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тАО11-06-2000 11:45 AM
тАО11-06-2000 11:45 AM
raw devices - moving to new disk.
Is the following steps ok.
1. create raw devices on new disk of the same size as on the old/existing disks.
2, shutdown the sybase.
3. dd if=/dev/vg??/rlvol?? of=/dev/vg??/rvol?? bs=64k - for each of raw devices.
4. start the sybase database - i think i need to change the mappng some where is
sybase - so its points to correct/new device,
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тАО11-06-2000 11:33 PM
тАО11-06-2000 11:33 PM
Re: raw devices - moving to new disk.
you procedure seems ok to me.
Regards
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тАО11-07-2000 12:25 AM
тАО11-07-2000 12:25 AM
Re: raw devices - moving to new disk.
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тАО11-13-2000 02:04 AM
тАО11-13-2000 02:04 AM
Re: raw devices - moving to new disk.
Another way of achieving this (and keeping the database server online) would be to use the Sybase command 'DISK MIRROR' to mirror to the new device and then break the mirror using 'DISK UNMIRROR' and setting the SIDE to "SECONDARY".
hope this helps.
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тАО11-13-2000 03:06 AM
тАО11-13-2000 03:06 AM
Re: raw devices - moving to new disk.
If you use dd you have to have your db down, instead add the new disks to the same VG as the existing ones and use pvmove to move your raw lvols to the new disks. Using this method your db can stay up and running!
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тАО11-13-2000 03:40 AM
тАО11-13-2000 03:40 AM
Re: raw devices - moving to new disk.
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тАО11-13-2000 03:45 AM
тАО11-13-2000 03:45 AM