Raid Write Error
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Gaming Smartphones Tablets Windows 8 PSUs Android Your question Get the answer Tom's Hardware>Forum>Storage>RAID 0 an error occurred but system still works> Solved RAID 0 an error occurred but system still works Tags: NAS / RAID Configuration Storage Last response: 10 January 2014 18:37 in Storage raid 0 error occurred (0) Share Design1stcode2nd 1 January 2014 21:25:54 When my PC boots I'm seeing an "An error occurred" intel rapid storage technology raid error occurred (0) one the first listed HD. I have two 500gb drives in raid 0 config. So far the system boots into windows just fine. So
Raid 0 Error Occurred Fix
how do I go about fixing it? I assume one of the drives is bad? Can you even replace a drive in RAID 0? More about : raid error occurred system works popatim a c 1306 G Storage 1
Error Occurred (0) Hard Drive
January 2014 22:03:02 Run the raid management software and examine the logs. If this is chipset raid for AMD you'll want to install AMD's RaidXpert and for Intel its RST (rapid storage technology) And as always, your important data should always have backup copies on other devices available. m 0 l Design1stcode2nd 2 January 2014 00:40:35 Looks like the raid software I have is Intel Matrix Storage Console. And all it tells me is: "A hard drive has reported raid 1 error occurred 0 that a read or write to it has failed" Shows port 0 as having the error I don't see any sort of logging function. m 0 l Related resources Help needed. Raid 0 Error Occurred. - Tech Support how do i clear the cache in one of my RAID0 hard drives? when i boot one of the hard drives is coming up with "Error Occurred - Tech Support Raid 1 degraded error occurred(0) - Forum RAID0 Error Occurred - Forum SSD RAID 0 [Error Occured] - Tech Support Can't find your answer ? Ask ! Get the answer popatim a c 1306 G Storage 2 January 2014 04:03:20 I would test the drives individually, including a complete surface scan begining with the drive on port 0. Step 1 is always grabbing a current backup of your important data. If you dont have a seperate pc to test on, Download WD or Hitachis drive diagnostic DOS ISO tool and burn yourself a test disk. Leave the disk in the DVD drive , you'll be booting from it in a minute. Reboot the pc into bios and change the sata mode to ahci. and select the dvd drive as the boot device. Reboot and run the full/extended test. This will take about 2hrs per drive if I remember right. If the drives test good then enter the bios again and turn raid back on and make it
power failure. There are several ways to recover from this situation. Method (1): Use the raid
Intel Matrix Storage Manager Error Occurred 0 Raid 1
tools. These can be used to sync the raid arrays. They do raid error on boot up not fix file-system damage; after the raid arrays are sync'ed, then the file-system still has to be fixed ssd error occurred(0) with fsck. Raid arrays can be checked with ckraid /etc/raid1.conf (for RAID-1, else, /etc/raid5.conf, etc.) Calling ckraid /etc/raid1.conf --fix will pick one of the disks in the array (usually http://www.tomshardware.com/answers/id-1958495/raid-error-occurred-system-works.html the first), and use that as the master copy, and copy its blocks to the others in the mirror. To designate which of the disks should be used as the master, you can use the --force-source flag: for example, ckraid /etc/raid1.conf --fix --force-source /dev/hdc3 The ckraid command can be safely run without the --fix option to verify the http://tldp.org/HOWTO/Software-RAID-0.4x-HOWTO-4.html inactive RAID array without making any changes. When you are comfortable with the proposed changes, supply the --fix option. Method (2): Paranoid, time-consuming, not much better than the first way. Lets assume a two-disk RAID-1 array, consisting of partitions /dev/hda3 and /dev/hdc3. You can try the following: fsck /dev/hda3 fsck /dev/hdc3 decide which of the two partitions had fewer errors, or were more easily recovered, or recovered the data that you wanted. Pick one, either one, to be your new ``master'' copy. Say you picked /dev/hdc3. dd if=/dev/hdc3 of=/dev/hda3 mkraid raid1.conf -f --only-superblock Instead of the last two steps, you can instead run ckraid /etc/raid1.conf --fix --force-source /dev/hdc3 which should be a bit faster. Method (3): Lazy man's version of above. If you don't want to wait for long fsck's to complete, it is perfectly fine to skip the first three steps above, and move directly to the last two steps. Just be sure to run fsck /dev/md0 after you are done. Method (3) is actually just method (1) in disguise. In any
recovery software comparison "Write hole" phenomenon The "write hole" effect can happen if a power failure occurs during the write. It happens in all the array types, including but http://www.raid-recovery-guide.com/raid5-write-hole.aspx not limited to RAID5, RAID6, and RAID1. In this case it is https://steamcommunity.com/discussions/forum/1/620712999987865498/ impossible to determine which of data blocks or parity blocks have been written to the disks and which have not. In this situation the parity data does not match to the rest of the data in the stripe. Also, you cannot determine with confidence which data is incorrect - error occurred parity or one of the data blocks. Write hole in RAID5 "Write hole" is widely recognized to affect a RAID5, and most of the discussions of the "write hole" effect refer to RAID5. It is important to know that other array types are affected as well. If the user data is not written completely, usually a filesystem corrects the errors during the error occurred (0) reboot by replaying the transaction log. If a file system does not support journaling, the errors will still be corrected during the next consistency check (CHKDSK or fsck). If the parity (in RAID5) or the mirror copy (in RAID1) is not written correctly, it would be unnoticed until one of the array member disks fails. If the disk fails, you need to replace the failed disk and start RAID rebuild. In this case one of the blocks would be recovered incorrectly. If a RAID recovery is needed because of a controller failure, a mismatch of parity doesn't matter. A mismatch of parity or mirrored data can be recovered without user intervention, if at some later point a full stripe is written on a RAID5, or the same data block is written again in a RAID1. In such a case the old (incorrect) parity is not used, but new (correct) parity data would be calculated and then written. Also, new parity data would be written if you force the resynchronization of the array (this option is available for many RAID controllers and NAS). Ge
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