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When creating/activating clustered mirrors, we should have cmirrord available and running. If it's not, we ended up with rather cryptic errors like: $ lvcreate -l1 -m1 --type mirror vg Error locking on node 1: device-mapper: reload ioctl on failed: Invalid argument Failed to activate new LV. $ vgchange -ay vg Error locking on node node 1: device-mapper: reload ioctl on failed: Invalid argument This patch adds check for cmirror availability and it errors out properly, also giving a more precise error messge so users are able to identify the source of the problem easily: $ lvcreate -l1 -m1 --type mirror vg Shared cluster mirrors are not available. $ vgchange -ay vg Error locking on node 1: Shared cluster mirrors are not available. Exclusively activated cluster mirror LVs are OK even without cmirrord: $ vgchange -aey vg 1 logical volume(s) in volume group "vg" now active |
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| .. | ||
| activate | ||
| cache | ||
| cache_segtype | ||
| commands | ||
| config | ||
| datastruct | ||
| device | ||
| display | ||
| error | ||
| filters | ||
| format1 | ||
| format_pool | ||
| format_text | ||
| freeseg | ||
| label | ||
| locking | ||
| log | ||
| metadata | ||
| mirror | ||
| misc | ||
| mm | ||
| properties | ||
| raid | ||
| replicator | ||
| report | ||
| snapshot | ||
| striped | ||
| thin | ||
| unknown | ||
| uuid | ||
| zero | ||
| Makefile.in | ||