As I was recomended to send my question to this address, I do: > Re From: NeilBrown <neilb@xxxxxxxx> > On Mon, May 15 2017, jan.weber@xxxxxxxx wrote: > Sorry to interrupt you. I'm sorry, but I don't provide private consulting for free. Please post your question to linux-raid@xxxxxxxxxxxxxxx (you will need to make sure the email only contains text, no html component). NeilBrown > > I need to assemble and get data from FakeRAID 5 originaly build on Windows 7 64 OS form 4 disk. > But the system failed, and I have to save the data. I cannot start the array neither with mdadm neither the dmraid. > The FakeRAID is managed by AMD RAID controller: > > 00:11.0 RAID bus controller: Advanced Micro Devices, Inc. [AMD/ATI] SB7x0/SB8x0/SB9x0 SATA Controller [RAID5 mode] (rev 40) > Subsystem: ASRock Incorporation SB7x0/SB8x0/SB9x0 SATA Controller [RAID5 mode] > Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- > Status: Cap+ 66MHz+ UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx- > Latency: 32 > Interrupt: pin A routed to IRQ 19 > NUMA node: 0 > Region 0: I/O ports at f040 [size=8] > Region 1: I/O ports at f030 [size=4] > Region 2: I/O ports at f020 [size=8] > Region 3: I/O ports at f010 [size=4] > Region 4: I/O ports at f000 [size=16] > Region 5: Memory at feb0b000 (32-bit, non-prefetchable) [size=1K] > Capabilities: [70] SATA HBA v1.0 InCfgSpace > Capabilities: [a4] PCI Advanced Features > AFCap: TP+ FLR+ > AFCtrl: FLR- > AFStatus: TP- > Kernel driver in use: ahci > Kernel modules: ahci > > The mdadm --examine /dev/sda [bcd] gives nothing, > but on the disks themselves, there is a 32256 byte area before the end of each disk > with some kind of “metadata” saying that the system is Promise Technology: > > /dev/sda > 2baa146e200 50 72 6f 6d 69 73 65 20 54 65 63 68 6e 6f 6c 6f |Promise Technolo| > 2baa146e210 67 79 2c 20 49 6e 63 2e 00 00 02 00 87 a1 58 58 |gy, Inc.......XX| > 2baa146e220 41 f6 00 00 87 a1 58 58 41 f6 01 01 00 d3 d2 d1 |A.....XXA.......| > 2baa146e230 d0 cf ce cd cc cb ca c9 c8 c7 c6 c5 c4 c3 c2 c1 |................| > 2baa146e240 c0 bf be bd bc bb ba b9 b8 b7 b6 b5 b4 b3 b2 b1 |................| > 2baa146e250 b0 af ae ad ac ab aa a9 a8 a7 a6 a5 a4 a3 a2 a1 |................| > /dev/sdb > 2baa146e200 50 72 6f 6d 69 73 65 20 54 65 63 68 6e 6f 6c 6f |Promise Technolo| > 2baa146e210 67 79 2c 20 49 6e 63 2e 00 00 02 00 87 a1 58 58 |gy, Inc.......XX| > 2baa146e220 34 f8 01 00 87 a1 58 58 34 f8 01 01 00 d3 d2 d1 |4.....XX4.......| > 2baa146e230 d0 cf ce cd cc cb ca c9 c8 c7 c6 c5 c4 c3 c2 c1 |................| > 2baa146e240 c0 bf be bd bc bb ba b9 b8 b7 b6 b5 b4 b3 b2 b1 |................| > 2baa146e250 b0 af ae ad ac ab aa a9 a8 a7 a6 a5 a4 a3 a2 a1 |................| > /dev/sdc > 2baa146e200 50 72 6f 6d 69 73 65 20 54 65 63 68 6e 6f 6c 6f |Promise Technolo| > 2baa146e210 67 79 2c 20 49 6e 63 2e 00 00 02 00 88 a1 58 58 |gy, Inc.......XX| > 2baa146e220 46 fa 02 00 88 a1 58 58 46 fa 01 01 00 d3 d2 d1 |F.....XXF.......| > 2baa146e230 d0 cf ce cd cc cb ca c9 c8 c7 c6 c5 c4 c3 c2 c1 |................| > 2baa146e240 c0 bf be bd bc bb ba b9 b8 b7 b6 b5 b4 b3 b2 b1 |................| > 2baa146e250 b0 af ae ad ac ab aa a9 a8 a7 a6 a5 a4 a3 a2 a1 |................| > /dev/sdd > 2baa146e200 50 72 6f 6d 69 73 65 20 54 65 63 68 6e 6f 6c 6f |Promise Technolo| > 2baa146e210 67 79 2c 20 49 6e 63 2e 00 00 02 00 88 a1 58 58 |gy, Inc.......XX| > 2baa146e220 59 fc 03 00 88 a1 58 58 59 fc 01 01 00 d3 d2 d1 |Y.....XXY.......