How do I replace a drive on a RAID 10 array (Adaptec 2200S)?
Hi,
some time ago, I got an Adaptec 2200S raid controller and four Fujitsu
MAS3367NP hard disk drives (36.7 GB, 15,000 rpm). I created a RAID 10 array
using the controller bios ("Adaptec Array Configuration Utility") and everything
worked fine. In the "ACU", the RAID 10 array consists of two RAID 1 arrays -
#62 (with SCSI-IDs 1 and 3) and #63 (IDs 0 and 2).
A few days ago, the SCSI-ID 0 disk drive failed and my RAID 10 array showed
up as degraded when booting (Following Arrays have missing or rebuilding or
failed members and are degraded: "Array#0-RAID-0", "Array#63-RAID-1").
I rejected the new configuration when asked and had a look in the controller
bios ("ACU"). I did not change anything, did not boot the system, powered off,
bought a new MAS3367NP, set it to the same SCSI-ID 0 and replaced the old
ID 0 disk drive. Now, in the "ACU", my RAID 1 array #63 of course has only one
member and still shows up as degraded.
Because I don't have a backup of the data on the array and 'cause I'm not (yet)
a raid expert, I need to know precisely what steps to take to integrate the ID 0
replacement disk into my existing array #63. Would the following be correct?
- Accept the new configuration when asked
- initialize the ID 0 drive listed
- somehow add the ID 0 drive to the array again
- tell the controller to write the array information back onto the disk - how?
Thanks in advance for your help and for taking the time to read my post.
Best regards,
Lars
|
0 |
|
Lars
11/19/2004 1:02:27 AM
comp.periphs.scsi
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Hello, I built a RAID-10 array via mdadm, but it is not starting up automatically at boot. The RAID-10 array is /dev/md3, and is comprised of /dev/md1 and /dev/ md2. When the system boots, /dev/md1 and /dev/md2 are started automatically, however /dev/md3 never starts. I must manually run 'mdadm -A /dev/md3'. Obviously the partition types are set to 'fd' as /dev/md1 and /dev/md2 are starting automatically, and I generated a valid mdadm.conf with 'mdadm --detail --scan > /etc/mdadm.conf'. What am I missing here? Todd ...
Replacing SCSI Hard Drive on Indy 5000
Hi, I have an Indy 5000 and the scsi hard drive died. I put in a SCSI hard drive with the same size but this hard drive is formatted in DOS. When I try to install IRIX through an attached CD Rom, it finds the drive but it gives me a message that there is no valid swap partition. Is there a way to boot from the CD and partition this drive? Also, is there a limitation to drive size? If I put in a Seagate Hawk 4 GB SCSI, seems it does not find it. I checked the termination, it looks as per the manual. Thanks, RdR RdR wrote: > Hi, > I have an Indy 5000 and the scsi hard drive died. I put in a SCSI hard drive > with the same size but this hard drive is formatted in DOS. When I try to > install IRIX through an attached CD Rom, it finds the drive but it gives me > a message that there is no valid swap partition. Is there a way to boot from > the CD and partition this drive? You have to start fx.ARCS <http://futuretech.blinkenlights.nl/6.5inst.html> <http://software.majix.org/irix/install-bootcd.shtml> > Also, is there a limitation to drive size? If I put in a Seagate Hawk 4 GB > SCSI, seems it does not find it. I checked the termination, it looks as per > the manual. My Indy 4400 has a 8GB HD and next I'll try a Seagate Cheetah with 18GB. The disk should have ID=1 (ID=0 is the controller) Toni I believe there is a limit to the size of HD in an Indy, dictated by the controller IC probably, but I think it's way ...
Raid 5 or Raid 10?
DB2 LUW v8.2 FP 14 RHAS 2.1 Not trying to start a flame war or anything, but does anyone have an opinion regarding whether to use Raid 5 or Raid 10 w/ DB2? We have an EMC SAN (a Clariion CX600 I believe). My SysAdmin and I are discussing which raid type to use. Several years ago during my Informix DBA days, Art Kagel and other well-informed folks on C.D.I. would occasionally point out how raid 5 w/ database is a BAD idea, and how raid 10 should always be used. With SAN advances (cache, memory, speed, etc..), does this still apply? My SysAdmin thinks Raid 5 is a better way to go. All of my tablespace containers are DMS (typically 2 gigabytes each), except for temp space, which are SMS. TIA aj On Apr 16, 8:54 am, aj <ron...@mcdonalds.com> wrote: > DB2 LUW v8.2 FP 14 RHAS 2.1 > > Not trying to start a flame war or anything, but does anyone have an > opinion regarding whether to use Raid 5 or Raid 10 w/ DB2? > > We have an EMC SAN (a Clariion CX600 I believe). My SysAdmin and I > are discussing which raid type to use. Several years ago during my > Informix DBA days, Art Kagel and other well-informed folks on C.D.I. > would occasionally point out how raid 5 w/ database is a BAD idea, and > how raid 10 should always be used. > > With SAN advances (cache, memory, speed, etc..), does this still apply? > My SysAdmin thinks Raid 5 is a better way to go. > > All of my tablespace conta...
Web resources about - How do I replace a drive on a RAID 10 array (Adaptec 2200S)? - comp.periphs.scsi
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