Perc5/6 are using DDF which is located at the end of a drive. So using it on a regular SATA controller shouldn't be the problem, though I haven't tried myself yet.
But a dd will copy that DDF data as well and might give you trouble to change your partition layout. Jens. From: [email protected] [mailto:[email protected]] On Behalf Of Fabio Catunda Sent: 20 April 2010 17:10 To: linux-poweredge-Lists Subject: Re: Hot disk change. Tino and Jens, # fdisk -l (with comments about what is what) /dev/sda1 1 243 1951866 82 Linux swap / Solaris (SWAP) /dev/sda2 * 244 729 3903795 83 Linux (/boot) /dev/sda3 730 3161 19535040 83 Linux (/) /dev/sda4 3162 30318 218138602+ 83 Linux (/var) I'm not that worried with the partition table because I can just delete the partition, create it again with the new size and use resize2fs to resize the file system. Usually I do that with virtual machines and it works, shouldn't be different with a real hardware, right!? I'm really worried to know it Linux would be able to read the old disk connected on a different SATA port. Cupertino, I got worried with your solution because I don't know is I can expand the virtual disk and things like that, I don't have much expertise with RAID controllers. And if something goes wrong (read: if I make something wrong), I will loose everything. I do have backup and everything, but I prefer a short downtime. Thanks again. Fábio Catunda. Tino Schwarze wrote: Hi Fabio, do you have some kind of LVM or other means of volume management in place? What's your partition setup like? Please post output of df -h. Tino. On Tue, Apr 20, 2010 at 11:28:58AM -0300, Fabio Catunda wrote: Thanks for all responses. Now I see that I am in trouble. I really cannot install everything from zero, it will take too long and might not work. I would like to know your opinion about the following procedure: 1 - Shutdown 2 - Remove both disks 3 - Plug both 2TB new disks and create a new virtual disk on the controller 4 - Plug one of the old 250GB disks in a separate SATA connector 5 - dd if=/dev/sdb of=/dev/sda (where sdb is the old disk and sda is the new virtual disk) 6 - fstab, resize2fs, etc, etc...! I really don't know if the OS will recognize and be able to read the old disk plugged in another SATA connector. Thanks in advance. Fábio Catunda. _______________________________________________ Linux-PowerEdge mailing list [email protected] https://lists.us.dell.com/mailman/listinfo/linux-poweredge Please read the FAQ at http://lists.us.dell.com/faq
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