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linux:raid [2009/02/04 20:05] a + how to know which drive to remove |
linux:raid [2009/07/06 01:30] (current) 193.164.137.52 |
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* [[http:// | * [[http:// | ||
* [[: | * [[: | ||
+ | |||
+ | |||
===== Debian Woody + kernel 2.4 ===== | ===== Debian Woody + kernel 2.4 ===== | ||
- | Good article (based on the one that has already been available on TNT) on this topic is on URL: [[http:// | + | Good article (based on the one that has already been available on old [[http:// |
===== Debian Sarge ===== | ===== Debian Sarge ===== | ||
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+ | ===== RAID5 ===== | ||
+ | **Creating a new one** | ||
+ | mdadm --create --verbose /dev/md0 --level=5 --raid-devices=3 /dev/sda1 /dev/sdb1 /dev/sdc1 | ||
+ | **Adding spare to RAID5** | ||
+ | mdadm --add /dev/md0 /dev/sdh1 | ||
- | ===== sw RAID recover ===== | + | **Fixing / |
+ | echo " | ||
+ | mdadm --detail --scan >> / | ||
+ | |||
+ | |||
+ | ===== SW RAID recover ===== | ||
**Copying the partition table from working HDD to new one** | **Copying the partition table from working HDD to new one** | ||
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echo check > / | echo check > / | ||
+ | |||
+ | ===== active (auto-read-only) ===== | ||
+ | |||
+ | md0 : active (auto-read-only) raid1 sda1[0] sdb1[1] | ||
+ | | ||
+ | |||
+ | to fix: | ||
+ | |||
+ | # mdadm --readwrite /dev/md0 | ||
===== Force the Linux kernel to re-read a partitiontable ===== | ===== Force the Linux kernel to re-read a partitiontable ===== |