Date: Mon, 3 Jun 2013 09:14:41 +0200 From: Alban Hertroys <haramrae@gmail.com> To: Warren Block <wblock@wonkity.com> Cc: Kimmo Paasiala <kpaasial@gmail.com>, freebsd-stable@freebsd.org Subject: Re: Corrupt GPT header on disk from twa array - fixable? Message-ID: <BC5DD2FA-694A-42C5-A01D-FA8184E2922A@gmail.com> In-Reply-To: <alpine.BSF.2.00.1306021652370.11885@wonkity.com> References: <EA2DCEC2-8B07-434B-8B60-8AB15B3788F7@gmail.com> <7ABBEE71A96E411793E41BD97DA72BCE@multiplay.co.uk> <CA%2B7WWSe7O9%2Bxq3UEJ%2B%2BtM1d3tphf7pWU=n4DoQY8XZq39RRScQ@mail.gmail.com> <2943982C-719E-45D0-9B26-43B725738F83@gmail.com> <alpine.BSF.2.00.1306020834050.8625@wonkity.com> <3659A498-F0EA-4AF3-80EA-40038DCA9CC7@gmail.com> <alpine.BSF.2.00.1306021156010.9922@wonkity.com> <EEDDED25-364C-4637-AAE5-F215D41A2D6C@gmail.com> <alpine.BSF.2.00.1306021652370.11885@wonkity.com>
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On Jun 3, 2013, at 1:09, Warren Block <wblock@wonkity.com> wrote: > On Mon, 3 Jun 2013, Alban Hertroys wrote: >>>=20 >>> Really, the easiest way would be to temporarily install the old RAID = controller and copy the data off the array. >>=20 >> Well, that would mean I'd have to assemble the old server again, as = the controller is not compatible with the hardware in the new one. And = that would probably be unnecessary as well, since I already did copy the = data off those disks. >>=20 >> I was just curious whether it would be possible to read that data off = the disks while I still have them (with their original contents) in the = new server in the eventuality that I _did_ forget to copy something over = or that something wasn't copied over correctly. >>=20 >> I copied the data over a 100MBit ethernet link, which was the fastest = option I had with the old server; it had USB1 and no native SATA. Hence = the RAID controller, but that was on a now deprecated PCI-X channel = (those 64-bit parallel things) and all 4 ports were in use. Not to = mention that the CPU was so old that it had a rather narrow margin for = operating temperatures and overheated several times during the copying = process, because rsync+sshd put a relatively high load on the CPU (An = old Athlon XP 2000+). >=20 > PCI-X cards will operate in PCI slots. Or at least some will; I've = done that with an Intel network card. The motherboard can't have = components that block the unused part of the edge connector, or the = offending card edge could be removed with extreme prejudice. Not this 3Ware card. I remember buying that particular motherboard = because the card wouldn't fit in the PCI slots on the board I had. = There's a division in those PCI-X slots opposite of where there's one in = normal PCI slots and no groove in the card to match the division in the = PCI slot. Alban Hertroys -- If you can't see the forest for the trees, cut the trees and you'll find there is no forest.
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