isw device for volume broken after opensuse livecd boot

Tiago Freitas tiago.frt at gmail.com
Thu Sep 27 18:02:11 UTC 2007


[root at localhost guest]# dmraid -b
/dev/sda:    312579695 total, "PVF904Z21DEXXN"
/dev/sdb:    312581808 total, "PVF904Z21HYVDN"
/dev/sdc:    312581808 total, "3JS39NKF"


The third disk is not a raid member but I think is checked for the
raid1 rebuild. I don't understand why the sector numbers are different
in the first two disks...they are the same model.

If the problem is not only the metadata, do I have to install windows
to the third disk to rebuild or is there a boot cd/usb solution? It
should exist...

This is the first time I use raid and I didn't expect frequent
failures. Is there a way to prevent them?


[root at localhost guest]# dmraid -n
/dev/sda (isw):
0x000 sig: "  Intel Raid ISM Cfg Sig. 1.2.00"
0x020 check_sum: 3197955174
0x024 mpb_size: 808
0x028 family_num: 4250497878
0x02c generation_num: 943
0x030 reserved[0]: 4080
0x034 reserved[1]: 2147483648
0x038 num_disks: 3
0x039 num_raid_devs: 2
0x03a fill[0]: 2
0x03b fill[1]: 0
0x040 filler[1]: 1125244694
0x0d8 disk[0].serial: "  PVF904Z21DEXXN"
0x0e8 disk[0].totalBlocks: 312579695
0x0ec disk[0].scsiId: 0x20000
0x0f0 disk[0].status: 0x53a
0x108 disk[1].serial: "        3JS39NKF"
0x118 disk[1].totalBlocks: 312581808
0x11c disk[1].scsiId: 0x50000
0x120 disk[1].status: 0x53a
0x138 disk[2].serial: "PVF904Z21HYVDN:0"
0x148 disk[2].totalBlocks: 312581632
0x14c disk[2].scsiId: 0xffffffff
0x150 disk[2].status: 0x2
0x168 isw_dev[0].volume: "           RAID0"
0x17c isw_dev[0].SizeHigh: 0
0x178 isw_dev[0].SizeLow: 167772160
0x180 isw_dev[0].status: 0xc
0x184 isw_dev[0].reserved_blocks: 0
0x1c0 isw_dev[0].vol.migr_state: 1
0x1c1 isw_dev[0].vol.migr_type: 1
0x1c2 isw_dev[0].vol.dirty: 0
0x1c3 isw_dev[0].vol.fill[0]: 0
0x1d8 isw_dev[0].vol.map.pba_of_lba0: 0
0x1dc isw_dev[0].vol.map.blocks_per_member: 83886344
0x1e0 isw_dev[0].vol.map.num_data_stripes: 327680
0x1e4 isw_dev[0].vol.map.blocks_per_strip: 256
0x1e6 isw_dev[0].vol.map.map_state: 0
0x1e7 isw_dev[0].vol.map.raid_level: 0
0x1e8 isw_dev[0].vol.map.num_members: 2
0x1e9 isw_dev[0].vol.map.reserved[0]: 1
0x1ea isw_dev[0].vol.map.reserved[1]: 1
0x1eb isw_dev[0].vol.map.reserved[2]: 1
0x208 isw_dev[0].vol.map.disk_ord_tbl[0]: 0x0
0x20c isw_dev[0].vol.map.disk_ord_tbl[1]: 0x1
0x210 isw_dev[0].vol.map.disk_ord_tbl[2]: 0x0
0x248 isw_dev[1].volume: "           RAID1"
0x25c isw_dev[1].SizeHigh: 0
0x258 isw_dev[1].SizeLow: 228683776
0x260 isw_dev[1].status: 0xc
0x264 isw_dev[1].reserved_blocks: 0
0x2a0 isw_dev[1].vol.migr_state: 1
0x2a1 isw_dev[1].vol.migr_type: 1
0x2a2 isw_dev[1].vol.dirty: 0
0x2a3 isw_dev[1].vol.fill[0]: 0
0x2b8 isw_dev[1].vol.map.pba_of_lba0: 83890440
0x2bc isw_dev[1].vol.map.blocks_per_member: 228684040
0x2c0 isw_dev[1].vol.map.num_data_stripes: 893296
0x2c4 isw_dev[1].vol.map.blocks_per_strip: 128
0x2c6 isw_dev[1].vol.map.map_state: 0
0x2c7 isw_dev[1].vol.map.raid_level: 1
0x2c8 isw_dev[1].vol.map.num_members: 2
0x2c9 isw_dev[1].vol.map.reserved[0]: 2
0x2ca isw_dev[1].vol.map.reserved[1]: 1
0x2cb isw_dev[1].vol.map.reserved[2]: 1
0x2e8 isw_dev[1].vol.map.disk_ord_tbl[0]: 0x0
0x2ec isw_dev[1].vol.map.disk_ord_tbl[1]: 0x1
0x2f0 isw_dev[1].vol.map.disk_ord_tbl[2]: 0x5001108

