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On Fri, 2010-02-19 at 14:44 +0000, Stroller wrote: |
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> On 19 Feb 2010, at 12:15, Iain Buchanan wrote: |
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> > ... |
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> > Can I randomly mount partitions read-only or will this screw things up |
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> > further? |
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> |
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> If this is unsafe I will have ketchup & mustard on my baseball cap. |
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|
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er... could you translate that? How about "dead horse on my baggy |
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green"? |
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|
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Should I be able to mount them automatically and let the SW RAID module |
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sort it out or do I have to know how they're tied together beforehand? |
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|
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The message from the kernel is: |
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|
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Linux version 2.4.19-snap (root@BuildSys) (gcc version egcs-2.91.66 |
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19990314/Linux (egcs-1.1.2 release)) #1 Tue Jul 13 20:24:35 PDT 2004 |
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|
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and later there's output from "md" which is (I assume) the linux |
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software raid module (this is a grep, so there are other messages in |
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between): |
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|
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md: linear personality registered as nr 1 |
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md: raid0 personality registered as nr 2 |
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md: raid1 personality registered as nr 3 |
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md: raid5 personality registered as nr 4 |
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md: spare personality registered as nr 8 |
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md: md driver 0.91.0 MAX_MD_DEVS=256, MD_SB_DISKS=27 |
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md: Autodetecting RAID arrays. |
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md: autorun ... |
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md: ... autorun DONE. |
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md: bind<hdg2,1> |
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md: bind<hde2,2> |
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md: bind<hda2,3> |
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md: hda2's event counter: 0000039d |
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md: hde2's event counter: 0000039d |
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md: hdg2's event counter: 0000039d |
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md: md100: raid array is not clean -- starting background reconstruction |
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md: RAID level 1 does not need chunksize! Continuing anyway. |
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md100: max total readahead window set to 124k |
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md100: 1 data-disks, max readahead per data-disk: 124k |
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raid1: md100, not all disks are operational -- trying to recover array |
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raid1: raid set md100 active with 3 out of 4 mirrors |
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md: updating md100 RAID superblock on device |
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md: hda2 [events: 0000039e]<6>(write) hda2's sb offset: 546112 |
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md: recovery thread got woken up ... |
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md: looking for a shared spare drive |
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md100: no spare disk to reconstruct array! -- continuing in degraded |
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mode |
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md: recovery thread finished ... |
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md: hde2 [events: 0000039e]<6>(write) hde2's sb offset: 546112 |
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md: hdg2 [events: 0000039e]<6>(write) hdg2's sb offset: 546112 |
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md: bind<hdg5,1> |
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md: bind<hde5,2> |
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md: bind<hda5,3> |
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md: hda5's event counter: 000003a4 |
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md: hde5's event counter: 000003a4 |
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md: hdg5's event counter: 000003a4 |
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md: md101: raid array is not clean -- starting background reconstruction |
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md: RAID level 1 does not need chunksize! Continuing anyway. |
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md101: max total readahead window set to 124k |
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md101: 1 data-disks, max readahead per data-disk: 124k |
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raid1: md101, not all disks are operational -- trying to recover array |
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raid1: raid set md101 active with 3 out of 4 mirrors |
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md: updating md101 RAID superblock on device |
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md: hda5 [events: 000003a5]<6>(write) hda5's sb offset: 273024 |
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md: recovery thread got woken up ... |
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md: looking for a shared spare drive |
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md101: no spare disk to reconstruct array! -- continuing in degraded |
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mode |
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md: looking for a shared spare drive |
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md100: no spare disk to reconstruct array! -- continuing in degraded |
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mode |
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md: recovery thread finished ... |
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md: hde5 [events: 000003a5]<6>(write) hde5's sb offset: 273024 |
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md: hdg5 [events: 000003a5]<6>(write) hdg5's sb offset: 273024 |
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XFS mounting filesystem md(9,100) |
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Ending clean XFS mount for filesystem: md(9,100) |
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|
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The partitions look like: |
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9 100 546112 md100 |
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9 101 273024 md101 |
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34 0 78150744 hdg |
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34 1 16041 hdg1 |
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34 2 546210 hdg2 |
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34 3 1 hdg3 |
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34 4 76656636 hdg4 |
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34 5 273104 hdg5 |
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34 6 273104 hdg6 |
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33 0 78150744 hde |
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33 1 16041 hde1 |
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33 2 546210 hde2 |
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33 3 1 hde3 |
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33 4 76656636 hde4 |
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33 5 273104 hde5 |
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33 6 273104 hde6 |
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22 0 78150744 hdc |
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22 1 16041 hdc1 |
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22 2 546210 hdc2 |
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22 3 1 hdc3 |
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22 4 76656636 hdc4 |
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22 5 273104 hdc5 |
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22 6 273104 hdc6 |
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3 0 78150744 hda |
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3 1 16041 hda1 |
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3 2 546210 hda2 |
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3 3 1 hda3 |
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3 4 76656636 hda4 |
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3 5 273104 hda5 |
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3 6 273104 hda6 |
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|
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many thanks! |
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-- |
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Iain Buchanan <iaindb at netspace dot net dot au> |
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|
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By golly, I'm beginning to think Linux really *is* the best thing since |
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sliced bread. |
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-- Vance Petree, Virginia Power |