Find More Posts by mostlyharmless. Well, it’s actually two, but shhhh, it’s just one, trust me”. This is where you have a dedicated chip whose sole purpose is to process the data required for RAID. There was apparently a bug in 8. In case of a dual boot with Win7, grub may have some problem to launch windows. Performance Performance largely depends on how you configure the basic parameters of the RAID array, and less on the specific solution.
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With a hardware array chip all the disks can go into hot-swap trays and when one fails, a red light turns on, on the failed disk, you eject it, replace it with a new disk, then the hardware raid card automatically rebuilds the array while the server is still running.
Retrieved from ” https: This is a kch9r thing. Always when installing something of this magnitude make sure that you back up anything of importance. Well it appears to be a hybrid: But you will need to carefully research this before you make a move, to make certain that it will be compatible if you care about it being compatible.
Intel Rapid Storage Technology
View LQ Wiki Contributions. Same goes for the other solutions, which can also be extremely slow. Partners Support Community Ubuntu. Disks in RAID especially if they are the same make and model, produced at the same factory, and in operation right next to each other at the same temperature are likely to fail in quick succession, one right after ih9r other.
The main downside is that you lose flexibility — you can’t just slot the drives into another computer without a Hardware RAID controller — and rais. Let’s take it case by case: Ihtel, grub didn’t know which device should be scanned to find all the required files. Virtually none of these are true hardware RAID controllers. This allowed the installation to work. Quite often it is faster to replace the disk then erase everything on them and recreate the array and then boot from a backup restore disk then restore from backup.
This should also work when initially setting up Grub, as described above. It’s weird and hard to explain. The default package dmraid comes with scripts that are insufficient to actually activate the partitions on the array. Otherwise this will update dmraid and rebuild the grub init to load dmraid. If you install to the drives without this running you WILL have access gaid the section of the hard drive that the disk metadata is located on that the controller uses, and you can wipe it out or damage it, ruining your array.
Intel Matrix Storage Manager vs Linux Software RAID – Super User
Sign up or log lonux Sign up using Google. I encountered one more problem that seems to be a bug in GRUB and is described here: It doesn’t hurt to install another copy, but in cases of a disk failure, booting is going to be the least of your concern. The Cent Install CD does not have a driver that it needs and prompts to insert a floppy with a diver for the device on which ixh9r install packages are located. Set the type on the swap partition to swap.
Needs Updating This article needs updating to include the latest versions of Ubuntu. Please contribute your lessons learned here. From Wikipedia, the free encyclopedia. The File Not Found error from Grub when the savedefault option is used in menu.
There was apparently a bug in 8.