GNU GRUB - Bugs: bug #2394, Problem with HPT370 Raid controller
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bug #2394: Problem with HPT370 Raid controller
Submitter: | None | ||
Submitted: | Sat 25 Jan 2003 05:46:08 PM UTC | ||
Category: | Booting | Severity: | Major |
Priority: | 5 - Normal | Item Group: | Feature Request |
Status: | Fixed | Privacy: | Public |
Assigned to: | None | Originator Name: | |
Originator Email: | -email is unavailable- | Open/Closed: | Closed |
Release: | Bazaar - trunk | Release: | |
Reproducibility: | Every Time | Planned Release: | None |
Jump to the original submission
Sun 17 Oct 2010 12:00:26 AM UTC, comment #10: |
Vladimir Serbinenko <phcoder> |
Sat 06 Jun 2009 05:40:21 PM UTC, comment #9: dmraid -r -vvv and dmraid -s -vvv fail to identify any raid disks.
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Paul "TBBle" Hampson <tbble> |
Sat 06 Jun 2009 02:40:06 PM UTC, comment #8: Well actually just use `dmraid -rD' if -vvv show something that it detects the metadata
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Felix Zielcke <fzielcke> |
Sat 06 Jun 2009 01:30:21 PM UTC, comment #7: Does `dmraid -r -vvv' or `dmraid -s -vvv' show anything useful for you? I.e. something like:
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Felix Zielcke <fzielcke> |
Sat 06 Jun 2009 12:21:24 PM UTC, comment #6: Just a quick followup, there's no indication in this bug report that the problem has been fixed, and the current workaround I'm using (installing to the /boot partition instead of in the MBR using grub-setup "(hd0,1)") now complains that this is a bad idea.
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Paul "TBBle" Hampson <tbble> |
Sat 09 Feb 2008 02:33:41 PM UTC, comment #5: http://www.mail-archive.com/bug-grub@gnu.org/msg09759.html confirms sector 9, BTW. http://www.wensley.org.uk/raid suggests the entirety of sector 9 except the first 32 bytes is used.
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Paul "TBBle" Hampson <tbble> |
Sat 09 Feb 2008 01:48:26 PM UTC, comment #4: For detecting the controller, I'd have to say that PCI blacklisting is probably the most accurate. The problem is that from what I'm reading on google (the machine is my primary file server and router so I can't confirm this myself just now) the case of no soft-raid setup produces an all-zeroes change to four bytes in sector 10, so on a blank hard disk, you can't spot the signature.
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Paul "TBBle" Hampson <tbble> |
Sat 02 Feb 2008 08:40:01 PM UTC, comment #3: Do you have any idea on how to check for the presence of that controller?
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Robert Millan <robertmh> |
Sat 02 Feb 2008 08:27:21 AM UTC, comment #2: According to my own bug report (twelve months ago, mind you) at http://bugs.debian.org/394868, this also affects grub2.
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Paul "TBBle" Hampson <tbble> |
Sat 15 Dec 2007 12:17:19 PM UTC, comment #1: We've moved to GRUB 2 as a development platform. Please can you check if this bug still applies there, and if it does, reopen it?
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Robert Millan <robertmh> |
Sat 25 Jan 2003 05:46:08 PM UTC, original submission:
HPT 370/372 controllers apparently overwrite a sector with internal configuration data of the controller, even without raid setup. The sector is around 9-10 after MBR, so it overwrites stage1_5.
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Anonymous |
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Follow 5 latest changes.
Date | Changed by | Updated Field | Previous Value | => | Replaced by |
---|---|---|---|---|---|
2010-10-17 | phcoder | Status | None | Fixed | |
Open/Closed | Open | Closed | |||
Release | None | Bazaar - trunk | |||
2008-02-02 | robertmh | Open/Closed | Closed | Open | |
2007-12-15 | robertmh | Open/Closed | Open | Closed |
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Corresponding source code
Now GRUB2 writes embedding zone using Reed-Solomon, so anything beyond first six sectors (the size of loader and RS decoder along with some helper functions) + some functions later in the code (but all of them before sector 9) can be overwritten without making GRUB unbootable.