/dev/sdb (isw):
0x000 sig: "  Intel Raid ISM Cfg Sig. 1.2.00"
0x020 check_sum: 1183764248
0x024 mpb_size: 752
0x028 family_num: 2765561750
0x02c generation_num: 940
0x030 reserved[0]: 4080
0x034 reserved[1]: 2147483648
0x038 num_disks: 3
0x039 num_raid_devs: 2
0x03a fill[0]: 2
0x03b fill[1]: 0
0x040 filler[1]: 1125244694
0x0d8 disk[0].serial: "PVF904Z21DEXXN:1"
0x0e8 disk[0].totalBlocks: 312581632
0x0ec disk[0].scsiId: 0xffffffff
0x0f0 disk[0].status: 0x2
0x108 disk[1].serial: "  PVF904Z21HYVDN"
0x118 disk[1].totalBlocks: 312581808
0x11c disk[1].scsiId: 0x30000
0x120 disk[1].status: 0x53a
0x138 disk[2].serial: "PVF904Z21DEXXN:0"
0x148 disk[2].totalBlocks: 312579584
0x14c disk[2].scsiId: 0xffffffff
0x150 disk[2].status: 0x2
0x168 isw_dev[0].volume: "         RAID0:1"
0x17c isw_dev[0].SizeHigh: 0
0x178 isw_dev[0].SizeLow: 167772160
0x180 isw_dev[0].status: 0xc
0x184 isw_dev[0].reserved_blocks: 0
0x1c0 isw_dev[0].vol.migr_state: 1
0x1c1 isw_dev[0].vol.migr_type: 1
0x1c2 isw_dev[0].vol.dirty: 0
0x1c3 isw_dev[0].vol.fill[0]: 0
0x1d8 isw_dev[0].vol.map.pba_of_lba0: 0
0x1dc isw_dev[0].vol.map.blocks_per_member: 83886344
0x1e0 isw_dev[0].vol.map.num_data_stripes: 327680
0x1e4 isw_dev[0].vol.map.blocks_per_strip: 256
0x1e6 isw_dev[0].vol.map.map_state: 3
0x1e7 isw_dev[0].vol.map.raid_level: 0
0x1e8 isw_dev[0].vol.map.num_members: 2
0x1e9 isw_dev[0].vol.map.reserved[0]: 1
0x1eb isw_dev[0].vol.map.reserved[2]: 1
0x208 isw_dev[0].vol.map.disk_ord_tbl[0]: 0x1000000
0x20c isw_dev[0].vol.map.disk_ord_tbl[1]: 0x1
0x210 isw_dev[0].vol.map.disk_ord_tbl[2]: 0x0
0x248 isw_dev[1].volume: "         RAID1:1"
0x25c isw_dev[1].SizeHigh: 0
0x258 isw_dev[1].SizeLow: 228683776
0x260 isw_dev[1].status: 0xc
0x264 isw_dev[1].reserved_blocks: 0
0x2a0 isw_dev[1].vol.migr_state: 0
0x2a1 isw_dev[1].vol.migr_type: 1
0x2a2 isw_dev[1].vol.dirty: 0
0x2a3 isw_dev[1].vol.fill[0]: 0
0x2b8 isw_dev[1].vol.map.pba_of_lba0: 83890440
0x2bc isw_dev[1].vol.map.blocks_per_member: 228684040
0x2c0 isw_dev[1].vol.map.num_data_stripes: 893296
0x2c4 isw_dev[1].vol.map.blocks_per_strip: 128
0x2c6 isw_dev[1].vol.map.map_state: 2
0x2c7 isw_dev[1].vol.map.raid_level: 1
0x2c8 isw_dev[1].vol.map.num_members: 2
0x2c9 isw_dev[1].vol.map.reserved[0]: 2
0x2cb isw_dev[1].vol.map.reserved[2]: 1
0x2e8 isw_dev[1].vol.map.disk_ord_tbl[0]: 0x1000000
0x2ec isw_dev[1].vol.map.disk_ord_tbl[1]: 0x1
0x2f0 isw_dev[1].vol.map.disk_ord_tbl[2]: 0x5001108

