On Wed, 3 Nov 2010 11:17:24 -0400 "Graham Mitchell" <gmitch@xxxxxxxxxxx> wrote: > > > > That's totally stupid <snip> > > > > -- > > With respect, > > Roman > > Err.... Yeah, sorry about that -- and to make my reply a bit less useless, I should elaborate that my suggestion is to not base anything on the sdX or their order at all. For example even though I want to have a specific list of looked-at devices in mdadm.conf, I point it directly to specific drives -- not to /dev/sdX, but to udev symlinks in /dev/disk/by-id/ instead: # 2TBs DEVICE /dev/disk/by-id/ata-WDC_WD20EADS-00S2B0_WD-xxxxxxxxxxxx-part* DEVICE /dev/disk/by-id/ata-WDC_WD20EADS-00S2B0_WD-xxxxxxxxxxxx-part* DEVICE /dev/disk/by-id/ata-Hitachi_HDS722020ALA330_xxxxxxxxxxxxxx-part* # 1.5 TBs DEVICE /dev/disk/by-id/ata-WDC_WD15EADS-00S2B0_WD-xxxxxxxxxxxx-part* # 1TBs DEVICE /dev/disk/by-id/ata-Hitachi_HDT721010SLA360_xxxxxxxxxxxxxx-part* DEVICE /dev/disk/by-id/ata-ST31000333AS_xxxxxxxx-part* Listed like this it will also make mdadm not consider whole block devices for addition into RAIDs, only the partitions (which is exactly what I want). -- With respect, Roman
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