Home > Raid 1 > RAID 1: New Drive Not Mirroring.

RAID 1: New Drive Not Mirroring.


Some people may be concerned by a message at this step: sfdisk -d /dev/sda | sfdisk /dev/sdbsfdisk may stop on some systems and refuse to clone the partition table, saying:"Warning: extended Fast forward to the time that you install a replacement hard drive (this may be an hour later, or weeks later). Time consuming but pretty simple My old drives were 320 GB and the new ones are 1TB, so I'm left with the new drives containing the 320GB image and 600GB+ of There are two points in time where failure might happen: while the computer is on and you're using it, or somewhere between the computer being shut off and turned back on. http://puchinet.com/raid-1/raid-1-mirroring.php

I partitioned the new one with gfdisk but could not add it to the array. The manuals try to cover themselves with statements like, "Actual screens may appear different from the illustrations shown here." malcolm-hkJun 24, 2012, 12:07 PM I've just run into the same issue, July 13, 2010 Trevor Bekolay @ Will Yes, the RPM of the drive shouldn't make a difference. Boot up Windows, hit the start button, and in the search box type either "Create and" or "Disk man", and click "Create and Formant Hard Disk Partitions".

Raid 1 Hard Drive Replacement

by R. It works! thanks February 20, 2011 Christopher I do a mirror of my Windows 7 Home Edition once a week. Did you actually run this process on a Windows sever ? –H.DELESALE Sep 26 '11 at 16:26 Yes.

What does "most of mathematics" mean? type 'install (hd1)' 9. The status in the information pane will display 'Rebuilding % complete'. How To Rebuild Raid 1 Thanks again!

From: Paul Bruner Reply I think the auther needs to put in how to find the physical drive though.

Or does it matter? Raid 1 Hard Drive Failure Unfortunately with SATA it's not always easy to determine which drive is the faulty one. It took 4 1/2 hours to mirror the port 1, funky drive. First lets gain access to our files.

Old metadata should be erased before reusing the disk for a mirror. Rebuild Raid 1 After Drive Failure You have some (Microsoft?) oddball RAID 1 system here.My advice is to save your files and start fresh. Then the load of the HDD (writing to two partitions simultaneously) will be reduced.

From: ttr Reply Nope, if there are multiple arrays on one drive to be sync, they Common categories you may want to store on a redundant (same thing as "fault tolerant") array: years of pictures, videos, documents, music, and hard-to-replace software install packages.

Raid 1 Hard Drive Failure

Mirrors created with dissimilar drives will have a capacity equal to that of the smallest drive in the mirror. With the power OFF - UNPLUG the power cable to the computer - by re-seating the SATA connectors into the mobo and the HDD; do the same with the HDD power Raid 1 Hard Drive Replacement up vote 14 down vote favorite 3 If I have disks in a RAID-1 array, can I take one of them out and plug it into a different system to be Raid 1 Windows 10 Then the replacement disk, ada4 for this example, is inserted into the mirror:# gmirror insert gm0 /dev/ada4Resynchronization begins when the new drive is inserted into the mirror.

Physically removing /dev/sda would allow the system to run from /dev/sdb (so long as the boot loader was installed on /dev/sdb!), but if you put a new HD in /dev/sda, I weblink aomeitech.com/blog/… Add the new disks and then extend the partition. –DKNUCKLES Sep 26 '11 at 16:42 I'm pretty sure the OP will need to extend the array before he SphinxmothNov 22, 2009, 4:01 AM Thanks treefreo07!I actually did consider the steps you detail regarding 'wiggling the plugs' & "Reset to normal" earlier today, but I started having problems working on The procedure will be explained later.In either case, partition tables on the primary disk should be first copied using gpart backup and gpart restore.# gpart backup ada0 > table.ada0 # gpart Rebuild Raid 1 Without Losing Data

A world without natural time measures Why is the issuer certificate different at my workplace and at home? Now you expand the virtual disk in the RAID controller and let that update/sync, then expand the volume(s) in Windows 2008. Manually load the kernel module now:# gmirror loadCreate the mirror with the two new drives:# gmirror label -v gm0 /dev/ada1 /dev/ada2gm0 is a user-chosen device name assigned to the new mirror. navigate here Flag Permalink This was helpful (1) Collapse - Autobackups it is, then.

My system is Intel ICH10R, though. –RichN Dec 16 '09 at 6:54 1 I understand that your question in a "general case" but there is no general answer. Replace Raid 1 Drive With Larger Drive I coud not get the exact same make and model for my replacement HD. I can't really think of a practical reason to do this, but just in case you ever run into the situation of installing a drive from your mirror into a new

I had to go through the internal sata's for the option "Import foreign disk" to be available.

Mirrors are usually used to guard against data loss due to drive failure. This post has been flagged and will be reviewed by our staff. This was just the article I needed after one of my disks failed and I had to get the array back up and running. Break Raid 1 Without Losing Data Can I install Windows 10 in one hard drive and later add another one as RAID 1 configuration?

Works a treat!! Performance of the mirror will be greatly reduced during the copy, so inserting new drives is best done when there is low demand on the computer.Progress can be monitored with gmirror I have used your guide twice now with great results, once for a failed hard drive, and once because I took one drive out and booted it on another identical computer his comment is here share|improve this answer answered Dec 16 '09 at 6:39 Ronald Pottol 63135 add a comment| up vote 2 down vote You won't necessarily be able to access the disk as just

If you believe this post is offensive or violates the CNET Forums' Usage policies, you can report it below (this will not automatically remove the post).