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тАО09-14-2004 11:01 AM
тАО09-14-2004 11:01 AM
mirror boot disk without MirrorDisk/UX software
I have a question:
Can I mirror boot disk and other not bootable disks without MirrorDisk/UX software?? Or is this indispensable on HP-UX for management mirroring??
Thanks
Ciao
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тАО09-14-2004 11:13 AM
тАО09-14-2004 11:13 AM
Re: mirror boot disk without MirrorDisk/UX software
MirrorDisk/UX is sure has become one of the must-haves in any production data center server these days.
But there are ways to circumvent, again obviously with disadvantages.
you can use dd command to copy from one disk to an another and create a Mirror-kind copy.
Couple of things
1) At its best, it is just a static copy
2) If the primary disk breaks, system will not start using the mirror disk automatically.
above said, you can schedule a cron job that executes the following command
dd if=/dev/rdsk/
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тАО09-14-2004 03:06 PM
тАО09-14-2004 03:06 PM
Re: mirror boot disk without MirrorDisk/UX software
MirrorDisk/UX is indeed indispensible for production and development systems. Just one disk failure will be much more costly in downtime than purchasing this product.
Bill Hassell, sysadmin
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тАО09-14-2004 04:11 PM
тАО09-14-2004 04:11 PM
Re: mirror boot disk without MirrorDisk/UX software
Now if you want to go vxvm, you can mirror the root disk without an upgrade.
I like LVM and mirror/ux better.
SEP
Owner of ISN Corporation
http://isnamerica.com
http://hpuxconsulting.com
Sponsor: http://hpux.ws
Twitter: http://twitter.com/hpuxlinux
Founder http://newdatacloud.com
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тАО09-14-2004 05:39 PM
тАО09-14-2004 05:39 PM
Re: mirror boot disk without MirrorDisk/UX software
Sunil
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тАО09-14-2004 08:20 PM
тАО09-14-2004 08:20 PM
Re: mirror boot disk without MirrorDisk/UX software
Thanks for your support, I will try also vxvm
bye
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тАО09-15-2004 09:02 PM
тАО09-15-2004 09:02 PM
Re: mirror boot disk without MirrorDisk/UX software
Off course if you have bootable Fibre Channel Cards ... you can put your boot disks on an array ... Which you can Raid1 or Raid5.
Just a thought.
Regards
Gerhard