Re: RAID HELP

From: Nergalsharazer (nergalsharazer_at_prodigy.net)
Date: 09/25/04 

Date: Fri, 24 Sep 2004 21:22:23 -0500

To your original question. Each disk in a RAID system holds part of the
information from all the other disks (this is called parity). (I am Assuming
you have a RAID 5 (not a Mirror which holds all of the information from all
the other disks or some striped RAID) Your RAID system will function if one
of the disks goes down because the other disks hold information from the
failed disk (this is true for mirror sets as well). The system will perform
slower because the information on the failed disk has to be accessed from
the remaining functioning disks. When you replace the failed disk you
should be able to restore the RAID system to it's original functionality.
This is done through Disk Management in the computer management MMC (ALT
click My computer and select manage) Also RAID 5 Can only be on dynamic
disks, and only on Windows 2000 Server or 2003 Servers. After you replace
the failed disk, convert it to dynamic, and format it, Right-click the
replaced disk, and then click Reactivate Disk. The RAID-5 volume's status
should change to Regenerating, then Healthy. I am out of time, this is only
a general answer, to a RAID-5 problem which I don't even know if that is
what you have or what OS you are using. Once the RAID 5 is repaired
transfer your info to a regular disk. Otherwise come up with you OS
version, RAID type (hardware or software) that will make your problem easier
to diagnose.
<anonymous@discussions.microsoft.com> wrote in message
news:19ac01c4a25d$654622d0$a301280a@phx.gbl...
>
> >-----Original Message-----
> >If I format a RAID system, how does it know to rebuild
> the
> >raid?
> >
> >I cannot get ridda the RAID.
> >
> >Why won't anyone help?
> >.
> >Turn off Raid in your BIOS.

Relevant Pages

  • slackware 9.1 software raid problem
    ... Setting up a RAID system with Slackware 8 is not extremely difficult once ... mirroring the root partition and booting from that mirror was not possible. ... Each disk is attached to a different IDE chain on the motherboard. ... The ability to boot from the Slackware 8 install CD. ...
    (alt.os.linux)
  • Re: Is it HighPoint, is it Seagate, or is it Windows 2000 Professional
    ... I have really learnt about the uses and limits of RAID. ... Use all the manufacturer recommended system recovery ... provisions -- Emergency Disk, have a DOS boot disk ready, ... what could cause Windows to suddenly change its mind ...
    (microsoft.public.win2000.setup)
  • Re: [opensuse] 10.2 no RAID to 11.0 RAID 1
    ... 10.2 no RAID to 11.0 RAID 1 ... you can force rebuilds in mdadm in situations where no firmware raid will ever let you. ... Send me your problem disks that you think are impossible to assemble and I bet in a little while I can tell you how to assemble the array as long as there actually is enough there to use. ... One thing I've seen, which I don't think is your problem but shows the kind of thing that happens, a disk will drop out of the array and reappear instantly as a higher drive letter than the system really has. ...
    (SuSE)
  • LVM on SW RAID for sarge - success
    ... I've just had success migrating Debian Sarge to root on LVM on RAID. ... First make sure the SCSI BIOS boots from the first disk. ... I made reiserfs on all the filesystem partitions and completed the ... The remaining two disks were partitioned and used to create RAID arrays ...
    (Debian-User)
  • Re: Platzierung und Größe der Auslagerungsdatei
    ... der Controller steckt, ... Bei der Latency ist die Raptor um Faktor 1,4, bei der Seektime um Faktor ... We recommend that you plan to use less than 80% disk utilization at ... Raid 0 has the same cost as no raid. ...
    (microsoft.public.de.german.windows.server.general)