the operating system, and thus referred to as a software raid setup. Ive been raking my mind for days trying to find something like this, or at least a confirmed instance where one of the commercially available raid and jbod softwares do something like this. Its possible to spin down inactive drives even when lsi firmware does no longer support it. Staggered spinup is a physical performance strategy for serial ata hard disk drives or raid disk drive systems.
Since most external ide disk enclosures dont support setting the ide idle timer, a program like hdidle is required to spin down idle disks automatically. Under hard disk youll find turn off hard disk after. Whether its traditional raid 56, erasure coding, raidzraid2z, whatever. The power usage of the disks in a ts219p ii may be high compared to the total power but honestly, put in perspective, it is most likely ridiculous to. I expect the drives to spin up about 1 to 2 times a day in average. Hdd spin down delay best practice general support unraid. If yes what could be the reason that the drives dont spin down. Software raid with external drives osx xp ask metafilter. Spin down and manage hard drive power on raspberry pi on windows machines hard drives automatically sleep and spin down when they are not in use. Raid data recovery can be implemented on both hardware and softwarebased raid.
This theoretically extends the life of your usb or sata hard drive. Ubuntu would treat the raid array as any other drive and its spin down times can be modified by the user. I use the share rather rarely, maybe once a day or less, some. The latter i switched off again but there is no change. Hi thomas holmlund, i can tell you my software raid are running fine. Guidance for configuring different families of intel raid controllers. This howto describes how to use software raid under linux.
It certainly shouldnt ever break software raid volumes. With softraids software raid system, you can be assured of always having the best and most current software controlling your raid system. However, the drives spindown much quicker than 20 minutes after i access them. I built a new windows 8 workstation, using a lsi 92718i card, with a 4 drive raid5 volume and a 4 drive raid10 volume. Im running linux mint 17, and im attempting to get my unused drives parity, cold storage to spin down when not in use. Software raid is often specific to the operating system being used, so it cannot generally be used for.
Basically i want a software jbod solution with maid style power management, or. But the real question is whether you should use a hardware raid solution or a software raid solution. Software raid tends to be slower than hardware raid. Hddscan is a freeware software for hard drive diagnostics raid arrays servers, flash usb and. Via the gui, i set my spindown to 240, which i thought would be 20 minutes and apm to 1. Mine will spin down by it self if i set that option in power management in vista. The only nas i personally use disk spin down on is my dedicated backup nas that normally is only active a few hours a night. My two harddrives are configured in raid 1 with this thread. Disk spin down with storage spaces servethehome forums.
How to create a software raid 5 in linux mint ubuntu. A raid can be deployed using both software and hardware. With the traditional strategy, all drives spin up when. The os power policy is set to spin the drives down after 30 minutes. Once i have the 8x 2tb drives as a software raid 5, can i add two 2tb drives to the raid drive. So when the raid is mounted, it looks like that a process polls the disks every second or so and avoid the spin down. Hdd wont spin downsleep in windows 10 microsoft community. Continuous monitoring of raid health is a better practice than checking disk health in intervals. Youll also need to be able to boot your server in a particular way. On linux systems you often have to configure power saving parameters for your hard drive manually. Using spindown to prolong the life of old hard disks.
Components in your hardware raid box may be top of line when you buy them but technology improves fast. Lsi sas 2108 megaraid power save for active configured drives. This drive runs an embedded build of the linux kernel and i was able to gain root access via ssh to the device. That if a drive isnt doing anything for a long period, its better to spin down, but that spinning down and back up several times a day is harder on the drive then leaving it spinning. By default hdidle will spin down drives ever 10 minutes which should be sufficient for most users. I have three new 4tb wd blue drives working in a home nas please do not get into the colour discussion here, blue, red, black, etc, thank you this thread is not about that in a raid setup. I think the bulk of the array is nearing 40k hours. This is where you can control if and when the hard drives will power down after a period of inactivity. Raid hard disk spin down prior to vista64 shut down i have a two array windows vista64 business system that uses an adaptec 2820sa 8 port serial ata raid controller. It uses a combination of automated and manual data recovery processes to extract and restore data from one or more raid drives and storage components.
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