/dev/sdc (isw):
0x000 sig: "  Intel Raid ISM Cfg Sig. 1.2.00"
0x020 check_sum: 3197955174
0x024 mpb_size: 808
0x028 family_num: 4250497878
0x02c generation_num: 943
0x030 reserved[0]: 4080
0x034 reserved[1]: 2147483648
0x038 num_disks: 3
0x039 num_raid_devs: 2
0x03a fill[0]: 2
0x03b fill[1]: 0
0x040 filler[1]: 1125244694
0x0d8 disk[0].serial: "  PVF904Z21DEXXN"
0x0e8 disk[0].totalBlocks: 312579695
0x0ec disk[0].scsiId: 0x20000
0x0f0 disk[0].status: 0x53a
0x108 disk[1].serial: "        3JS39NKF"
0x118 disk[1].totalBlocks: 312581808
0x11c disk[1].scsiId: 0x50000
0x120 disk[1].status: 0x53a
0x138 disk[2].serial: "PVF904Z21HYVDN:0"
0x148 disk[2].totalBlocks: 312581632
0x14c disk[2].scsiId: 0xffffffff
0x150 disk[2].status: 0x2
0x168 isw_dev[0].volume: "           RAID0"
0x17c isw_dev[0].SizeHigh: 0
0x178 isw_dev[0].SizeLow: 167772160
0x180 isw_dev[0].status: 0xc
0x184 isw_dev[0].reserved_blocks: 0
0x1c0 isw_dev[0].vol.migr_state: 1
0x1c1 isw_dev[0].vol.migr_type: 1
0x1c2 isw_dev[0].vol.dirty: 0
0x1c3 isw_dev[0].vol.fill[0]: 0
0x1d8 isw_dev[0].vol.map.pba_of_lba0: 0
0x1dc isw_dev[0].vol.map.blocks_per_member: 83886344
0x1e0 isw_dev[0].vol.map.num_data_stripes: 327680
0x1e4 isw_dev[0].vol.map.blocks_per_strip: 256
0x1e6 isw_dev[0].vol.map.map_state: 0
0x1e7 isw_dev[0].vol.map.raid_level: 0
0x1e8 isw_dev[0].vol.map.num_members: 2
0x1e9 isw_dev[0].vol.map.reserved[0]: 1
0x1ea isw_dev[0].vol.map.reserved[1]: 1
0x1eb isw_dev[0].vol.map.reserved[2]: 1
0x208 isw_dev[0].vol.map.disk_ord_tbl[0]: 0x0
0x20c isw_dev[0].vol.map.disk_ord_tbl[1]: 0x1
0x210 isw_dev[0].vol.map.disk_ord_tbl[2]: 0x0
0x248 isw_dev[1].volume: "           RAID1"
0x25c isw_dev[1].SizeHigh: 0
0x258 isw_dev[1].SizeLow: 228683776
0x260 isw_dev[1].status: 0xc
0x264 isw_dev[1].reserved_blocks: 0
0x2a0 isw_dev[1].vol.migr_state: 1
0x2a1 isw_dev[1].vol.migr_type: 1
0x2a2 isw_dev[1].vol.dirty: 0
0x2a3 isw_dev[1].vol.fill[0]: 0
0x2b8 isw_dev[1].vol.map.pba_of_lba0: 83890440
0x2bc isw_dev[1].vol.map.blocks_per_member: 228684040
0x2c0 isw_dev[1].vol.map.num_data_stripes: 893296
0x2c4 isw_dev[1].vol.map.blocks_per_strip: 128
0x2c6 isw_dev[1].vol.map.map_state: 0
0x2c7 isw_dev[1].vol.map.raid_level: 1
0x2c8 isw_dev[1].vol.map.num_members: 2
0x2c9 isw_dev[1].vol.map.reserved[0]: 2
0x2ca isw_dev[1].vol.map.reserved[1]: 1
0x2cb isw_dev[1].vol.map.reserved[2]: 1
0x2e8 isw_dev[1].vol.map.disk_ord_tbl[0]: 0x0
0x2ec isw_dev[1].vol.map.disk_ord_tbl[1]: 0x1
0x2f0 isw_dev[1].vol.map.disk_ord_tbl[2]: 0x5001108




On 9/27/07, Fang, Ying <ying.fang at intel.com> wrote:
> Hi Tiago,
>
> I'd like to investigate why OROM misunderstood the ISW metadata written
> by iMSM. From the below info, OROM failed to detect one hard drive in
> the array.
>
> Could you run "dmraid -b" and "dmraid -n" on your system? The first one
> shows the current hard drive info and the latter displays the metadata
> on disks. Those may give me a clue which hard drive caused the hiccup.
>
> I try to repair your metadata if possible. Please wait for a short time.
>
> Thanks,
> Ying
> >------------------------------
> >
> >Message: 3
> >Date: Wed, 26 Sep 2007 19:34:30 +0100
> >From: "Tiago Freitas" <tiago.frt at gmail.com>
> >Subject: Re: isw device for volume broken after opensuse livecd boot
> >To: "ATARAID (eg, Promise Fasttrak,    Highpoint 370) related
> >       discussions" <ataraid-list at redhat.com>
> >Message-ID:
> >       <79af7a390709261134y4e4f6bb0w5ad080beed4b6f25 at mail.gmail.com>
> >Content-Type: text/plain; charset=ISO-8859-1
> >
> >Ok, now it's even stanger. I changed the sata cables to other sata
> >ports and now the matrix storage manager says I have 4 volumes:
> >
> >0  RAID0:1   80Gb       Failed
> >1  RAID1:1  109.0Gb   Degraded
> >2  RAID0     80Gb        Failed
> >3  RAID1     109.0Gb   Degraded
> >
> >Port
> >0     Hitachi        149.1GB     Member Disk(0,1)
> >1     Hitachi        149.1GB     Member Disk(2,3)
> >
> >While researching I found that with that this "offline member" error
> >happens a lot to intel matrix raid users. Some just a few hours after
> >setup because of a bad shutdown. What does this mean? Is a UPS needed
> >for matrix raid?
> >
> >If someone can use the metadata to investigate this, please ask me for
> >it until I redo the arrays.
> >
>
> _______________________________________________
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