RAID 1 Partitioning Problem
Very quickly, the raid 1 partitions resized. The EFI specification mandates that the firmware recognise a FAT32 partition as the EFI System Partition. Weaknesses: High redundancy cost overhead; Because all data is duplicated, twice the storage capacity is required. It's a worse solution than both true software and true hardware RAID, and that is why it is known as Fake RAID. http://robotadv.com/raid-1/raid-1-problem.html
As we know, RAID 1 creates exact copy on two disks. Thank youFrom: kevin Fitzgerald Reply I have a failed hard drive sdb However the readout from cat /proc/mdstat reads as follows: md127 : active raid1 sda sdb 976759808 blocks Is it safe, will it cause data loss or rebuilding the raid1 array? I wanna edit it as solved topic so that no one will waste their time to help me solve the solved problem.
Partition Raid 1
ThanksFrom: mike Reply hello,it is great,but will theMBR also been copy to the new hd ? ALL RIGHTS RESERVED. Moreover, you cannot defrag the partition, impossible to upgrade the operating system. It's very very well written and helped me alot.
Make your life easy! But I got some surpriseBefore adding the disk I just did fdisk this was the output[emailprotected] ~]# fdisk -lDisk /dev/sda: 1000.2 GB, 1000204886016 bytes255 heads, 63 sectors/track, 121601 cylindersUnits = cylinders BUT # mdadm --manage /dev/md/Home --add /dev/sda1 mdadm: /dev/sda1 not large enough to join array CONFUSION! Resize Raid 1 Partition Linux Partitioning RAID / LVM on RAID This HOWTO is deprecated; the Linux RAID HOWTO is maintained as a wiki by the linux-raid community at http://raid.wiki.kernel.org/ RAID devices cannot be partitioned, like
Why choose the Software RAID 1 instead of the motherboards "hardware" RAID? Raid Partition In Linux THANK YOU SIR! -- RogerFrom: Anonymous Reply Great guide! Should all authors on a paper be comfortable explaining every aspect of the paper? Similar, what if all disks die at the same time (like what I mentioned above)?
If we have the Windows installation on RAID 1 and lose the original disk, we will just get a cryptic message when trying to start the plain Windows 7 option. Expand Raid 1 With Larger Hard Drives Thank you.KrisFrom: 3rensho Reply THANKS!!! Both installations are identical, so it doesn't matter if we choose the "secondary plex" one. Consider a disk being disconnected temporarily (and booted before reconnected), a configuration problem.
Raid Partition In Linux
Thanks! 2 - In my case, when I shut down, removed the failing drive (and did the above mapping and labelling!), and then rebooted - the removes had been done for System Migration Transfer OS to SSD/HDD without re-installing OS and applications. Partition Raid 1 In this case, we right-click the NTFS volume and select "Add Mirror...". Partition Raid 0 Generally speaking, they need to repartition RAID regularly in order to optimize the usage of their server computers.
If so, why is this necessary? check over here Top kenn Posts: 13 Joined: 2014/07/06 09:25:44 Re: /boot/efi partitions on software RAID1 Quote Postby kenn » 2014/07/07 11:39:08 Thank you for your kindness.I will try it later. Hot Network Questions Help! I have sole custody of my child but the child's father's brother claimed him as a tax deduction Why is this funny: 'Ok, well, it’s definite, two more weeks of winter' Raid 1 Multiple Partitions
Actually, keeping track of your disks is always a good idea. It just requires having enough SATA connections.From: the_rusted_one Reply Actually, it is much easier than all that. Here's what you do (PREFERABLY BEFORE the failure event, but still this At grub prompt, type 'root (hd0,2)' when the argument is the path you've found at the point 3 7. his comment is here There have been various patches to the kernel which would allow partitioning of RAID devices, but none of them have (as of this writing) made it into the kernel.
If the disks are smaller than 2TB each, the MBR partition style is good enough. Increase Size Of Raid 1 Array rw 256 512 4096 0 2000398934016 /dev/sda rw 256 512 1024 34 666996163584 /dev/sda1 rw 256 512 512 1302726916 1333402736128 /dev/sda2 So this seemd to be the cause of the trouble. From: Rodger Reply Thanks for the information, though once the drive has failed, all data will be lost, so I guess this is more of a consolation, for me.
I'm assuming you have your bootloader in MBR; if not, adjust arguments at point 7 and 8 1.
First we mark /dev/sdb1 as failed: mdadm --manage /dev/md0 --fail /dev/sdb1 The output of cat /proc/mdstat should look like this: server1:~#cat/proc/mdstatPersonalities:[linear][multipath][raid0][raid1][raid5][raid4][raid6][raid10]md0:activeraid1sda1sdb1(F)24418688blocks[2/1][U_] md1:activeraid1sda2sdb224418688blocks[2/2][UU] unuseddevices:
Due to licensing reasons, on Windows 7 Home Premium we can only create a RAID 0, "Striping", which is a useless type of RAID for data security. Some RAID setups will format the disks before creating a RAID out of them, others can convert a non-RAID disk into a RAID disk with no loss of data. What is the common problem when the system partition space is low? weblink We will find the option by right-clicking on the drive, but it will always be grayed-out, just taunting us with what it would be...