Date: Mon, 23 Jun 1997 20:02:34 +0200 (CEST) From: Nabil Zary <nabil@atlas.mip.ki.se> To: freebsd-questions@FreeBSD.ORG Subject: FAQ? for BAD SUPER BLOCK/fsck/disklabel Message-ID: <l03102801afd46a49f1ae@[130.237.112.37]>
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Hi, I have a Pentium (2 SCSI disks) with newly installed FreeBSD (2.2.1): Something happened to the boot device /dec/sd0 making it "unbootable". # fsck /dev/sd0 ** /dev/rsd0 BAD SUPER BLOCK: MAGIC NUMBER WRONG /dev/rsd0: NOT LABELED AS A BSD FILE SYSTEM (unused) I used /stand/sysinstall to label it and when I tried to mount it (> not clean, run fsck "manually"). Tried also: fsck -n -b 32 /dev/sd0s1a Alternate super block location: 32 ** /dev/rsd0s1a (NO WRITE) ** Last Mounted on ** Phase 1 - Check Blocks and Sizes ** Phase 2 - Check Pathnames ** Phase 3 - Check Connectivity ** Phase 4 - Check Reference Counts ** Phase 5 - Check Cyl groups 1 files, 1 used, 31774 free (14 frags, 3970 blocks, 0.0% fragmentation) But whean I try to mount any partition > incorrect super block I just want to retrieve information from the /usr partition and reinstall everything so even "hash" ways are most welcomed! Best regards, Nabil Zary Stockholm, Sweden
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