| > 2baa146e230 d0 cf ce cd cc cb ca c9 c8 c7 c6 c5 c4 c3 c2 c1 |................| > 2baa146e240 c0 bf be bd bc bb ba b9 b8 b7 b6 b5 b4 b3 b2 b1 |................| > 2baa146e250 b0 af ae ad ac ab aa a9 a8 a7 a6 a5 a4 a3 a2 a1 |................| > > > I have also found in that area the name of the array : “pole” : > > /dev/sda > 2baa146e440 07 02 01 00 25 01 f8 00 00 00 01 00 07 04 02 00 |....%...........| > 2baa146e450 25 01 f9 00 00 00 02 00 07 06 03 00 25 01 fa 00 |%...........%...| > 2baa146e460 00 00 03 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| > 2baa146e470 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| > * > 2baa146e490 00 00 00 00 70 6f 6c 65 00 00 00 00 00 00 00 00 |....pole........| > 2baa146e4a0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| > * > 2baa146e4d0 00 00 00 00 00 00 00 03 ff ff ff ff ff ff ff ff |................| > 2baa146e4e0 01 01 01 00 00 00 01 00 04 00 00 00 00 08 00 00 |................| > 2baa146e4f0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| > /dev/sdb > 2baa146e440 07 02 01 00 25 01 f8 00 00 00 01 00 07 04 02 00 |....%...........| > 2baa146e450 25 01 f9 00 00 00 02 00 07 06 03 00 25 01 fa 00 |%...........%...| > 2baa146e460 00 00 03 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| > 2baa146e470 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| > * > 2baa146e490 00 00 00 00 70 6f 6c 65 00 00 00 00 00 00 00 00 |....pole........| > 2baa146e4a0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| > * > 2baa146e4d0 00 00 00 00 00 00 00 03 ff ff ff ff ff ff ff ff |................| > 2baa146e4e0 01 01 01 00 00 00 01 00 04 00 00 00 00 08 00 00 |................| > 2baa146e4f0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| > /dev/sdc > 2baa146e440 07 02 01 00 25 01 f8 00 00 00 01 00 07 04 02 00 |....%...........| > 2baa146e450 25 01 f9 00 00 00 02 00 07 06 03 00 25 01 fa 00 |%...........%...| > 2baa146e460 00 00 03 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| > 2baa146e470 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| > * > 2baa146e490 00 00 00 00 70 6f 6c 65 00 00 00 00 00 00 00 00 |....pole........| > 2baa146e4a0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| > * > 2baa146e4d0 00 00 00 00 00 00 00 03 ff ff ff ff ff ff ff ff |................| > 2baa146e4e0 01 01 01 00 00 00 01 00 04 00 00 00 00 08 00 00 |................| > 2baa146e4f0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| > /dev/sdd > 2baa146e440 07 02 01 00 25 01 f8 00 00 00 01 00 07 04 02 00 |....%...........| > 2baa146e450 25 01 f9 00 00 00 02 00 07 06 03 00 25 01 fa 00 |%...........%...| > 2baa146e460 00 00 03 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| > 2baa146e470 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| > * > 2baa146e490 00 00 00 00 70 6f 6c 65 00 00 00 00 00 00 00 00 |....pole........| > 2baa146e4a0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| > * > 2baa146e4d0 00 00 00 00 00 00 00 03 ff ff ff ff ff ff ff ff |................| > 2baa146e4e0 01 01 01 00 00 00 01 00 04 00 00 00 00 08 00 00 |................| > 2baa146e4f0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| > > > Please, can be the mdadm forced to read the metadata form indicated area, or how can be this kind of FakeRAID accesed? > > I was sucessful with various kind of “unrecognized” arrays telling the mdadm the guesed configuration > included the chunk size and raid level. But with this FakeRAID I can do nothing. > > Thank for any answer > > dr. Weber -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
