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тАО07-20-2001 02:17 AM
тАО07-20-2001 02:17 AM
Can anybody tell me how to configure a Mirror Disk?
Hi,
We have an HP9000/L2000, with two Seagate ST318404LC UW SCSI Single-Ended disks. Have already installed HP-UX version B.11.00 and the license of MirrorDisk/UX on one of those. We want to make a mirror, but don,t know how to. Could anyboy help us?.
Thanks in advance, David.
We have an HP9000/L2000, with two Seagate ST318404LC UW SCSI Single-Ended disks. Have already installed HP-UX version B.11.00 and the license of MirrorDisk/UX on one of those. We want to make a mirror, but don,t know how to. Could anyboy help us?.
Thanks in advance, David.
3 REPLIES 3
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тАО07-20-2001 04:17 AM
тАО07-20-2001 04:17 AM
Re: Can anybody tell me how to configure a Mirror Disk?
Hi
I hope U installed HPUX in one 18GB HDD..right? Its VG is vg00..right?
Follow this
#ioscan -fnC disk
Now U will get the device file for both HDDs. Find out the device file for the second HDD. Then
#pvcreate -f /dev/dsk/cxtxdx
Be carefull...Don't do this on OS installed HDD. Then
#vgextend /dev/vg00 /dev/dsk/cxtxdx
How many LVs U created in vg00? Find out by using
#vgdisplay -v /dev/vg00 |pg
Then
I assume that U are having lvol1 as boot, lvol2 as swap, and lvol3 as root. Now
#lvextend -m 1 /dev/vg00/lvol1 /dev/dsk/cxtxdx
#lvextend -m 1 /dev/vg00/lvol2 /dev/dsk/cxdxtx
#lvextend -m 1 /dev/vg00/lvol3 /dev/dsk/cxdxtx
Now ur these three volumes are mirrored to the second HDD. U can verify by using
#lvdisplay -v /dev/vg00/lvol1 |pg
And so on
Best of luck
Shahul
I hope U installed HPUX in one 18GB HDD..right? Its VG is vg00..right?
Follow this
#ioscan -fnC disk
Now U will get the device file for both HDDs. Find out the device file for the second HDD. Then
#pvcreate -f /dev/dsk/cxtxdx
Be carefull...Don't do this on OS installed HDD. Then
#vgextend /dev/vg00 /dev/dsk/cxtxdx
How many LVs U created in vg00? Find out by using
#vgdisplay -v /dev/vg00 |pg
Then
I assume that U are having lvol1 as boot, lvol2 as swap, and lvol3 as root. Now
#lvextend -m 1 /dev/vg00/lvol1 /dev/dsk/cxtxdx
#lvextend -m 1 /dev/vg00/lvol2 /dev/dsk/cxdxtx
#lvextend -m 1 /dev/vg00/lvol3 /dev/dsk/cxdxtx
Now ur these three volumes are mirrored to the second HDD. U can verify by using
#lvdisplay -v /dev/vg00/lvol1 |pg
And so on
Best of luck
Shahul
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тАО07-20-2001 06:03 AM
тАО07-20-2001 06:03 AM
Re: Can anybody tell me how to configure a Mirror Disk?
To mirror boot disk, it's not just using lvextend.. You would also need to put in the bootstring.
Here is what i do:
1. pvcreate -B /dev/rdsk/
2. vgextend /dev/vg00 /dev/dsk/
3. mkboot /dev/dsk/
4. mkboot -a "hpux -lq" /dev/rdsk/
5.lvextend -m 1 /dev/vg00/lvol1 /dev/dsk/
Repeat step 5 for any additional logical volumnes that need to be mirrored.
6. lvlnboot -R
Reboot system, hit escape key to stop autoboot.
Boot system from the second disk to verify it.
Reboot again with autoboot from primary disk.
You will get many hits by doing a search for "boot disk mirroring" in the forum.
Here is what i do:
1. pvcreate -B /dev/rdsk/
2. vgextend /dev/vg00 /dev/dsk/
3. mkboot /dev/dsk/
4. mkboot -a "hpux -lq" /dev/rdsk/
5.lvextend -m 1 /dev/vg00/lvol1 /dev/dsk/
Repeat step 5 for any additional logical volumnes that need to be mirrored.
6. lvlnboot -R
Reboot system, hit escape key to stop autoboot.
Boot system from the second disk to verify it.
Reboot again with autoboot from primary disk.
You will get many hits by doing a search for "boot disk mirroring" in the forum.
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тАО07-20-2001 09:36 AM
тАО07-20-2001 09:36 AM
Re: Can anybody tell me how to configure a Mirror Disk?
The full procedure is stepped through in the "Managing System and Workgroups" manual, B2355-90157, E1097, page 386. You can also find this manual on the docs.hp.com site. Search for "Mirroring the Root, Boot"
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