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A. Khattri wrote: |
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> raid1: raid set md2 active with 2 out of 2 mirrors |
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> md: considering sdb3 ... |
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> md: adding sdb3 ... |
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> md: sdb1 has different UUID to sdb3 |
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> md: adding sda3 ... |
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> md: sda1 has different UUID to sdb3 |
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> md: created md1 |
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> |
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> |
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> Does it really matter if the UUIDs are the same or not? |
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|
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Yes it does. Two devices with the same UUID build up one virtual md device. |
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|
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What your seeing here is the noisy md module looking for matching devices. It compares every |
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partition of type fd (linux autodetect) to any other with the same type. |
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|
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On a system with lots of md devices, this looks like this: |
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|
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md: Autodetecting RAID arrays. |
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md: autorun ... |
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md: considering hdc11 ... |
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md: adding hdc11 ... |
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md: hdc10 has different UUID to hdc11 |
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md: hdc9 has different UUID to hdc11 |
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md: hdc8 has different UUID to hdc11 |
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md: hdc7 has different UUID to hdc11 |
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md: hdc6 has different UUID to hdc11 |
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md: hdc5 has different UUID to hdc11 |
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md: hdc3 has different UUID to hdc11 |
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md: hdc1 has different UUID to hdc11 |
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md: adding hda11 ... |
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md: hda10 has different UUID to hdc11 |
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md: hda9 has different UUID to hdc11 |
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md: hda8 has different UUID to hdc11 |
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md: hda7 has different UUID to hdc11 |
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md: hda6 has different UUID to hdc11 |
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md: hda5 has different UUID to hdc11 |
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md: hda3 has different UUID to hdc11 |
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md: hda1 has different UUID to hdc11 |
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md: created md8 |
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md: bind<hda11> |
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md: bind<hdc11> |
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md: running: <hdc11><hda11> |
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raid1: raid set md8 active with 2 out of 2 mirrors |
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md: considering hdc10 ... |
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md: adding hdc10 ... |
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md: hdc9 has different UUID to hdc10 |
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md: hdc8 has different UUID to hdc10 |
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md: hdc7 has different UUID to hdc10 |
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md: hdc6 has different UUID to hdc10 |
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md: hdc5 has different UUID to hdc10 |
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md: hdc3 has different UUID to hdc10 |
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md: hdc1 has different UUID to hdc10 |
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md: adding hda10 ... |
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md: hda9 has different UUID to hdc10 |
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md: hda8 has different UUID to hdc10 |
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md: hda7 has different UUID to hdc10 |
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md: hda6 has different UUID to hdc10 |
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md: hda5 has different UUID to hdc10 |
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md: hda3 has different UUID to hdc10 |
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md: hda1 has different UUID to hdc10 |
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md: created md7 |
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md: bind<hda10> |
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md: bind<hdc10> |
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md: running: <hdc10><hda10> |
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raid1: raid set md7 active with 2 out of 2 mirrors |
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md: considering hdc9 ... |
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md: adding hdc9 ... |
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md: hdc8 has different UUID to hdc9 |
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md: hdc7 has different UUID to hdc9 |
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md: hdc6 has different UUID to hdc9 |
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md: hdc5 has different UUID to hdc9 |
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md: hdc3 has different UUID to hdc9 |
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md: hdc1 has different UUID to hdc9 |
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md: adding hda9 ... |
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md: hda8 has different UUID to hdc9 |
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md: hda7 has different UUID to hdc9 |
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md: hda6 has different UUID to hdc9 |
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md: hda5 has different UUID to hdc9 |
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md: hda3 has different UUID to hdc9 |
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md: hda1 has different UUID to hdc9 |
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md: created md6 |
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md: bind<hda9> |
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md: bind<hdc9> |
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md: running: <hdc9><hda9> |
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raid1: raid set md6 active with 2 out of 2 mirrors |
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md: considering hdc8 ... |
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md: adding hdc8 ... |
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md: hdc7 has different UUID to hdc8 |
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md: hdc6 has different UUID to hdc8 |
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md: hdc5 has different UUID to hdc8 |
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md: hdc3 has different UUID to hdc8 |
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md: hdc1 has different UUID to hdc8 |
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md: adding hda8 ... |
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md: hda7 has different UUID to hdc8 |
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md: hda6 has different UUID to hdc8 |
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md: hda5 has different UUID to hdc8 |
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md: hda3 has different UUID to hdc8 |
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md: hda1 has different UUID to hdc8 |
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md: created md5 |
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md: bind<hda8> |
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md: bind<hdc8> |
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md: running: <hdc8><hda8> |
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raid1: raid set md5 active with 2 out of 2 mirrors |
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md: considering hdc7 ... |
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md: adding hdc7 ... |
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md: hdc6 has different UUID to hdc7 |
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md: hdc5 has different UUID to hdc7 |
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md: hdc3 has different UUID to hdc7 |
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md: hdc1 has different UUID to hdc7 |
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md: adding hda7 ... |
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md: hda6 has different UUID to hdc7 |
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md: hda5 has different UUID to hdc7 |
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md: hda3 has different UUID to hdc7 |
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md: hda1 has different UUID to hdc7 |
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md: created md4 |
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md: bind<hda7> |
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md: bind<hdc7> |
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md: running: <hdc7><hda7> |
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raid1: raid set md4 active with 2 out of 2 mirrors |
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md: considering hdc6 ... |
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md: adding hdc6 ... |
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md: hdc5 has different UUID to hdc6 |
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md: hdc3 has different UUID to hdc6 |
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md: hdc1 has different UUID to hdc6 |
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md: adding hda6 ... |
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md: hda5 has different UUID to hdc6 |
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md: hda3 has different UUID to hdc6 |
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md: hda1 has different UUID to hdc6 |
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md: created md3 |
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md: bind<hda6> |
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md: bind<hdc6> |
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md: running: <hdc6><hda6> |
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raid1: raid set md3 active with 2 out of 2 mirrors |
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md: considering hdc5 ... |
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md: adding hdc5 ... |
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md: hdc3 has different UUID to hdc5 |
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md: hdc1 has different UUID to hdc5 |
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md: adding hda5 ... |
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md: hda3 has different UUID to hdc5 |
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md: hda1 has different UUID to hdc5 |
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md: created md2 |
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md: bind<hda5> |
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md: bind<hdc5> |
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md: running: <hdc5><hda5> |
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raid1: raid set md2 active with 2 out of 2 mirrors |
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md: considering hdc3 ... |
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md: adding hdc3 ... |
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md: hdc1 has different UUID to hdc3 |
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md: adding hda3 ... |
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md: hda1 has different UUID to hdc3 |
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md: created md1 |
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md: bind<hda3> |
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md: bind<hdc3> |
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md: running: <hdc3><hda3> |
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raid1: raid set md1 active with 2 out of 2 mirrors |
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md: considering hdc1 ... |
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md: adding hdc1 ... |
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md: adding hda1 ... |
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md: created md0 |
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md: bind<hda1> |
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md: bind<hdc1> |
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md: running: <hdc1><hda1> |
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raid1: raid set md0 active with 2 out of 2 mirrors |
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md: ... autorun DONE. |
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|
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Christoph |
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-- |
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echo mailto: NOSPAM !#$.'<*>'|sed 's. ..'|tr "<*> !#:2" org@fr33z3 |
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-- |
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