<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <meta content="text/html;charset=ISO-8859-1" http-equiv="Content-Type"> <title></title> </head> <body bgcolor="#ffffff" text="#000000"> I must warn you that all these new tests and results have been done after SATA RAID has been DISABLED on bios and installed FC6 with the "nodmraid" option. <a class="moz-txt-link-freetext" href="http://www.latinsud.com/ddf1-HP_ML310-ICH7.tar.bz2">http://www.latinsud.com/ddf1-HP_ML310-ICH7.tar.bz2</a> After all that I've also been playing with source code, cleaned up code and compiled with debugging: <tt>/* Find the offset for this config/drive. */ static uint64_t get_offset(struct ddf1 *ddf1, struct ddf1_config_record *cr, struct ddf1_phys_drive *pd) { uint64_t * kk; int i = get_offset_entry(ddf1, cr, pd); if (i < 0) return pd->size; else { kk=CR_OFF(ddf1, cr); return kk[i]; } } </tt> Then I got this:<tt> Starting program: /root/dmraid/1.0.0.rc13-mio/tools/dmraid -s Program received signal SIGSEGV, Segmentation fault. 0x0806687b in get_offset (ddf1=0x9f55768, cr=0x9f567d0, pd=0x9f56000) at format/ddf/ddf1.c:189 189 return kk[i]; (gdb) bt #0 0x0806687b in get_offset (ddf1=0x9f55768, cr=0x9f567d0, pd=0x9f56000) at format/ddf/ddf1.c:189 #1 0x08068089 in group_rd (lc=0x9f54520, rs_group=0x9f58908, rd_group=0x9f54670) at format/ddf/ddf1.c:746 #2 0x0806831f in ddf1_group (lc=0x9f54520, rd=0x9f54670) at format/ddf/ddf1.c:817 #3 0x0805434f in dmraid_group (lc=0x9f54520, rd=0x9f54670) at metadata/metadata.c:657 #4 0x0805476c in group_set (lc=0x9f54520, name=0x0) at metadata/metadata.c:873 #5 0x0804bdb5 in build_sets (lc=0x9f54520, sets=0xbfd506ec) at toollib.c:69 #6 0x0804b96f in get_metadata (lc=0x9f54520, p=0x8073ce8, argv=0xbfd506ec) at commands.c:640 #7 0x0804baa7 in _perform (lc=0x9f54520, p=0x8073ce8, argv=0xbfd506ec) at commands.c:767 #8 0x0804bb7f in perform (lc=0x9f54520, argv=0xbfd506ec) at commands.c:787 #9 0x0804aa21 in main (argc=2, argv=0xbfd506ec) at dmraid.c:34 (gdb) print kk $1 = (uint64_t *) 0x9f969cc</tt> Where "kk" takes random values each execution. <tt> </tt>Then I tried a modification (without really knowing what i was doing) and it looks like it quite worked: <tt>ddf1_cr_off_maxpds_helper(...) { struct ddf1_header *h = ddf1->primary; printf("WAA %d %d\n", h->max_phys_drives , h->max_primary_elements); return h->max_phys_drives; /* Always return this, like assume adaptec_mode==1 */ } </tt> And I got this with "dmraid -s":<tt> Starting program: /root/dmraid/1.0.0.rc13-mio/tools/dmraid -s WAA 15 65535 WAA 15 65535 WAA 15 65535 WAA 15 65535 WAA 15 65535 WAA 15 65535 WAA 15 65535 WAA 15 65535 *** Group superset .ddf1_disks --> Subset name : ddf1_MiArray size : 312237824 stride : 128 type : mirror status : ok subsets: 0 devs : 2 spares : 0 Program exited normally.</tt> And with "dmraid -ay" (in dmesg): <tt>device-mapper: ioctl: 4.10.0-ioctl (2006-09-14) initialised: <a class="moz-txt-link-abbreviated" href="mailto:dm-devel@redhat.com">dm-devel@redhat.com</a> device-mapper: multipath: version 1.0.5 loaded ... device-mapper: table: 253:2: mirror: Device lookup failure device-mapper: ioctl: error adding target to table </tt> Sorry i never used dmraid or device-mapper before, does that mean it all worked except for device-mapper? By the way, this is what i did to get the last 32MB of each drive: <tt>dmesg | grep sda SCSI device sda: 312581808 512-byte hdwr sectors (160042 MB) ... dd if=/dev/sda of=sda.dat bs=512 skip=$((312581808-2*32*1024)) dd if=/dev/sdb of=sdb.dat bs=512 skip=$((312581808-2*32*1024)) </tt> HP offers a driver (with source code) for Proliant SmartArray for RHEL/CentOS and other distros, <a class="moz-txt-link-freetext" href="http://h18023.www1.hp.com/support/files/server/us/download/25356.html">http://h18023.www1.hp.com/support/files/server/us/download/25356.html</a>, but i'm not sure whether it's for my device (had a look at include/linux/pci_ids.h and did not match). Do you think we will be able to set it up using Fedora and dmraid, any advice? I might also try to update firmware. Thanks. Heinz Mauelshagen escribió: <blockquote cite="mid20070201091840.GA29643@redhat.com" type="cite"> <pre wrap="">On Fri, Jan 26, 2007 at 10:28:43AM +0100, SuD wrote: </pre> <blockquote type="cite"> <pre wrap="">Hi, i'm using a HP ML310 (with removable disks) server with some ICH7. I configured raid1 from bios. It has 2 HD of 160MB each. Fedora core 6 installation will hang from the start unless i add "nodmraid" to boot. This is the output of commands: * lspci | grep ATA: 00:1f.2 Raid bus controller: Intel 82801GR/GH (ICH7 Family) Serial ATA Storage Controller RAID (rev 01) Device is 8086:27c3 * dmraid -r: /dev/sda: ddf1, ".ddf_disks", GROUP, ok, 312237856 sectors, data@ 0 /dev/sdb: ddf1, ".ddf_disks", GROUP, ok, 312237856 sectors, data@ 0 (shouldn't be "isw"?) </pre> </blockquote> <pre wrap=""> This is DDF1 metadata. Can you send me the last 32MB of each drive dd'ed off into file sda.dat and sdb.dat for analysis, please ? tar/bzip2 them into ddf1-HP_ML310-ICH7.tar.bz2 before sending. Thanks, Heinz </pre> <blockquote type="cite"> <pre wrap="">* dmraid -ay Segmentation fault Thanks</pre> </blockquote> </blockquote> </body> </html>